From: Steinar H. Gunderson <steinar+git@gunderson.no>
Date: Sun, 11 Oct 2020 09:48:43 +0000 (+0200)
Subject: Disallow limit <= 0.
X-Git-Tag: 1.0.0~6
X-Git-Url: https://git.sesse.net/?p=plocate;a=commitdiff_plain;h=8c2030fd894ac1539a46a976fe0e551b143a6140

Disallow limit <= 0.
---

diff --git a/plocate.cpp b/plocate.cpp
index 9f3928b..c914002 100644
--- a/plocate.cpp
+++ b/plocate.cpp
@@ -668,6 +668,10 @@ int main(int argc, char **argv)
 		case 'l':
 		case 'n':
 			limit_matches = atoll(optarg);
+			if (limit_matches <= 0) {
+				fprintf(stderr, "Error: limit must be a strictly positive number.\n");
+				exit(1);
+			}
 			break;
 		case '0':
 			print_nul = true;