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Bug fix - argv needs to terminate with a NULL.
author
Sapan Bhatia
<sapanb@cs.princeton.edu>
Wed, 2 Dec 2009 20:53:01 +0000
(20:53 +0000)
committer
Sapan Bhatia
<sapanb@cs.princeton.edu>
Wed, 2 Dec 2009 20:53:01 +0000
(20:53 +0000)
src/vsh.c
patch
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diff --git
a/src/vsh.c
b/src/vsh.c
index
71698c1
..
9c61664
100644
(file)
--- a/
src/vsh.c
+++ b/
src/vsh.c
@@
-32,7
+32,7
@@
char **extend_argv(int argc, char **argv, int num_extra_args) {
char **argv2;
argc2 = argc + num_extra_args;
- argv2 = (char **) malloc(
argc2
* sizeof(char *));
+ argv2 = (char **) malloc(
(argc2 + 1)
* sizeof(char *));
if (!argv2)
return (char **) NULL;
@@
-40,6
+40,7
@@
char **extend_argv(int argc, char **argv, int num_extra_args) {
for (i=0; i<argc; i++) {
argv2[i+num_extra_args]=strdup(argv[i]);
}
+ argv2[argc2]=NULL;
return argv2;
}