From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Tue, 27 Sep 2005 04:53:23 +0000 (+0000)
Subject: Fix our version of strdup() to adhere to the standard semantics for
X-Git-Url: http://waps.l3s.uni-hannover.de/gitweb/?a=commitdiff_plain;h=2ad783d51ec4fdb1a6fdf014dda0ae5effd56029;p=users%2Fbernd%2Fpostgres.git

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.
---

diff --git a/src/port/strdup.c b/src/port/strdup.c
index 70a9faf2ee..3facc4a77b 100644
--- a/src/port/strdup.c
+++ b/src/port/strdup.c
@@ -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;
 }