return fd;
}
-static inline time_t filetime_to_time_t(const FILETIME *ft)
+#undef fopen
+FILE *mingw_fopen (const char *filename, const char *otype)
+{
+ if (!strcmp(filename, "/dev/null"))
+ filename = "nul";
+ return fopen(filename, otype);
+}
+
+#undef freopen
+FILE *mingw_freopen (const char *filename, const char *otype, FILE *stream)
+{
+ if (filename && !strcmp(filename, "/dev/null"))
+ filename = "nul";
+ return freopen(filename, otype, stream);
+}
+
+/*
+ * The unit of FILETIME is 100-nanoseconds since January 1, 1601, UTC.
+ * Returns the 100-nanoseconds ("hekto nanoseconds") since the epoch.
+ */
+static inline long long filetime_to_hnsec(const FILETIME *ft)
{
long long winTime = ((long long)ft->dwHighDateTime << 32) + ft->dwLowDateTime;
- winTime -= 116444736000000000LL; /* Windows to Unix Epoch conversion */
- winTime /= 10000000; /* Nano to seconds resolution */
- return (time_t)winTime;
+ /* Windows to Unix Epoch conversion */
+ return winTime - 116444736000000000LL;
+}
+
+static inline time_t filetime_to_time_t(const FILETIME *ft)
+{
+ return (time_t)(filetime_to_hnsec(ft) / 10000000);
}
/* We keep the do_lstat code in a separate function to avoid recursion.
int fh, rc;
/* must have write permission */
- if ((fh = open(file_name, O_RDWR | O_BINARY)) < 0)
- return -1;
+ DWORD attrs = GetFileAttributes(file_name);
+ if (attrs != INVALID_FILE_ATTRIBUTES &&
+ (attrs & FILE_ATTRIBUTE_READONLY)) {
+ /* ignore errors here; open() will report them */
+ SetFileAttributes(file_name, attrs & ~FILE_ATTRIBUTE_READONLY);
+ }
+
+ if ((fh = open(file_name, O_RDWR | O_BINARY)) < 0) {
+ rc = -1;
+ goto revert_attrs;
+ }
time_t_to_filetime(times->modtime, &mft);
time_t_to_filetime(times->actime, &aft);
} else
rc = 0;
close(fh);
+
+revert_attrs:
+ if (attrs != INVALID_FILE_ATTRIBUTES &&
+ (attrs & FILE_ATTRIBUTE_READONLY)) {
+ /* ignore errors again */
+ SetFileAttributes(file_name, attrs);
+ }
return rc;
}
int gettimeofday(struct timeval *tv, void *tz)
{
- SYSTEMTIME st;
- struct tm tm;
- GetSystemTime(&st);
- tm.tm_year = st.wYear-1900;
- tm.tm_mon = st.wMonth-1;
- tm.tm_mday = st.wDay;
- tm.tm_hour = st.wHour;
- tm.tm_min = st.wMinute;
- tm.tm_sec = st.wSecond;
- tv->tv_sec = tm_to_time_t(&tm);
- if (tv->tv_sec < 0)
- return -1;
- tv->tv_usec = st.wMilliseconds*1000;
+ FILETIME ft;
+ long long hnsec;
+
+ GetSystemTimeAsFileTime(&ft);
+ hnsec = filetime_to_hnsec(&ft);
+ tv->tv_sec = hnsec / 10000000;
+ tv->tv_usec = (hnsec % 10000000) / 10;
return 0;
}