From d2242935374419b6ee9c642104fc3a1cc09a5c37 Mon Sep 17 00:00:00 2001
From: Johannes Hofmann <Johannes.Hofmann@gmx.de>
Date: Wed, 17 Jan 2007 14:39:38 +0100
Subject: fix segfault

---
 src/gipfel.cxx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/gipfel.cxx')

diff --git a/src/gipfel.cxx b/src/gipfel.cxx
index bb58586..2fcce48 100644
--- a/src/gipfel.cxx
+++ b/src/gipfel.cxx
@@ -554,7 +554,9 @@ stitch(GipfelWidget::sample_mode_t m,
 
 			snprintf(buf, sizeof(buf), "%s/%s", path, argv[i]);
 			dot = strrchr(buf, '.');
-			*dot = '\0';
+			if (dot) {
+				*dot = '\0';
+			}
 			strncat(buf, ".tiff", sizeof(buf));
 
 			st->set_output(argv[i], (OutputImage*) new TIFFOutputImage(buf));
-- 
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