Fix length calculation bug in genimage utility program.

1 files changed, 6 insertions, 3 deletions

diff --git a/data/genimage.c b/data/genimage.c
index 78696e7..0b5650b 100644
--- a/data/genimage.c
+++ b/data/genimage.c
@@ -16,15 +16,18 @@
 
 int main(int argc, char **argv)
 {
-    uint32_t width = htonl(gimp_image.width);
-    uint32_t height = htonl(gimp_image.height);
+    uint32_t width, height, length;
     unsigned i, r, g, b;
     unsigned char pixel;
 
+    length = 3 * gimp_image.width * gimp_image.height;
+    width = htonl(gimp_image.width);
+    height = htonl(gimp_image.height);
+
     write(1, &width, sizeof(width));
     write(1, &height, sizeof(height));
 
-    for (i = 0; i < width * height * 3; i += 3) {
+    for (i = 0; i < length; i += 3) {
 	r = gimp_image.pixel_data[i];
 	g = gimp_image.pixel_data[i + 1];
 	b = gimp_image.pixel_data[i + 2];