1 /*
2 * Unit tests for "stb.h"
3 */
4
5 #define _CRT_SECURE_NO_WARNINGS
6 //#include <windows.h>
7 #include <stdio.h>
8 #include <string.h>
9 #include <time.h>
10 #include <assert.h>
11 #include <stdlib.h>
12
13 #ifdef _WIN32
14 #include <crtdbg.h>
15 #endif
16
17 //#define STB_FASTMALLOC
18 #ifdef _DEBUG
19 #define STB_MALLOC_WRAPPER_DEBUG
20 #endif
21 #ifndef _M_AMD64
22 #define STB_NPTR
23 #endif
24 #define STB_DEFINE
25 #include "stb.h"
26
27 //#include "stb_file.h"
28 //#include "stb_pixel32.h"
29
30 //#define DEBUG_BLOCK
31 #ifdef DEBUG_BLOCK
32 #include <conio.h>
33 #endif
34
35 #ifdef STB_FASTMALLOC
36 #error "can't use FASTMALLOC with threads"
37 #endif
38
39 int count;
c(int truth,char * error)40 void c(int truth, char *error)
41 {
42 if (!truth) {
43 fprintf(stderr, "Test failed: %s\n", error);
44 ++count;
45 }
46 }
47
48
49 #if 0
50 void show(void)
51 {
52 #ifdef _WIN32
53 SYSTEM_INFO x;
54 GetSystemInfo(&x);
55 printf("%d\n", x.dwPageSize);
56 #endif
57 }
58 #endif
59
test_classes(void)60 void test_classes(void)
61 {
62 unsigned char size_base[32], size_shift[32];
63 int class_to_pages[256];
64 int class_to_size[256], cl;
65 int lg, size, wasted_pages;
66 int kAlignShift = 3;
67 int kAlignment = 1 << kAlignShift;
68 int kMaxSize = 8 * 4096;
69 int kPageShift = 12;
70 int kPageSize = (1 << kPageShift);
71 int next_class = 1;
72 int alignshift = kAlignShift;
73 int last_lg = -1;
74
75 for (lg = 0; lg < kAlignShift; lg++) {
76 size_base[lg] = 1;
77 size_shift[lg] = kAlignShift;
78 }
79
80 for (size = kAlignment; size <= kMaxSize; size += (1 << alignshift)) {
81 int lg = stb_log2_floor(size);
82 if (lg > last_lg) {
83 // Increase alignment every so often.
84 //
85 // Since we double the alignment every time size doubles and
86 // size >= 128, this means that space wasted due to alignment is
87 // at most 16/128 i.e., 12.5%. Plus we cap the alignment at 256
88 // bytes, so the space wasted as a percentage starts falling for
89 // sizes > 2K.
90 if ((lg >= 7) && (alignshift < 8)) {
91 alignshift++;
92 }
93 size_base[lg] = next_class - ((size-1) >> alignshift);
94 size_shift[lg] = alignshift;
95 }
96
97 class_to_size[next_class] = size;
98 last_lg = lg;
99
100 next_class++;
101 }
102
103 // Initialize the number of pages we should allocate to split into
104 // small objects for a given class.
105 wasted_pages = 0;
106 for (cl = 1; cl < next_class; cl++) {
107 // Allocate enough pages so leftover is less than 1/8 of total.
108 // This bounds wasted space to at most 12.5%.
109 size_t psize = kPageSize;
110 const size_t s = class_to_size[cl];
111 while ((psize % s) > (psize >> 3)) {
112 psize += kPageSize;
113 }
114 class_to_pages[cl] = (int) (psize >> kPageShift);
115 wasted_pages += (int) psize;
116 }
117
118 printf("TCMalloc can waste as much as %d memory on one-shot allocations\n", wasted_pages);
119
120
121 return;
122 }
123
124 #ifdef STB_STUA
test_script(void)125 void test_script(void)
126 {
127 stua_run_script(
128 "var g = (2+3)*5 + 3*(2+1) + ((7)); \n"
129 "func sprint(x) _print(x) _print(' ') x end;\n"
130 "func foo(y) var q = func(x) sprint(x) end; q end;\n "
131 "var z=foo(5); z(77);\n"
132 "func counter(z) func(x) z=z+1 end end\n"
133 "var q=counter(0), p=counter(5);\n"
134 "sprint(q()) sprint(p()) sprint(q()) sprint(p()) sprint(q()) sprint(p())\n"
135 "var x=2222;\n"
136 "if 1 == 2 then 3333 else 4444 end; => x; sprint(x);\n"
137 "var x1 = sprint(1.5e3); \n"
138 "var x2 = sprint(.5); \n"
139 "var x3 = sprint(1.); \n"
140 "var x4 = sprint(1.e3); \n"
141 "var x5 = sprint(1e3); \n"
142 "var x6 = sprint(0.5e3); \n"
143 "var x7 = sprint(.5e3); \n"
144 " func sum(x,y) x+y end \n"
145 " func sumfunc(a) sum+{x=a} end \n"
146 " var q = sumfunc(3) \n"
147 " var p = sumfunc(20) \n"
148 " var d = sprint(q(5)) - sprint(q(8)) \n"
149 " var e = sprint(p(5)) - sprint(p(8)) \n"
150 " func test3(x) \n"
151 " sprint(x) \n"
152 " x = x+3 \n"
153 " sprint(x) \n"
154 " x+5 \n"
155 " end \n"
156 " var y = test3(4); \n"
157 " func fib(x) \n"
158 " if x < 3 then \n"
159 " 1 \n"
160 " else \n"
161 " fib(x-1) + fib(x-2); \n"
162 " end \n"
163 " end \n"
164 " \n"
165 " func fib2(x) \n"
166 " var a=1 \n"
167 " var b=1 \n"
168 " sprint(a) \n"
169 " sprint(b) \n"
170 " while x > 2 do \n"
171 " var c=a+b \n"
172 " a=b \n"
173 " b=c \n"
174 " sprint(b) \n"
175 " x=x-1 \n"
176 " end \n"
177 " b \n"
178 " end \n"
179 " \n"
180 " func assign(z) \n"
181 " var y = { 'this', 'is', 'a', 'lame', 'day', 'to', 'die'} \n"
182 " y[3] = z \n"
183 " var i = 0 \n"
184 " while y[i] != nil do \n"
185 " sprint(y[i]) \n"
186 " i = i+1 \n"
187 " end \n"
188 " end \n"
189 " \n"
190 " sprint(fib(12)); \n"
191 " assign(\"good\"); \n"
192 " fib2(20); \n"
193 " sprint('ok'); \n"
194 " sprint(-5); \n"
195 " // final comment with no newline"
196 );
197 }
198 #endif
199
200 #ifdef STB_THREADS
201 extern void __stdcall Sleep(unsigned long);
202
thread_1(void * x)203 void * thread_1(void *x)
204 {
205 Sleep(80);
206 printf("thread 1\n"); fflush(stdout);
207 return (void *) 2;
208 }
209
thread_2(void * y)210 void * thread_2(void *y)
211 {
212 stb_work(thread_1, NULL, y);
213 Sleep(50);
214 printf("thread 2\n"); fflush(stdout);
215 return (void *) 3;
216 }
217
218 stb_semaphore stest;
219 stb_mutex mutex;
220 volatile int tc1, tc2;
221
thread_3(void * p)222 void *thread_3(void *p)
223 {
224 stb_mutex_begin(mutex);
225 ++tc1;
226 stb_mutex_end(mutex);
227 stb_sem_waitfor(stest);
228 stb_mutex_begin(mutex);
229 ++tc2;
230 stb_mutex_end(mutex);
231 return NULL;
232 }
233
test_threads(void)234 void test_threads(void)
235 {
236 volatile int a=0,b=0;
237 //stb_work_numthreads(2);
238 stb_work(thread_2, (void *) &a, (void *) &b);
239 while (a==0 || b==0) {
240 Sleep(10);
241 //printf("a=%d b=%d\n", a, b);
242 }
243 c(a==2 && b == 3, "stb_thread");
244 stb_work_numthreads(4);
245 stest = stb_sem_new(8);
246 mutex = stb_mutex_new();
247 stb_work(thread_3, NULL, NULL);
248 stb_work(thread_3, NULL, NULL);
249 stb_work(thread_3, NULL, NULL);
250 stb_work(thread_3, NULL, NULL);
251 stb_work(thread_3, NULL, NULL);
252 stb_work(thread_3, NULL, NULL);
253 stb_work(thread_3, NULL, NULL);
254 stb_work(thread_3, NULL, NULL);
255 while (tc1 < 4)
256 Sleep(10);
257 c(tc1 == 4, "stb_work 1");
258 stb_sem_release(stest);
259 stb_sem_release(stest);
260 stb_sem_release(stest);
261 stb_sem_release(stest);
262 stb_sem_release(stest);
263 stb_sem_release(stest);
264 stb_sem_release(stest);
265 stb_sem_release(stest);
266 Sleep(40);
267 while (tc1 != 8 || tc2 != 8)
268 Sleep(10);
269 c(tc1 == 8 && tc2 == 8, "stb_work 2");
270 stb_work_numthreads(2);
271 stb_work(thread_3, NULL, NULL);
272 stb_work(thread_3, NULL, NULL);
273 stb_work(thread_3, NULL, NULL);
274 stb_work(thread_3, NULL, NULL);
275 while (tc1 < 10)
276 Sleep(10);
277 c(tc1 == 10, "stb_work 1");
278 stb_sem_release(stest);
279 stb_sem_release(stest);
280 stb_sem_release(stest);
281 stb_sem_release(stest);
282
283 Sleep(100);
284 stb_sem_delete(stest);
285 stb_mutex_delete(mutex);
286 }
287 #else
test_threads(void)288 void test_threads(void)
289 {
290 }
291 #endif
292
thread4(void * p)293 void *thread4(void *p)
294 {
295 return NULL;
296 }
297
298 #ifdef STB_THREADS
299 stb_threadqueue *tq;
300 stb_sync synch;
301 stb_mutex msum;
302
303 volatile int thread_sum;
304
consume1(void * p)305 void *consume1(void *p)
306 {
307 volatile int *q = (volatile int *) p;
308 for(;;) {
309 int z;
310 stb_threadq_get_block(tq, &z);
311 stb_mutex_begin(msum);
312 thread_sum += z;
313 *q += z;
314 stb_mutex_end(msum);
315 stb_sync_reach(synch);
316 }
317 }
318
test_threads2(void)319 void test_threads2(void)
320 {
321 int array[256],i,n=0;
322 volatile int which[4];
323 synch = stb_sync_new();
324 stb_sync_set_target(synch,2);
325 stb_work_reach(thread4, NULL, NULL, synch);
326 stb_sync_reach_and_wait(synch);
327 printf("ok\n");
328
329 tq = stb_threadq_new(4, 1, TRUE,TRUE);
330 msum = stb_mutex_new();
331 thread_sum = 0;
332 stb_sync_set_target(synch, 65);
333 for (i=0; i < 4; ++i) {
334 which[i] = 0;
335 stb_create_thread(consume1, (int *) &which[i]);
336 }
337 for (i=1; i <= 64; ++i) {
338 array[i] = i;
339 n += i;
340 stb_threadq_add_block(tq, &array[i]);
341 }
342 stb_sync_reach_and_wait(synch);
343 stb_barrier();
344 c(thread_sum == n, "stb_threadq 1");
345 c(which[0] + which[1] + which[2] + which[3] == n, "stb_threadq 2");
346 printf("(Distribution: %d %d %d %d)\n", which[0], which[1], which[2], which[3]);
347
348 stb_sync_delete(synch);
349 stb_threadq_delete(tq);
350 stb_mutex_delete(msum);
351 }
352 #else
test_threads2(void)353 void test_threads2(void)
354 {
355 }
356 #endif
357
358 char tc[] = "testing compression test quick test voila woohoo what the hell";
359
360 unsigned char storage1[1 << 23];
test_compression(unsigned char * buffer,int length)361 int test_compression(unsigned char *buffer, int length)
362 {
363 unsigned char *storage2;
364 int c_len = stb_compress(storage1, buffer, length);
365 int dc_len;
366 printf("Compressed %d to %d\n", length, c_len);
367 dc_len = stb_decompress_length(storage1);
368 storage2 = malloc(dc_len);
369 dc_len = stb_decompress(storage2, storage1, c_len);
370 if (dc_len != length) { free(storage2); return -1; }
371 if (memcmp(buffer, storage2, length) != 0) { free(storage2); return -1; }
372 free(storage2);
373 return c_len;
374 }
375
376 #if 0
377 int test_en_compression(char *buffer, int length)
378 {
379 int c_len = stb_en_compress(storage1, buffer, length);
380 int dc_len;
381 printf("Encompressed %d to %d\n", length, c_len);
382 dc_len = stb_en_decompress(storage2, storage1, c_len);
383 if (dc_len != length) return -1;
384 if (memcmp(buffer, storage2, length) != 0) return -1;
385 return c_len;
386 }
387 #endif
388
389 #define STR_x "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
390 #define STR_y "yyyyyyyyyyyyyyyyyy"
391
392 #define STR_xy STR_x STR_y
393 #define STR_xyyxy STR_xy STR_y STR_xy
394
395 #define STR_1 "testing"
396 #define STR_2 STR_xyyxy STR_xy STR_xyyxy STR_xyyxy STR_xy STR_xyyxy
397 #define STR_3 "buh"
398
399 char buffer[] = STR_1 "\r\n" STR_2 STR_2 STR_2 "\n" STR_3;
400 char str1[] = STR_1;
401 char str2[] = STR_2 STR_2 STR_2;
402 char str3[] = STR_3;
403
sum(short * s)404 int sum(short *s)
405 {
406 int i,total=0;
407 for (i=0; i < stb_arr_len(s); ++i)
408 total += s[i];
409 return total;
410 }
411
stb_adler32_old(stb_uint adler32,stb_uchar * buffer,stb_uint buflen)412 stb_uint stb_adler32_old(stb_uint adler32, stb_uchar *buffer, stb_uint buflen)
413 {
414 const stb_uint ADLER_MOD = 65521;
415 stb_uint s1 = adler32 & 0xffff;
416 stb_uint s2 = adler32 >> 16;
417
418 while (buflen-- > 0) { // NOTE: much faster implementations are possible!
419 s1 += *buffer++; if (s1 > ADLER_MOD) s1 -= ADLER_MOD;
420 s2 += s1 ; if (s2 > ADLER_MOD) s2 -= ADLER_MOD;
421 }
422 return (s2 << 16) + s1;
423 }
424
425 int sample_test[3][5] =
426 {
427 { 1,2,3,4,5 },
428 { 6,7,8,9,10, },
429 { 11,12,13,14,15 },
430 };
431
432 typedef struct { unsigned short x,y,z; } struct1;
433 typedef struct { double a; int x,y,z; } struct2;
434
435 char *args_raw[] = { "foo", "-dxrf", "bar", "-ts" };
436 char *args[8];
437
438 void do_compressor(int,char**);
439 void test_sha1(void);
440
441 int alloc_num, alloc_size;
dumpfunc(void * ptr,int sz,char * file,int line)442 void dumpfunc(void *ptr, int sz, char *file, int line)
443 {
444 printf("%p (%6d) -- %3d:%s\n", ptr, sz, line, file);
445 alloc_size += sz;
446 alloc_num += 1;
447 }
448
expects(stb_matcher * m,char * s,int result,int len,char * str)449 char *expects(stb_matcher *m, char *s, int result, int len, char *str)
450 {
451 int res2,len2=0;
452 res2 = stb_lex(m, s, &len2);
453 c(result == res2 && len == len2, str);
454 return s + len;
455 }
456
test_lex(void)457 void test_lex(void)
458 {
459 stb_matcher *m = stb_lex_matcher();
460 // tok_en5 .3 20.1 20. .20 .1
461 char *s = "tok_en5.3 20.1 20. .20.1";
462
463 stb_lex_item(m, "[a-zA-Z_][a-zA-Z0-9_]*", 1 );
464 stb_lex_item(m, "[0-9]*\\.?[0-9]*" , 2 );
465 stb_lex_item(m, "[\r\n\t ]+" , 3 );
466 stb_lex_item(m, "." , -99 );
467 s=expects(m,s,1,7, "stb_lex 1");
468 s=expects(m,s,2,2, "stb_lex 2");
469 s=expects(m,s,3,1, "stb_lex 3");
470 s=expects(m,s,2,4, "stb_lex 4");
471 s=expects(m,s,3,1, "stb_lex 5");
472 s=expects(m,s,2,3, "stb_lex 6");
473 s=expects(m,s,3,1, "stb_lex 7");
474 s=expects(m,s,2,3, "stb_lex 8");
475 s=expects(m,s,2,2, "stb_lex 9");
476 s=expects(m,s,0,0, "stb_lex 10");
477 stb_matcher_free(m);
478 }
479
480 typedef struct Btest
481 {
482 struct Btest stb_bst_fields(btest_);
483 int v;
484 } Btest;
485
486 stb_bst(Btest, btest_, BT2,bt2,v, int, a - b)
487
bst_test(void)488 void bst_test(void)
489 {
490 Btest *root = NULL, *t;
491 int items[500], sorted[500];
492 int i,j,z;
493 for (z=0; z < 10; ++z) {
494 for (i=0; i < 500; ++i)
495 items[i] = stb_rand() & 0xfffffff;
496
497 // check for collisions, and retrry if so
498 memcpy(sorted, items, sizeof(sorted));
499 qsort(sorted, 500, sizeof(sorted[0]), stb_intcmp(0));
500 for (i=1; i < 500; ++i)
501 if (sorted[i-1] == sorted[i])
502 break;
503 if (i != 500) { --z; break; }
504
505 for (i=0; i < 500; ++i) {
506 t = malloc(sizeof(*t));
507 t->v = items[i];
508 root = btest_insert(root, t);
509 #ifdef STB_DEBUG
510 btest__validate(root,1);
511 #endif
512 for (j=0; j <= i; ++j)
513 c(btest_find(root, items[j]) != NULL, "stb_bst 1");
514 for ( ; j < 500; ++j)
515 c(btest_find(root, items[j]) == NULL, "stb_bst 2");
516 }
517
518 t = btest_first(root);
519 for (i=0; i < 500; ++i)
520 t = btest_next(root,t);
521 c(t == NULL, "stb_bst 5");
522 t = btest_last(root);
523 for (i=0; i < 500; ++i)
524 t = btest_prev(root,t);
525 c(t == NULL, "stb_bst 6");
526
527 memcpy(sorted, items, sizeof(sorted));
528 qsort(sorted, 500, sizeof(sorted[0]), stb_intcmp(0));
529 t = btest_first(root);
530 for (i=0; i < 500; ++i) {
531 assert(t->v == sorted[i]);
532 t = btest_next(root, t);
533 }
534 assert(t == NULL);
535
536 if (z==1)
537 stb_reverse(items, 500, sizeof(items[0]));
538 else if (z)
539 stb_shuffle(items, 500, sizeof(items[0]), stb_rand());
540
541 for (i=0; i < 500; ++i) {
542 t = btest_find(root, items[i]);
543 assert(t != NULL);
544 root = btest_remove(root, t);
545 c(btest_find(root, items[i]) == NULL, "stb_bst 5");
546 #ifdef STB_DEBUG
547 btest__validate(root, 1);
548 #endif
549 for (j=0; j <= i; ++j)
550 c(btest_find(root, items[j]) == NULL, "stb_bst 3");
551 for ( ; j < 500; ++j)
552 c(btest_find(root, items[j]) != NULL, "stb_bst 4");
553 free(t);
554 }
555 }
556 }
557
558 extern void stu_uninit(void);
559
560 stb_define_sort(sort_int, int, *a < *b)
561
562 stb_rand_define(prime_rand, 1)
563 void test_packed_floats(void);
564 void test_parser_generator(void);
565
rec_print(stb_dirtree2 * d,int depth)566 void rec_print(stb_dirtree2 *d, int depth)
567 {
568 int i;
569 for (i=0; i < depth; ++i) printf(" ");
570 printf("%s (%d)\n", d->relpath, stb_arr_len(d->files));
571 for (i=0; i < stb_arr_len(d->subdirs); ++i)
572 rec_print(d->subdirs[i], depth+1);
573 d->weight = (float) stb_arr_len(d->files);
574 }
575
576 #ifdef MAIN_TEST
main(int argc,char ** argv)577 int main(int argc, char **argv)
578 {
579 char *z;
580 stb__wchar buffer7[1024],buffer9[1024];
581 char buffer8[4096];
582 FILE *f;
583 char *p1 = "foo/bar\\baz/test.xyz";
584 char *p2 = "foo/.bar";
585 char *p3 = "foo.bar";
586 char *p4 = "foo/bar";
587 char *wildcards[] = { "*foo*", "*bar", "baz", "*1*2*3*", "*/CVS/repository", "*oof*" };
588 char **s;
589 char buf[256], *p;
590 int n,len2,*q,i;
591 stb_matcher *mt=NULL;
592
593 if (argc > 1) {
594 do_compressor(argc,argv);
595 return 0;
596 }
597 test_classes();
598 //show();
599
600 //stb_malloc_check_counter(2,2);
601 //_CrtSetBreakAlloc(10398);
602
603 stbprint("Checking {!if} the {$fancy} print function {#works}? - should\n");
604 stbprint(" - align\n");
605 stbprint("But {#3this}} {one}} - shouldn't\n");
606
607 #if 0
608 {
609 int i;
610 char **s = stb_readdir_recursive("/sean", NULL);
611 stb_dirtree *d = stb_dirtree_from_files_relative("", s, stb_arr_len(s));
612 stb_dirtree **e;
613 rec_print(d, 0);
614 e = stb_summarize_tree(d,12,4);
615 for (i=0; i < stb_arr_len(e); ++i) {
616 printf("%s\n", e[i]->fullpath);
617 }
618 stb_arr_free(e);
619
620 stb_fatal("foo");
621 }
622 #endif
623
624 stb_("Started stb.c");
625 test_threads2();
626 test_threads();
627
628 for (i=0; i < 1023 && 5+77*i < 0xd800; ++i)
629 buffer7[i] = 5+77*i;
630 buffer7[i++] = 0xd801;
631 buffer7[i++] = 0xdc02;
632 buffer7[i++] = 0xdbff;
633 buffer7[i++] = 0xdfff;
634 buffer7[i] = 0;
635 p = stb_to_utf8(buffer8, buffer7, sizeof(buffer8));
636 c(p != NULL, "stb_to_utf8");
637 if (p != NULL) {
638 stb_from_utf8(buffer9, buffer8, sizeof(buffer9)/2);
639 c(!memcmp(buffer7, buffer9, i*2), "stb_from_utf8");
640 }
641
642 z = "foo.*[bd]ak?r";
643 c( stb_regex(z, "muggle man food is barfy") == 1, "stb_regex 1");
644 c( stb_regex("foo.*bar", "muggle man food is farfy") == 0, "stb_regex 2");
645 c( stb_regex("[^a-zA-Z]foo[^a-zA-Z]", "dfoobar xfood") == 0, "stb_regex 3");
646 c( stb_regex(z, "muman foob is bakrfy") == 1, "stb_regex 4");
647 z = "foo.*[bd]bk?r";
648 c( stb_regex(z, "muman foob is bakrfy") == 0, "stb_regex 5");
649 c( stb_regex(z, "muman foob is bbkrfy") == 1, "stb_regex 6");
650
651 stb_regex(NULL,NULL);
652
653 #if 0
654 test_parser_generator();
655 stb_wrapper_listall(dumpfunc);
656 if (alloc_num)
657 printf("Memory still in use: %d allocations of %d bytes.\n", alloc_num, alloc_size);
658 #endif
659
660 test_script();
661 p = stb_file("sieve.stua", NULL);
662 if (p) {
663 stua_run_script(p);
664 free(p);
665 }
666 stua_uninit();
667
668 //stb_wrapper_listall(dumpfunc);
669 printf("Memory still in use: %d allocations of %d bytes.\n", alloc_num, alloc_size);
670
671 c(stb_alloc_count_alloc == stb_alloc_count_free, "stb_alloc 0");
672
673 bst_test();
674
675 c(stb_alloc_count_alloc == stb_alloc_count_free, "stb_alloc 0");
676
677 #if 0
678 // stb_block
679 {
680 int inuse=0, freespace=0;
681 int *x = malloc(10000*sizeof(*x));
682 stb_block *b = stb_block_new(1, 10000);
683 #define BLOCK_COUNT 1000
684 int *p = malloc(sizeof(*p) * BLOCK_COUNT);
685 int *l = malloc(sizeof(*l) * BLOCK_COUNT);
686 int i, n, k = 0;
687
688 memset(x, 0, 10000 * sizeof(*x));
689
690 n = 0;
691 while (n < BLOCK_COUNT && k < 1000) {
692 l[n] = 16 + (rand() & 31);
693 p[n] = stb_block_alloc(b, l[n], 0);
694 if (p[n] == 0)
695 break;
696 inuse += l[n];
697
698 freespace = 0;
699 for (i=0; i < b->len; ++i)
700 freespace += b->freelist[i].len;
701 assert(freespace + inuse == 9999);
702
703 for (i=0; i < l[n]; ++i)
704 x[ p[n]+i ] = p[n];
705 ++n;
706
707 if (k > 20) {
708 int sz;
709 i = (stb_rand() % n);
710 sz = l[i];
711 stb_block_free(b, p[i], sz);
712 inuse -= sz;
713 p[i] = p[n-1];
714 l[i] = l[n-1];
715 --n;
716
717 freespace = 0;
718 for (i=0; i < b->len; ++i)
719 freespace += b->freelist[i].len;
720 assert(freespace + inuse == 9999);
721 }
722
723
724 ++k;
725
726 // validate
727 if ((k % 50) == 0) {
728 int j;
729 for (j=0; j < n; ++j) {
730 for (i=0; i < l[j]; ++i)
731 assert(x[ p[j]+i ] == p[j]);
732 }
733 }
734
735 if ((k % 200) == 0) {
736 stb_block_compact_freelist(b);
737 }
738 }
739
740 for (i=0; i < n; ++i)
741 stb_block_free(b, p[i], l[i]);
742
743 stb_block_destroy(b);
744 free(p);
745 free(l);
746 free(x);
747 }
748
749 blockfile_test();
750 #endif
751
752 mt = stb_lex_matcher();
753 for (i=0; i < 5; ++i)
754 stb_lex_item_wild(mt, wildcards[i], i+1);
755
756 c(1==stb_lex(mt, "this is a foo in the middle",NULL), "stb_matcher_match 1");
757 c(0==stb_lex(mt, "this is a bar in the middle",NULL), "stb_matcher_match 2");
758 c(0==stb_lex(mt, "this is a baz in the middle",NULL), "stb_matcher_match 3");
759 c(2==stb_lex(mt, "this is a bar",NULL), "stb_matcher_match 4");
760 c(0==stb_lex(mt, "this is a baz",NULL), "stb_matcher_match 5");
761 c(3==stb_lex(mt, "baz",NULL), "stb_matcher_match 6");
762 c(4==stb_lex(mt, "1_2_3_4",NULL), "stb_matcher_match 7");
763 c(0==stb_lex(mt, "1 3 3 3 3 2 ",NULL), "stb_matcher_match 8");
764 c(4==stb_lex(mt, "1 3 3 3 2 3 ",NULL), "stb_matcher_match 9");
765 c(5==stb_lex(mt, "C:/sean/prj/old/gdmag/mipmap/hqp/adol-c/CVS/Repository",NULL), "stb_matcher_match 10");
766 stb_matcher_free(mt);
767
768 {
769 #define SSIZE 500000
770 static int arr[SSIZE],arr2[SSIZE];
771 int i,good;
772 for (i=0; i < SSIZE; ++i)
773 arr2[i] = stb_rand();
774 memcpy(arr,arr2,sizeof(arr));
775 printf("stb_define_sort:\n");
776 sort_int(arr, SSIZE);
777 good = 1;
778 for (i=0; i+1 < SSIZE; ++i)
779 if (arr[i] > arr[i+1])
780 good = 0;
781 c(good, "stb_define_sort");
782 printf("qsort:\n");
783 qsort(arr2, SSIZE, sizeof(arr2[0]), stb_intcmp(0));
784 printf("done\n");
785 // check for bugs
786 memset(arr, 0, sizeof(arr[0]) * 1000);
787 sort_int(arr, 1000);
788 }
789
790
791 c(stb_alloc_count_alloc == stb_alloc_count_free, "stb_alloc -2");
792
793 c( stb_is_prime( 2), "stb_is_prime 1");
794 c( stb_is_prime( 3), "stb_is_prime 2");
795 c( stb_is_prime( 5), "stb_is_prime 3");
796 c( stb_is_prime( 7), "stb_is_prime 4");
797 c(!stb_is_prime( 9), "stb_is_prime 5");
798 c( stb_is_prime(11), "stb_is_prime 6");
799 c(!stb_is_prime(25), "stb_is_prime 7");
800 c(!stb_is_prime(27), "stb_is_prime 8");
801 c( stb_is_prime(29), "stb_is_prime 9");
802 c( stb_is_prime(31), "stb_is_prime a");
803 c(!stb_is_prime(33), "stb_is_prime b");
804 c(!stb_is_prime(35), "stb_is_prime c");
805 c(!stb_is_prime(36), "stb_is_prime d");
806
807 for (n=7; n < 64; n += 3) {
808 int i;
809 stb_perfect s;
810 unsigned int *p = malloc(n * sizeof(*p));
811 for (i=0; i < n; ++i)
812 p[i] = i*i;
813 c(stb_perfect_create(&s, p, n), "stb_perfect_hash 1");
814 stb_perfect_destroy(&s);
815 for (i=0; i < n; ++i)
816 p[i] = stb_rand();
817 c(stb_perfect_create(&s, p, n), "stb_perfect_hash 2");
818 stb_perfect_destroy(&s);
819 for (i=0; i < n; ++i)
820 p[i] = (0x80000000 >> stb_log2_ceil(n>>1)) * i;
821 c(stb_perfect_create(&s, p, n), "stb_perfect_hash 2");
822 stb_perfect_destroy(&s);
823 for (i=0; i < n; ++i)
824 p[i] = (int) malloc(1024);
825 c(stb_perfect_create(&s, p, n), "stb_perfect_hash 3");
826 stb_perfect_destroy(&s);
827 for (i=0; i < n; ++i)
828 free((void *) p[i]);
829 free(p);
830 }
831 printf("Maximum attempts required to find perfect hash: %d\n",
832 stb_perfect_hash_max_failures);
833
834 p = "abcdefghijklmnopqrstuvwxyz";
835 c(stb_ischar('c', p), "stb_ischar 1");
836 c(stb_ischar('x', p), "stb_ischar 2");
837 c(!stb_ischar('#', p), "stb_ischar 3");
838 c(!stb_ischar('X', p), "stb_ischar 4");
839 p = "0123456789";
840 c(!stb_ischar('c', p), "stb_ischar 5");
841 c(!stb_ischar('x', p), "stb_ischar 6");
842 c(!stb_ischar('#', p), "stb_ischar 7");
843 c(!stb_ischar('X', p), "stb_ischar 8");
844 p = "#####";
845 c(!stb_ischar('c', p), "stb_ischar a");
846 c(!stb_ischar('x', p), "stb_ischar b");
847 c(stb_ischar('#', p), "stb_ischar c");
848 c(!stb_ischar('X', p), "stb_ischar d");
849 p = "xXyY";
850 c(!stb_ischar('c', p), "stb_ischar e");
851 c(stb_ischar('x', p), "stb_ischar f");
852 c(!stb_ischar('#', p), "stb_ischar g");
853 c(stb_ischar('X', p), "stb_ischar h");
854
855 c(stb_alloc_count_alloc == stb_alloc_count_free, "stb_alloc 1");
856
857 q = stb_wordwrapalloc(15, "How now brown cow. Testinglishously. Okey dokey");
858 // How now brown
859 // cow. Testinglis
860 // hously. Okey
861 // dokey
862 c(stb_arr_len(q) == 8, "stb_wordwrap 8");
863 c(q[2] == 14 && q[3] == 15, "stb_wordwrap 9");
864 c(q[4] == 29 && q[5] == 12, "stb_wordwrap 10");
865 stb_arr_free(q);
866
867 q = stb_wordwrapalloc(20, "How now brown cow. Testinglishously. Okey dokey");
868 // How now brown cow.
869 // Testinglishously.
870 // Okey dokey
871 c(stb_arr_len(q) == 6, "stb_wordwrap 1");
872 c(q[0] == 0 && q[1] == 18, "stb_wordwrap 2");
873 c(q[2] == 19 && q[3] == 17, "stb_wordwrap 3");
874 c(q[4] == 37 && q[5] == 10, "stb_wordwrap 4");
875 stb_arr_free(q);
876
877 q = stb_wordwrapalloc(12, "How now brown cow. Testinglishously. Okey dokey");
878 // How now
879 // brown cow.
880 // Testinglisho
881 // usly. Okey
882 // dokey
883 c(stb_arr_len(q) == 10, "stb_wordwrap 5");
884 c(q[4] == 19 && q[5] == 12, "stb_wordwrap 6");
885 c(q[6] == 31 && q[3] == 10, "stb_wordwrap 7");
886 stb_arr_free(q);
887
888 //test_script();
889
890 //test_packed_floats();
891
892 c(stb_alloc_count_alloc == stb_alloc_count_free, "stb_alloc 0");
893 if (stb_alloc_count_alloc != stb_alloc_count_free) {
894 printf("%d allocs, %d frees\n", stb_alloc_count_alloc, stb_alloc_count_free);
895 }
896 test_lex();
897
898 mt = stb_regex_matcher(".*foo.*bar.*");
899 c(stb_matcher_match(mt, "foobarx") == 1, "stb_matcher_match 1");
900 c(stb_matcher_match(mt, "foobar") == 1, "stb_matcher_match 2");
901 c(stb_matcher_match(mt, "foo bar") == 1, "stb_matcher_match 3");
902 c(stb_matcher_match(mt, "fo foo ba ba bar ba") == 1, "stb_matcher_match 4");
903 c(stb_matcher_match(mt, "fo oo oo ba ba bar foo") == 0, "stb_matcher_match 5");
904 stb_free(mt);
905
906 mt = stb_regex_matcher(".*foo.?bar.*");
907 c(stb_matcher_match(mt, "abfoobarx") == 1, "stb_matcher_match 6");
908 c(stb_matcher_match(mt, "abfoobar") == 1, "stb_matcher_match 7");
909 c(stb_matcher_match(mt, "abfoo bar") == 1, "stb_matcher_match 8");
910 c(stb_matcher_match(mt, "abfoo bar") == 0, "stb_matcher_match 9");
911 c(stb_matcher_match(mt, "abfo foo ba ba bar ba") == 0, "stb_matcher_match 10");
912 c(stb_matcher_match(mt, "abfo oo oo ba ba bar foo") == 0, "stb_matcher_match 11");
913 stb_free(mt);
914
915 mt = stb_regex_matcher(".*m((foo|bar)*baz)m.*");
916 c(stb_matcher_match(mt, "abfoobarx") == 0, "stb_matcher_match 12");
917 c(stb_matcher_match(mt, "a mfoofoofoobazm d") == 1, "stb_matcher_match 13");
918 c(stb_matcher_match(mt, "a mfoobarbazfoom d") == 0, "stb_matcher_match 14");
919 c(stb_matcher_match(mt, "a mbarbarfoobarbazm d") == 1, "stb_matcher_match 15");
920 c(stb_matcher_match(mt, "a mfoobarfoo bazm d") == 0, "stb_matcher_match 16");
921 c(stb_matcher_match(mt, "a mm foobarfoobarfoobar ") == 0, "stb_matcher_match 17");
922 stb_free(mt);
923
924 mt = stb_regex_matcher("f*|z");
925 c(stb_matcher_match(mt, "fz") == 0, "stb_matcher_match 0a");
926 c(stb_matcher_match(mt, "ff") == 1, "stb_matcher_match 0b");
927 c(stb_matcher_match(mt, "z") == 1, "stb_matcher_match 0c");
928 stb_free(mt);
929
930 mt = stb_regex_matcher("m(f|z*)n");
931 c(stb_matcher_match(mt, "mfzn") == 0, "stb_matcher_match 0d");
932 c(stb_matcher_match(mt, "mffn") == 0, "stb_matcher_match 0e");
933 c(stb_matcher_match(mt, "mzn") == 1, "stb_matcher_match 0f");
934 c(stb_matcher_match(mt, "mn") == 1, "stb_matcher_match 0g");
935 c(stb_matcher_match(mt, "mzfn") == 0, "stb_matcher_match 0f");
936
937 c(stb_matcher_find(mt, "manmanmannnnnnnmmmmmmmmm ") == 0, "stb_matcher_find 1");
938 c(stb_matcher_find(mt, "manmanmannnnnnnmmmmmmmmm ") == 0, "stb_matcher_find 2");
939 c(stb_matcher_find(mt, "manmanmannnnnnnmmmmmmmmmffzzz ") == 0, "stb_matcher_find 3");
940 c(stb_matcher_find(mt, "manmanmannnnnnnmmmmmmmmmnfzzz ") == 1, "stb_matcher_find 4");
941 c(stb_matcher_find(mt, "mmmfn aanmannnnnnnmmmmmm fzzz ") == 1, "stb_matcher_find 5");
942 c(stb_matcher_find(mt, "mmmzzn anmannnnnnnmmmmmm fzzz ") == 1, "stb_matcher_find 6");
943 c(stb_matcher_find(mt, "mm anmannnnnnnmmmmmm fzmzznzz ") == 1, "stb_matcher_find 7");
944 c(stb_matcher_find(mt, "mm anmannnnnnnmmmmmm fzmzzfnzz ") == 0, "stb_matcher_find 8");
945 c(stb_matcher_find(mt, "manmfnmannnnnnnmmmmmmmmmffzzz ") == 1, "stb_matcher_find 9");
946 stb_free(mt);
947
948 mt = stb_regex_matcher(".*m((foo|bar)*|baz)m.*");
949 c(stb_matcher_match(mt, "abfoobarx") == 0, "stb_matcher_match 18");
950 c(stb_matcher_match(mt, "a mfoofoofoobazm d") == 0, "stb_matcher_match 19");
951 c(stb_matcher_match(mt, "a mfoobarbazfoom d") == 0, "stb_matcher_match 20");
952 c(stb_matcher_match(mt, "a mbazm d") == 1, "stb_matcher_match 21");
953 c(stb_matcher_match(mt, "a mfoobarfoom d") == 1, "stb_matcher_match 22");
954 c(stb_matcher_match(mt, "a mm foobarfoobarfoobar ") == 1, "stb_matcher_match 23");
955 stb_free(mt);
956
957 mt = stb_regex_matcher("[a-fA-F]..[^]a-zA-Z]");
958 c(stb_matcher_match(mt, "Axx1") == 1, "stb_matcher_match 24");
959 c(stb_matcher_match(mt, "Fxx1") == 1, "stb_matcher_match 25");
960 c(stb_matcher_match(mt, "Bxx]") == 0, "stb_matcher_match 26");
961 c(stb_matcher_match(mt, "Cxxz") == 0, "stb_matcher_match 27");
962 c(stb_matcher_match(mt, "gxx[") == 0, "stb_matcher_match 28");
963 c(stb_matcher_match(mt, "-xx0") == 0, "stb_matcher_match 29");
964 stb_free(mt);
965
966 c(stb_wildmatch("foo*bar", "foobarx") == 0, "stb_wildmatch 0a");
967 c(stb_wildmatch("foo*bar", "foobar") == 1, "stb_wildmatch 1a");
968 c(stb_wildmatch("foo*bar", "foo bar") == 1, "stb_wildmatch 2a");
969 c(stb_wildmatch("foo*bar", "fo foo ba ba bar ba") == 0, "stb_wildmatch 3a");
970 c(stb_wildmatch("foo*bar", "fo oo oo ba ba ar foo") == 0, "stb_wildmatch 4a");
971
972 c(stb_wildmatch("*foo*bar*", "foobar") == 1, "stb_wildmatch 1b");
973 c(stb_wildmatch("*foo*bar*", "foo bar") == 1, "stb_wildmatch 2b");
974 c(stb_wildmatch("*foo*bar*", "fo foo ba ba bar ba") == 1, "stb_wildmatch 3b");
975 c(stb_wildmatch("*foo*bar*", "fo oo oo ba ba ar foo") == 0, "stb_wildmatch 4b");
976
977 c(stb_wildmatch("foo*bar*", "foobarx") == 1, "stb_wildmatch 1c");
978 c(stb_wildmatch("foo*bar*", "foobabar") == 1, "stb_wildmatch 2c");
979 c(stb_wildmatch("foo*bar*", "fo foo ba ba bar ba") == 0, "stb_wildmatch 3c");
980 c(stb_wildmatch("foo*bar*", "fo oo oo ba ba ar foo") == 0, "stb_wildmatch 4c");
981
982 c(stb_wildmatch("*foo*bar", "foobar") == 1, "stb_wildmatch 1d");
983 c(stb_wildmatch("*foo*bar", "foo bar") == 1, "stb_wildmatch 2d");
984 c(stb_wildmatch("*foo*bar", "fo foo ba ba bar ba") == 0, "stb_wildmatch 3d");
985 c(stb_wildmatch("*foo*bar", "fo oo oo ba ba ar foo") == 0, "stb_wildmatch 4d");
986
987 c(stb_wildfind("foo*bar", "xyfoobarx") == 2, "stb_wildfind 0a");
988 c(stb_wildfind("foo*bar", "aaafoobar") == 3, "stb_wildfind 1a");
989 c(stb_wildfind("foo*bar", "foo bar") == 0, "stb_wildfind 2a");
990 c(stb_wildfind("foo*bar", "fo foo ba ba bar ba") == 3, "stb_wildfind 3a");
991 c(stb_wildfind("foo*bar", "fo oo oo ba ba ar foo") == -1, "stb_wildfind 4a");
992
993 c(stb_wildmatch("*foo*;*bar*", "foobar") == 1, "stb_wildmatch 1e");
994 c(stb_wildmatch("*foo*;*bar*", "afooa") == 1, "stb_wildmatch 2e");
995 c(stb_wildmatch("*foo*;*bar*", "abara") == 1, "stb_wildmatch 3e");
996 c(stb_wildmatch("*foo*;*bar*", "abaza") == 0, "stb_wildmatch 4e");
997 c(stb_wildmatch("*foo*;*bar*", "foboar") == 0, "stb_wildmatch 5e");
998
999 test_sha1();
1000
1001 n = sizeof(args_raw)/sizeof(args_raw[0]);
1002 memcpy(args, args_raw, sizeof(args_raw));
1003 s = stb_getopt(&n, args);
1004 c(n >= 1 && !strcmp(args[1], "bar" ), "stb_getopt 1");
1005 c(stb_arr_len(s) >= 2 && !strcmp(s[2] , "r" ), "stb_getopt 2");
1006 stb_getopt_free(s);
1007
1008 n = sizeof(args_raw)/sizeof(args_raw[0]);
1009 memcpy(args, args_raw, sizeof(args_raw));
1010 s = stb_getopt_param(&n, args, "f");
1011 c(stb_arr_len(s) >= 3 && !strcmp(s[3] , "fbar"), "stb_getopt 3");
1012 stb_getopt_free(s);
1013
1014 n = sizeof(args_raw)/sizeof(args_raw[0]);
1015 memcpy(args, args_raw, sizeof(args_raw));
1016 s = stb_getopt_param(&n, args, "x");
1017 c(stb_arr_len(s) >= 2 && !strcmp(s[1] , "xrf" ), "stb_getopt 4");
1018 stb_getopt_free(s);
1019
1020 n = sizeof(args_raw)/sizeof(args_raw[0]);
1021 memcpy(args, args_raw, sizeof(args_raw));
1022 s = stb_getopt_param(&n, args, "s");
1023 c(s == NULL && n == 0 , "stb_getopt 5");
1024 stb_getopt_free(s);
1025
1026 #if 0
1027 c(*stb_csample_int(sample_test[0], 1, 5, 5, 3, -1, -1) == 1, "stb_csample_int 1");
1028 c(*stb_csample_int(sample_test[0], 1, 5, 5, 3, 1, -3) == 2, "stb_csample_int 2");
1029 c(*stb_csample_int(sample_test[0], 1, 5, 5, 3, 12, -2) == 5, "stb_csample_int 3");
1030 c(*stb_csample_int(sample_test[0], 1, 5, 5, 3, 15, 1) == 10, "stb_csample_int 4");
1031 c(*stb_csample_int(sample_test[0], 1, 5, 5, 3, 5, 4) == 15, "stb_csample_int 5");
1032 c(*stb_csample_int(sample_test[0], 1, 5, 5, 3, 3, 3) == 14, "stb_csample_int 6");
1033 c(*stb_csample_int(sample_test[0], 1, 5, 5, 3, -2, 5) == 11, "stb_csample_int 7");
1034 c(*stb_csample_int(sample_test[0], 1, 5, 5, 3, -7, 0) == 1, "stb_csample_int 8");
1035 c(*stb_csample_int(sample_test[0], 1, 5, 5, 3, 2, 1) == 8, "stb_csample_int 9");
1036 #endif
1037
1038 c(!strcmp(stb_splitpath(buf, p1, STB_PATH ), "foo/bar\\baz/"), "stb_splitpath 1");
1039 c(!strcmp(stb_splitpath(buf, p1, STB_FILE ), "test"), "stb_splitpath 2");
1040 c(!strcmp(stb_splitpath(buf, p1, STB_EXT ), ".xyz"), "stb_splitpath 3");
1041 c(!strcmp(stb_splitpath(buf, p1, STB_PATH_FILE ), "foo/bar\\baz/test"), "stb_splitpath 4");
1042 c(!strcmp(stb_splitpath(buf, p1, STB_FILE_EXT ), "test.xyz"), "stb_splitpath 5");
1043
1044 c(!strcmp(stb_splitpath(buf, p2, STB_PATH ), "foo/"), "stb_splitpath 6");
1045 c(!strcmp(stb_splitpath(buf, p2, STB_FILE ), ""), "stb_splitpath 7");
1046 c(!strcmp(stb_splitpath(buf, p2, STB_EXT ), ".bar"), "stb_splitpath 8");
1047 c(!strcmp(stb_splitpath(buf, p2, STB_PATH_FILE ), "foo/"), "stb_splitpath 9");
1048 c(!strcmp(stb_splitpath(buf, p2, STB_FILE_EXT ), ".bar"), "stb_splitpath 10");
1049
1050 c(!strcmp(stb_splitpath(buf, p3, STB_PATH ), "./"), "stb_splitpath 11");
1051 c(!strcmp(stb_splitpath(buf, p3, STB_FILE ), "foo"), "stb_splitpath 12");
1052 c(!strcmp(stb_splitpath(buf, p3, STB_EXT ), ".bar"), "stb_splitpath 13");
1053 c(!strcmp(stb_splitpath(buf, p3, STB_PATH_FILE ), "foo"), "stb_splitpath 14");
1054
1055 c(!strcmp(stb_splitpath(buf, p4, STB_PATH ), "foo/"), "stb_splitpath 16");
1056 c(!strcmp(stb_splitpath(buf, p4, STB_FILE ), "bar"), "stb_splitpath 17");
1057 c(!strcmp(stb_splitpath(buf, p4, STB_EXT ), ""), "stb_splitpath 18");
1058 c(!strcmp(stb_splitpath(buf, p4, STB_PATH_FILE ), "foo/bar"), "stb_splitpath 19");
1059 c(!strcmp(stb_splitpath(buf, p4, STB_FILE_EXT ), "bar"), "stb_splitpath 20");
1060
1061 c(!strcmp(p=stb_dupreplace("testfootffooo foo fox", "foo", "brap"), "testbraptfbrapo brap fox"), "stb_dupreplace 1"); free(p);
1062 c(!strcmp(p=stb_dupreplace("testfootffooo foo fox", "foo", "" ), "testtfo fox" ), "stb_dupreplace 2"); free(p);
1063 c(!strcmp(p=stb_dupreplace("abacab", "a", "aba"), "abababacabab" ), "stb_dupreplace 3"); free(p);
1064
1065
1066 #if 0
1067 m = stb_mml_parse("<a><b><c>x</c><d>y</d></b><e><&f></e></a>");
1068 c(m != NULL, "stb_mml_parse 1");
1069 if (m) {
1070 c(!strcmp(m->child[0]->child[0]->child[1]->tag, "d"), "stb_mml_parse 2");
1071 c(!strcmp(m->child[0]->child[1]->leaf_data, "<&f>"), "stb_mml_parse 3");
1072 }
1073 if (m)
1074 stb_mml_free(m);
1075 c(stb_alloc_count_alloc == stb_alloc_count_free, "stb_alloc 1");
1076 if (stb_alloc_count_alloc != stb_alloc_count_free) {
1077 printf("%d allocs, %d frees\n", stb_alloc_count_alloc, stb_alloc_count_free);
1078 }
1079 #endif
1080
1081 c(stb_linear_remap(3.0f,0,8,1,2) == 1.375, "stb_linear_remap()");
1082
1083 c(stb_bitreverse(0x1248fec8) == 0x137f1248, "stb_bitreverse() 1");
1084 c(stb_bitreverse8(0x4e) == 0x72, "stb_bitreverse8() 1");
1085 c(stb_bitreverse8(0x31) == 0x8c, "stb_bitreverse8() 2");
1086 for (n=1; n < 255; ++n) {
1087 unsigned int m = stb_bitreverse8((uint8) n);
1088 c(stb_bitreverse8((uint8) m) == (unsigned int) n, "stb_bitreverse8() 3");
1089 }
1090
1091 for (n=2; n <= 31; ++n) {
1092 c(stb_is_pow2 ((1 << n) ) == 1 , "stb_is_pow2() 1");
1093 c(stb_is_pow2 ((1 << n)+1) == 0 , "stb_is_pow2() 2");
1094 c(stb_is_pow2 ((1 << n)-1) == 0 , "stb_is_pow2() 3");
1095
1096 c(stb_log2_floor((1 << n) ) == n , "stb_log2_floor() 1");
1097 c(stb_log2_floor((1 << n)+1) == n , "stb_log2_floor() 2");
1098 c(stb_log2_floor((1 << n)-1) == n-1, "stb_log2_floor() 3");
1099
1100 c(stb_log2_ceil ((1 << n) ) == n , "stb_log2_ceil() 1");
1101 c(stb_log2_ceil ((1 << n)+1) == n+1, "stb_log2_ceil() 2");
1102 c(stb_log2_ceil ((1 << n)-1) == n , "stb_log2_ceil() 3");
1103
1104 c(stb_bitreverse(1 << n) == 1U << (31-n), "stb_bitreverse() 2");
1105 }
1106
1107 c(stb_log2_floor(0) == -1, "stb_log2_floor() 4");
1108 c(stb_log2_ceil (0) == -1, "stb_log2_ceil () 4");
1109
1110 c(stb_log2_floor(-1) == 31, "stb_log2_floor() 5");
1111 c(stb_log2_ceil (-1) == 32, "stb_log2_ceil () 5");
1112
1113 c(stb_bitcount(0xffffffff) == 32, "stb_bitcount() 1");
1114 c(stb_bitcount(0xaaaaaaaa) == 16, "stb_bitcount() 2");
1115 c(stb_bitcount(0x55555555) == 16, "stb_bitcount() 3");
1116 c(stb_bitcount(0x00000000) == 0, "stb_bitcount() 4");
1117
1118 c(stb_lowbit8(0xf0) == 4, "stb_lowbit8 1");
1119 c(stb_lowbit8(0x10) == 4, "stb_lowbit8 2");
1120 c(stb_lowbit8(0xf3) == 0, "stb_lowbit8 3");
1121 c(stb_lowbit8(0xf8) == 3, "stb_lowbit8 4");
1122 c(stb_lowbit8(0x60) == 5, "stb_lowbit8 5");
1123
1124 for (n=0; n < sizeof(buf); ++n)
1125 buf[n] = 0;
1126
1127 for (n = 0; n < 200000; ++n) {
1128 unsigned int k = stb_rand();
1129 int i,z=0;
1130 for (i=0; i < 32; ++i)
1131 if (k & (1 << i)) ++z;
1132 c(stb_bitcount(k) == z, "stb_bitcount() 5");
1133
1134 buf[k >> 24] = 1;
1135
1136 if (k != 0) {
1137 if (stb_is_pow2(k)) {
1138 c(stb_log2_floor(k) == stb_log2_ceil(k), "stb_is_pow2() 1");
1139 c(k == 1U << stb_log2_floor(k), "stb_is_pow2() 2");
1140 } else {
1141 c(stb_log2_floor(k) == stb_log2_ceil(k)-1, "stb_is_pow2() 3");
1142 }
1143 }
1144
1145 c(stb_bitreverse(stb_bitreverse(n)) == (uint32) n, "stb_bitreverse() 3");
1146 }
1147
1148 // make sure reasonable coverage from stb_rand()
1149 for (n=0; n < sizeof(buf); ++n)
1150 c(buf[n] != 0, "stb_rand()");
1151
1152 for (n=0; n < sizeof(buf); ++n)
1153 buf[n] = 0;
1154
1155 for (n=0; n < 60000; ++n) {
1156 float z = (float) stb_frand();
1157 int n = (int) (z * sizeof(buf));
1158 c(z >= 0 && z < 1, "stb_frand() 1");
1159 c(n >= 0 && n < sizeof(buf), "stb_frand() 2");
1160 buf[n] = 1;
1161 }
1162
1163 // make sure reasonable coverage from stb_frand(),
1164 // e.g. that the range remap isn't incorrect
1165 for (n=0; n < sizeof(buf); ++n)
1166 c(buf[n] != 0, "stb_frand()");
1167
1168
1169 // stb_arr
1170 {
1171 short *s = NULL;
1172
1173 c(sum(s) == 0, "stb_arr 1");
1174
1175 stb_arr_add(s); s[0] = 3;
1176 stb_arr_push(s,7);
1177
1178 c( stb_arr_valid(s,1), "stb_arr 2");
1179 c(!stb_arr_valid(s,2), "stb_arr 3");
1180
1181 // force a realloc
1182 stb_arr_push(s,0);
1183 stb_arr_push(s,0);
1184 stb_arr_push(s,0);
1185 stb_arr_push(s,0);
1186
1187 c(sum(s) == 10, "stb_arr 4");
1188 stb_arr_push(s,0);
1189 s[0] = 1; s[1] = 5; s[2] = 20;
1190 c(sum(s) == 26, "stb_arr 5");
1191 stb_arr_setlen(s,2);
1192 c(sum(s) == 6, "stb_arr 6");
1193 stb_arr_setlen(s,1);
1194 c(sum(s) == 1, "stb_arr 7");
1195 stb_arr_setlen(s,0);
1196 c(sum(s) == 0, "stb_arr 8");
1197
1198 stb_arr_push(s,3);
1199 stb_arr_push(s,4);
1200 stb_arr_push(s,5);
1201 stb_arr_push(s,6);
1202 stb_arr_push(s,7);
1203 stb_arr_deleten(s,1,3);
1204 c(stb_arr_len(s)==2 && sum(s) == 10, "stb_arr_9");
1205
1206 stb_arr_push(s,2);
1207 // 3 7 2
1208 stb_arr_insertn(s,2,2);
1209 // 3 7 x x 2
1210 s[2] = 5;
1211 s[3] = 6;
1212 c(s[0]==3 && s[1] == 7 && s[2] == 5 && s[3] == 6 && s[4] == 2, "stb_arr 10");
1213 stb_arr_free(s);
1214 }
1215
1216 #if 1
1217 f= stb_fopen("data/stb.test", "wb");
1218 fwrite(buffer, 1, sizeof(buffer)-1, f);
1219 stb_fclose(f, stb_keep_yes);
1220 #ifndef WIN32
1221 sleep(1); // andLinux has some synchronization problem here
1222 #endif
1223 #else
1224 f= fopen("data/stb.test", "wb");
1225 fwrite(buffer, 1, sizeof(buffer)-1, f);
1226 fclose(f);
1227 #endif
1228 if (!stb_fexists("data/stb.test")) {
1229 fprintf(stderr, "Error: couldn't open file just written, or stb_fexists() is broken.\n");
1230 }
1231
1232 f = fopen("data/stb.test", "rb");
1233 // f = NULL; // test stb_fatal()
1234 if (!f) { stb_fatal("Error: couldn't open file just written\n"); }
1235 else {
1236 char temp[4];
1237 int len1 = stb_filelen(f), len2;
1238 int n1,n2;
1239 if (fread(temp,1,4,f) == 0) {
1240 int n = ferror(f);
1241 if (n) { stb_fatal("Error reading from stream: %d", n); }
1242 if (feof(f)) stb_fatal("Weird, read 0 bytes and hit eof");
1243 stb_fatal("Read 0, but neither feof nor ferror is true");
1244 }
1245 fclose(f);
1246 p = stb_file("data/stb.test", &len2);
1247 if (p == NULL) stb_fatal("Error: stb_file() failed");
1248 c(len1 == sizeof(buffer)-1, "stb_filelen()");
1249 c(len2 == sizeof(buffer)-1, "stb_file():n");
1250 c(memcmp(p, buffer, sizeof(buffer)-1) == 0, "stb_file()");
1251 c(strcmp(p, buffer)==0, "stb_file() terminated");
1252 free(p);
1253
1254 s = stb_stringfile("data/stb.test", &n1);
1255 c(n1 == 3, "stb_stringfile():n");
1256 n2 = 0;
1257 while (s[n2]) ++n2;
1258 c(n1 == n2, "stb_stringfile():n length matches the non-NULL strings");
1259 if (n2 == 3) {
1260 c(strcmp(s[0],str1)==0, "stb_stringfile()[0]");
1261 c(strcmp(s[1],str2)==0, "stb_stringfile()[1]");
1262 c(strcmp(s[2],str3)==0, "stb_stringfile()[2] (no terminating newlines)");
1263 }
1264 free(s);
1265
1266 f = fopen("data/stb.test", "rb");
1267 stb_fgets(buf, sizeof(buf), f);
1268 //c(strcmp(buf, str1)==0, "stb_fgets()");
1269 p = stb_fgets_malloc(f);
1270 n1 = strlen(p);
1271 n2 = strlen(str2);
1272 c(strcmp(p, str2)==0, "stb_fgets_malloc()");
1273 free(p);
1274 stb_fgets(buf, sizeof(buf), f);
1275 c(strcmp(buf, str3)==0, "stb_fgets()3");
1276 }
1277
1278 c( stb_prefix("foobar", "foo"), "stb_prefix() 1");
1279 c(!stb_prefix("foo", "foobar"), "stb_prefix() 2");
1280 c( stb_prefix("foob", "foob" ), "stb_prefix() 3");
1281
1282 stb_strncpy(buf, "foobar", 6); c(strcmp(buf,"fooba" )==0, "stb_strncpy() 1");
1283 stb_strncpy(buf, "foobar", 8); c(strcmp(buf,"foobar")==0, "stb_strncpy() 2");
1284
1285 c(!strcmp(p=stb_duplower("FooBar"), "foobar"), "stb_duplower()"); free(p);
1286 strcpy(buf, "FooBar");
1287 stb_tolower(buf);
1288 c(!strcmp(buf, "foobar"), "stb_tolower()");
1289
1290 p = stb_strtok(buf, "foo=ba*r", "#=*");
1291 c(!strcmp(buf, "foo" ), "stb_strtok() 1");
1292 c(!strcmp(p , "ba*r"), "stb_strtok() 2");
1293 p = stb_strtok(buf, "foobar", "#=*");
1294 c(*p == 0, "stb_strtok() 3");
1295
1296 c(!strcmp(stb_skipwhite(" \t\n foo"), "foo"), "stb_skipwhite()");
1297
1298 s = stb_tokens("foo == ba*r", "#=*", NULL);
1299 c(!strcmp(s[0], "foo "), "stb_tokens() 1");
1300 c(!strcmp(s[1], " ba"), "stb_tokens() 2");
1301 c(!strcmp(s[2], "r"), "stb_tokens() 3");
1302 c(s[3] == 0, "stb_tokens() 4");
1303 free(s);
1304
1305 s = stb_tokens_allowempty("foo == ba*r", "#=*", NULL);
1306 c(!strcmp(s[0], "foo "), "stb_tokens_allowempty() 1");
1307 c(!strcmp(s[1], "" ), "stb_tokens_allowempty() 2");
1308 c(!strcmp(s[2], " ba"), "stb_tokens_allowempty() 3");
1309 c(!strcmp(s[3], "r"), "stb_tokens_allowempty() 4");
1310 c(s[4] == 0, "stb_tokens_allowempty() 5");
1311 free(s);
1312
1313 s = stb_tokens_stripwhite("foo == ba*r", "#=*", NULL);
1314 c(!strcmp(s[0], "foo"), "stb_tokens_stripwhite() 1");
1315 c(!strcmp(s[1], "" ), "stb_tokens_stripwhite() 2");
1316 c(!strcmp(s[2], "ba"), "stb_tokens_stripwhite() 3");
1317 c(!strcmp(s[3], "r"), "stb_tokens_stripwhite() 4");
1318 c(s[4] == 0, "stb_tokens_stripwhite() 5");
1319 free(s);
1320
1321 s = stb_tokens_quoted("foo =\"=\" ba*\"\"r \" foo\" bah ", "#=*", NULL);
1322 c(!strcmp(s[0], "foo"), "stb_tokens_quoted() 1");
1323 c(!strcmp(s[1], "= ba"), "stb_tokens_quoted() 2");
1324 c(!strcmp(s[2], "\"r foo bah"), "stb_tokens_quoted() 3");
1325 c(s[3] == 0, "stb_tokens_quoted() 4");
1326 free(s);
1327
1328
1329 p = stb_file("stb.h", &len2);
1330 if (p) {
1331 uint32 z = stb_adler32_old(1, p, len2);
1332 uint32 x = stb_adler32 (1, p, len2);
1333 c(z == x, "stb_adler32() 1");
1334 memset(p,0xff,len2);
1335 z = stb_adler32_old((65520<<16) + 65520, p, len2);
1336 x = stb_adler32 ((65520<<16) + 65520, p, len2);
1337 c(z == x, "stb_adler32() 2");
1338 free(p);
1339 }
1340
1341 // stb_hheap
1342 {
1343 #define HHEAP_COUNT 100000
1344 void **p = malloc(sizeof(*p) * HHEAP_COUNT);
1345 int i, j;
1346 #if 0
1347 stb_hheap *h2, *h = stb_newhheap(sizeof(struct1),0);
1348
1349 for (i=0; i < HHEAP_COUNT; ++i)
1350 p[i] = stb_halloc(h);
1351 stb_shuffle(p, HHEAP_COUNT, sizeof(*p), stb_rand());
1352 for (i=0; i < HHEAP_COUNT; ++i)
1353 stb_hfree(p[i]);
1354
1355 c(h->num_alloc == 0, "stb_hheap 1");
1356 stb_delhheap(h);
1357
1358 h = stb_newhheap(sizeof(struct1),0);
1359 h2 = stb_newhheap(sizeof(struct2),8);
1360
1361 for (i=0; i < HHEAP_COUNT; ++i) {
1362 if (i & 1)
1363 p[i] = stb_halloc(h);
1364 else {
1365 p[i] = stb_halloc(h2);
1366 c((((int) p[i]) & 4) == 0, "stb_hheap 2");
1367 }
1368 }
1369
1370 stb_shuffle(p, HHEAP_COUNT, sizeof(*p), stb_rand());
1371 for (i=0; i < HHEAP_COUNT; ++i)
1372 stb_hfree(p[i]);
1373
1374 c(h->num_alloc == 0, "stb_hheap 3");
1375 c(h2->num_alloc == 0, "stb_hheap 4");
1376
1377 stb_delhheap(h);
1378 stb_delhheap(h2);
1379 #else
1380 for (i=0; i < HHEAP_COUNT; ++i)
1381 p[i] = malloc(32);
1382 stb_shuffle(p, HHEAP_COUNT, sizeof(*p), stb_rand());
1383 for (i=0; i < HHEAP_COUNT; ++i)
1384 free(p[i]);
1385 #endif
1386
1387 // now use the same array of pointers to do pointer set operations
1388 for (j=100; j < HHEAP_COUNT; j += 25000) {
1389 stb_ps *ps = NULL;
1390 for (i=0; i < j; ++i)
1391 ps = stb_ps_add(ps, p[i]);
1392
1393 for (i=0; i < HHEAP_COUNT; ++i)
1394 c(stb_ps_find(ps, p[i]) == (i < j), "stb_ps 1");
1395 c(stb_ps_count(ps) == j, "stb_ps 1b");
1396
1397 for (i=j; i < HHEAP_COUNT; ++i)
1398 ps = stb_ps_add(ps, p[i]);
1399
1400 for (i=0; i < j; ++i)
1401 ps = stb_ps_remove(ps, p[i]);
1402
1403 for (i=0; i < HHEAP_COUNT; ++i)
1404 c(stb_ps_find(ps, p[i]) == !(i < j), "stb_ps 2");
1405
1406 stb_ps_delete(ps);
1407 }
1408
1409 #define HHEAP_COUNT2 100
1410 // now use the same array of pointers to do pointer set operations
1411 for (j=1; j < 40; ++j) {
1412 stb_ps *ps = NULL;
1413 for (i=0; i < j; ++i)
1414 ps = stb_ps_add(ps, p[i]);
1415
1416 for (i=0; i < HHEAP_COUNT2; ++i)
1417 c(stb_ps_find(ps, p[i]) == (i < j), "stb_ps 3");
1418 c(stb_ps_count(ps) == j, "stb_ps 3b");
1419
1420 for (i=j; i < HHEAP_COUNT2; ++i)
1421 ps = stb_ps_add(ps, p[i]);
1422
1423 for (i=0; i < j; ++i)
1424 ps = stb_ps_remove(ps, p[i]);
1425
1426 for (i=0; i < HHEAP_COUNT2; ++i)
1427 c(stb_ps_find(ps, p[i]) == !(i < j), "stb_ps 4");
1428
1429 stb_ps_delete(ps);
1430 }
1431
1432 free(p);
1433 }
1434
1435
1436 n = test_compression(tc, sizeof(tc));
1437 c(n >= 0, "stb_compress()/stb_decompress() 1");
1438
1439 p = stb_file("stb.h", &len2);
1440 if (p) {
1441 FILE *f = fopen("data/stb_h.z", "wb");
1442 if (stb_compress_stream_start(f)) {
1443 int i;
1444 void *q;
1445 int len3;
1446
1447 for (i=0; i < len2; ) {
1448 int n = stb_rand() % 10;
1449 if (n <= 6) n = 1 + stb_rand()%16;
1450 else if (n <= 8) n = 20 + stb_rand() % 1000;
1451 else n = 15000;
1452 if (i + n > len2) n = len2 - i;
1453 stb_write(p + i, n);
1454 i += n;
1455 }
1456 stb_compress_stream_end(1);
1457
1458 q = stb_decompress_fromfile("data/stb_h.z", &len3);
1459 c(len3 == len2, "stb_compress_stream 2");
1460 if (len2 == len3)
1461 c(!memcmp(p,q,len2), "stb_compress_stream 3");
1462 if (q) free(q);
1463 } else {
1464 c(0, "stb_compress_stream 1");
1465 }
1466
1467 free(p);
1468 stb_compress_window(65536*4);
1469 }
1470
1471 p = stb_file("stb.h", &len2);
1472 if (p) {
1473 n = test_compression(p, len2);
1474 c(n >= 0, "stb_compress()/stb_decompress() 2");
1475 #if 0
1476 n = test_en_compression(p, len2);
1477 c(n >= 0, "stb_en_compress()/stb_en_decompress() 2");
1478 #endif
1479 free(p);
1480 } else {
1481 fprintf(stderr, "No stb.h to compression test.\n");
1482 }
1483
1484 p = stb_file("data/test.bmp", &len2);
1485 if (p) {
1486 n = test_compression(p, len2);
1487 c(n == 106141, "stb_compress()/stb_decompress() 4");
1488 #if 0
1489 n = test_en_compression(p, len2);
1490 c(n >= 0, "stb_en_compress()/stb_en_decompress() 4");
1491 #endif
1492 free(p);
1493 }
1494
1495 // the hardcoded compressed lengths being verified _could_
1496 // change if you changed the compressor parameters; but pure
1497 // performance optimizations shouldn't change them
1498 p = stb_file("data/cantrbry.zip", &len2);
1499 if (p) {
1500 n = test_compression(p, len2);
1501 c(n == 642787, "stb_compress()/stb_decompress() 3");
1502 #if 0
1503 n = test_en_compression(p, len2);
1504 c(n >= 0, "stb_en_compress()/stb_en_decompress() 3");
1505 #endif
1506 free(p);
1507 }
1508
1509 p = stb_file("data/bible.txt", &len2);
1510 if (p) {
1511 n = test_compression(p, len2);
1512 c(n == 2022520, "stb_compress()/stb_decompress() 4");
1513 #if 0
1514 n = test_en_compression(p, len2);
1515 c(n >= 0, "stb_en_compress()/stb_en_decompress() 4");
1516 #endif
1517 free(p);
1518 }
1519
1520 {
1521 int len = 1 << 25, o=0; // 32MB
1522 char *buffer = malloc(len);
1523 int i;
1524 for (i=0; i < 8192; ++i)
1525 buffer[o++] = (char) stb_rand();
1526 for (i=0; i < (1 << 15); ++i)
1527 buffer[o++] = 1;
1528 for (i=0; i < 64; ++i)
1529 buffer[o++] = buffer[i];
1530 for (i=0; i < (1 << 21); ++i)
1531 buffer[o++] = 2;
1532 for (i=0; i < 64; ++i)
1533 buffer[o++] = buffer[i];
1534 for (i=0; i < (1 << 21); ++i)
1535 buffer[o++] = 3;
1536 for (i=0; i < 8192; ++i)
1537 buffer[o++] = buffer[i];
1538 for (i=0; i < (1 << 21); ++i)
1539 buffer[o++] = 4;
1540 assert(o < len);
1541 stb_compress_window(1 << 24);
1542 i = test_compression(buffer, len);
1543 c(n >= 0, "stb_compress() 6");
1544 free(buffer);
1545 }
1546
1547 #ifdef STB_THREADS
1548 stb_thread_cleanup();
1549 #endif
1550 stb_ischar(0,NULL);
1551 stb_wrapper_listall(dumpfunc);
1552 printf("Memory still in use: %d allocations of %d bytes.\n", alloc_num, alloc_size);
1553
1554 // force some memory checking
1555 for (n=1; n < 20; ++n)
1556 malloc(1 << n);
1557
1558 printf("Finished stb.c with %d errors.\n", count);
1559
1560 #ifdef _MSC_VER
1561 if (count)
1562 __asm int 3;
1563 #endif
1564
1565 return 0;
1566 }
1567
1568 #endif
1569
1570
1571
1572
1573
1574 // NIST test vectors
1575
1576 struct
1577 {
1578 int length;
1579 char *message;
1580 char *digest;
1581 } sha1_tests[] =
1582 {
1583 { 24,
1584 "616263",
1585 "a9993e364706816aba3e25717850c26c9cd0d89d",
1586 },{
1587 1304,
1588 "ec29561244ede706b6eb30a1c371d74450a105c3f9735f7fa9fe38cf67f304a5736a106e"
1589 "92e17139a6813b1c81a4f3d3fb9546ab4296fa9f722826c066869edacd73b25480351858"
1590 "13e22634a9da44000d95a281ff9f264ecce0a931222162d021cca28db5f3c2aa24945ab1"
1591 "e31cb413ae29810fd794cad5dfaf29ec43cb38d198fe4ae1da2359780221405bd6712a53"
1592 "05da4b1b737fce7cd21c0eb7728d08235a9011",
1593 "970111c4e77bcc88cc20459c02b69b4aa8f58217",
1594 },{
1595 2096,
1596 "5fc2c3f6a7e79dc94be526e5166a238899d54927ce470018fbfd668fd9dd97cbf64e2c91"
1597 "584d01da63be3cc9fdff8adfefc3ac728e1e335b9cdc87f069172e323d094b47fa1e652a"
1598 "fe4d6aa147a9f46fda33cacb65f3aa12234746b9007a8c85fe982afed7815221e43dba55"
1599 "3d8fe8a022cdac1b99eeeea359e5a9d2e72e382dffa6d19f359f4f27dc3434cd27daeeda"
1600 "8e38594873398678065fbb23665aba9309d946135da0e4a4afdadff14db18e85e71dd93c"
1601 "3bf9faf7f25c8194c4269b1ee3d9934097ab990025d9c3aaf63d5109f52335dd3959d38a"
1602 "e485050e4bbb6235574fc0102be8f7a306d6e8de6ba6becf80f37415b57f9898a5824e77"
1603 "414197422be3d36a6080",
1604 "0423dc76a8791107d14e13f5265b343f24cc0f19",
1605 },{
1606 2888,
1607 "0f865f46a8f3aed2da18482aa09a8f390dc9da07d51d1bd10fe0bf5f3928d5927d08733d"
1608 "32075535a6d1c8ac1b2dc6ba0f2f633dc1af68e3f0fa3d85e6c60cb7b56c239dc1519a00"
1609 "7ea536a07b518ecca02a6c31b46b76f021620ef3fc6976804018380e5ab9c558ebfc5cb1"
1610 "c9ed2d974722bf8ab6398f1f2b82fa5083f85c16a5767a3a07271d67743f00850ce8ec42"
1611 "8c7f22f1cf01f99895c0c844845b06a06cecb0c6cf83eb55a1d4ebc44c2c13f6f7aa5e0e"
1612 "08abfd84e7864279057abc471ee4a45dbbb5774afa24e51791a0eada11093b88681fe30b"
1613 "aa3b2e94113dc63342c51ca5d1a6096d0897b626e42cb91761058008f746f35465465540"
1614 "ad8c6b8b60f7e1461b3ce9e6529625984cb8c7d46f07f735be067588a0117f23e34ff578"
1615 "00e2bbe9a1605fde6087fb15d22c5d3ac47566b8c448b0cee40373e5ba6eaa21abee7136"
1616 "6afbb27dbbd300477d70c371e7b8963812f5ed4fb784fb2f3bd1d3afe883cdd47ef32bea"
1617 "ea",
1618 "6692a71d73e00f27df976bc56df4970650d90e45",
1619 },{
1620 3680,
1621 "4893f1c763625f2c6ce53aacf28026f14b3cd8687e1a1d3b60a81e80fcd1e2b038f9145a"
1622 "b64a0718f948f7c3c9ac92e3d86fb669a5257da1a18c776291653688338210a3242120f1"
1623 "01788e8acc9110db9258b1554bf3d26602516ea93606a25a7f566c0c758fb39ecd9d876b"
1624 "c5d8abc1c3205095382c2474cb1f8bbdb45c2c0e659cb0fc703ec607a5de6bcc7a28687d"
1625 "b1ee1c8f34797bb2441d5706d210df8c2d7d65dbded36414d063c117b52a51f7a4eb9cac"
1626 "0782e008b47459ed5acac0bc1f20121087f992ad985511b33c866d18e63f585478ee5a5e"
1627 "654b19d81231d98683ae3f0533565aba43dce408d7e3c4c6be11d8f05165f29c9dcb2030"
1628 "c4ee31d3a04e7421aa92c3231a1fc07e50e95fea7389a5e65891afaba51cf55e36a9d089"
1629 "bf293accb356d5d06547307d6e41456d4ed146a056179971c56521c83109bf922866186e"
1630 "184a99a96c7bb96df8937e35970e438412a2b8d744cf2ad87cb605d4232e976f9f151697"
1631 "76e4e5b6b786132c966b25fc56d815c56c819af5e159aa39f8a93d38115f5580cda93bc0"
1632 "73c30b39920e726fe861b72483a3f886269ab7a8eefe952f35d25c4eb7f443f4f3f26e43"
1633 "d51fb54591e6a6dad25fcdf5142033084e5624bdd51435e77dea86b8",
1634 "dc5859dd5163c4354d5d577b855fa98e37f04384",
1635 },{
1636 4472,
1637 "cf494c18a4e17bf03910631471bca5ba7edea8b9a63381e3463517961749848eb03abefd"
1638 "4ce676dece3740860255f57c261a558aa9c7f11432f549a9e4ce31d8e17c79450ce2ccfc"
1639 "148ad904aedfb138219d7052088520495355dadd90f72e6f69f9c6176d3d45f113f275b7"
1640 "fbc2a295784d41384cd7d629b23d1459a22e45fd5097ec9bf65fa965d3555ec77367903c"
1641 "32141065fc24da5c56963d46a2da3c279e4035fb2fb1c0025d9dda5b9e3443d457d92401"
1642 "a0d3f58b48469ecb1862dc975cdbe75ca099526db8b0329b03928206f084c633c04eef5e"
1643 "8e377f118d30edf592504be9d2802651ec78aeb02aea167a03fc3e23e5fc907c324f283f"
1644 "89ab37e84687a9c74ccf055402db95c29ba2c8d79b2bd4fa96459f8e3b78e07e923b8119"
1645 "8267492196ecb71e01c331f8df245ec5bdf8d0e05c91e63bb299f0f6324895304dda721d"
1646 "39410458f117c87b7dd6a0ee734b79fcbe482b2c9e9aa0cef03a39d4b0c86de3bc34b4aa"
1647 "dabfa373fd2258f7c40c187744d237080762382f547a36adb117839ca72f8ebbc5a20a07"
1648 "e86f4c8bb923f5787698d278f6db0040e76e54645bb0f97083995b34b9aa445fc4244550"
1649 "58795828dd00c32471ec402a307f5aa1b37b1a86d6dae3bcbfbe9ba41cab0beeabf489af"
1650 "0073d4b3837d3f14b815120bc3602d072b5aeefcdec655fe756b660eba7dcf34675acbce"
1651 "317746270599424b9248791a0780449c1eabbb9459cc1e588bfd74df9b1b711c85c09d8a"
1652 "a171b309281947e8f4b6ac438753158f4f36fa",
1653 "4c17926feb6e87f5bca7890d8a5cde744f231dab",
1654 },{
1655 5264,
1656 "8236153781bd2f1b81ffe0def1beb46f5a70191142926651503f1b3bb1016acdb9e7f7ac"
1657 "ced8dd168226f118ff664a01a8800116fd023587bfba52a2558393476f5fc69ce9c65001"
1658 "f23e70476d2cc81c97ea19caeb194e224339bcb23f77a83feac5096f9b3090c51a6ee6d2"
1659 "04b735aa71d7e996d380b80822e4dfd43683af9c7442498cacbea64842dfda238cb09992"
1660 "7c6efae07fdf7b23a4e4456e0152b24853fe0d5de4179974b2b9d4a1cdbefcbc01d8d311"
1661 "b5dda059136176ea698ab82acf20dd490be47130b1235cb48f8a6710473cfc923e222d94"
1662 "b582f9ae36d4ca2a32d141b8e8cc36638845fbc499bce17698c3fecae2572dbbd4705524"
1663 "30d7ef30c238c2124478f1f780483839b4fb73d63a9460206824a5b6b65315b21e3c2f24"
1664 "c97ee7c0e78faad3df549c7ca8ef241876d9aafe9a309f6da352bec2caaa92ee8dca3928"
1665 "99ba67dfed90aef33d41fc2494b765cb3e2422c8e595dabbfaca217757453fb322a13203"
1666 "f425f6073a9903e2dc5818ee1da737afc345f0057744e3a56e1681c949eb12273a3bfc20"
1667 "699e423b96e44bd1ff62e50a848a890809bfe1611c6787d3d741103308f849a790f9c015"
1668 "098286dbacfc34c1718b2c2b77e32194a75dda37954a320fa68764027852855a7e5b5274"
1669 "eb1e2cbcd27161d98b59ad245822015f48af82a45c0ed59be94f9af03d9736048570d6e3"
1670 "ef63b1770bc98dfb77de84b1bb1708d872b625d9ab9b06c18e5dbbf34399391f0f8aa26e"
1671 "c0dac7ff4cb8ec97b52bcb942fa6db2385dcd1b3b9d567aaeb425d567b0ebe267235651a"
1672 "1ed9bf78fd93d3c1dd077fe340bb04b00529c58f45124b717c168d07e9826e33376988bc"
1673 "5cf62845c2009980a4dfa69fbc7e5a0b1bb20a5958ca967aec68eb31dd8fccca9afcd30a"
1674 "26bab26279f1bf6724ff",
1675 "11863b483809ef88413ca9b0084ac4a5390640af",
1676 },{
1677 6056,
1678 "31ec3c3636618c7141441294fde7e72366a407fa7ec6a64a41a7c8dfda150ca417fac868"
1679 "1b3c5be253e3bff3ab7a5e2c01b72790d95ee09b5362be835b4d33bd20e307c3c702aa15"
1680 "60cdc97d190a1f98b1c78e9230446e31d60d25155167f73e33ed20cea27b2010514b57ba"
1681 "b05ed16f601e6388ea41f714b0f0241d2429022e37623c11156f66dd0fa59131d8401dba"
1682 "f502cffb6f1d234dcb53e4243b5cf9951688821586a524848123a06afa76ab8058bcfa72"
1683 "27a09ce30d7e8cb100c8877bb7a81b615ee6010b8e0daced7cc922c971940b757a9107de"
1684 "60b8454dda3452e902092e7e06faa57c20aadc43c8012b9d28d12a8cd0ba0f47ab4b377f"
1685 "316902e6dff5e4f2e4a9b9de1e4359f344e66d0565bd814091e15a25d67d89cf6e30407b"
1686 "36b2654762bbe53a6f204b855a3f9108109e351825cf9080c89764c5f74fb4afef89d804"
1687 "e7f7d097fd89d98171d63eaf11bd719df44c5a606be0efea358e058af2c265b2da2623fd"
1688 "afc62b70f0711d0150625b55672060cea6a253c590b7db1427a536d8a51085756d1e6ada"
1689 "41d9d506b5d51bcae41249d16123b7df7190e056777a70feaf7d9f051fdbbe45cbd60fc6"
1690 "295dda84d4ebbd7284ad44be3ee3ba57c8883ead603519b8ad434e3bf630734a9243c00a"
1691 "a07366b8f88621ec6176111f0418c66b20ff9a93009f43432aaea899dad0f4e3ae72e9ab"
1692 "a3f678f140118eb7117230c357a5caa0fe36c4e6cf1957bbe7499f9a68b0f1536e476e53"
1693 "457ed826d9dea53a6ded52e69052faaa4d3927b9a3f9e8b435f424b941bf2d9cd6849874"
1694 "42a44d5acaa0da6d9f390d1a0dd6c19af427f8bb7c082ae405a8dd535dea76aa360b4faa"
1695 "d786093e113424bb75b8cc66c41af637a7b2acdca048a501417919cf9c5cd3b2fa668860"
1696 "d08b6717eea6f125fa1b0bae1dbb52aafce8ae2deaf92aeb5be003fb9c09fedbc286ffb5"
1697 "e16ad8e07e725faa46ebc35500cf205fc03250075ddc050c263814b8d16d141db4ca289f"
1698 "386719b28a09a8e5934722202beb3429899b016dfeb972fee487cdd8d18f8a681042624f"
1699 "51",
1700 "f43937922444421042f76756fbed0338b354516f",
1701 },{
1702 6848,
1703 "21b9a9686ec200456c414f2e6963e2d59e8b57e654eced3d4b57fe565b51c9045c697566"
1704 "44c953178f0a64a6e44d1b46f58763c6a71ce4c373b0821c0b3927a64159c32125ec916b"
1705 "6edd9bf41c3d80725b9675d6a97c8a7e3b662fac9dbcf6379a319a805b5341a8d360fe00"
1706 "5a5c9ac1976094fea43566d66d220aee5901bd1f2d98036b2d27eb36843e94b2e5d1f09c"
1707 "738ec826de6e0034cf8b1dca873104c5c33704cae290177d491d65f307c50a69b5c81936"
1708 "a050e1fe2b4a6f296e73549323b6a885c3b54ee5eca67aa90660719126b590163203909e"
1709 "470608f157f033f017bcf48518bf17d63380dabe2bc9ac7d8efe34aedcae957aeb68f10c"
1710 "8ad02c4465f1f2b029d5fbb8e8538d18be294394b54b0ee6e67a79fce11731604f3ac4f8"
1711 "d6ffa9ef3d2081f3d1c99ca107a7bf3d624324a7978ec38af0bcd0d7ee568572328b212b"
1712 "9dc831efb7880e3f4d6ca7e25f8e80d73913fb8edfffd758ae4df61b4140634a92f49314"
1713 "6138ebdcdaa083ea72d52a601230aa6f77874dcad9479f5bcac3763662cc30cb99823c5f"
1714 "f469dcbd64c028286b0e579580fd3a17b56b099b97bf62d555798f7a250e08b0e4f238c3"
1715 "fcf684198bd48a68c208a6268be2bb416eda3011b523388bce8357b7f26122640420461a"
1716 "bcabcb5004519adfa2d43db718bce7d0c8f1b4645c89315c65df1f0842e5741244bba3b5"
1717 "10801d2a446818635d0e8ffcd80c8a6f97ca9f878793b91780ee18eb6c2b99ffac3c38ef"
1718 "b7c6d3af0478317c2b9c421247eba8209ea677f984e2398c7c243696a12df2164417f602"
1719 "d7a1d33809c865b73397550ff33fe116166ae0ddbccd00e2b6fc538733830ac39c328018"
1720 "bcb87ac52474ad3cce8780d6002e14c6734f814cb551632bcc31965c1cd23d048b9509a4"
1721 "e22ab88f76a6dba209d5dd2febd1413a64d32be8574a22341f2a14e4bd879abb35627ef1"
1722 "35c37be0f80843006a7cc7158d2bb2a71bf536b36de20ca09bb5b674e5c408485106e6fa"
1723 "966e4f2139779b46f6010051615b5b41cda12d206d48e436b9f75d7e1398a656abb0087a"
1724 "a0eb453368fc1ecc71a31846080f804d7b67ad6a7aa48579c3a1435eff7577f4e6004d46"
1725 "aac4130293f6f62ae6d50c0d0c3b9876f0728923a94843785966a27555dd3ce68602e7d9"
1726 "0f7c7c552f9bda4969ec2dc3e30a70620db6300e822a93e633ab9a7a",
1727 "5d4d18b24b877092188a44be4f2e80ab1d41e795",
1728 },{
1729 7640,
1730 "1c87f48f4409c3682e2cf34c63286dd52701b6c14e08669851a6dc8fa15530ad3bef692c"
1731 "7d2bf02238644561069df19bdec3bccae5311fce877afc58c7628d08d32d9bd2dc1df0a6"
1732 "24360e505944219d211f33bff62e9ff2342ac86070240a420ccaf14908e6a93c1b27b6e2"
1733 "0324e522199e83692805cc4c7f3ea66f45a490a50d4dd558aa8e052c45c1a5dfad452674"
1734 "edc7149024c09024913f004ceee90577ff3eaec96a1eebbdc98b440ffeb0cad9c6224efc"
1735 "9267d2c192b53dc012fb53010926e362ef9d4238d00df9399f6cbb9acc389a7418007a6c"
1736 "a926c59359e3608b548bdeece213f4e581d02d273781dffe26905ec161956f6dfe1c008d"
1737 "6da8165d08f8062eea88e80c055b499f6ff8204ffdb303ab132d9b0cba1e5675f3525bbe"
1738 "4cf2c3f2b00506f58336b36aefd865d37827f2fad7d1e59105b52f1596ea19f848037dfe"
1739 "dc9136e824ead5505e2995d4c0769276548835430667f333fc77375125b29c1b1535602c"
1740 "10fe161864f49a98fc274ae7335a736be6bf0a98cd019d120b87881103f86c0a6efadd8c"
1741 "aa405b6855c384141b4f8751cc42dc0cb2913382210baaa84fe242ca66679472d815c08b"
1742 "f3d1a7c6b5705a3de17ad157522de1eb90c568a8a1fbcbb422cca293967bb14bfdd91bc5"
1743 "a9c4d2774dee524057e08f937f3e2bd8a04ced0fc7b16fb78a7b16ee9c6447d99e53d846"
1744 "3726c59066af25c317fc5c01f5dc9125809e63a55f1cd7bdf7f995ca3c2655f4c7ab940f"
1745 "2aa48bc3808961eb48b3a03c731ce627bb67dd0037206c5f2c442fc72704258548c6a9db"
1746 "e16da45e40da009dc8b2600347620eff8361346116b550087cb9e2ba6b1d6753622e8b22"
1747 "85589b90a8e93902aa17530104455699a1829efef153327639b2ae722d5680fec035575c"
1748 "3b48d9ec8c8e9550e15338cc76b203f3ab597c805a8c6482676deabc997a1e4ba857a889"
1749 "97ceba32431443c53d4d662dd5532aa177b373c93bf93122b72ed7a3189e0fa171dfabf0"
1750 "520edf4b9d5caef595c9a3a13830c190cf84bcf9c3596aadb2a674fbc2c951d135cb7525"
1751 "3ee6c59313444f48440a381e4b95f5086403beb19ff640603394931f15d36b1cc9f3924f"
1752 "794c965d4449bfbdd8b543194335bdf70616dc986b49582019ac2bf8e68cfd71ec67e0aa"
1753 "dff63db39e6a0ef207f74ec6108fae6b13f08a1e6ae01b813cb7ee40961f95f5be189c49"
1754 "c43fbf5c594f5968e4e820a1d38f105f2ff7a57e747e4d059ffb1d0788b7c3c772b9bc1f"
1755 "e147c723aca999015230d22c917730b935e902092f83e0a8e6db9a75d2626e0346e67e40"
1756 "8d5b815439dab8ccb8ea23f828fff6916c4047",
1757 "32e0f5d40ceec1fbe45ddd151c76c0b3fef1c938",
1758 },{
1759 8432,
1760 "084f04f8d44b333dca539ad2f45f1d94065fbb1d86d2ccf32f9486fe98f7c64011160ec0"
1761 "cd66c9c7478ed74fde7945b9c2a95cbe14cedea849978cc2d0c8eb0df48d4834030dfac2"
1762 "b043e793b6094a88be76b37f836a4f833467693f1aa331b97a5bbc3dbd694d96ce19d385"
1763 "c439b26bc16fc64919d0a5eab7ad255fbdb01fac6b2872c142a24aac69b9a20c4f2f07c9"
1764 "923c9f0220256b479c11c90903193d4e8f9e70a9dbdf796a49ca5c12a113d00afa844694"
1765 "de942601a93a5c2532031308ad63c0ded048633935f50a7e000e9695c1efc1e59c426080"
1766 "a7d1e69a93982a408f1f6a4769078f82f6e2b238b548e0d4af271adfa15aa02c5d7d7052"
1767 "6e00095ffb7b74cbee4185ab54385f2707e8362e8bd1596937026f6d95e700340b6338ce"
1768 "ba1ee854a621ce1e17a016354016200b1f98846aa46254ab15b7a128b1e840f494b2cdc9"
1769 "daccf14107c1e149a7fc27d33121a5cc31a4d74ea6945816a9b7a83850dc2c11d26d767e"
1770 "ec44c74b83bfd2ef8a17c37626ed80be10262fe63cf9f804b8460c16d62ae63c8dd0d124"
1771 "1d8aaac5f220e750cb68d8631b162d80afd6b9bf929875bf2e2bc8e2b30e05babd8336be"
1772 "31e41842673a66a68f0c5acd4d7572d0a77970f42199a4da26a56df6aad2fe420e0d5e34"
1773 "448eb2ed33afbfb35dffaba1bf92039df89c038bae3e11c02ea08aba5240c10ea88a45a1"
1774 "d0a8631b269bec99a28b39a3fc5b6b5d1381f7018f15638cc5274ab8dc56a62b2e9e4fee"
1775 "f172be20170b17ec72ff67b81c15299f165810222f6a001a281b5df1153a891206aca89e"
1776 "e7baa761a5af7c0493a3af840b9219e358b1ec1dd301f35d4d241b71ad70337bda42f0ea"
1777 "dc9434a93ed28f96b6ea073608a314a7272fefd69d030cf22ee6e520b848fa705ed6160f"
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2129 "9e12994c901d1b1f489be7253615f7c339b5581afd4d262e879ab8480ecb18990d3db61f"
2130 "96895dcde9c065e645f52baafefcbe34d072dba373fd1c786fd56c3f3284be7260eaff9a"
2131 "6a8348b762ed59e20ea443313b1164db53c3989c32fcae5b366f190b9548e8cff46df961"
2132 "350369b490354ed8e530a91f5072967eff45c63540862fb2deab02b3ae05deac65414368"
2133 "ac3549f277da92b692947de47cba9c1579526931e31c3490c1d3605f9bafcf468c2e9b47"
2134 "981407ea40b0b59754621943095a2d4f4ba266ac545fe7447e54f69555a7ac9ff1e8f001"
2135 "834fa65f2d4523061726e4d3bf4680519032dc21b7389e9f3229e4c2295d354482f8b803"
2136 "b06ca3a8cb3ff786e60f6bc59dd3a5bfed63b0aa493bab78e97bbefb6633534d84de826f"
2137 "4e2ccc3069050d50a2caace6c9de15ffc2656988d94b736e5688df0351a3a6a4c875cd99"
2138 "ef304f3cc7a0585df2b0b3e6c62f86bba0d43de47b80c4eec1c4f98e60a36188219919cf"
2139 "36dc10ee11e174a67d226ad9e71f02a7fca26ad67a4862773f3defc6a747545314063e5f"
2140 "ce7a3f890ec57daa5532acfd027739832437c8a58dcbe11c2842e60e8ca64979d081fbd5"
2141 "a1a028f59317212fb5869abc689a156171d69e4f4c93b949c3459904c00192d3603cd184"
2142 "48d64b843c57f34aee7830f313e58e2abc41b44be46a96c845ffebcb7120e21d1d751046"
2143 "c072adf65dd901a39c8019742054be5e159ea88d0885ee05fcd4c189bafe5abb68603186"
2144 "5dc570b9342fa7f41fd5c1c87e68371ab19a83c82ae1d890c678102d5da8e6c29845657c"
2145 "027ba07362cba4d24950ab38e747925e22ce8df9eaec1ae2c6d23374b360c8352feb6cb9"
2146 "913e4fc49bde6caf5293030d0d234a8ecd616023cc668262591f812de208738e5336a9e6"
2147 "9f9be2479b86be1e1369761518dfc93797ed3a55308878a944581eba50bc9c7f7a0e75c7"
2148 "6a28acd95b277857726f3f684eefc215e0a696f47d65d30431d710d957c08ef96682b385"
2149 "0ee5ba1c8417aafc1af2846a127ec155b4b7fb369e90eb3a5c3793a3389bbc6b532ca32b"
2150 "f5e1f03c2280e71c6e1ae21312d4ff163eee16ebb1fdee8e887bb0d453829b4e6ed5fa70"
2151 "8f2053f29b81e277be46",
2152 "a757ead499a6ec3d8ab9814f839117354ae563c8"
2153 }
2154 };
2155
test_sha1(void)2156 void test_sha1(void)
2157 {
2158 unsigned char buffer[4000];
2159 int i;
2160 for (i=0; i < sizeof(sha1_tests) / sizeof(sha1_tests[0]); ++i) {
2161 stb_uint len = sha1_tests[i].length / 8;
2162 unsigned char digest[20], fdig[20];
2163 unsigned int h;
2164 assert(len <= sizeof(buffer));
2165 assert(strlen(sha1_tests[i].message) == len*2);
2166 assert(strlen(sha1_tests[i].digest) == 20 * 2);
2167 for (h=0; h < len; ++h) {
2168 char v[3];
2169 v[0] = sha1_tests[i].message[h*2];
2170 v[1] = sha1_tests[i].message[h*2+1];
2171 v[2] = 0;
2172 buffer[h] = (unsigned char) strtol(v, NULL, 16);
2173 }
2174 stb_sha1(digest, buffer, len);
2175 for (h=0; h < 20; ++h) {
2176 char v[3];
2177 int res;
2178 v[0] = sha1_tests[i].digest[h*2];
2179 v[1] = sha1_tests[i].digest[h*2+1];
2180 v[2] = 0;
2181 res = digest[h] == strtol(v, NULL, 16);
2182 c(res, sha1_tests[i].digest);
2183 if (!res)
2184 break;
2185 }
2186 {
2187 int z;
2188 FILE *f = fopen("data/test.bin", "wb");
2189 if (!f) stb_fatal("Couldn't write to test.bin");
2190 fwrite(buffer, len, 1, f);
2191 fclose(f);
2192 #ifdef _WIN32
2193 z = stb_sha1_file(fdig, "data/test.bin");
2194 if (!z) stb_fatal("Couldn't digest test.bin");
2195 c(memcmp(digest, fdig, 20)==0, "stb_sh1_file");
2196 #endif
2197 }
2198 }
2199 }
2200
2201
2202 #if 0
2203
2204 stb__obj zero, one;
2205
2206 void test_packed_floats(void)
2207 {
2208 stb__obj *p;
2209 float x,y,*q;
2210 clock_t a,b,c;
2211 int i;
2212 stb_float_init();
2213 for (i=-10; i < 10; ++i) {
2214 float f = (float) pow(10,i);
2215 float g = f * 10;
2216 float delta = (g - f) / 10000;
2217 while (f < g) {
2218 stb__obj z = stb_float(f);
2219 float k = stb_getfloat(z);
2220 float p = stb_getfloat_table(z);
2221 assert((z & 1) == 1);
2222 assert(f == k);
2223 assert(k == p);
2224 f += delta;
2225 }
2226 }
2227
2228 zero = stb_float(0);
2229 one = stb_float(1);
2230
2231 p = malloc(8192 * 4);
2232 for (i=0; i < 8192; ++i)
2233 p[i] = stb_rand();
2234 for (i=0; i < 8192; ++i)
2235 if ((stb_rand() & 31) < 28)
2236 p[i] = zero;
2237
2238 q = malloc(4 * 1024);
2239
2240 a = clock();
2241
2242 x = y = 0;
2243 for (i=0; i < 200000000; ++i)
2244 q[i&1023] = stb_getfloat_table(p[i&8191]);
2245 b = clock();
2246 for (i=0; i < 200000000; ++i)
2247 q[i&1023] = stb_getfloat_table2(p[i&8191]);
2248 c = clock();
2249 free(p);
2250
2251 free(q);
2252
2253 printf("Table: %d\nIFs: %d\n", b-a, c-b);
2254 }
2255 #endif
2256
2257
do_compressor(int argc,char ** argv)2258 void do_compressor(int argc,char**argv)
2259 {
2260 char *p;
2261 size_t slen;
2262 unsigned int len;
2263
2264 int window;
2265 if (argc == 2) {
2266 p = stb_file(argv[1], &slen);
2267 len = (unsigned int) slen;
2268 if (p) {
2269 unsigned int dlen, clen = stb_compress_tofile("data/dummy.bin", p, len);
2270 char *q = stb_decompress_fromfile("data/dummy.bin", &dlen);
2271
2272 if (len != dlen) {
2273 printf("FAILED %d -> %d\n", len, clen);
2274 } else {
2275 int z = memcmp(q,p,dlen);
2276 if (z != 0)
2277 printf("FAILED %d -> %d\n", len, clen);
2278 else
2279 printf("%d -> %d\n", len, clen);
2280 }
2281 }
2282 return;
2283 }
2284
2285 window = atoi(argv[1]);
2286 if (window && argc == 4) {
2287 p = stb_file(argv[3], &slen);
2288 len = (int) slen;
2289 if (p) {
2290 stb_compress_hashsize(window);
2291 stb_compress_tofile(argv[2], p, len);
2292 }
2293 } else if (argc == 3) {
2294 p = stb_decompress_fromfile(argv[2], &len);
2295 if (p) {
2296 FILE *f = fopen(argv[1], "wb");
2297 fwrite(p,1,len,f);
2298 fclose(f);
2299 } else {
2300 fprintf(stderr, "FAILED.\n");
2301 }
2302 } else {
2303 fprintf(stderr, "Usage: stb <hashsize> <output> <filetocompress>\n"
2304 " or stb <output> <filetodecompress>\n");
2305 }
2306 }
2307
2308 #if 0
2309 // naive backtracking implementation
2310 int wildmatch(char *expr, char *candidate)
2311 {
2312 while(*expr) {
2313 if (*expr == '?') {
2314 if (!*candidate) return 0;
2315 ++candidate;
2316 ++expr;
2317 } else if (*expr == '*') {
2318 ++expr;
2319 while (*expr == '*' || *expr =='?') ++expr;
2320 // '*' at end of expression matches anything
2321 if (!*expr) return 1;
2322 // now scan candidate 'til first match
2323 while (*candidate) {
2324 if (*candidate == *expr) {
2325 // check this candidate
2326 if (stb_wildmatch(expr+1, candidate+1))
2327 return 1;
2328 // if not, then backtrack
2329 }
2330 ++candidate;
2331 }
2332 } else {
2333 if (*expr != *candidate)
2334 return 0;
2335 ++expr, ++candidate;
2336 }
2337 }
2338 return *candidate != 0;
2339 }
2340
2341 int stb_matcher_find_slow(stb_matcher *m, char *str)
2342 {
2343 int result = 1;
2344 int i,j,y,z;
2345 uint16 *previous = NULL;
2346 uint16 *current = NULL;
2347 uint16 *temp;
2348
2349 stb_arr_setsize(previous, 4);
2350 stb_arr_setsize(current, 4);
2351
2352 previous = stb__add_if_inactive(m, previous, m->start_node);
2353 previous = stb__eps_closure(m,previous);
2354 if (stb__clear_goalcheck(m, previous))
2355 goto done;
2356
2357 while (*str) {
2358 y = stb_arr_len(previous);
2359 for (i=0; i < y; ++i) {
2360 stb_nfa_node *n = &m->nodes[previous[i]];
2361 z = stb_arr_len(n->out);
2362 for (j=0; j < z; ++j) {
2363 if (n->out[j].match == *str)
2364 current = stb__add_if_inactive(m, current, n->out[j].node);
2365 else if (n->out[j].match == -1) {
2366 if (*str != '\n')
2367 current = stb__add_if_inactive(m, current, n->out[j].node);
2368 } else if (n->out[j].match < -1) {
2369 int z = -n->out[j].match - 2;
2370 if (m->charset[(uint8) *str] & (1 << z))
2371 current = stb__add_if_inactive(m, current, n->out[j].node);
2372 }
2373 }
2374 }
2375 ++str;
2376 stb_arr_setlen(previous, 0);
2377
2378 temp = previous;
2379 previous = current;
2380 current = temp;
2381
2382 if (!m->match_start)
2383 previous = stb__add_if_inactive(m, previous, m->start_node);
2384 previous = stb__eps_closure(m,previous);
2385 if (stb__clear_goalcheck(m, previous))
2386 goto done;
2387 }
2388
2389 result=0;
2390
2391 done:
2392 stb_arr_free(previous);
2393 stb_arr_free(current);
2394
2395 return result;
2396 }
2397 #endif
2398
2399
2400
2401
2402
2403 #if 0 // parser generator
2404 //////////////////////////////////////////////////////////////////////////
2405 //
2406 // stb_parser
2407 //
2408 // Generates an LR(1) parser from a grammar, and can parse with it
2409
2410
2411
2412 // Symbol representations
2413 //
2414 // Client: Internal:
2415 // - c=0 e aka epsilon
2416 // - c=1 $ aka end of string
2417 // > 0 2<=c<M terminals (note these are remapped from a sparse layout)
2418 // < 0 M<=c<N non-terminals
2419
2420 #define END 1
2421 #define EPS 0
2422
2423 short encode_term[4096]; // @TODO: malloc these
2424 short encode_nonterm[4096];
2425 int first_nonterm, num_symbols, symset;
2426 #define encode_term(x) encode_term[x]
2427 #define encode_nonterm(x) encode_nonterm[~(x)]
2428 #define encode_symbol(x) ((x) >= 0 ? encode_term(x) : encode_nonterm(x))
2429
2430 stb_bitset **compute_first(short ** productions)
2431 {
2432 int i, changed;
2433 stb_bitset **first = malloc(sizeof(*first) * num_symbols);
2434
2435 assert(symset);
2436 for (i=0; i < num_symbols; ++i)
2437 first[i] = stb_bitset_new(0, symset);
2438
2439 for (i=END; i < first_nonterm; ++i)
2440 stb_bitset_setbit(first[i], i);
2441
2442 for (i=0; i < stb_arr_len(productions); ++i) {
2443 if (productions[i][2] == 0) {
2444 int nt = encode_nonterm(productions[i][0]);
2445 stb_bitset_setbit(first[nt], EPS);
2446 }
2447 }
2448
2449 do {
2450 changed = 0;
2451 for (i=0; i < stb_arr_len(productions); ++i) {
2452 int j, nt = encode_nonterm(productions[i][0]);
2453 for (j=2; productions[i][j]; ++j) {
2454 int z = encode_symbol(productions[i][j]);
2455 changed |= stb_bitset_unioneq_changed(first[nt], first[z], symset);
2456 if (!stb_bitset_testbit(first[z], EPS))
2457 break;
2458 }
2459 if (!productions[i][j] && !stb_bitset_testbit(first[nt], EPS)) {
2460 stb_bitset_setbit(first[nt], EPS);
2461 changed = 1;
2462 }
2463 }
2464 } while (changed);
2465 return first;
2466 }
2467
2468 stb_bitset **compute_follow(short ** productions, stb_bitset **first, int start)
2469 {
2470 int i,j,changed;
2471 stb_bitset **follow = malloc(sizeof(*follow) * num_symbols);
2472
2473 assert(symset);
2474 for (i=0; i < num_symbols; ++i)
2475 follow[i] = (i >= first_nonterm ? stb_bitset_new(0, symset) : NULL);
2476
2477 stb_bitset_setbit(follow[start], END);
2478 do {
2479 changed = 0;
2480 for (i=0; i < stb_arr_len(productions); ++i) {
2481 int nt = encode_nonterm(productions[i][0]);
2482 for (j=2; productions[i][j]; ++j) {
2483 if (productions[i][j] < 0) {
2484 int k,z = encode_nonterm(productions[i][j]);
2485 for (k=j+1; productions[i][k]; ++k) {
2486 int q = encode_symbol(productions[i][k]);
2487 changed |= stb_bitset_unioneq_changed(follow[z], first[q], symset);
2488 if (!stb_bitset_testbit(first[q], EPS))
2489 break;
2490 }
2491 if (!productions[i][k] == 0)
2492 changed |= stb_bitset_unioneq_changed(follow[z], follow[nt], symset);
2493 }
2494 }
2495 }
2496 } while (changed);
2497
2498 for (i=first_nonterm; i < num_symbols; ++i)
2499 stb_bitset_clearbit(follow[i], EPS);
2500
2501 return follow;
2502 }
2503
2504 void first_for_prod_plus_sym(stb_bitset **first, stb_bitset *out, short *prod, int symbol)
2505 {
2506 stb_bitset_clearall(out, symset);
2507 for(;*prod;++prod) {
2508 int z = encode_symbol(*prod);
2509 stb_bitset_unioneq_changed(out, first[z], symset);
2510 if (!stb_bitset_testbit(first[z], EPS))
2511 return;
2512 }
2513 stb_bitset_unioneq_changed(out, first[symbol], symset);
2514 }
2515
2516 #define Item(p,c,t) ((void *) (size_t) (((t) << 18) + ((c) << 12) + ((p) << 2)))
2517 #define ItemProd(i) ((((uint32) (size_t) (i)) >> 2) & 1023)
2518 #define ItemCursor(i) ((((uint32) (size_t) (i)) >> 12) & 63)
2519 #define ItemLookahead(i) (((uint32) (size_t) (i)) >> 18)
2520
2521 static void pc(stb_ps *p)
2522 {
2523 }
2524
2525 typedef struct
2526 {
2527 short *prod;
2528 int prod_num;
2529 } ProdRef;
2530
2531 typedef struct
2532 {
2533 stb_bitset **first;
2534 stb_bitset **follow;
2535 short ** prod;
2536 ProdRef ** prod_by_nt;
2537 } Grammar;
2538
2539 stb_ps *itemset_closure(Grammar g, stb_ps *set)
2540 {
2541 stb_bitset *lookahead;
2542 int changed,i,j,k, list_len;
2543 if (set == NULL) return set;
2544 lookahead = stb_bitset_new(0, symset);
2545 do {
2546 void **list = stb_ps_getlist(set, &list_len);
2547 changed = 0;
2548 for (i=0; i < list_len; ++i) {
2549 ProdRef *prod;
2550 int nt, *looklist;
2551 int p = ItemProd(list[i]), c = ItemCursor(list[i]), t = ItemLookahead(list[i]);
2552 if (g.prod[p][c] >= 0) continue;
2553 nt = encode_nonterm(g.prod[p][c]);
2554 first_for_prod_plus_sym(g.first, lookahead, g.prod[p]+c+1, t);
2555 looklist = stb_bitset_getlist(lookahead, 1, first_nonterm);
2556
2557 prod = g.prod_by_nt[nt];
2558 for (j=0; j < stb_arr_len(prod); ++j) {
2559 assert(prod[j].prod[0] == g.prod[p][c]);
2560 // matched production; now iterate terminals
2561 for (k=0; k < stb_arr_len(looklist); ++k) {
2562 void *item = Item(prod[j].prod_num,2,looklist[k]);
2563 if (!stb_ps_find(set, item)) {
2564 changed = 1;
2565 set = stb_ps_add(set, item);
2566 pc(set);
2567 }
2568 }
2569 }
2570 stb_arr_free(looklist);
2571 }
2572 free(list);
2573 } while (changed);
2574 free(lookahead);
2575 return set;
2576 }
2577
2578 stb_ps *itemset_goto(Grammar g, stb_ps *set, int sym)
2579 {
2580 int i, listlen;
2581 void **list = stb_ps_fastlist(set, &listlen);
2582 stb_ps *out = NULL;
2583 for (i=0; i < listlen; ++i) {
2584 int p,c;
2585 if (!stb_ps_fastlist_valid(list[i])) continue;
2586 p = ItemProd(list[i]), c = ItemCursor(list[i]);
2587 if (encode_symbol(g.prod[p][c]) == sym) {
2588 void *z = Item(p,c+1,ItemLookahead(list[i]));
2589 if (!stb_ps_find(out, z))
2590 out = stb_ps_add(out, z);
2591 pc(out);
2592 }
2593 }
2594 return itemset_closure(g, out);
2595 }
2596
2597 void itemset_all_nextsym(Grammar g, stb_bitset *out, stb_ps *set)
2598 {
2599 int i, listlen;
2600 void **list = stb_ps_fastlist(set, &listlen);
2601 stb_bitset_clearall(out, symset);
2602 pc(set);
2603 for (i=0; i < listlen; ++i) {
2604 if (stb_ps_fastlist_valid(list[i])) {
2605 int p = ItemProd(list[i]);
2606 int c = ItemCursor(list[i]);
2607 if (g.prod[p][c])
2608 stb_bitset_setbit(out, encode_symbol(g.prod[p][c]));
2609 }
2610 }
2611 }
2612
2613 stb_ps ** generate_items(Grammar g, int start_prod)
2614 {
2615 stb_ps ** all=NULL;
2616 int i,j,k;
2617 stb_bitset *try = stb_bitset_new(0,symset);
2618 stb_ps *set = NULL;
2619 void *item = Item(start_prod, 2, END);
2620 set = stb_ps_add(set, item);
2621 pc(set);
2622 set = itemset_closure(g, set);
2623 pc(set);
2624 stb_arr_push(all, set);
2625 for (i = 0; i < stb_arr_len(all); ++i) {
2626 // only try symbols that appear in all[i]... there's a smarter way to do this,
2627 // which is to take all[i], and divide it up by symbol
2628 pc(all[i]);
2629 itemset_all_nextsym(g, try, all[i]);
2630 for (j = 1; j < num_symbols; ++j) {
2631 if (stb_bitset_testbit(try, j)) {
2632 stb_ps *out;
2633 if (stb_arr_len(all) > 4) pc(all[4]);
2634 if (i == 1 && j == 29) {
2635 if (stb_arr_len(all) > 4) pc(all[4]);
2636 out = itemset_goto(g, all[i], j);
2637 if (stb_arr_len(all) > 4) pc(all[4]);
2638 } else
2639 out = itemset_goto(g, all[i], j);
2640 pc(out);
2641 if (stb_arr_len(all) > 4) pc(all[4]);
2642 if (out != NULL) {
2643 // add it to the array if it's not already there
2644 for (k=0; k < stb_arr_len(all); ++k)
2645 if (stb_ps_eq(all[k], out))
2646 break;
2647 if (k == stb_arr_len(all)) {
2648 stb_arr_push(all, out);
2649 pc(out);
2650 if (stb_arr_len(all) > 4) pc(all[4]);
2651 } else
2652 stb_ps_delete(out);
2653 }
2654 }
2655 }
2656 }
2657 free(try);
2658 return all;
2659 }
2660
2661 typedef struct
2662 {
2663 int num_stack;
2664 int function;
2665 } Reduction;
2666
2667 typedef struct
2668 {
2669 short *encode_term;
2670 Reduction *reductions;
2671 short **action_goto; // terminals are action, nonterminals are goto
2672 int start;
2673 int end_term;
2674 } Parser;
2675
2676 enum
2677 {
2678 A_error, A_accept, A_shift, A_reduce, A_conflict
2679 };
2680
2681 typedef struct
2682 {
2683 uint8 type;
2684 uint8 cursor;
2685 short prod;
2686 short value;
2687 } Action;
2688
2689 Parser *parser_create(short **productions, int num_prod, int start_nt, int end_term)
2690 {
2691 short *mini_rule = malloc(4 * sizeof(mini_rule[0]));
2692 Action *actions;
2693 Grammar g;
2694 stb_ps ** sets;
2695 Parser *p = malloc(sizeof(*p));
2696 int i,j,n;
2697 stb_bitset *mapped;
2698 int min_s=0, max_s=0, termset, ntset, num_states, num_reductions, init_prod;
2699
2700 int synth_start;
2701
2702 // remap sparse terminals and nonterminals
2703
2704 for (i=0; i < num_prod; ++i) {
2705 for (j=2; productions[i][j]; ++j) {
2706 if (productions[i][j] < min_s) min_s = productions[i][j];
2707 if (productions[i][j] > max_s) max_s = productions[i][j];
2708 }
2709 }
2710 synth_start = --min_s;
2711
2712 termset = (max_s + 32) >> 5;
2713 ntset = (~min_s + 32) >> 5;
2714 memset(encode_term, 0, sizeof(encode_term));
2715 memset(encode_nonterm, 0, sizeof(encode_nonterm));
2716
2717 mapped = stb_bitset_new(0, termset);
2718 n = 2;
2719 for (i=0; i < num_prod; ++i)
2720 for (j=2; productions[i][j]; ++j)
2721 if (productions[i][j] > 0)
2722 if (!stb_bitset_testbit(mapped, productions[i][j])) {
2723 stb_bitset_setbit(mapped, productions[i][j]);
2724 encode_term[productions[i][j]] = n++;
2725 }
2726 free(mapped);
2727
2728 first_nonterm = n;
2729
2730 mapped = stb_bitset_new(0, ntset);
2731 for (i=0; i < num_prod; ++i)
2732 for (j=2; productions[i][j]; ++j)
2733 if (productions[i][j] < 0)
2734 if (!stb_bitset_testbit(mapped, ~productions[i][j])) {
2735 stb_bitset_setbit(mapped, ~productions[i][j]);
2736 encode_nonterm[~productions[i][j]] = n++;
2737 }
2738 free(mapped);
2739
2740 // add a special start state for internal processing
2741 p->start = n++;
2742 encode_nonterm[synth_start] = p->start;
2743 mini_rule[0] = synth_start;
2744 mini_rule[1] = -32768;
2745 mini_rule[2] = start_nt;
2746 mini_rule[3] = 0;
2747
2748 p->end_term = end_term;
2749
2750 num_symbols = n;
2751
2752 // create tables
2753 g.prod = NULL;
2754 g.prod_by_nt = malloc(num_symbols * sizeof(g.prod_by_nt[0]));
2755 for (i=0; i < num_symbols; ++i)
2756 g.prod_by_nt[i] = NULL;
2757
2758 for (i=0; i < num_prod; ++i) {
2759 stb_arr_push(g.prod, productions[i]);
2760 }
2761 init_prod = stb_arr_len(g.prod);
2762 stb_arr_push(g.prod, mini_rule);
2763
2764 num_reductions = stb_arr_len(g.prod);
2765 p->reductions = malloc(num_reductions * sizeof(*p->reductions));
2766
2767 symset = (num_symbols + 31) >> 5;
2768 g.first = compute_first(g.prod);
2769 g.follow = compute_follow(g.prod, g.first, p->start);
2770
2771 for (i=0; i < stb_arr_len(g.prod); ++i) {
2772 ProdRef pr = { g.prod[i], i };
2773 stb_arr_push(g.prod_by_nt[encode_nonterm(g.prod[i][0])], pr);
2774 }
2775
2776 sets = generate_items(g, init_prod);
2777
2778 num_states = stb_arr_len(sets);
2779 // now generate tables
2780
2781 actions = malloc(sizeof(*actions) * first_nonterm);
2782 p->action_goto = (short **) stb_array_block_alloc(num_states, sizeof(short) * num_symbols);
2783 for (i=0; i < num_states; ++i) {
2784 int j,n;
2785 void **list = stb_ps_getlist(sets[i], &n);
2786 memset(actions, 0, sizeof(*actions) * first_nonterm);
2787 for (j=0; j < n; ++j) {
2788 int p = ItemProd(list[j]), c = ItemCursor(list[j]), t = ItemLookahead(list[j]);
2789 if (g.prod[p][c] == 0) {
2790 if (p == init_prod) {
2791 // @TODO: check for conflicts
2792 assert(actions[t].type == A_error || actions[t].type == A_accept);
2793 actions[t].type = A_accept;
2794 } else {
2795 // reduce production p
2796 if (actions[t].type == A_reduce) {
2797 // is it the same reduction we already have?
2798 if (actions[t].prod != p) {
2799 // no, it's a reduce-reduce conflict!
2800 printf("Reduce-reduce conflict for rule %d and %d, lookahead %d\n", p, actions[t].prod, t);
2801 // @TODO: use precedence
2802 actions[t].type = A_conflict;
2803 }
2804 } else if (actions[t].type == A_shift) {
2805 printf("Shift-reduce conflict for rule %d and %d, lookahead %d\n", actions[t].prod, p, t);
2806 actions[t].type = A_conflict;
2807 } else if (actions[t].type == A_accept) {
2808 assert(0);
2809 } else if (actions[t].type == A_error) {
2810 actions[t].type = A_reduce;
2811 actions[t].prod = p;
2812 }
2813 }
2814 } else if (g.prod[p][c] > 0) {
2815 int a = encode_symbol(g.prod[p][c]), k;
2816 stb_ps *out = itemset_goto(g, sets[i], a);
2817 for (k=0; k < stb_arr_len(sets); ++k)
2818 if (stb_ps_eq(sets[k], out))
2819 break;
2820 assert(k < stb_arr_len(sets));
2821 // shift k
2822 if (actions[a].type == A_shift) {
2823 if (actions[a].value != k) {
2824 printf("Shift-shift conflict! Rule %d and %d with lookahead %d/%d\n", actions[a].prod, p, a,t);
2825 actions[a].type = A_conflict;
2826 }
2827 } else if (actions[a].type == A_reduce) {
2828 printf("Shift-reduce conflict for rule %d and %d, lookahead %d/%d\n", p, actions[a].prod, a,t);
2829 actions[a].type = A_conflict;
2830 } else if (actions[a].type == A_accept) {
2831 assert(0);
2832 } else if (actions[a].type == A_error) {
2833 actions[a].type = A_shift;
2834 actions[a].prod = p;
2835 actions[a].cursor = c;
2836 actions[a].value = k;
2837 }
2838 }
2839 }
2840 // @TODO: recompile actions into p->action_goto
2841 }
2842
2843 free(mini_rule);
2844 stb_pointer_array_free(g.first , num_symbols); free(g.first );
2845 stb_pointer_array_free(g.follow, num_symbols); free(g.follow);
2846 stb_arr_free(g.prod);
2847 for (i=0; i < num_symbols; ++i)
2848 stb_arr_free(g.prod_by_nt[i]);
2849 free(g.prod_by_nt);
2850 for (i=0; i < stb_arr_len(sets); ++i)
2851 stb_ps_delete(sets[i]);
2852 stb_arr_free(sets);
2853
2854 return p;
2855 }
2856
2857 void parser_destroy(Parser *p)
2858 {
2859 free(p);
2860 }
2861
2862 #if 0
2863 enum nonterm
2864 {
2865 N_globals = -50,
2866 N_global, N_vardef, N_varinitlist, N_varinit, N_funcdef, N_optid, N_optparamlist,
2867 N_paramlist, N_param, N_optinit, N_optcomma, N_statements, N_statement,
2868 N_optexpr, N_assign, N_if, N_ifcore, N_else, N_dictdef, N_dictdef2,
2869 N_dictdefitem, N_expr,
2870 N__last
2871 };
2872
2873 short grammar[][10] =
2874 {
2875 { N_globals , 0, N_globals, N_global },
2876 { N_globals , 0 },
2877 { N_global , 0, N_vardef },
2878 { N_global , 0, N_funcdef },
2879 { N_vardef , 0, ST_var, N_varinitlist, },
2880 { N_varinitlist, 0, N_varinitlist, ',', N_varinit },
2881 { N_varinitlist, 0, N_varinit, },
2882 { N_varinit , 0, ST_id, N_optinit, },
2883 { N_funcdef , 0, ST_func, N_optid, '(', N_optparamlist, ')', N_statements, ST_end },
2884 { N_optid , 0, ST_id },
2885 { N_optid , 0, },
2886 { N_optparamlist, 0, },
2887 { N_optparamlist, 0, N_paramlist, N_optcomma },
2888 { N_paramlist , 0, N_paramlist, ',', N_param },
2889 { N_paramlist , 0, N_param },
2890 { N_param , 0, ST_id, N_optinit },
2891 { N_optinit , 0, '=', N_expr },
2892 { N_optinit , 0, },
2893 { N_optcomma , 0, ',' },
2894 { N_optcomma , 0, },
2895 { N_statements , 0, N_statements, N_statement },
2896 { N_statement , 0, N_statement, ';' },
2897 { N_statement , 0, N_varinit },
2898 { N_statement , 0, ST_return, N_expr },
2899 { N_statement , 0, ST_break , N_optexpr },
2900 { N_optexpr , 0, N_expr },
2901 { N_optexpr , 0, },
2902 { N_statement , 0, ST_continue },
2903 { N_statement , 0, N_assign },
2904 { N_assign , 0, N_expr, '=', N_assign },
2905 //{ N_assign , 0, N_expr },
2906 { N_statement , 0, ST_while, N_expr, N_statements, ST_end },
2907 { N_statement , 0, ST_if, N_if, },
2908 { N_if , 0, N_ifcore, ST_end, },
2909 { N_ifcore , 0, N_expr, ST_then, N_statements, N_else, ST_end },
2910 { N_else , 0, ST_elseif, N_ifcore },
2911 { N_else , 0, ST_else, N_statements },
2912 { N_else , 0, },
2913 { N_dictdef , 0, N_dictdef2, N_optcomma },
2914 { N_dictdef2 , 0, N_dictdef2, ',', N_dictdefitem },
2915 { N_dictdef2 , 0, N_dictdefitem },
2916 { N_dictdefitem, 0, ST_id, '=', N_expr },
2917 { N_dictdefitem, 0, N_expr },
2918 { N_expr , 0, ST_number },
2919 { N_expr , 0, ST_string },
2920 { N_expr , 0, ST_id },
2921 { N_expr , 0, N_funcdef },
2922 { N_expr , 0, '-', N_expr },
2923 { N_expr , 0, '{', N_dictdef, '}' },
2924 { N_expr , 0, '(', N_expr, ')' },
2925 { N_expr , 0, N_expr, '.', ST_id },
2926 { N_expr , 0, N_expr, '[', N_expr, ']' },
2927 { N_expr , 0, N_expr, '(', N_dictdef, ')' },
2928 #if 0
2929 #define BINOP(op) { N_expr, 0, N_expr, op, N_expr }
2930 BINOP(ST_and), BINOP(ST_or), BINOP(ST_eq), BINOP(ST_ne),
2931 BINOP(ST_le), BINOP(ST_ge), BINOP('>') , BINOP('<' ),
2932 BINOP('&'), BINOP('|'), BINOP('^'), BINOP('+'), BINOP('-'),
2933 BINOP('*'), BINOP('/'), BINOP('%'),
2934 #undef BINOP
2935 #endif
2936 };
2937
2938 short *grammar_list[stb_arrcount(grammar)];
2939
2940 void test_parser_generator(void)
2941 {
2942 Parser *p;
2943 int i;
2944 assert(N__last <= 0);
2945 for (i=0; i < stb_arrcount(grammar); ++i)
2946 grammar_list[i] = grammar[i];
2947 p = parser_create(grammar_list, stb_arrcount(grammar), N_globals, 0);
2948 parser_destroy(p);
2949 }
2950 #endif
2951 #endif // parser generator
2952
2953 #if 0
2954 // stb_threadtest.c
2955
2956
2957 #include <windows.h>
2958 #define STB_DEFINE
2959 //#define STB_THREAD_TEST
2960 #include "../stb.h"
2961
2962 #define NUM_WORK 100
2963
2964 void *work_consumer(void *p)
2965 {
2966 stb__thread_sleep(20);
2967 return NULL;
2968 }
2969
2970 int pass;
2971 stb_threadqueue *tq1, *tq2, *tq3, *tq4;
2972 volatile float t1,t2;
2973
2974 // with windows.h
2975 // Worked correctly with 100,000,000 enqueue/dequeue WAITLESS
2976 // (770 passes, 170000 per pass)
2977 // Worked correctly with 2,500,000 enqueue/dequeue !WAITLESS
2978 // (15 passes, 170000 per pass)
2979 // Worked correctly with 1,500,000 enqueue/dequeue WAITLESS && STB_THREAD_TEST
2980 // (9 passes, 170000 per pass)
2981 // without windows.h
2982 // Worked correctly with 1,000,000 enqueue/dequeue WAITLESS && STB_THREAD_TEST
2983 // (6 passes, 170000 per pass)
2984 // Worked correctly with 500,000 enqueue/dequeue !WAITLESS && STB_THREAD_TEST
2985 // (3 passes, 170000 per pass)
2986 // Worked correctly with 1,000,000 enqueue/dequeue WAITLESS
2987 // (15 passes, 170000 per pass)
2988 #define WAITLESS
2989
2990 volatile int table[1000*1000*10];
2991
2992 void wait(int n)
2993 {
2994 #ifndef WAITLESS
2995 int j;
2996 float y;
2997 for (j=0; j < n; ++j)
2998 y += 1 / (t1+j);
2999 t2 = y;
3000 #endif
3001 }
3002
3003 void *tq1_consumer(void *p)
3004 {
3005 for(;;) {
3006 int z;
3007 float y = 0;
3008 stb_threadq_get_block(tq1, &z);
3009 wait(5000);
3010 table[z] = pass;
3011 }
3012 }
3013
3014 void *tq2_consumer(void *p)
3015 {
3016 for(;;) {
3017 int z;
3018 if (stb_threadq_get(tq2, &z))
3019 table[z] = pass;
3020 wait(1000);
3021 }
3022 }
3023
3024 void *tq3_consumer(void *p)
3025 {
3026 for(;;) {
3027 int z;
3028 stb_threadq_get_block(tq3, &z);
3029 table[z] = pass;
3030 wait(500);
3031 }
3032 }
3033
3034 void *tq4_consumer(void *p)
3035 {
3036 for (;;) {
3037 int z;
3038 stb_threadq_get_block(tq4, &z);
3039 table[z] = pass;
3040 wait(500);
3041 }
3042 }
3043
3044 typedef struct
3045 {
3046 int start, end;
3047 stb_threadqueue *tq;
3048 int delay;
3049 } write_data;
3050
3051 void *writer(void *q)
3052 {
3053 int i;
3054 write_data *p = (write_data *) q;
3055 for (i=p->start; i < p->end; ++i) {
3056 stb_threadq_add_block(p->tq, &i);
3057 #ifndef WAITLESS
3058 if (p->delay) stb__thread_sleep(p->delay);
3059 else {
3060 int j;
3061 float z = 0;
3062 for (j=0; j <= 20; ++j)
3063 z += 1 / (t1+j);
3064 t2 = z;
3065 }
3066 #endif
3067 }
3068 return NULL;
3069 }
3070
3071 write_data info[256];
3072 int pos;
3073
3074 void start_writer(int z, int count, stb_threadqueue *tq, int delay)
3075 {
3076 info[z].start = pos;
3077 info[z].end = pos+count;
3078 info[z].tq = tq;
3079 info[z].delay = delay;
3080 stb_create_thread(writer, &info[z]);
3081 pos += count;
3082 }
3083
3084 int main(int argc, char **argv)
3085 {
3086 int i;
3087 stb_sync s = stb_sync_new();
3088 stb_sync_set_target(s, NUM_WORK+1);
3089 stb_work_numthreads(2);
3090 for (i=0; i < NUM_WORK; ++i) {
3091 stb_work_reach(work_consumer, NULL, NULL, s);
3092 }
3093 printf("Started stb_work test.\n");
3094
3095 t1 = 1;
3096
3097 // create the queues
3098 tq1 = stb_threadq_new(4, 4, TRUE , TRUE);
3099 tq2 = stb_threadq_new(4, 4, TRUE , FALSE);
3100 tq3 = stb_threadq_new(4, 4, FALSE, TRUE);
3101 tq4 = stb_threadq_new(4, 4, FALSE, FALSE);
3102
3103 // start the consumers
3104 stb_create_thread(tq1_consumer, NULL);
3105 stb_create_thread(tq1_consumer, NULL);
3106 stb_create_thread(tq1_consumer, NULL);
3107
3108 stb_create_thread(tq2_consumer, NULL);
3109
3110 stb_create_thread(tq3_consumer, NULL);
3111 stb_create_thread(tq3_consumer, NULL);
3112 stb_create_thread(tq3_consumer, NULL);
3113 stb_create_thread(tq3_consumer, NULL);
3114 stb_create_thread(tq3_consumer, NULL);
3115 stb_create_thread(tq3_consumer, NULL);
3116 stb_create_thread(tq3_consumer, NULL);
3117
3118 stb_create_thread(tq4_consumer, NULL);
3119
3120 for (pass=1; pass <= 5000; ++pass) {
3121 int z = 0;
3122 int last_n = -1;
3123 int identical = 0;
3124 pos = 0;
3125 start_writer(z++, 50000, tq1, 0);
3126 start_writer(z++, 50000, tq1, 0);
3127 start_writer(z++, 50000, tq1, 0);
3128
3129 start_writer(z++, 5000, tq2, 1);
3130 start_writer(z++, 3000, tq2, 3);
3131 start_writer(z++, 2000, tq2, 5);
3132
3133 start_writer(z++, 5000, tq3, 3);
3134
3135 start_writer(z++, 5000, tq4, 3);
3136 #ifndef WAITLESS
3137 stb__thread_sleep(8000);
3138 #endif
3139 for(;;) {
3140 int n =0;
3141 for (i=0; i < pos; ++i) {
3142 if (table[i] == pass)
3143 ++n;
3144 }
3145 if (n == pos) break;
3146 if (n == last_n) {
3147 ++identical;
3148 if (identical == 3) {
3149 printf("Problem slots:\n");
3150 for (i=0; i < pos; ++i) {
3151 if (table[i] != pass) printf("%d ", i);
3152 }
3153 printf("\n");
3154 } else {
3155 if (identical < 3)
3156 printf("Processed %d of %d\n", n, pos);
3157 else
3158 printf(".");
3159 }
3160 } else {
3161 identical = 0;
3162 printf("Processed %d of %d\n", n, pos);
3163 }
3164 last_n = n;
3165 #ifdef WAITLESS
3166 stb__thread_sleep(750);
3167 #else
3168 stb__thread_sleep(3000);
3169 #endif
3170 }
3171 printf("Finished pass %d\n", pass);
3172 }
3173
3174 stb_sync_reach_and_wait(s);
3175 printf("stb_work test completed ok.\n");
3176 return 0;
3177 }
3178 #endif
3179
3180
3181 #if 0
3182 //////////////////////////////////////////////////////////////////////////////
3183 //
3184 // collapse tree leaves up to parents until we only have N nodes
3185 // useful for cmirror summaries
3186
3187 typedef struct stb_summary_tree
3188 {
3189 struct stb_summary_tree **children;
3190 int num_children;
3191 float weight;
3192 } stb_summary_tree;
3193
3194 STB_EXTERN void *stb_summarize_tree(void *tree, int limit, float reweight);
3195
3196 #ifdef STB_DEFINE
3197
3198 typedef struct stb_summary_tree2
3199 {
3200 STB__ARR(struct stb_summary_tree2 *) children;
3201 int num_children;
3202 float weight;
3203 float weight_with_all_children;
3204 float makes_target_weight;
3205 float weight_at_target;
3206 stb_summary_tree *original;
3207 struct stb_summary_tree2 *target;
3208 STB__ARR(struct stb_summary_tree2 *) targeters;
3209 } stb_summary_tree2;
3210
3211 static stb_summary_tree2 *stb__summarize_clone(stb_summary_tree *t)
3212 {
3213 int i;
3214 stb_summary_tree2 *s;
3215 s = (stb_summary_tree2 *) malloc(sizeof(*s));
3216 s->original = t;
3217 s->weight = t->weight;
3218 s->weight_with_all_children = 0;
3219 s->weight_at_target = 0;
3220 s->target = NULL;
3221 s->targeters = NULL;
3222 s->num_children = t->num_children;
3223 s->children = NULL;
3224 for (i=0; i < s->num_children; ++i)
3225 stb_arr_push(s->children, stb__summarize_clone(t->children[i]));
3226 return s;
3227 }
3228
3229 static float stb__summarize_compute_targets(stb_summary_tree2 *parent, stb_summary_tree2 *node, float reweight, float weight)
3230 {
3231 float total = 0;
3232 if (node->weight == 0 && node->num_children == 1 && parent) {
3233 node->target = parent;
3234 return stb__summarize_compute_targets(parent, node->children[0], reweight, weight*reweight);
3235 } else {
3236 float total=0;
3237 int i;
3238 for (i=0; i < node->num_children; ++i)
3239 total += stb__summarize_compute_targets(node, node->children[i], reweight, reweight);
3240 node->weight_with_all_children = total + node->weight;
3241 if (parent && node->weight_with_all_children) {
3242 node->target = parent;
3243 node->weight_at_target = node->weight_with_all_children * weight;
3244 node->makes_target_weight = node->weight_at_target + parent->weight;
3245 stb_arr_push(parent->targeters, node);
3246 } else {
3247 node->target = NULL;
3248 node->weight_at_target = node->weight;
3249 node->makes_target_weight = 0;
3250 }
3251 return node->weight_with_all_children * weight;
3252 }
3253 }
3254
3255 static stb_summary_tree2 ** stb__summarize_make_array(STB__ARR(stb_summary_tree2 *) all, stb_summary_tree2 *tree)
3256 {
3257 int i;
3258 stb_arr_push(all, tree);
3259 for (i=0; i < tree->num_children; ++i)
3260 all = stb__summarize_make_array(all, tree->children[i]);
3261 return all;
3262 }
3263
3264 typedef stb_summary_tree2 * stb__stree2;
3265 stb_define_sort(stb__summarysort, stb__stree2, (*a)->makes_target_weight < (*b)->makes_target_weight)
3266
3267 void *stb_summarize_tree(void *tree, int limit, float reweight)
3268 {
3269 int i,j,k;
3270 STB__ARR(stb_summary_tree *) ret=NULL;
3271 STB__ARR(stb_summary_tree2 *) all=NULL;
3272
3273 // first clone the tree so we can manipulate it
3274 stb_summary_tree2 *t = stb__summarize_clone((stb_summary_tree *) tree);
3275 if (reweight < 1) reweight = 1;
3276
3277 // now compute how far up the tree each node would get pushed
3278 // there's no value in pushing a node up to an empty node with
3279 // only one child, so we keep pushing it up
3280 stb__summarize_compute_targets(NULL, t, reweight, 1);
3281
3282 all = stb__summarize_make_array(all, t);
3283
3284 // now we want to iteratively find the smallest 'makes_target_weight',
3285 // update that, and then fix all the others (which will be all descendents)
3286 // to do this efficiently, we need a heap or a sorted binary tree
3287 // what we have is an array. maybe we can insertion sort the array?
3288 stb__summarysort(all, stb_arr_len(all));
3289
3290 for (i=0; i < stb_arr_len(all) - limit; ++i) {
3291 stb_summary_tree2 *src, *dest;
3292 src = all[i];
3293 dest = all[i]->target;
3294 if (src->makes_target_weight == 0) continue;
3295 assert(dest != NULL);
3296
3297 for (k=0; k < stb_arr_len(all); ++k)
3298 if (all[k] == dest)
3299 break;
3300 assert(k != stb_arr_len(all));
3301 assert(i < k);
3302
3303 // move weight from all[i] to target
3304 src->weight = dest->makes_target_weight;
3305 src->weight = 0;
3306 src->makes_target_weight = 0;
3307 // recompute effect of other descendents
3308 for (j=0; j < stb_arr_len(dest->targeters); ++j) {
3309 if (dest->targeters[j]->weight) {
3310 dest->targeters[j]->makes_target_weight = dest->weight + dest->targeters[j]->weight_at_target;
3311 assert(dest->targeters[j]->makes_target_weight <= dest->weight_with_all_children);
3312 }
3313 }
3314 STB_(stb__summarysort,_ins_sort)(all+i, stb_arr_len(all)-i);
3315 }
3316 // now the elements in [ i..stb_arr_len(all) ) are the relevant ones
3317 for (; i < stb_arr_len(all); ++i)
3318 stb_arr_push(ret, all[i]->original);
3319
3320 // now free all our temp data
3321 for (i=0; i < stb_arr_len(all); ++i) {
3322 stb_arr_free(all[i]->children);
3323 free(all[i]);
3324 }
3325 stb_arr_free(all);
3326 return ret;
3327 }
3328 #endif
3329
3330 #endif
3331