1 2 //===----------------------------------------------------------------------===// 3 // 4 // The LLVM Compiler Infrastructure 5 // 6 // This file is dual licensed under the MIT and the University of Illinois Open 7 // Source Licenses. See LICENSE.txt for details. 8 // 9 //===----------------------------------------------------------------------===// 10 11 12 #ifndef KMP_SAFE_C_API_H 13 #define KMP_SAFE_C_API_H 14 15 // 16 // Replacement for banned C API 17 // 18 19 // Not every unsafe call listed here is handled now, but keeping everything 20 // in one place should be handy for future maintenance. 21 #if KMP_OS_WINDOWS 22 23 # define RSIZE_MAX_STR ( 4UL << 10 ) // 4KB 24 25 // _malloca was suggested, but it is not a drop-in replacement for _alloca 26 # define KMP_ALLOCA _alloca 27 28 # define KMP_MEMCPY_S memcpy_s 29 # define KMP_SNPRINTF sprintf_s 30 # define KMP_SSCANF sscanf_s 31 # define KMP_STRCPY_S strcpy_s 32 # define KMP_STRNCPY_S strncpy_s 33 34 // Use this only when buffer size is unknown 35 # define KMP_MEMCPY(dst, src, cnt) memcpy_s(dst, cnt, src, cnt) 36 37 # define KMP_STRLEN(str) strnlen_s(str, RSIZE_MAX_STR) 38 39 // Use this only when buffer size is unknown 40 # define KMP_STRNCPY(dst, src, cnt) strncpy_s(dst, cnt, src, cnt) 41 42 // _TRUNCATE insures buffer size > max string to print. 43 # define KMP_VSNPRINTF(dst, cnt, fmt, arg) vsnprintf_s(dst, cnt, _TRUNCATE, fmt, arg) 44 45 #else // KMP_OS_WINDOWS 46 47 // For now, these macros use the existing API. 48 49 # define KMP_ALLOCA alloca 50 # define KMP_MEMCPY_S(dst, bsz, src, cnt) memcpy(dst, src, cnt) 51 # define KMP_SNPRINTF snprintf 52 # define KMP_SSCANF sscanf 53 # define KMP_STRCPY_S(dst, bsz, src) strcpy(dst, src) 54 # define KMP_STRNCPY_S(dst, bsz, src, cnt) strncpy(dst, src, cnt) 55 # define KMP_VSNPRINTF vsnprintf 56 # define KMP_STRNCPY strncpy 57 # define KMP_STRLEN strlen 58 # define KMP_MEMCPY memcpy 59 60 #endif // KMP_OS_WINDOWS 61 62 #endif // KMP_SAFE_C_API_H 63