summaryrefslogtreecommitdiffstats
path: root/lib/libc/resolv
diff options
context:
space:
mode:
Diffstat (limited to 'lib/libc/resolv')
-rw-r--r--lib/libc/resolv/mtctxres.c7
-rw-r--r--lib/libc/resolv/res_init.c17
-rw-r--r--lib/libc/resolv/res_send.c5
3 files changed, 12 insertions, 17 deletions
diff --git a/lib/libc/resolv/mtctxres.c b/lib/libc/resolv/mtctxres.c
index f33cf11..635bbd4 100644
--- a/lib/libc/resolv/mtctxres.c
+++ b/lib/libc/resolv/mtctxres.c
@@ -106,9 +106,10 @@ ___mtctxres(void) {
*/
if (!mt_key_initialized) {
static pthread_mutex_t keylock = PTHREAD_MUTEX_INITIALIZER;
- pthread_mutex_lock(&keylock);
- _mtctxres_init();
- pthread_mutex_unlock(&keylock);
+ if (pthread_mutex_lock(&keylock) == 0) {
+ _mtctxres_init();
+ (void) pthread_mutex_unlock(&keylock);
+ }
}
/*
diff --git a/lib/libc/resolv/res_init.c b/lib/libc/resolv/res_init.c
index 28a3ebd..fd82e872 100644
--- a/lib/libc/resolv/res_init.c
+++ b/lib/libc/resolv/res_init.c
@@ -70,7 +70,7 @@
#if defined(LIBC_SCCS) && !defined(lint)
static const char sccsid[] = "@(#)res_init.c 8.1 (Berkeley) 6/7/93";
-static const char rcsid[] = "$Id: res_init.c,v 1.9.2.5.4.5 2005/11/03 00:00:52 marka Exp $";
+static const char rcsid[] = "$Id: res_init.c,v 1.9.2.5.4.6 2006/08/30 23:23:01 marka Exp $";
#endif /* LIBC_SCCS and not lint */
#include "port_before.h"
@@ -237,17 +237,10 @@ __res_vinit(res_state statp, int preinit) {
if (buf[0] == '+')
buf[0] = '.';
cp = strchr(buf, '.');
- if (cp == NULL) {
- if (strlcpy(statp->defdname, buf,
- sizeof(statp->defdname))
- >= sizeof(statp->defdname))
- goto freedata;
- } else {
- if (strlcpy(statp->defdname, cp+1,
- sizeof(statp->defdname))
- >= sizeof(statp->defdname))
- goto freedata;
- }
+ cp = (cp == NULL) ? buf : (cp + 1);
+ if (strlen(cp) >= sizeof(statp->defdname))
+ goto freedata;
+ strcpy(statp->defdname, cp);
}
}
#endif /* SOLARIS2 */
diff --git a/lib/libc/resolv/res_send.c b/lib/libc/resolv/res_send.c
index 24527ea..c47dd49 100644
--- a/lib/libc/resolv/res_send.c
+++ b/lib/libc/resolv/res_send.c
@@ -70,7 +70,7 @@
#if defined(LIBC_SCCS) && !defined(lint)
static const char sccsid[] = "@(#)res_send.c 8.1 (Berkeley) 6/4/93";
-static const char rcsid[] = "$Id: res_send.c,v 1.5.2.2.4.8 2006/03/08 04:13:31 marka Exp $";
+static const char rcsid[] = "$Id: res_send.c,v 1.5.2.2.4.9 2006/10/16 23:00:50 marka Exp $";
#endif /* LIBC_SCCS and not lint */
/*
@@ -295,7 +295,8 @@ res_nsend(res_state statp,
highestFD = sysconf(_SC_OPEN_MAX) - 1;
#endif
- if (statp->nscount == 0) {
+ /* No name servers or res_init() failure */
+ if (statp->nscount == 0 || EXT(statp).ext == NULL) {
errno = ESRCH;
return (-1);
}
OpenPOWER on IntegriCloud