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