diff options
Diffstat (limited to 'lib/libc/stdio/rewind.c')
| -rw-r--r-- | lib/libc/stdio/rewind.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/libc/stdio/rewind.c b/lib/libc/stdio/rewind.c index af9232a..2db21c78 100644 --- a/lib/libc/stdio/rewind.c +++ b/lib/libc/stdio/rewind.c @@ -52,13 +52,16 @@ static const char rcsid[] = void rewind(FILE *fp) { + int serrno = errno; + /* make sure stdio is set up */ if (!__sdidinit) __sinit(); FLOCKFILE(fp); - if (_fseeko(fp, (off_t)0, SEEK_SET, 1) == 0) + if (_fseeko(fp, (off_t)0, SEEK_SET, 1) == 0) { clearerr_unlocked(fp); + errno = serrno; + } FUNLOCKFILE(fp); - /* errno required by POSIX to sense error, don't zero it here */ } |
