[Glibc-bsd-commits] r1408 - trunk/libbsd/src

[Robert Millan]

Author: rmh
Date: 2006-03-30 11:14:56 +0000 (Thu, 30 Mar 2006)
New Revision: 1408

Modified:
   trunk/libbsd/src/progname.c
Log:
For some reason, accessing the argv vector directly may cause SIGSEV.  Let's copy it to avoid trouble.

Modified: trunk/libbsd/src/progname.c
===================================================================
--- trunk/libbsd/src/progname.c	2006-03-29 18:53:17 UTC (rev 1407)
+++ trunk/libbsd/src/progname.c	2006-03-30 11:14:56 UTC (rev 1408)
@@ -19,9 +19,10 @@
   Rejected in glibc (http://sourceware.org/ml/libc-alpha/2006-03/msg00125.html)
 */
 
-#include <bsd/stdlib.h>
+#include <bsd/stdlib.h>		/* progname, strdup */
+#include <string.h>		/* free */
 
-static char *__progname = NULL;
+char *__progname = NULL;
 
 char *
 getprogname ()
@@ -32,5 +33,10 @@
 void
 setprogname (char *new)
 {
-  __progname = new;
+  /* For some reason, accessing the argv vector directly may cause SIGSEV.  Let's copy it to avoid trouble. */
+
+  if (__progname != NULL)
+    free (__progname);
+
+  __progname = strdup (new);
 }