From f30af94885279cae22ea0c60f74c5444490a3be9 Mon Sep 17 00:00:00 2001
From: Peter Stephenson <pws@users.sourceforge.net>
Date: Fri, 6 Nov 2009 22:38:47 +0000
Subject: 27357: fix compiler warnings in attr module 27358: fix error if $0
 altered in sourced file

---
 Src/builtin.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'Src/builtin.c')

diff --git a/Src/builtin.c b/Src/builtin.c
index f032230b6..47b201264 100644
--- a/Src/builtin.c
+++ b/Src/builtin.c
@@ -4747,7 +4747,7 @@ bin_dot(char *name, char **argv, UNUSED(Options ops), UNUSED(int func))
     enam = arg0 = ztrdup(*argv);
     if (isset(FUNCTIONARGZERO)) {
 	old0 = argzero;
-	argzero = arg0;
+	argzero = ztrdup(arg0);
     }
     s = unmeta(enam);
     errno = ENOENT;
@@ -4802,8 +4802,10 @@ bin_dot(char *name, char **argv, UNUSED(Options ops), UNUSED(int func))
     if (ret == SOURCE_NOT_FOUND)
 	zwarnnam(name, "%e: %s", errno, enam);
     zsfree(arg0);
-    if (old0)
+    if (old0) {
+	zsfree(argzero);
 	argzero = old0;
+    }
     return ret == SOURCE_OK ? lastval : 128 - ret;
 }
 
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