mirrors/tmux
1
0
Fork 0
mirror of https://github.com/tmux/tmux.git synced 2025-10-26 12:27:15 +00:00
Code Issues Packages Projects Releases Wiki Activity

Rewrite a confusing loop when freeing the arg array on exit and move the check

Browse Source 
for argv being NULL, prompted by parfait via deraadt.

Also fix some definite brokenness when assigning multiple environment variables
in arguments (such as "X=1 Y=2").
This commit is contained in:
Nicholas Marriott
2009-11-11 18:56:07 +00:00
parent 9df4e7597d
commit 89763f2ace
1 changed files with 9 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
cmd-string.c
View File

@@ -134,17 +134,15 @@ cmd_string_parse(const char *s, struct cmd_list **cmdlist, char **cause)
if (ch != EOF)
break;
if (argc == 0)
goto out;
for (i = 0; i < argc; i++) {
equals = strchr(argv[i], '=');
whitespace = argv[i] + strcspn(argv[i], " \t");
while (argc != 0) {
equals = strchr(argv[0], '=');
whitespace = argv[0] + strcspn(argv[0], " \t");
if (equals == NULL || equals > whitespace)
break;
environ_put(&global_environ, argv[i]);
memmove(&argv[i], &argv[i + 1], argc - i - 1);
environ_put(&global_environ, argv[0]);
argc--;
memmove(argv, argv + 1, argc * (sizeof *argv));
}
if (argc == 0)
goto out;
@@ -189,10 +187,11 @@ out:
if (buf != NULL)
xfree(buf);
while (--argc >= 0)
xfree(argv[argc]);
if (argv != NULL)
if (argv != NULL) {
for (i = 0; i < argc; i++)
xfree(argv[argc]);
xfree(argv);
}
return (rval);
}