[uClibc-cvs] uClibc/libc/stdio stdio.c,1.68,1.69
Erik Andersen
andersen at uclibc.org
Fri Jun 27 08:57:26 UTC 2003
Update of /var/cvs/uClibc/libc/stdio
In directory winder:/home/andersen/CVS/uClibc/libc/stdio
Modified Files:
stdio.c
Log Message:
Do not let isatty mess up errno
Index: stdio.c
===================================================================
RCS file: /var/cvs/uClibc/libc/stdio/stdio.c,v
retrieving revision 1.68
retrieving revision 1.69
diff -u -d -r1.68 -r1.69
--- stdio.c 24 Jun 2003 04:07:40 -0000 1.68
+++ stdio.c 27 Jun 2003 08:57:23 -0000 1.69
@@ -1953,9 +1953,11 @@
void _stdio_init(void)
{
#ifdef __STDIO_BUFFERS
+ int old_errno = errno;
/* stdin and stdout uses line buffering when connected to a tty. */
_stdio_streams[0].modeflags ^= (1-isatty(0)) * __FLAG_LBF;
_stdio_streams[1].modeflags ^= (1-isatty(1)) * __FLAG_LBF;
+ __set_errno(old_errno);
#endif /* __STDIO_BUFFERS */
#ifndef __UCLIBC__
/* __stdio_term is automatically when exiting if stdio is used.
@@ -2404,10 +2406,16 @@
return NULL;
}
- stream->modeflags |=
#ifdef __STDIO_BUFFERS
- (isatty(stream->filedes) * __FLAG_LBF) |
-#endif /* __STDIO_BUFFERS */
+ {
+ /* Do not let isatty mess up errno */
+ int old_errno = errno;
+ stream->modeflags |= (isatty(stream->filedes) * __FLAG_LBF);
+ __set_errno(old_errno);
+ }
+#endif
+
+ stream->modeflags |=
#if (O_APPEND == __FLAG_APPEND) \
&& ((O_LARGEFILE == __FLAG_LARGEFILE) || (O_LARGEFILE == 0))
(open_mode & (O_APPEND|O_LARGEFILE)) | /* i386 linux and elks */
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