1 /** 2 * Copyright 2020 Huawei Technologies Co., Ltd 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef __SECUREC_H__5D13A042_DC3F_4ED9_A8D1_882811274C27 18 #define __SECUREC_H__5D13A042_DC3F_4ED9_A8D1_882811274C27 19 20 #include "securectype.h" 21 #include <stdarg.h> 22 23 #ifndef SECUREC_HAVE_ERRNO_H 24 #if SECUREC_IN_KERNEL 25 #define SECUREC_HAVE_ERRNO_H 0 26 #else 27 #define SECUREC_HAVE_ERRNO_H 1 28 #endif 29 #endif 30 31 /* EINVAL ERANGE may defined in errno.h */ 32 #if SECUREC_HAVE_ERRNO_H 33 #include <errno.h> 34 #endif 35 36 /* define error code */ 37 #if defined(SECUREC_NEED_ERRNO_TYPE) || !defined(__STDC_WANT_LIB_EXT1__) || \ 38 (defined(__STDC_WANT_LIB_EXT1__) && (__STDC_WANT_LIB_EXT1__ == 0)) 39 #ifndef SECUREC_DEFINED_ERRNO_TYPE 40 #define SECUREC_DEFINED_ERRNO_TYPE 41 /* just check whether macrodefinition exists. */ 42 #ifndef errno_t 43 typedef int errno_t; 44 #endif 45 #endif 46 #endif 47 48 /* success */ 49 #ifndef EOK 50 #define EOK 0 51 #endif 52 53 #ifndef EINVAL 54 /* The src buffer is not correct and destination buffer cant not be reset */ 55 #define EINVAL 22 56 #endif 57 58 #ifndef EINVAL_AND_RESET 59 /* Once the error is detected, the dest buffer must be reseted! */ 60 #define EINVAL_AND_RESET (22 | 128) 61 #endif 62 63 #ifndef ERANGE 64 /* The destination buffer is not long enough and destination buffer can not be reset */ 65 #define ERANGE 34 66 #endif 67 68 #ifndef ERANGE_AND_RESET 69 /* Once the error is detected, the dest buffer must be reseted! */ 70 #define ERANGE_AND_RESET (34 | 128) 71 #endif 72 73 #ifndef EOVERLAP_AND_RESET 74 /* Once the buffer overlap is detected, the dest buffer must be reseted! */ 75 #define EOVERLAP_AND_RESET (54 | 128) 76 #endif 77 78 /* if you need export the function of this library in Win32 dll, use __declspec(dllexport) */ 79 #ifndef SECUREC_API 80 #if defined(SECUREC_DLL_EXPORT) 81 #define SECUREC_API __declspec(dllexport) 82 #elif defined(SECUREC_DLL_IMPORT) 83 #define SECUREC_API __declspec(dllimport) 84 #else 85 /* Standardized function declaration . If a security function is declared in the your code, 86 * it may cause a compilation alarm,Please delete the security function you declared 87 * Adding extern under windows will cause the system to have inline functions to expand, 88 * so do not add the extern in default 89 */ 90 #if defined(_MSC_VER) 91 #define SECUREC_API 92 #else 93 #define SECUREC_API extern 94 #endif 95 #endif 96 #endif 97 98 #ifdef __cplusplus 99 extern "C" { 100 #endif 101 /* 102 * Description: The GetHwSecureCVersion function get SecureC Version string and version number. 103 * Parameter: verNumber - to store version number 104 * Return: version string 105 */ 106 SECUREC_API const char *GetHwSecureCVersion(unsigned short *verNumber); 107 108 #if SECUREC_ENABLE_MEMSET 109 /* 110 * Description: The memset_s function copies the value of c (converted to an unsigned char) into each of 111 * the first count characters of the object pointed to by dest. 112 * Parameter: dest - destination address 113 * Parameter: destMax -The maximum length of destination buffer 114 * Parameter: c - the value to be copied 115 * Parameter: count -copies fisrt count characters of dest 116 * Return: EOK if there was no runtime-constraint violation 117 */ 118 SECUREC_API errno_t memset_s(void *dest, size_t destMax, int c, size_t count); 119 #endif 120 121 #ifndef SECUREC_ONLY_DECLARE_MEMSET 122 #define SECUREC_ONLY_DECLARE_MEMSET 0 123 #endif 124 125 #if SECUREC_ONLY_DECLARE_MEMSET == 0 126 127 #if SECUREC_ENABLE_MEMMOVE 128 /* 129 * Description: The memmove_s function copies n characters from the object pointed to by src 130 * into the object pointed to by dest. 131 * Parameter: dest - destination address 132 * Parameter: destMax -The maximum length of destination buffer 133 * Parameter: src -source address 134 * Parameter: count -copies count wide characters from the src 135 * Return: EOK if there was no runtime-constraint violation 136 */ 137 SECUREC_API errno_t memmove_s(void *dest, size_t destMax, const void *src, size_t count); 138 #endif 139 140 #if SECUREC_ENABLE_MEMCPY 141 /* 142 * Description: The memcpy_s function copies n characters from the object pointed to 143 * by src into the object pointed to by dest. 144 * Parameter: dest - destination address 145 * Parameter: destMax -The maximum length of destination buffer 146 * Parameter: src -source address 147 * Parameter: count -copies count characters from the src 148 * Return: EOK if there was no runtime-constraint violation 149 */ 150 SECUREC_API errno_t memcpy_s(void *dest, size_t destMax, const void *src, size_t count); 151 #endif 152 153 #if SECUREC_ENABLE_STRCPY 154 /* 155 * Description: The strcpy_s function copies the string pointed to by strSrc (including 156 * the terminating null character) into the array pointed to by strDest 157 * Parameter: strDest - destination address 158 * Parameter: destMax -The maximum length of destination buffer(including the terminating null character) 159 * Parameter: strSrc -source address 160 * Return: EOK if there was no runtime-constraint violation 161 */ 162 SECUREC_API errno_t strcpy_s(char *strDest, size_t destMax, const char *strSrc); 163 #endif 164 165 #if SECUREC_ENABLE_STRNCPY 166 /* 167 * Description: The strncpy_s function copies not more than n successive characters (not including 168 * the terminating null character) 169 * from the array pointed to by strSrc to the array pointed to by strDest 170 * Parameter: strDest - destination address 171 * Parameter: destMax -The maximum length of destination buffer(including the terminating null character) 172 * Parameter: strSrc -source address 173 * Parameter: count -copies count characters from the src 174 * Return: EOK if there was no runtime-constraint violation 175 */ 176 SECUREC_API errno_t strncpy_s(char *strDest, size_t destMax, const char *strSrc, size_t count); 177 #endif 178 179 #if SECUREC_ENABLE_STRCAT 180 /* 181 * Description: The strcat_s function appends a copy of the string pointed to by strSrc (including 182 * the terminating null character) 183 * to the end of the string pointed to by strDest 184 * Parameter: strDest - destination address 185 * Parameter: destMax -The maximum length of destination buffer(including the terminating null wide character) 186 * Parameter: strSrc -source address 187 * Return: EOK if there was no runtime-constraint violation 188 */ 189 SECUREC_API errno_t strcat_s(char *strDest, size_t destMax, const char *strSrc); 190 #endif 191 192 #if SECUREC_ENABLE_STRNCAT 193 /* 194 * Description: The strncat_s function appends not more than n successive characters (not including 195 * the terminating null character) 196 * from the array pointed to by strSrc to the end of the string pointed to by strDest. 197 * Parameter: strDest - destination address 198 * Parameter: destMax -The maximum length of destination buffer(including the terminating null character) 199 * Parameter: strSrc -source address 200 * Parameter: count -copies count characters from the src 201 * Return: EOK if there was no runtime-constraint violation 202 */ 203 SECUREC_API errno_t strncat_s(char *strDest, size_t destMax, const char *strSrc, size_t count); 204 #endif 205 206 #if SECUREC_ENABLE_VSPRINTF 207 /* 208 * Description: The vsprintf_s function is equivalent to the vsprintf function except for the Parameter: destMax 209 * and the explicit runtime-constraints violation 210 * Parameter: strDest - produce output according to a format ,write to the character string strDest 211 * Parameter: destMax - The maximum length of destination buffer(including the terminating null wide characte) 212 * Parameter: format - fromat string 213 * Parameter: argList - instead of a variable number of arguments 214 * Return: the number of characters printed(not including the terminating null byte ('\0')), 215 * If an error occurred Return: -1. 216 */ 217 SECUREC_API int vsprintf_s(char *strDest, size_t destMax, const char *format, 218 va_list argList) SECUREC_ATTRIBUTE(3, 0); 219 #endif 220 221 #if SECUREC_ENABLE_SPRINTF 222 /* 223 * Description: The sprintf_s function is equivalent to the sprintf function except for the Parameter: destMax 224 * and the explicit runtime-constraints violation 225 * Parameter: strDest - produce output according to a format ,write to the character string strDest 226 * Parameter: destMax - The maximum length of destination buffer(including the terminating null byte ('\0')) 227 * Parameter: format - fromat string 228 * Return: the number of characters printed(not including the terminating null byte ('\0')), 229 * If an error occurred Return: -1. 230 */ 231 SECUREC_API int sprintf_s(char *strDest, size_t destMax, const char *format, ...) SECUREC_ATTRIBUTE(3, 4); 232 #endif 233 234 #if SECUREC_ENABLE_VSNPRINTF 235 /* 236 * Description: The vsnprintf_s function is equivalent to the vsnprintf function except for the Parameter: 237 * destMax/count and the explicit runtime-constraints violation 238 * Parameter: strDest - produce output according to a format ,write to the character string strDest 239 * Parameter: destMax - The maximum length of destination buffer(including the terminating null byte ('\0')) 240 * Parameter: count - do not write more than count bytes to strDest(not including the terminating null byte ('\0')) 241 * Parameter: format - fromat string 242 * Parameter: argList - instead of a variable number of arguments 243 * Return: the number of characters printed(not including the terminating null byte ('\0')), 244 * If an error occurred Return: -1.Pay special attention to returning -1 when truncation occurs 245 */ 246 SECUREC_API int vsnprintf_s(char *strDest, size_t destMax, size_t count, const char *format, 247 va_list argList) SECUREC_ATTRIBUTE(4, 0); 248 #endif 249 250 #if SECUREC_ENABLE_SNPRINTF 251 /* 252 * Description: The snprintf_s function is equivalent to the snprintf function except for the Parameter: 253 * destMax/count and the explicit runtime-constraints violation 254 * Parameter: strDest - produce output according to a format ,write to the character string strDest 255 * Parameter: destMax - The maximum length of destination buffer(including the terminating null byte ('\0')) 256 * Parameter: count - do not write more than count bytes to strDest(not including the terminating null byte ('\0')) 257 * Parameter: format - fromat string 258 * Return: the number of characters printed(not including the terminating null byte ('\0')), 259 * If an error occurred Return: -1.Pay special attention to returning -1 when truncation occurs 260 */ 261 SECUREC_API int snprintf_s(char *strDest, size_t destMax, size_t count, const char *format, 262 ...) SECUREC_ATTRIBUTE(4, 5); 263 #endif 264 265 #if SECUREC_SNPRINTF_TRUNCATED 266 /* 267 * Description: The vsnprintf_truncated_s function is equivalent to the vsnprintf_s function except 268 * no count Parameter: and Return: value 269 * Parameter: strDest - produce output according to a format ,write to the character string strDest 270 * Parameter: destMax - The maximum length of destination buffer(including the terminating null byte ('\0')) 271 * Parameter: format - fromat string 272 * Parameter: argList - instead of a variable number of arguments 273 * Return: the number of characters printed(not including the terminating null byte ('\0')), 274 * If an error occurred Return: -1.Pay special attention to returning destMax - 1 when truncation occurs 275 */ 276 SECUREC_API int vsnprintf_truncated_s(char *strDest, size_t destMax, const char *format, 277 va_list argList) SECUREC_ATTRIBUTE(3, 0); 278 279 /* 280 * Description: The snprintf_truncated_s function is equivalent to the snprintf_2 function except 281 * no count Parameter: and Return: value 282 * Parameter: strDest - produce output according to a format ,write to the character string strDest 283 * Parameter: destMax - The maximum length of destination buffer(including the terminating null byte ('\0')) 284 * Parameter: format - fromat string 285 * Return: the number of characters printed(not including the terminating null byte ('\0')), 286 * If an error occurred Return: -1.Pay special attention to returning destMax - 1 when truncation occurs 287 */ 288 SECUREC_API int snprintf_truncated_s(char *strDest, size_t destMax, 289 const char *format, ...) SECUREC_ATTRIBUTE(3, 4); 290 #endif 291 292 #if SECUREC_ENABLE_SCANF 293 /* 294 * Description: The scanf_s function is equivalent to fscanf_s with the argument stdin 295 * interposed before the arguments to scanf_s 296 * Parameter: format - fromat string 297 * Return: the number of input items assigned, If an error occurred Return: -1. 298 */ 299 SECUREC_API int scanf_s(const char *format, ...); 300 #endif 301 302 #if SECUREC_ENABLE_VSCANF 303 /* 304 * Description: The vscanf_s function is equivalent to scanf_s, with the variable argument list replaced by argList 305 * Parameter: format - fromat string 306 * Parameter: argList - instead of a variable number of arguments 307 * Return: the number of input items assigned, If an error occurred Return: -1. 308 */ 309 SECUREC_API int vscanf_s(const char *format, va_list argList); 310 #endif 311 312 #if SECUREC_ENABLE_SSCANF 313 /* 314 * Description: The sscanf_s function is equivalent to fscanf_s, except that input is obtained from a 315 * string (specified by the argument buffer) rather than from a stream 316 * Parameter: buffer - read character from buffer 317 * Parameter: format - fromat string 318 * Return: the number of input items assigned, If an error occurred Return: -1. 319 */ 320 SECUREC_API int sscanf_s(const char *buffer, const char *format, ...); 321 #endif 322 323 #if SECUREC_ENABLE_VSSCANF 324 /* 325 * Description: The vsscanf_s function is equivalent to sscanf_s, with the variable argument list 326 * replaced by argList 327 * Parameter: buffer - read character from buffer 328 * Parameter: format - fromat string 329 * Parameter: argList - instead of a variable number of arguments 330 * Return: the number of input items assigned, If an error occurred Return: -1. 331 */ 332 SECUREC_API int vsscanf_s(const char *buffer, const char *format, va_list argList); 333 #endif 334 335 #if SECUREC_ENABLE_FSCANF 336 /* 337 * Description: The fscanf_s function is equivalent to fscanf except that the c, s, and [ conversion specifiers 338 * apply to a pair of arguments (unless assignment suppression is indicated by a*) 339 * Parameter: stream - stdio file stream 340 * Parameter: format - fromat string 341 * Return: the number of input items assigned, If an error occurred Return: -1. 342 */ 343 SECUREC_API int fscanf_s(FILE *stream, const char *format, ...); 344 #endif 345 346 #if SECUREC_ENABLE_VFSCANF 347 /* 348 * Description: The vfscanf_s function is equivalent to fscanf_s, with the variable argument list 349 * replaced by argList 350 * Parameter: stream - stdio file stream 351 * Parameter: format - fromat string 352 * Parameter: argList - instead of a variable number of arguments 353 * Return: the number of input items assigned, If an error occurred Return: -1. 354 */ 355 SECUREC_API int vfscanf_s(FILE *stream, const char *format, va_list argList); 356 #endif 357 358 #if SECUREC_ENABLE_STRTOK 359 /* 360 * Description: The strtok_s function parses a string into a sequence of strToken, 361 * replace all characters in strToken string that match to strDelimit set with 0. 362 * On the first call to strtok_s the string to be parsed should be specified in strToken. 363 * In each subsequent call that should parse the same string, strToken should be NULL 364 * Parameter: strToken - the string to be delimited 365 * Parameter: strDelimit -specifies a set of characters that delimit the tokens in the parsed string 366 * Parameter: context -is a pointer to a char * variable that is used internally by strtok_s function 367 * Return: On the first call returns the address of the first non \0 character, otherwise NULL is returned. 368 * In subsequent calls, the strtoken is set to NULL, and the context set is the same as the previous call, 369 * return NULL if the *context string length is equal 0, otherwise return *context. 370 */ 371 SECUREC_API char *strtok_s(char *strToken, const char *strDelimit, char **context); 372 #endif 373 374 #if SECUREC_ENABLE_GETS && SECUREC_IN_KERNEL == 0 375 /* 376 * Description: The gets_s function reads at most one less than the number of characters specified 377 * by destMax from the stream pointed to by stdin, into the array pointed to by buffer 378 * Parameter: buffer - destination address 379 * Parameter: destMax -The maximum length of destination buffer(including the terminating null character) 380 * Return: buffer if there was no runtime-constraint violation,If an error occurred Return: NULL. 381 */ 382 SECUREC_API char *gets_s(char *buffer, size_t destMax); 383 #endif 384 385 386 #if SECUREC_ENABLE_WCHAR_FUNC 387 #if SECUREC_ENABLE_MEMCPY 388 /* 389 * Description: The wmemcpy_s function copies n successive wide characters from the object pointed to 390 * by src into the object pointed to by dest. 391 * Parameter: dest - destination address 392 * Parameter: destMax -The maximum length of destination buffer 393 * Parameter: src -source address 394 * Parameter: count -copies count wide characters from the src 395 * Return: EOK if there was no runtime-constraint violation 396 */ 397 SECUREC_API errno_t wmemcpy_s(wchar_t *dest, size_t destMax, const wchar_t *src, size_t count); 398 #endif 399 400 #if SECUREC_ENABLE_MEMMOVE 401 /* 402 * Description: The wmemmove_s function copies n successive wide characters from the object 403 * pointed to by src into the object pointed to by dest. 404 * Parameter: dest - destination address 405 * Parameter: destMax -The maximum length of destination buffer 406 * Parameter: src -source address 407 * Parameter: count -copies count wide characters from the src 408 * Return: EOK if there was no runtime-constraint violation 409 */ 410 SECUREC_API errno_t wmemmove_s(wchar_t *dest, size_t destMax, const wchar_t *src, size_t count); 411 #endif 412 413 #if SECUREC_ENABLE_STRCPY 414 /* 415 * Description: The wcscpy_s function copies the wide string pointed to by strSrc (including theterminating 416 * null wide character) into the array pointed to by strDest 417 * Parameter: strDest - destination address 418 * Parameter: destMax -The maximum length of destination buffer 419 * Parameter: strSrc -source address 420 * Return: EOK if there was no runtime-constraint violation 421 */ 422 SECUREC_API errno_t wcscpy_s(wchar_t *strDest, size_t destMax, const wchar_t *strSrc); 423 #endif 424 425 #if SECUREC_ENABLE_STRNCPY 426 /* 427 * Description: The wcsncpy_s function copies not more than n successive wide characters (not including the 428 * terminating null wide character) from the array pointed to by strSrc to the array pointed to by strDest 429 * Parameter: strDest - destination address 430 * Parameter: destMax -The maximum length of destination buffer(including the terminating wide character) 431 * Parameter: strSrc -source address 432 * Parameter: count -copies count wide characters from the src 433 * Return: EOK if there was no runtime-constraint violation 434 */ 435 SECUREC_API errno_t wcsncpy_s(wchar_t *strDest, size_t destMax, const wchar_t *strSrc, size_t count); 436 #endif 437 438 #if SECUREC_ENABLE_STRCAT 439 /* 440 * Description: The wcscat_s function appends a copy of the wide string pointed to by strSrc (including the 441 * terminating null wide character) to the end of the wide string pointed to by strDest 442 * Parameter: strDest - destination address 443 * Parameter: destMax -The maximum length of destination buffer(including the terminating wide character) 444 * Parameter: strSrc -source address 445 * Return: EOK if there was no runtime-constraint violation 446 */ 447 SECUREC_API errno_t wcscat_s(wchar_t *strDest, size_t destMax, const wchar_t *strSrc); 448 #endif 449 450 #if SECUREC_ENABLE_STRNCAT 451 /* 452 * Description: The wcsncat_s function appends not more than n successive wide characters (not including the 453 * terminating null wide character) from the array pointed to by strSrc to the end of the wide string pointed to 454 * by strDest. 455 * Parameter: strDest - destination address 456 * Parameter: destMax -The maximum length of destination buffer(including the terminating wide character) 457 * Parameter: strSrc -source address 458 * Parameter: count -copies count wide characters from the src 459 * Return: EOK if there was no runtime-constraint violation 460 */ 461 SECUREC_API errno_t wcsncat_s(wchar_t *strDest, size_t destMax, const wchar_t *strSrc, size_t count); 462 #endif 463 464 #if SECUREC_ENABLE_STRTOK 465 /* 466 * Description: The wcstok_s function is the wide-character equivalent of the strtok_s function 467 * Parameter: strToken - the string to be delimited 468 * Parameter: strDelimit -specifies a set of characters that delimit the tokens in the parsed string 469 * Parameter: context -is a pointer to a char * variable that is used internally by strtok_s function 470 * Return: a pointer to the first character of a token, or a null pointer if there is no token 471 * or there is a runtime-constraint violation. 472 */ 473 SECUREC_API wchar_t *wcstok_s(wchar_t *strToken, const wchar_t *strDelimit, wchar_t **context); 474 #endif 475 476 #if SECUREC_ENABLE_VSPRINTF 477 /* 478 * Description: The vswprintf_s function is the wide-character equivalent of the vsprintf_s function 479 * Parameter: strDest - produce output according to a format ,write to the character string strDest 480 * Parameter: destMax - The maximum length of destination buffer(including the terminating null ) 481 * Parameter: format - fromat string 482 * Parameter: argList - instead of a variable number of arguments 483 * Return: the number of characters printed(not including the terminating null wide characte), 484 * If an error occurred Return: -1. 485 */ 486 SECUREC_API int vswprintf_s(wchar_t *strDest, size_t destMax, const wchar_t *format, va_list argList); 487 #endif 488 489 #if SECUREC_ENABLE_SPRINTF 490 491 /* 492 * Description: The swprintf_s function is the wide-character equivalent of the sprintf_s function 493 * Parameter: strDest - produce output according to a format ,write to the character string strDest 494 * Parameter: destMax - The maximum length of destination buffer(including the terminating null ) 495 * Parameter: format - fromat string 496 * Return: the number of characters printed(not including the terminating null wide characte), 497 * If an error occurred Return: -1. 498 */ 499 SECUREC_API int swprintf_s(wchar_t *strDest, size_t destMax, const wchar_t *format, ...); 500 #endif 501 502 #if SECUREC_ENABLE_FSCANF 503 /* 504 * Description: The fwscanf_s function is the wide-character equivalent of the fscanf_s function 505 * Parameter: stream - stdio file stream 506 * Parameter: format - fromat string 507 * Return: the number of input items assigned, If an error occurred Return: -1. 508 */ 509 SECUREC_API int fwscanf_s(FILE *stream, const wchar_t *format, ...); 510 #endif 511 512 #if SECUREC_ENABLE_VFSCANF 513 /* 514 * Description: The vfwscanf_s function is the wide-character equivalent of the vfscanf_s function 515 * Parameter: stream - stdio file stream 516 * Parameter: format - fromat string 517 * Parameter: argList - instead of a variable number of arguments 518 * Return: the number of input items assigned, If an error occurred Return: -1. 519 */ 520 SECUREC_API int vfwscanf_s(FILE *stream, const wchar_t *format, va_list argList); 521 #endif 522 523 #if SECUREC_ENABLE_SCANF 524 /* 525 * Description: The wscanf_s function is the wide-character equivalent of the scanf_s function 526 * Parameter: format - fromat string 527 * Return: the number of input items assigned, If an error occurred Return: -1. 528 */ 529 SECUREC_API int wscanf_s(const wchar_t *format, ...); 530 #endif 531 532 #if SECUREC_ENABLE_VSCANF 533 /* 534 * Description: The vwscanf_s function is the wide-character equivalent of the vscanf_s function 535 * Parameter: format - fromat string 536 * Parameter: argList - instead of a variable number of arguments 537 * Return: the number of input items assigned, If an error occurred Return: -1. 538 */ 539 SECUREC_API int vwscanf_s(const wchar_t *format, va_list argList); 540 #endif 541 542 #if SECUREC_ENABLE_SSCANF 543 /* 544 * Description: The swscanf_s function is the wide-character equivalent of the sscanf_s function 545 * Parameter: buffer - read character from buffer 546 * Parameter: format - fromat string 547 * Return: the number of input items assigned, If an error occurred Return: -1. 548 */ 549 SECUREC_API int swscanf_s(const wchar_t *buffer, const wchar_t *format, ...); 550 #endif 551 552 #if SECUREC_ENABLE_VSSCANF 553 /* 554 * Description: The vswscanf_s function is the wide-character equivalent of the vsscanf_s function 555 * Parameter: buffer - read character from buffer 556 * Parameter: format - fromat string 557 * Parameter: argList - instead of a variable number of arguments 558 * Return: the number of input items assigned, If an error occurred Return: -1. 559 */ 560 SECUREC_API int vswscanf_s(const wchar_t *buffer, const wchar_t *format, va_list argList); 561 #endif 562 #endif /* SECUREC_ENABLE_WCHAR_FUNC */ 563 #endif 564 565 /* those functions are used by macro ,must declare hare , also for without function declaration warning */ 566 extern errno_t strncpy_error(char *strDest, size_t destMax, const char *strSrc, size_t count); 567 extern errno_t strcpy_error(char *strDest, size_t destMax, const char *strSrc); 568 569 #if SECUREC_WITH_PERFORMANCE_ADDONS 570 /* those functions are used by macro */ 571 extern errno_t memset_sOptAsm(void *dest, size_t destMax, int c, size_t count); 572 extern errno_t memset_sOptTc(void *dest, size_t destMax, int c, size_t count); 573 extern errno_t memcpy_sOptAsm(void *dest, size_t destMax, const void *src, size_t count); 574 extern errno_t memcpy_sOptTc(void *dest, size_t destMax, const void *src, size_t count); 575 576 /* strcpy_sp is a macro, NOT a function in performance optimization mode. */ 577 #define strcpy_sp(dest, destMax, src) ((__builtin_constant_p((destMax)) && \ 578 __builtin_constant_p((src))) ? \ 579 SECUREC_STRCPY_SM((dest), (destMax), (src)) : \ 580 strcpy_s((dest), (destMax), (src))) 581 582 /* strncpy_sp is a macro, NOT a function in performance optimization mode. */ 583 #define strncpy_sp(dest, destMax, src, count) ((__builtin_constant_p((count)) && \ 584 __builtin_constant_p((destMax)) && \ 585 __builtin_constant_p((src))) ? \ 586 SECUREC_STRNCPY_SM((dest), (destMax), (src), (count)) : \ 587 strncpy_s((dest), (destMax), (src), (count))) 588 589 /* strcat_sp is a macro, NOT a function in performance optimization mode. */ 590 #define strcat_sp(dest, destMax, src) ((__builtin_constant_p((destMax)) && \ 591 __builtin_constant_p((src))) ? \ 592 SECUREC_STRCAT_SM((dest), (destMax), (src)) : \ 593 strcat_s((dest), (destMax), (src))) 594 595 /* strncat_sp is a macro, NOT a function in performance optimization mode. */ 596 #define strncat_sp(dest, destMax, src, count) ((__builtin_constant_p((count)) && \ 597 __builtin_constant_p((destMax)) && \ 598 __builtin_constant_p((src))) ? \ 599 SECUREC_STRNCAT_SM((dest), (destMax), (src), (count)) : \ 600 strncat_s((dest), (destMax), (src), (count))) 601 602 /* memcpy_sp is a macro, NOT a function in performance optimization mode. */ 603 #define memcpy_sp(dest, destMax, src, count) (__builtin_constant_p((count)) ? \ 604 (SECUREC_MEMCPY_SM((dest), (destMax), (src), (count))) : \ 605 (__builtin_constant_p((destMax)) ? \ 606 (((size_t)(destMax) > 0 && \ 607 (((unsigned long long)(destMax) & \ 608 (unsigned long long)(-2)) < SECUREC_MEM_MAX_LEN)) ? \ 609 memcpy_sOptTc((dest), (destMax), (src), (count)) : ERANGE) : \ 610 memcpy_sOptAsm((dest), (destMax), (src), (count)))) 611 612 /* memset_sp is a macro, NOT a function in performance optimization mode. */ 613 #define memset_sp(dest, destMax, c, count) (__builtin_constant_p((count)) ? \ 614 (SECUREC_MEMSET_SM((dest), (destMax), (c), (count))) : \ 615 (__builtin_constant_p((destMax)) ? \ 616 (((size_t)(destMax) > 0 && \ 617 (((unsigned long long)(destMax) & \ 618 (unsigned long long)(-2)) < SECUREC_MEM_MAX_LEN)) ? \ 619 memset_sOptTc((dest), (destMax), (c), (count)) : ERANGE) : \ 620 memset_sOptAsm((dest), (destMax), (c), (count)))) 621 #else 622 #define strcpy_sp strcpy_s 623 #define strncpy_sp strncpy_s 624 #define strcat_sp strcat_s 625 #define strncat_sp strncat_s 626 #define memcpy_sp memcpy_s 627 #define memset_sp memset_s 628 #endif 629 630 #ifdef __cplusplus 631 } 632 #endif /* __cplusplus */ 633 #endif /* __SECUREC_H__5D13A042_DC3F_4ED9_A8D1_882811274C27 */ 634 635