1 #define PERL_constant_NOTFOUND	1
2 #define PERL_constant_NOTDEF	2
3 #define PERL_constant_ISIV	3
4 #define PERL_constant_ISNO	4
5 #define PERL_constant_ISNV	5
6 #define PERL_constant_ISPV	6
7 #define PERL_constant_ISPVN	7
8 #define PERL_constant_ISSV	8
9 #define PERL_constant_ISUNDEF	9
10 #define PERL_constant_ISUV	10
11 #define PERL_constant_ISYES	11
12 
13 #ifndef NVTYPE
14 typedef double NV; /* 5.6 and later define NVTYPE, and typedef NV to it.  */
15 #endif
16 #ifndef aTHX_
17 #define aTHX_ /* 5.6 or later define this for threading support.  */
18 #endif
19 #ifndef pTHX_
20 #define pTHX_ /* 5.6 or later define this for threading support.  */
21 #endif
22 
23 static int
24 constant_7 (pTHX_ const char *name, IV *iv_return) {
25   /* When generated this function returned values for the list of names given
26      here.  However, subsequent manual editing may have added or removed some.
27      OS_CODE Z_ASCII Z_BLOCK Z_ERRNO Z_FIXED */
28   /* Offset 6 gives the best switch position.  */
29   switch (name[6]) {
30   case 'D':
31     if (memEQ(name, "Z_FIXE", 6)) {
32     /*                     D     */
33 #ifdef Z_FIXED
34       *iv_return = Z_FIXED;
35       return PERL_constant_ISIV;
36 #else
37       return PERL_constant_NOTDEF;
38 #endif
39     }
40     break;
41   case 'E':
42     if (memEQ(name, "OS_COD", 6)) {
43     /*                     E     */
44 #ifdef OS_CODE
45       *iv_return = OS_CODE;
46       return PERL_constant_ISIV;
47 #else
48       return PERL_constant_NOTDEF;
49 #endif
50     }
51     break;
52   case 'I':
53     if (memEQ(name, "Z_ASCI", 6)) {
54     /*                     I     */
55 #ifdef Z_ASCII
56       *iv_return = Z_ASCII;
57       return PERL_constant_ISIV;
58 #else
59       return PERL_constant_NOTDEF;
60 #endif
61     }
62     break;
63   case 'K':
64     if (memEQ(name, "Z_BLOC", 6)) {
65     /*                     K     */
66 #ifdef Z_BLOCK
67       *iv_return = Z_BLOCK;
68       return PERL_constant_ISIV;
69 #else
70       return PERL_constant_NOTDEF;
71 #endif
72     }
73     break;
74   case 'O':
75     if (memEQ(name, "Z_ERRN", 6)) {
76     /*                     O     */
77 #ifdef Z_ERRNO
78       *iv_return = Z_ERRNO;
79       return PERL_constant_ISIV;
80 #else
81       return PERL_constant_NOTDEF;
82 #endif
83     }
84     break;
85   }
86   return PERL_constant_NOTFOUND;
87 }
88 
89 static int
90 constant_9 (pTHX_ const char *name, IV *iv_return) {
91   /* When generated this function returned values for the list of names given
92      here.  However, subsequent manual editing may have added or removed some.
93      DEF_WBITS MAX_WBITS Z_UNKNOWN */
94   /* Offset 2 gives the best switch position.  */
95   switch (name[2]) {
96   case 'F':
97     if (memEQ(name, "DEF_WBITS", 9)) {
98     /*                 ^            */
99 #ifdef DEF_WBITS
100       *iv_return = DEF_WBITS;
101       return PERL_constant_ISIV;
102 #else
103       return PERL_constant_NOTDEF;
104 #endif
105     }
106     break;
107   case 'U':
108     if (memEQ(name, "Z_UNKNOWN", 9)) {
109     /*                 ^            */
110 #ifdef Z_UNKNOWN
111       *iv_return = Z_UNKNOWN;
112       return PERL_constant_ISIV;
113 #else
114       return PERL_constant_NOTDEF;
115 #endif
116     }
117     break;
118   case 'X':
119     if (memEQ(name, "MAX_WBITS", 9)) {
120     /*                 ^            */
121 #ifdef MAX_WBITS
122       *iv_return = MAX_WBITS;
123       return PERL_constant_ISIV;
124 #else
125       return PERL_constant_NOTDEF;
126 #endif
127     }
128     break;
129   }
130   return PERL_constant_NOTFOUND;
131 }
132 
133 static int
134 constant_10 (pTHX_ const char *name, IV *iv_return) {
135   /* When generated this function returned values for the list of names given
136      here.  However, subsequent manual editing may have added or removed some.
137      Z_DEFLATED Z_FILTERED Z_NO_FLUSH */
138   /* Offset 7 gives the best switch position.  */
139   switch (name[7]) {
140   case 'R':
141     if (memEQ(name, "Z_FILTERED", 10)) {
142     /*                      ^         */
143 #ifdef Z_FILTERED
144       *iv_return = Z_FILTERED;
145       return PERL_constant_ISIV;
146 #else
147       return PERL_constant_NOTDEF;
148 #endif
149     }
150     break;
151   case 'T':
152     if (memEQ(name, "Z_DEFLATED", 10)) {
153     /*                      ^         */
154 #ifdef Z_DEFLATED
155       *iv_return = Z_DEFLATED;
156       return PERL_constant_ISIV;
157 #else
158       return PERL_constant_NOTDEF;
159 #endif
160     }
161     break;
162   case 'U':
163     if (memEQ(name, "Z_NO_FLUSH", 10)) {
164     /*                      ^         */
165 #ifdef Z_NO_FLUSH
166       *iv_return = Z_NO_FLUSH;
167       return PERL_constant_ISIV;
168 #else
169       return PERL_constant_NOTDEF;
170 #endif
171     }
172     break;
173   }
174   return PERL_constant_NOTFOUND;
175 }
176 
177 static int
178 constant_11 (pTHX_ const char *name, IV *iv_return) {
179   /* When generated this function returned values for the list of names given
180      here.  However, subsequent manual editing may have added or removed some.
181      Z_BUF_ERROR Z_MEM_ERROR Z_NEED_DICT */
182   /* Offset 4 gives the best switch position.  */
183   switch (name[4]) {
184   case 'E':
185     if (memEQ(name, "Z_NEED_DICT", 11)) {
186     /*                   ^             */
187 #ifdef Z_NEED_DICT
188       *iv_return = Z_NEED_DICT;
189       return PERL_constant_ISIV;
190 #else
191       return PERL_constant_NOTDEF;
192 #endif
193     }
194     break;
195   case 'F':
196     if (memEQ(name, "Z_BUF_ERROR", 11)) {
197     /*                   ^             */
198 #ifdef Z_BUF_ERROR
199       *iv_return = Z_BUF_ERROR;
200       return PERL_constant_ISIV;
201 #else
202       return PERL_constant_NOTDEF;
203 #endif
204     }
205     break;
206   case 'M':
207     if (memEQ(name, "Z_MEM_ERROR", 11)) {
208     /*                   ^             */
209 #ifdef Z_MEM_ERROR
210       *iv_return = Z_MEM_ERROR;
211       return PERL_constant_ISIV;
212 #else
213       return PERL_constant_NOTDEF;
214 #endif
215     }
216     break;
217   }
218   return PERL_constant_NOTFOUND;
219 }
220 
221 static int
222 constant_12 (pTHX_ const char *name, IV *iv_return, const char **pv_return) {
223   /* When generated this function returned values for the list of names given
224      here.  However, subsequent manual editing may have added or removed some.
225      ZLIB_VERSION Z_BEST_SPEED Z_DATA_ERROR Z_FULL_FLUSH Z_STREAM_END
226      Z_SYNC_FLUSH */
227   /* Offset 4 gives the best switch position.  */
228   switch (name[4]) {
229   case 'L':
230     if (memEQ(name, "Z_FULL_FLUSH", 12)) {
231     /*                   ^              */
232 #ifdef Z_FULL_FLUSH
233       *iv_return = Z_FULL_FLUSH;
234       return PERL_constant_ISIV;
235 #else
236       return PERL_constant_NOTDEF;
237 #endif
238     }
239     break;
240   case 'N':
241     if (memEQ(name, "Z_SYNC_FLUSH", 12)) {
242     /*                   ^              */
243 #ifdef Z_SYNC_FLUSH
244       *iv_return = Z_SYNC_FLUSH;
245       return PERL_constant_ISIV;
246 #else
247       return PERL_constant_NOTDEF;
248 #endif
249     }
250     break;
251   case 'R':
252     if (memEQ(name, "Z_STREAM_END", 12)) {
253     /*                   ^              */
254 #ifdef Z_STREAM_END
255       *iv_return = Z_STREAM_END;
256       return PERL_constant_ISIV;
257 #else
258       return PERL_constant_NOTDEF;
259 #endif
260     }
261     break;
262   case 'S':
263     if (memEQ(name, "Z_BEST_SPEED", 12)) {
264     /*                   ^              */
265 #ifdef Z_BEST_SPEED
266       *iv_return = Z_BEST_SPEED;
267       return PERL_constant_ISIV;
268 #else
269       return PERL_constant_NOTDEF;
270 #endif
271     }
272     break;
273   case 'T':
274     if (memEQ(name, "Z_DATA_ERROR", 12)) {
275     /*                   ^              */
276 #ifdef Z_DATA_ERROR
277       *iv_return = Z_DATA_ERROR;
278       return PERL_constant_ISIV;
279 #else
280       return PERL_constant_NOTDEF;
281 #endif
282     }
283     break;
284   case '_':
285     if (memEQ(name, "ZLIB_VERSION", 12)) {
286     /*                   ^              */
287 #ifdef ZLIB_VERSION
288       *pv_return = ZLIB_VERSION;
289       return PERL_constant_ISPV;
290 #else
291       return PERL_constant_NOTDEF;
292 #endif
293     }
294     break;
295   }
296   return PERL_constant_NOTFOUND;
297 }
298 
299 static int
300 constant (pTHX_ const char *name, STRLEN len, IV *iv_return, const char **pv_return) {
301   /* Initially switch on the length of the name.  */
302   /* When generated this function returned values for the list of names given
303      in this section of perl code.  Rather than manually editing these functions
304      to add or remove constants, which would result in this comment and section
305      of code becoming inaccurate, we recommend that you edit this section of
306      code, and use it to regenerate a new set of constant functions which you
307      then use to replace the originals.
308 
309      Regenerate these constant functions by feeding this entire source file to
310      perl -x
311 
312 #!/usr/bin/perl -w
313 use ExtUtils::Constant qw (constant_types C_constant XS_constant);
314 
315 my $types = {map {($_, 1)} qw(IV PV)};
316 my @names = (qw(DEF_WBITS MAX_MEM_LEVEL MAX_WBITS OS_CODE Z_ASCII
317 	       Z_BEST_COMPRESSION Z_BEST_SPEED Z_BINARY Z_BLOCK Z_BUF_ERROR
318 	       Z_DATA_ERROR Z_DEFAULT_COMPRESSION Z_DEFAULT_STRATEGY Z_DEFLATED
319 	       Z_ERRNO Z_FILTERED Z_FINISH Z_FIXED Z_FULL_FLUSH Z_HUFFMAN_ONLY
320 	       Z_MEM_ERROR Z_NEED_DICT Z_NO_COMPRESSION Z_NO_FLUSH Z_NULL Z_OK
321 	       Z_PARTIAL_FLUSH Z_RLE Z_STREAM_END Z_STREAM_ERROR Z_SYNC_FLUSH
322 	       Z_UNKNOWN Z_VERSION_ERROR),
323             {name=>"ZLIB_VERSION", type=>"PV"});
324 
325 print constant_types(); # macro defs
326 foreach (C_constant ("Zlib", 'constant', 'IV', $types, undef, 3, @names) ) {
327     print $_, "\n"; # C constant subs
328 }
329 print "#### XS Section:\n";
330 print XS_constant ("Zlib", $types);
331 __END__
332    */
333 
334   switch (len) {
335   case 4:
336     if (memEQ(name, "Z_OK", 4)) {
337 #ifdef Z_OK
338       *iv_return = Z_OK;
339       return PERL_constant_ISIV;
340 #else
341       return PERL_constant_NOTDEF;
342 #endif
343     }
344     break;
345   case 5:
346     if (memEQ(name, "Z_RLE", 5)) {
347 #ifdef Z_RLE
348       *iv_return = Z_RLE;
349       return PERL_constant_ISIV;
350 #else
351       return PERL_constant_NOTDEF;
352 #endif
353     }
354     break;
355   case 6:
356     if (memEQ(name, "Z_NULL", 6)) {
357 #ifdef Z_NULL
358       *iv_return = Z_NULL;
359       return PERL_constant_ISIV;
360 #else
361       return PERL_constant_NOTDEF;
362 #endif
363     }
364     break;
365   case 7:
366     return constant_7 (aTHX_ name, iv_return);
367     break;
368   case 8:
369     /* Names all of length 8.  */
370     /* Z_BINARY Z_FINISH */
371     /* Offset 6 gives the best switch position.  */
372     switch (name[6]) {
373     case 'R':
374       if (memEQ(name, "Z_BINARY", 8)) {
375       /*                     ^       */
376 #ifdef Z_BINARY
377         *iv_return = Z_BINARY;
378         return PERL_constant_ISIV;
379 #else
380         return PERL_constant_NOTDEF;
381 #endif
382       }
383       break;
384     case 'S':
385       if (memEQ(name, "Z_FINISH", 8)) {
386       /*                     ^       */
387 #ifdef Z_FINISH
388         *iv_return = Z_FINISH;
389         return PERL_constant_ISIV;
390 #else
391         return PERL_constant_NOTDEF;
392 #endif
393       }
394       break;
395     }
396     break;
397   case 9:
398     return constant_9 (aTHX_ name, iv_return);
399     break;
400   case 10:
401     return constant_10 (aTHX_ name, iv_return);
402     break;
403   case 11:
404     return constant_11 (aTHX_ name, iv_return);
405     break;
406   case 12:
407     return constant_12 (aTHX_ name, iv_return, pv_return);
408     break;
409   case 13:
410     if (memEQ(name, "MAX_MEM_LEVEL", 13)) {
411 #ifdef MAX_MEM_LEVEL
412       *iv_return = MAX_MEM_LEVEL;
413       return PERL_constant_ISIV;
414 #else
415       return PERL_constant_NOTDEF;
416 #endif
417     }
418     break;
419   case 14:
420     /* Names all of length 14.  */
421     /* Z_HUFFMAN_ONLY Z_STREAM_ERROR */
422     /* Offset 3 gives the best switch position.  */
423     switch (name[3]) {
424     case 'T':
425       if (memEQ(name, "Z_STREAM_ERROR", 14)) {
426       /*                  ^                 */
427 #ifdef Z_STREAM_ERROR
428         *iv_return = Z_STREAM_ERROR;
429         return PERL_constant_ISIV;
430 #else
431         return PERL_constant_NOTDEF;
432 #endif
433       }
434       break;
435     case 'U':
436       if (memEQ(name, "Z_HUFFMAN_ONLY", 14)) {
437       /*                  ^                 */
438 #ifdef Z_HUFFMAN_ONLY
439         *iv_return = Z_HUFFMAN_ONLY;
440         return PERL_constant_ISIV;
441 #else
442         return PERL_constant_NOTDEF;
443 #endif
444       }
445       break;
446     }
447     break;
448   case 15:
449     /* Names all of length 15.  */
450     /* Z_PARTIAL_FLUSH Z_VERSION_ERROR */
451     /* Offset 5 gives the best switch position.  */
452     switch (name[5]) {
453     case 'S':
454       if (memEQ(name, "Z_VERSION_ERROR", 15)) {
455       /*                    ^                */
456 #ifdef Z_VERSION_ERROR
457         *iv_return = Z_VERSION_ERROR;
458         return PERL_constant_ISIV;
459 #else
460         return PERL_constant_NOTDEF;
461 #endif
462       }
463       break;
464     case 'T':
465       if (memEQ(name, "Z_PARTIAL_FLUSH", 15)) {
466       /*                    ^                */
467 #ifdef Z_PARTIAL_FLUSH
468         *iv_return = Z_PARTIAL_FLUSH;
469         return PERL_constant_ISIV;
470 #else
471         return PERL_constant_NOTDEF;
472 #endif
473       }
474       break;
475     }
476     break;
477   case 16:
478     if (memEQ(name, "Z_NO_COMPRESSION", 16)) {
479 #ifdef Z_NO_COMPRESSION
480       *iv_return = Z_NO_COMPRESSION;
481       return PERL_constant_ISIV;
482 #else
483       return PERL_constant_NOTDEF;
484 #endif
485     }
486     break;
487   case 18:
488     /* Names all of length 18.  */
489     /* Z_BEST_COMPRESSION Z_DEFAULT_STRATEGY */
490     /* Offset 14 gives the best switch position.  */
491     switch (name[14]) {
492     case 'S':
493       if (memEQ(name, "Z_BEST_COMPRESSION", 18)) {
494       /*                             ^          */
495 #ifdef Z_BEST_COMPRESSION
496         *iv_return = Z_BEST_COMPRESSION;
497         return PERL_constant_ISIV;
498 #else
499         return PERL_constant_NOTDEF;
500 #endif
501       }
502       break;
503     case 'T':
504       if (memEQ(name, "Z_DEFAULT_STRATEGY", 18)) {
505       /*                             ^          */
506 #ifdef Z_DEFAULT_STRATEGY
507         *iv_return = Z_DEFAULT_STRATEGY;
508         return PERL_constant_ISIV;
509 #else
510         return PERL_constant_NOTDEF;
511 #endif
512       }
513       break;
514     }
515     break;
516   case 21:
517     if (memEQ(name, "Z_DEFAULT_COMPRESSION", 21)) {
518 #ifdef Z_DEFAULT_COMPRESSION
519       *iv_return = Z_DEFAULT_COMPRESSION;
520       return PERL_constant_ISIV;
521 #else
522       return PERL_constant_NOTDEF;
523 #endif
524     }
525     break;
526   }
527   return PERL_constant_NOTFOUND;
528 }
529 
530