If filename is a '-' then read from stdin to stdout

1 files changed, 1 insertions, 1 deletions

diff --git a/gzip.c b/gzip.c
index cdf2268..54bb727 100644
--- a/gzip.c
+++ b/gzip.c
@@ -1246,7 +1246,7 @@ int gzip_main(int argc, char **argv)
 			show_usage();
 		}
 	}
-	if (optind == argc) {
+	if ((optind == argc) || (strcmp(argv[optind], "-") == 0)) {
 		fromstdin = 1;
 		tostdout = 1;
 	}