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Fix output command when varible not set

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This should fix the corner case where a variable is not assigned, but used anyway.
This should solve partially the issue #681.
This commit is contained in:
thuck 2016-06-03 00:05:10 +02:00
parent 1ab3e1023e
commit e4f80877be
1 changed files with 1 additions and 1 deletions
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2
sway/commands.c
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@ -1632,7 +1632,7 @@ static struct cmd_results *cmd_output(int argc, char **argv) {
}
char *src = join_args(argv + i, argc - i - 1);
char *mode = argv[argc - 1];
if (wordexp(src, &p, 0) != 0) {
if (wordexp(src, &p, 0) != 0 || p.we_wordv[0] == NULL) {
return cmd_results_new(CMD_INVALID, "output", "Invalid syntax (%s)", src);
}
free(src);