ruby/win32/file.c

30 строки
590 B
C

#include "ruby/ruby.h"
#include <winbase.h>
#ifndef INVALID_FILE_ATTRIBUTES
# define INVALID_FILE_ATTRIBUTES ((DWORD)-1)
#endif
int
rb_file_load_ok(const char *path)
{
int ret = 1;
DWORD attr = GetFileAttributes(path);
if (attr == INVALID_FILE_ATTRIBUTES ||
attr & FILE_ATTRIBUTE_DIRECTORY) {
ret = 0;
}
else {
HANDLE h = CreateFile(path, GENERIC_READ,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (h != INVALID_HANDLE_VALUE) {
CloseHandle(h);
}
else {
ret = 0;
}
}
return ret;
}