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fcntl(): Don't call dup_fd() if real_fcntl() failed.

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Simon Ruderich
2013-05-31 18:37:55 +02:00
parent 6d15f6c990
commit f369605227
1 changed files with 1 additions and 1 deletions
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2
src/coloredstderr.c
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@@ -280,7 +280,7 @@ int fcntl(int fd, int cmd, int arg) {
result = real_fcntl(fd, cmd, arg);
/* We only care about duping fds. */
if (cmd == F_DUPFD) {
if (cmd == F_DUPFD && result != -1) {
int saved_errno = errno;
dup_fd(fd, result);
errno = saved_errno;