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