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fix special-case breakage in popen due to reversed argument order

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Rich Felker 2013-09-01 17:02:35 -04:00
commit fe80a8eb68
1 changed files with 1 additions and 1 deletions
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src/stdio/popen.c
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@ -39,7 +39,7 @@ FILE *popen(const char *cmd, const char *mode)
* remove the close-on-exec flag in the child without also creating
* a file descriptor leak race condition in the parent. */
if (p[1-op] == 1-op) {
int tmp = fcntl(F_DUPFD_CLOEXEC, 1-op, 0);
int tmp = fcntl(1-op, F_DUPFD_CLOEXEC, 0);
if (tmp < 0) {
e = errno;
goto fail;