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-rw-r--r--compat/bswap.h2
-rw-r--r--compat/mingw.c20
2 files changed, 20 insertions, 2 deletions
diff --git a/compat/bswap.h b/compat/bswap.h
index f3b8c44..54756db 100644
--- a/compat/bswap.h
+++ b/compat/bswap.h
@@ -17,6 +17,8 @@ static inline uint32_t default_swab32(uint32_t val)
((val & 0x000000ff) << 24));
}
+#undef bswap32
+
#if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
#define bswap32(x) ({ \
diff --git a/compat/mingw.c b/compat/mingw.c
index c5bfb39..3071690 100644
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -275,8 +275,17 @@ int mingw_utime (const char *file_name, const struct utimbuf *times)
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);
@@ -286,6 +295,13 @@ int mingw_utime (const char *file_name, const struct utimbuf *times)
} 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;
}