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authorTom Lane2005-10-14 16:41:41 +0000
committerTom Lane2005-10-14 16:41:41 +0000
commit0fa322a14eb09c8ca6c0fbbbc32d359ae9bc5197 (patch)
treeb318149482ca2ea19a27865f0fa68cfabb8a7000
parent10f14e6e0dfbc5a82d3dc8be7f6be4a4f1bdd72d (diff)
Pass a strdup'd ident string to openlog(), to ensure that reallocation
of GUC memory doesn't cause us to start emitting a bogus ident string. Per report from Han Holl. Also some trivial code cleanup in write_syslog.
-rw-r--r--src/backend/utils/error/elog.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/src/backend/utils/error/elog.c b/src/backend/utils/error/elog.c
index 66c17e2e8cc..b2b431a984e 100644
--- a/src/backend/utils/error/elog.c
+++ b/src/backend/utils/error/elog.c
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/error/elog.c,v 1.104 2002/11/01 17:55:23 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/error/elog.c,v 1.104.2.1 2005/10/14 16:41:41 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -634,7 +634,6 @@ write_syslog(int level, const char *line)
{
static bool openlog_done = false;
static unsigned long seq = 0;
- static int syslog_fac = LOG_LOCAL0;
int len = strlen(line);
@@ -643,6 +642,9 @@ write_syslog(int level, const char *line)
if (!openlog_done)
{
+ int syslog_fac = LOG_LOCAL0;
+ char *syslog_ident;
+
if (strcasecmp(Syslog_facility, "LOCAL0") == 0)
syslog_fac = LOG_LOCAL0;
if (strcasecmp(Syslog_facility, "LOCAL1") == 0)
@@ -659,7 +661,10 @@ write_syslog(int level, const char *line)
syslog_fac = LOG_LOCAL6;
if (strcasecmp(Syslog_facility, "LOCAL7") == 0)
syslog_fac = LOG_LOCAL7;
- openlog(Syslog_ident, LOG_PID | LOG_NDELAY, syslog_fac);
+ syslog_ident = strdup(Syslog_ident);
+ if (syslog_ident == NULL) /* out of memory already!? */
+ syslog_ident = "postgres";
+ openlog(syslog_ident, LOG_PID | LOG_NDELAY, syslog_fac);
openlog_done = true;
}