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-rw-r--r--lib/libc/stdio/fseek.c6
-rw-r--r--lib/libc/stdio/rewind.c7
2 files changed, 11 insertions, 2 deletions
diff --git a/lib/libc/stdio/fseek.c b/lib/libc/stdio/fseek.c
index e831347..38a8bf5 100644
--- a/lib/libc/stdio/fseek.c
+++ b/lib/libc/stdio/fseek.c
@@ -63,6 +63,7 @@ fseek(fp, offset, whence)
int whence;
{
int ret;
+ int serrno = errno;
/* make sure stdio is set up */
if (!__sdidinit)
@@ -71,6 +72,8 @@ fseek(fp, offset, whence)
FLOCKFILE(fp);
ret = _fseeko(fp, (off_t)offset, whence, 1);
FUNLOCKFILE(fp);
+ if (ret == 0)
+ errno = serrno;
return (ret);
}
@@ -81,6 +84,7 @@ fseeko(fp, offset, whence)
int whence;
{
int ret;
+ int serrno = errno;
/* make sure stdio is set up */
if (!__sdidinit)
@@ -89,6 +93,8 @@ fseeko(fp, offset, whence)
FLOCKFILE(fp);
ret = _fseeko(fp, offset, whence, 0);
FUNLOCKFILE(fp);
+ if (ret == 0)
+ errno = serrno;
return (ret);
}
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 */
}
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