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authorAndrey A. Chernov <ache@FreeBSD.org>2014-07-26 08:41:03 +0000
committerAndrey A. Chernov <ache@FreeBSD.org>2014-07-26 08:41:03 +0000
commit7922e2bb776f56b49fd070d3422b41ae1135b95f (patch)
treec43056fe81e5fbc7c4bee9d3d6334089e7ee26c9
parent3cc381b09ff888e95df17a573aeba48cd2c2b4bc (diff)
Notes
-rw-r--r--lib/libc/stdio/freopen.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/libc/stdio/freopen.c b/lib/libc/stdio/freopen.c
index 28b54f8b0bbec..4dcd50fbb13da 100644
--- a/lib/libc/stdio/freopen.c
+++ b/lib/libc/stdio/freopen.c
@@ -151,6 +151,14 @@ freopen(const char * __restrict file, const char * __restrict mode,
/* Get a new descriptor to refer to the new file. */
f = _open(file, oflags, DEFFILEMODE);
+ /* If out of fd's close the old one and try again. */
+ if (f < 0 && isopen && wantfd > STDERR_FILENO &&
+ (errno == ENFILE || errno == EMFILE)) {
+ (void) (*fp->_close)(fp->_cookie);
+ isopen = 0;
+ wantfd = -1;
+ f = _open(file, oflags, DEFFILEMODE);
+ }
sverrno = errno;
finish: