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Diffstat (limited to 'lib/libc/stdio/freopen.c')
-rw-r--r--lib/libc/stdio/freopen.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/libc/stdio/freopen.c b/lib/libc/stdio/freopen.c
index cd2d833846b..b5dbc3096d4 100644
--- a/lib/libc/stdio/freopen.c
+++ b/lib/libc/stdio/freopen.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: freopen.c,v 1.10 2008/04/21 12:28:35 otto Exp $ */
+/* $OpenBSD: freopen.c,v 1.11 2009/10/21 16:04:23 guenther Exp $ */
/*-
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
@@ -60,6 +60,8 @@ freopen(const char *file, const char *mode, FILE *fp)
if (!__sdidinit)
__sinit();
+ FLOCKFILE(fp);
+
/*
* There are actually programs that depend on being able to "freopen"
* descriptors that weren't originally open. Keep this from breaking.
@@ -121,6 +123,7 @@ freopen(const char *file, const char *mode, FILE *fp)
if (f < 0) { /* did not get it after all */
fp->_flags = 0; /* set it free */
+ FUNLOCKFILE(fp);
errno = sverrno; /* restore in case _close clobbered */
return (NULL);
}
@@ -140,6 +143,7 @@ freopen(const char *file, const char *mode, FILE *fp)
/* _file is only a short */
if (f > SHRT_MAX) {
fp->_flags = 0; /* set it free */
+ FUNLOCKFILE(fp);
errno = EMFILE;
return (NULL);
}
@@ -162,5 +166,6 @@ freopen(const char *file, const char *mode, FILE *fp)
*/
if (oflags & O_APPEND)
(void) __sseek((void *)fp, (fpos_t)0, SEEK_END);
+ FUNLOCKFILE(fp);
return (fp);
}