49d1a4c562
also start prefering NtDll API. so far: * NtQueryInformationFile * NtClose adds a performance workaround for windows unicode conversion. but that should probably be removed before merging
47 lines
965 B
C
47 lines
965 B
C
#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 <io.h>
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static errno_t __cdecl _int_chsize_s (int, long long);
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static errno_t __cdecl _stub (int, long long);
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errno_t __cdecl (*__MINGW_IMP_SYMBOL(_chsize_s))(int, long long) =
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_stub;
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static errno_t __cdecl
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_stub (int fd, long long sz)
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{
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errno_t __cdecl (*f)(int, long long) = __MINGW_IMP_SYMBOL(_chsize_s);
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if (f == _stub)
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{
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f = (errno_t __cdecl (*)(int, long long))
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GetProcAddress (__mingw_get_msvcrt_handle (), "_chsize_s");
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if (!f)
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f = _int_chsize_s;
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__MINGW_IMP_SYMBOL(_chsize_s) = f;
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}
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return (*f)(fd, sz);
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}
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errno_t __cdecl
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_chsize_s (int fd, long long sz)
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{
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return _stub (fd, sz);
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}
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static errno_t __cdecl
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_int_chsize_s (int fd, long long sz)
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{
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if (sz > 0x7fffffffll)
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{
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/* We can't set file bigger as 2GB, so return EACCES. */
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return (errno = EACCES);
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}
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if (!_chsize (fd, sz))
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return 0;
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return errno;
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}
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