hare

commit 9e5a68a651bd8e29db0b384717ce7068bf52b235
parent 7c8be881cf6e4cc541d9ff89799671afc820cb80
Author: Byron Torres <b@torresjrjr.com>
Date:   Sat, 11 Dec 2021 11:40:35 +0000

getopt: fix mishandled len(help) == 0

Signed-off-by: Byron Torres <b@torresjrjr.com>

Diffstat:
M
getopt/getopts.ha
 | 
4
++++

1 file changed, 4 insertions(+), 0 deletions(-)
diff --git a/getopt/getopts.ha b/getopt/getopts.ha
@@ -231,6 +231,10 @@ export fn printusage(out: io::handle, name: str, help: []help) void = {
 
 // Prints command help to the provided stream.
 export fn printhelp(out: io::handle, name: str, help: []help) void = {
+	if (len(help) == 0) {
+		return;
+	};
+
 	if (help[0] is cmd_help) {
 		fmt::fprintfln(out, "{}: {}\n", name, help[0] as cmd_help: str)!;
 	};