Eliminate spurious warning, convert to getopt, and eliminate redundant check.
diff --git a/gunzip.c b/gunzip.c
index e6f6bdf..b4edb25 100644
--- a/gunzip.c
+++ b/gunzip.c
@@ -91,7 +91,7 @@
if (strcmp(applet_name, "zcat") == 0)
flags |= gunzip_to_stdout;
- while ((opt = getopt(argc, argv, "ctfh")) != -1) {
+ while ((opt = getopt(argc, argv, "ctfhd")) != -1) {
switch (opt) {
case 'c':
flags |= gunzip_to_stdout;
@@ -102,6 +102,8 @@
case 't':
flags |= gunzip_test;
break;
+ case 'd': /* Used to convert gzip to gunzip. */
+ break;
case 'h':
default:
show_usage(); /* exit's inside usage */