1 /* 2 * Unit test suite for *scanf functions. 3 * 4 * Copyright 2002 Uwe Bonnes 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this library; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA 19 */ 20 21 #include <stdio.h> 22 23 #include "wine/test.h" 24 25 static void test_sscanf( void ) 26 { 27 /* use function pointers to bypass gcc builtin */ 28 int (WINAPIV *p_sprintf)(char *buf, const char *fmt, ...); 29 int (WINAPIV *p_sscanf)(const char *buf, const char *fmt, ...); 30 char buffer[100], buffer1[100]; 31 char format[20]; 32 int result, ret; 33 LONGLONG result64; 34 char c; 35 void *ptr; 36 float res1= -82.6267f, res2= 27.76f, res11, res12; 37 double double_res; 38 static const char pname[]=" St. Petersburg, Florida\n"; 39 int hour=21,min=59,sec=20; 40 int number,number_so_far; 41 HMODULE hmod = GetModuleHandleA("msvcrt.dll"); 42 43 p_sprintf = (void *)GetProcAddress( hmod, "sprintf" ); 44 p_sscanf = (void *)GetProcAddress( hmod, "sscanf" ); 45 46 /* check EOF */ 47 strcpy(buffer,""); 48 ret = p_sscanf(buffer, "%d", &result); 49 ok( ret == EOF,"sscanf returns %x instead of %x\n", ret, EOF ); 50 51 /* check %p */ 52 ok( p_sscanf("000000000046F170", "%p", &ptr) == 1, "sscanf failed\n" ); 53 ok( ptr == (void *)0x46F170,"sscanf reads %p instead of %x\n", ptr, 0x46F170 ); 54 55 ok( p_sscanf("0046F171", "%p", &ptr) == 1, "sscanf failed\n" ); 56 ok( ptr == (void *)0x46F171,"sscanf reads %p instead of %x\n", ptr, 0x46F171 ); 57 58 ok( p_sscanf("46F172", "%p", &ptr) == 1, "sscanf failed\n" ); 59 ok( ptr == (void *)0x46F172,"sscanf reads %p instead of %x\n", ptr, 0x46F172 ); 60 61 ok( p_sscanf("0x46F173", "%p", &ptr) == 1, "sscanf failed\n" ); 62 ok( ptr == NULL,"sscanf reads %p instead of %x\n", ptr, 0 ); 63 64 ok( p_sscanf("-46F174", "%p", &ptr) == 1, "sscanf failed\n" ); 65 ok( ptr == (void *)(ULONG_PTR)-0x46f174,"sscanf reads %p instead of %p\n", 66 ptr, (void *)(ULONG_PTR)-0x46f174 ); 67 68 ok( p_sscanf("+46F175", "%p", &ptr) == 1, "sscanf failed\n" ); 69 ok( ptr == (void *)0x46F175,"sscanf reads %p instead of %x\n", ptr, 0x46F175 ); 70 71 /* check %p with no hex digits */ 72 ok( p_sscanf("1233", "%p", &ptr) == 1, "sscanf failed\n" ); 73 ok( ptr == (void *)0x1233,"sscanf reads %p instead of %x\n", ptr, 0x1233 ); 74 75 ok( p_sscanf("1234", "%P", &ptr) == 1, "sscanf failed\n" ); 76 ok( ptr == (void *)0x1234,"sscanf reads %p instead of %x\n", ptr, 0x1234 ); 77 78 /* check %x */ 79 strcpy(buffer,"0x519"); 80 ok( p_sscanf(buffer, "%x", &result) == 1, "sscanf failed\n" ); 81 ok( result == 0x519,"sscanf reads %x instead of %x\n", result, 0x519 ); 82 83 strcpy(buffer,"0x51a"); 84 ok( p_sscanf(buffer, "%x", &result) == 1, "sscanf failed\n" ); 85 ok( result == 0x51a ,"sscanf reads %x instead of %x\n", result, 0x51a ); 86 87 strcpy(buffer,"0x51g"); 88 ok( p_sscanf(buffer, "%x", &result) == 1, "sscanf failed\n" ); 89 ok( result == 0x51, "sscanf reads %x instead of %x\n", result, 0x51 ); 90 91 result = 0; 92 ret = p_sscanf("-1", "%x", &result); 93 ok(ret == 1, "Wrong number of arguments read: %d (expected 1)\n", ret); 94 ok(result == -1, "Read %d, expected -1\n", result); 95 96 /* check % followed by any char */ 97 strcpy(buffer,"\"%12@"); 98 strcpy(format,"%\"%%%d%@"); /* work around gcc format check */ 99 ok( p_sscanf(buffer, format, &result) == 1, "sscanf failed\n" ); 100 ok( result == 12, "sscanf reads %x instead of %x\n", result, 12 ); 101 102 /* Check float */ 103 ret = p_sprintf(buffer,"%f %f",res1, res2); 104 ok( ret == 20, "expected 20, got %u\n", ret); 105 ret = p_sscanf(buffer,"%f%f",&res11, &res12); 106 ok( ret == 2, "expected 2, got %u\n", ret); 107 ok( (res11 == res1) && (res12 == res2), "Error reading floats\n"); 108 109 /* Check double */ 110 ret = p_sprintf(buffer, "%lf", 32.715); 111 ok(ret == 9, "expected 9, got %u\n", ret); 112 ret = p_sscanf(buffer, "%lf", &double_res); 113 ok(ret == 1, "expected 1, got %u\n", ret); 114 ok(double_res == 32.715, "Got %lf, expected %lf\n", double_res, 32.715); 115 ret = p_sscanf(buffer, "%Lf", &double_res); 116 ok(ret == 1, "expected 1, got %u\n", ret); 117 ok(double_res == 32.715, "Got %lf, expected %lf\n", double_res, 32.715); 118 119 strcpy(buffer, "1.1e-30"); 120 ret = p_sscanf(buffer, "%lf", &double_res); 121 ok(ret == 1, "expected 1, got %u\n", ret); 122 ok(double_res >= 1.1e-30-1e-45 && double_res <= 1.1e-30+1e-45, 123 "Got %.18le, expected %.18le\n", double_res, 1.1e-30); 124 125 /* check strings */ 126 ret = p_sprintf(buffer," %s", pname); 127 ok( ret == 26, "expected 26, got %u\n", ret); 128 ret = p_sscanf(buffer,"%*c%[^\n]",buffer1); 129 ok( ret == 1, "Error with format \"%s\"\n","%*c%[^\n]"); 130 ok( strncmp(pname,buffer1,strlen(buffer1)) == 0, "Error with \"%s\" \"%s\"\n",pname, buffer1); 131 132 ret = p_sscanf("abcefgdh","%*[a-cg-e]%c",&buffer[0]); 133 ok( ret == 1, "Error with format \"%s\"\n","%*[a-cg-e]%c"); 134 ok( buffer[0] == 'd', "Error with \"abcefgdh\" \"%c\"\n", buffer[0]); 135 136 ret = p_sscanf("abcefgdh","%*[a-cd-dg-e]%c",&buffer[0]); 137 ok( ret == 1, "Error with format \"%s\"\n","%*[a-cd-dg-e]%c"); 138 ok( buffer[0] == 'h', "Error with \"abcefgdh\" \"%c\"\n", buffer[0]); 139 140 buffer1[0] = 'b'; 141 ret = p_sscanf("a","%s%s", buffer, buffer1); 142 ok( ret == 1, "expected 1, got %u\n", ret); 143 ok( buffer[0] == 'a', "buffer[0] = '%c'\n", buffer[0]); 144 ok( buffer[1] == '\0', "buffer[1] = '%c'\n", buffer[1]); 145 ok( buffer1[0] == 'b', "buffer1[0] = '%c'\n", buffer1[0]); 146 147 /* check digits */ 148 ret = p_sprintf(buffer,"%d:%d:%d",hour,min,sec); 149 ok( ret == 8, "expected 8, got %u\n", ret); 150 ret = p_sscanf(buffer,"%d%n",&number,&number_so_far); 151 ok(ret == 1 , "problem with format arg \"%%d%%n\"\n"); 152 ok(number == hour,"Read wrong arg %d instead of %d\n",number, hour); 153 ok(number_so_far == 2,"Read wrong arg for \"%%n\" %d instead of 2\n",number_so_far); 154 155 ret = p_sscanf(buffer+2,"%*c%n",&number_so_far); 156 ok(ret == 0 , "problem with format arg \"%%*c%%n\"\n"); 157 ok(number_so_far == 1,"Read wrong arg for \"%%n\" %d instead of 2\n",number_so_far); 158 159 result = 0xdeadbeef; 160 strcpy(buffer,"12345678"); 161 ret = p_sscanf(buffer, "%hd", &result); 162 ok(ret == 1, "Wrong number of arguments read: %d\n", ret); 163 ok(result == 0xdead614e, "Wrong number read (%x)\n", result); 164 165 result = 0xdeadbeef; 166 ret = p_sscanf(buffer, "%hhd", &result); 167 ok(ret == 1, "Wrong number of arguments read: %d\n", ret); 168 ok(result == 0xbc614e, "Wrong number read (%x)\n", result); 169 170 strcpy(buffer,"12345678901234"); 171 ret = p_sscanf(buffer, "%lld", &result64); 172 ok(ret == 1, "Wrong number of arguments read: %d\n", ret); 173 ret = p_sprintf(buffer1, "%lld", result64); 174 ok(ret==14 || broken(ret==10), "sprintf returned %d\n", ret); 175 if(ret == 14) 176 ok(!strcmp(buffer, buffer1), "got %s, expected %s\n", buffer1, buffer); 177 178 /* Check %i according to bug 1878 */ 179 strcpy(buffer,"123"); 180 ret = p_sscanf(buffer, "%i", &result); 181 ok(ret == 1, "Wrong number of arguments read: %d\n", ret); 182 ok(result == 123, "Wrong number read\n"); 183 result = 0; 184 ret = p_sscanf("-1", "%i", &result); 185 ok(ret == 1, "Wrong number of arguments read: %d (expected 1)\n", ret); 186 ok(result == -1, "Read %d, expected -1\n", result); 187 ret = p_sscanf(buffer, "%d", &result); 188 ok(ret == 1, "Wrong number of arguments read: %d\n", ret); 189 ok(result == 123, "Wrong number read\n"); 190 result = 0; 191 ret = p_sscanf("-1", "%d", &result); 192 ok(ret == 1, "Wrong number of arguments read: %d (expected 1)\n", ret); 193 ok(result == -1, "Read %d, expected -1\n", result); 194 195 /* Check %i for octal and hexadecimal input */ 196 result = 0; 197 strcpy(buffer,"017"); 198 ret = p_sscanf(buffer, "%i", &result); 199 ok(ret == 1, "Wrong number of arguments read: %d\n", ret); 200 ok(result == 15, "Wrong number read\n"); 201 result = 0; 202 strcpy(buffer,"0x17"); 203 ret = p_sscanf(buffer, "%i", &result); 204 ok(ret == 1, "Wrong number of arguments read: %d\n", ret); 205 ok(result == 23, "Wrong number read\n"); 206 207 /* %o */ 208 result = 0; 209 ret = p_sscanf("-1", "%o", &result); 210 ok(ret == 1, "Wrong number of arguments read: %d (expected 1)\n", ret); 211 ok(result == -1, "Read %d, expected -1\n", result); 212 213 /* %u */ 214 result = 0; 215 ret = p_sscanf("-1", "%u", &result); 216 ok(ret == 1, "Wrong number of arguments read: %d (expected 1)\n", ret); 217 ok(result == -1, "Read %d, expected -1\n", result); 218 219 /* Check %c */ 220 strcpy(buffer,"a"); 221 c = 0x55; 222 ret = p_sscanf(buffer, "%c", &c); 223 ok(ret == 1, "Wrong number of arguments read: %d\n", ret); 224 ok(c == 'a', "Field incorrect: '%c'\n", c); 225 226 strcpy(buffer," a"); 227 c = 0x55; 228 ret = p_sscanf(buffer, "%c", &c); 229 ok(ret == 1, "Wrong number of arguments read: %d\n", ret); 230 ok(c == ' ', "Field incorrect: '%c'\n", c); 231 232 strcpy(buffer,"18:59"); 233 c = 0x55; 234 ret = p_sscanf(buffer, "%d:%d%c", &hour, &min, &c); 235 ok(ret == 2, "Wrong number of arguments read: %d\n", ret); 236 ok(hour == 18, "Field 1 incorrect: %d\n", hour); 237 ok(min == 59, "Field 2 incorrect: %d\n", min); 238 ok(c == 0x55, "Field 3 incorrect: 0x%02x\n", c); 239 240 /* Check %n (also whitespace in format strings and %s) */ 241 buffer[0]=0; buffer1[0]=0; 242 ret = p_sscanf("abc def", "%s %n%s", buffer, &number_so_far, buffer1); 243 ok(strcmp(buffer, "abc")==0, "First %%s read incorrectly: %s\n", buffer); 244 ok(strcmp(buffer1,"def")==0, "Second %%s read incorrectly: %s\n", buffer1); 245 ok(number_so_far==6, "%%n yielded wrong result: %d\n", number_so_far); 246 ok(ret == 2, "%%n shouldn't count as a conversion: %d\n", ret); 247 248 /* Check where %n matches to EOF in buffer */ 249 strcpy(buffer, "3:45"); 250 ret = p_sscanf(buffer, "%d:%d%n", &hour, &min, &number_so_far); 251 ok(ret == 2, "Wrong number of arguments read: %d\n", ret); 252 ok(number_so_far == 4, "%%n yielded wrong result: %d\n", number_so_far); 253 254 buffer[0] = 0; 255 buffer1[0] = 0; 256 ret = p_sscanf("test=value\xda", "%[^=] = %[^;]", buffer, buffer1); 257 ok(ret == 2, "got %d\n", ret); 258 ok(!strcmp(buffer, "test"), "buf %s\n", buffer); 259 ok(!strcmp(buffer1, "value\xda"), "buf %s\n", buffer1); 260 261 ret = p_sscanf("\x81\x82test", "\x81%\x82%s", buffer); 262 ok(ret == 1, "got %d\n", ret); 263 ok(!strcmp(buffer, "test"), "buf = %s\n", buffer); 264 } 265 266 static void test_sscanf_s(void) 267 { 268 int (WINAPIV *psscanf_s)(const char*,const char*,...); 269 HMODULE hmod = GetModuleHandleA("msvcrt.dll"); 270 int i, ret; 271 char buf[100]; 272 273 psscanf_s = (void*)GetProcAddress(hmod, "sscanf_s"); 274 if(!psscanf_s) { 275 win_skip("sscanf_s not available\n"); 276 return; 277 } 278 279 ret = psscanf_s("123", "%d", &i); 280 ok(ret == 1, "Wrong number of arguments read: %d\n", ret); 281 ok(i == 123, "i = %d\n", i); 282 283 ret = psscanf_s("123", "%s", buf, 100); 284 ok(ret == 1, "Wrong number of arguments read: %d\n", ret); 285 ok(!strcmp("123", buf), "buf = %s\n", buf); 286 287 ret = psscanf_s("123", "%s", buf, 3); 288 ok(ret == 0, "Wrong number of arguments read: %d\n", ret); 289 ok(buf[0]=='\0', "buf = %s\n", buf); 290 291 memset(buf, 'a', sizeof(buf)); 292 ret = psscanf_s("123", "%3c", buf, 2); 293 ok(ret == 0, "Wrong number of arguments read: %d\n", ret); 294 ok(buf[0]=='\0', "buf = %s\n", buf); 295 ok(buf[1]=='2', "buf[1] = %d\n", buf[1]); 296 ok(buf[2]=='a', "buf[2] = %d\n", buf[2]); 297 298 buf[3] = 'a'; 299 buf[4] = 0; 300 ret = psscanf_s("123", "%3c", buf, 3); 301 ok(!strcmp("123a", buf), "buf = %s\n", buf); 302 303 i = 1; 304 ret = psscanf_s("123 123", "%s %d", buf, 2, &i); 305 ok(ret == 0, "Wrong number of arguments read: %d\n", ret); 306 ok(i==1, "i = %d\n", i); 307 308 i = 1; 309 ret = psscanf_s("123 123", "%d %s", &i, buf, 2); 310 ok(ret == 1, "Wrong number of arguments read: %d\n", ret); 311 ok(i==123, "i = %d\n", i); 312 } 313 314 static void test_swscanf( void ) 315 { 316 wchar_t buffer[100]; 317 int result, ret; 318 static const WCHAR formatd[] = {'%','d',0}; 319 const WCHAR format2[] = {'a',0x1234,'%',0x1234,'%','c',0}; 320 WCHAR c; 321 322 /* check WEOF */ 323 /* WEOF is an unsigned short -1 but swscanf returns int 324 so it should be sign-extended */ 325 buffer[0] = 0; 326 ret = swscanf(buffer, formatd, &result); 327 /* msvcrt returns 0 but should return -1 (later versions do) */ 328 ok( ret == (short)WEOF || broken(ret == 0), 329 "swscanf returns %x instead of %x\n", ret, WEOF ); 330 331 buffer[0] = 'a'; 332 buffer[1] = 0x1234; 333 buffer[2] = 0x1234; 334 buffer[3] = 'b'; 335 ret = swscanf(buffer, format2, &c); 336 ok(ret == 1, "swscanf returned %d\n", ret); 337 ok(c == 'b', "c = %x\n", c); 338 } 339 340 static void test_swscanf_s(void) 341 { 342 static const wchar_t fmt1[] = {'%','c',0}; 343 static const wchar_t fmt2[] = {'%','[','a','-','z',']',0}; 344 345 int (WINAPIV *pswscanf_s)(const wchar_t*,const wchar_t*,...); 346 HMODULE hmod = GetModuleHandleA("msvcrt.dll"); 347 wchar_t buf[2], out[2]; 348 int ret; 349 350 pswscanf_s = (void*)GetProcAddress(hmod, "swscanf_s"); 351 if(!pswscanf_s) { 352 win_skip("swscanf_s not available\n"); 353 return; 354 } 355 356 buf[0] = 'a'; 357 buf[1] = '1'; 358 out[1] = 'b'; 359 ret = pswscanf_s(buf, fmt1, out, 1); 360 ok(ret == 1, "swscanf_s returned %d\n", ret); 361 ok(out[0] == 'a', "out[0] = %x\n", out[0]); 362 ok(out[1] == 'b', "out[1] = %x\n", out[1]); 363 364 ret = pswscanf_s(buf, fmt2, out, 1); 365 ok(!ret, "swscanf_s returned %d\n", ret); 366 367 ret = pswscanf_s(buf, fmt2, out, 2); 368 ok(ret == 1, "swscanf_s returned %d\n", ret); 369 ok(out[0] == 'a', "out[0] = %x\n", out[0]); 370 ok(!out[1], "out[1] = %x\n", out[1]); 371 } 372 373 START_TEST(scanf) 374 { 375 test_sscanf(); 376 test_sscanf_s(); 377 test_swscanf(); 378 test_swscanf_s(); 379 } 380