54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
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#define MINGW_HAS_SECURE_API 1
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#include <windows.h>
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#include <malloc.h>
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#include <errno.h>
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#include <msvcrt.h>
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#include <sec_api/stdio_s.h>
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static errno_t __cdecl _int_strerror_s (char *, size_t, int);
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static errno_t __cdecl _stub (char *, size_t, int);
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errno_t __cdecl (*__MINGW_IMP_SYMBOL(strerror_s))(char *, size_t, int) = _stub;
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static errno_t __cdecl
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_stub (char *buffer, size_t numberOfElements, int errnum)
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{
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errno_t __cdecl (*f)(char *, size_t, int) = __MINGW_IMP_SYMBOL(strerror_s);
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if (f == _stub)
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{
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f = (errno_t __cdecl (*)(char *, size_t, int))
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GetProcAddress (__mingw_get_msvcrt_handle (), "strerror_s");
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if (!f)
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f = _int_strerror_s;
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__MINGW_IMP_SYMBOL(strerror_s) = f;
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}
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return (*f)(buffer, numberOfElements, errnum);
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}
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errno_t __cdecl
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strerror_s (char *buffer, size_t numberOfElements, int errnum)
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{
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return _stub (buffer, numberOfElements, errnum);
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}
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static errno_t __cdecl
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_int_strerror_s (char *buffer, size_t numberOfElements, int errnum)
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{
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char *errmsg = strerror(errnum);
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if (!errmsg || !buffer || numberOfElements == 0)
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{
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errno = EINVAL;
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return EINVAL;
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}
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if (sprintf_s(buffer, numberOfElements, "%s", errmsg) == -1)
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{
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errno = EINVAL;
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return EINVAL;
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}
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return 0;
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}
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