From: Nathan Moinvaziri <nathan@nathanm.com>
Date: Fri, 11 Mar 2022 23:42:14 +0000 (-0800)
Subject: Print help when no arguments supplied to minideflate.
X-Git-Tag: 2.0.7~55
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=995d46c30ea7cfef695d584f98486c266f805a1f;p=thirdparty%2Fzlib-ng.git

Print help when no arguments supplied to minideflate.
---

diff --git a/test/minideflate.c b/test/minideflate.c
index 44c79e3f..0c452635 100644
--- a/test/minideflate.c
+++ b/test/minideflate.c
@@ -241,6 +241,12 @@ int main(int argc, char **argv) {
     FILE *fin = stdin;
     FILE *fout = stdout;
 
+
+    if (argc == 1) {
+        show_help();
+        return 64;   /* EX_USAGE */
+    }
+
     for (i = 1; i < argc; i++) {
         if ((strcmp(argv[i], "-m") == 0) && (i + 1 < argc))
             mem_level = atoi(argv[++i]);