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Ensure that dup() succeeds (CID 172001)

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This commit is contained in:
Moritz Grimm 2017-09-20 11:26:35 +02:00
parent 3a471dc164
commit 89b4260c83
1 changed files with 4 additions and 0 deletions
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4
src/ezstream.c
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@ -307,6 +307,10 @@ openResource(stream_t stream, const char *fileName, int *popenFlag,
int fd; int fd;
stderr_fd = dup(fileno(stderr)); stderr_fd = dup(fileno(stderr));
if (0 > stderr_fd) {
log_alert("dup: %s", strerror(errno));
exit(1);
}
if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) { if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
log_alert("%s: %s", _PATH_DEVNULL, log_alert("%s: %s", _PATH_DEVNULL,
strerror(errno)); strerror(errno));