From 3772975f308c430d392bae3f0c3c4d68966d26d2 Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Tue, 27 Sep 2005 04:53:23 +0000
Subject: [PATCH] Fix our version of strdup() to adhere to the standard
 semantics for out-of-memory --- that is, return NULL rather than dumping
 core. Noted by Qingqing Zhou.

---
 src/port/strdup.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/port/strdup.c b/src/port/strdup.c
index 2854b66011..22f842da16 100644
--- a/src/port/strdup.c
+++ b/src/port/strdup.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/port/strdup.c,v 1.7 2005/07/28 04:03:14 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/port/strdup.c,v 1.8 2005/09/27 04:53:23 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -19,10 +19,12 @@
 
 
 char *
-strdup(char const * string)
+strdup(const char *string)
 {
 	char	   *nstr;
 
-	nstr = strcpy((char *) malloc(strlen(string) + 1), string);
+	nstr = (char *) malloc(strlen(string) + 1);
+	if (nstr)
+		strcpy(nstr, string);
 	return nstr;
 }
-- 
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