From 37f94f2c1d0a3cc5110b2771e02ed894522d65d3 Mon Sep 17 00:00:00 2001 From: Lonny Gomes Date: Wed, 18 Nov 2015 23:57:31 -0500 Subject: [PATCH] Fixes #23, shows help if no filename argument is supplied --- src/hexcurse.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/src/hexcurse.c b/src/hexcurse.c index 9a275ee..9342eb5 100644 --- a/src/hexcurse.c +++ b/src/hexcurse.c @@ -217,9 +217,13 @@ off_t parseArgs(int argc, char *argv[]) fpINfilename = strdup(argv[0]); } - if (fpINfilename && strcmp(fpINfilename, "")) + if (fpINfilename == NULL) { + print_usage(); + exit(-1); + } else if (fpINfilename && strcmp(fpINfilename, "")) { if ((fpIN = fopen(fpINfilename, "r")) == NULL) exit_err("Could not open file"); + } return ((fpIN != NULL) ? maxLoc(fpIN):0); /* return file length */ }