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fix os_update_file implementation on Windows

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This commit is contained in:
Andrew Kelley 2020-02-16 22:34:40 -05:00
parent 364a284eb3
commit d5860cbade
1 changed files with 21 additions and 8 deletions
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29
src/os.cpp
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@ -1070,9 +1070,11 @@ static FILETIME windows_os_timestamp_to_filetime(OsTimeStamp mtime) {
static Error set_file_times(OsFile file, OsTimeStamp ts) {
#if defined(ZIG_OS_WINDOWS)
const atime_ft = windows.nanoSecondsToFileTime(atime);
const mtime_ft = windows.nanoSecondsToFileTime(mtime);
return SetFileTime(file, null, &atime_ft, &mtime_ft);
FILETIME ft = windows_os_timestamp_to_filetime(ts);
if (SetFileTime(file, nullptr, &ft, &ft) == 0) {
return ErrorUnexpected;
}
return ErrorNone;
#else
struct timespec times[2] = {
{ ts.sec, ts.nsec },
@ -1114,14 +1116,25 @@ Error os_update_file(Buf *src_path, Buf *dst_path) {
os_file_close(&dst_file);
return ErrorNone;
}
FILE *src_libc_file = fdopen(src_file, "rb");
FILE *dst_libc_file = fdopen(dst_file, "wb");
assert(src_libc_file);
assert(dst_libc_file);
#if defined(ZIG_OS_WINDOWS)
if (SetEndOfFile(dst_file) == 0) {
return ErrorUnexpected;
}
#else
if (ftruncate(dst_file, 0) == -1) {
return ErrorUnexpected;
}
#endif
#if defined(ZIG_OS_WINDOWS)
FILE *src_libc_file = _fdopen(_open_osfhandle((intptr_t)src_file, _O_RDONLY), "rb");
FILE *dst_libc_file = _fdopen(_open_osfhandle((intptr_t)dst_file, 0), "wb");
#else
FILE *src_libc_file = fdopen(src_file, "rb");
FILE *dst_libc_file = fdopen(dst_file, "wb");
#endif
assert(src_libc_file);
assert(dst_libc_file);
if ((err = copy_open_files(src_libc_file, dst_libc_file))) {
fclose(src_libc_file);
fclose(dst_libc_file);