diff options
Diffstat (limited to 'contrib/bind9/lib/bind/irs/gai_strerror.c')
| -rw-r--r-- | contrib/bind9/lib/bind/irs/gai_strerror.c | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/contrib/bind9/lib/bind/irs/gai_strerror.c b/contrib/bind9/lib/bind/irs/gai_strerror.c index 6aeaaa1..0492f8f 100644 --- a/contrib/bind9/lib/bind/irs/gai_strerror.c +++ b/contrib/bind9/lib/bind/irs/gai_strerror.c @@ -66,18 +66,26 @@ gai_strerror(int ecode) { #ifdef DO_PTHREADS if (!once) { - pthread_mutex_lock(&lock); - if (!once++) - pthread_key_create(&key, free); - pthread_mutex_unlock(&lock); + if (pthread_mutex_lock(&lock) != 0) + goto unknown; + if (!once) { + if (pthread_key_create(&key, free) != 0) + goto unknown; + once = 1; + } + if (pthread_mutex_unlock(&lock) != 0) + goto unknown; } buf = pthread_getspecific(key); if (buf == NULL) { buf = malloc(EAI_BUFSIZE); if (buf == NULL) - return ("unknown error"); - pthread_setspecific(key, buf); + goto unknown; + if (pthread_setspecific(key, buf) != 0) { + free(buf); + goto unknown; + } } #endif /* @@ -86,4 +94,9 @@ gai_strerror(int ecode) { */ sprintf(buf, "%s: %d", gai_errlist[gai_nerr - 1], ecode); return (buf); + +#ifdef DO_PTHREADS + unknown: + return ("unknown error"); +#endif } |
