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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.txt for details.
//
//===----------------------------------------------------------------------===//
#ifndef KMP_SAFE_C_API_H
#define KMP_SAFE_C_API_H
// Replacement for banned C API
// Not every unsafe call listed here is handled now, but keeping everything
// in one place should be handy for future maintenance.
#if KMP_OS_WINDOWS
#define RSIZE_MAX_STR (4UL << 10) // 4KB
// _malloca was suggested, but it is not a drop-in replacement for _alloca
#define KMP_ALLOCA _alloca
#define KMP_MEMCPY_S memcpy_s
#define KMP_SNPRINTF sprintf_s
#define KMP_SSCANF sscanf_s
#define KMP_STRCPY_S strcpy_s
#define KMP_STRNCPY_S strncpy_s
// Use this only when buffer size is unknown
#define KMP_MEMCPY(dst, src, cnt) memcpy_s(dst, cnt, src, cnt)
#define KMP_STRLEN(str) strnlen_s(str, RSIZE_MAX_STR)
// Use this only when buffer size is unknown
#define KMP_STRNCPY(dst, src, cnt) strncpy_s(dst, cnt, src, cnt)
// _TRUNCATE insures buffer size > max string to print.
#define KMP_VSNPRINTF(dst, cnt, fmt, arg) \
vsnprintf_s(dst, cnt, _TRUNCATE, fmt, arg)
#else // KMP_OS_WINDOWS
// For now, these macros use the existing API.
#define KMP_ALLOCA alloca
#define KMP_MEMCPY_S(dst, bsz, src, cnt) memcpy(dst, src, cnt)
#define KMP_SNPRINTF snprintf
#define KMP_SSCANF sscanf
#define KMP_STRCPY_S(dst, bsz, src) strcpy(dst, src)
#define KMP_STRNCPY_S(dst, bsz, src, cnt) strncpy(dst, src, cnt)
#define KMP_VSNPRINTF vsnprintf
#define KMP_STRNCPY strncpy
#define KMP_STRLEN strlen
#define KMP_MEMCPY memcpy
#endif // KMP_OS_WINDOWS
#endif // KMP_SAFE_C_API_H
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