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authorcarvsdriver <carvsdriver@gmail.com>2013-06-27 13:11:21 -0400
committerMike Grissom <mikeyman77@gmail.com>2013-07-13 10:34:41 -0700
commit1c1a497260ca86a5907469e7218e0faef22f3873 (patch)
tree1559e4dfac812a038e8d050d447d42d8a783b4bf /png.h
parent41e4a032ef9f599ea597dcdff1797f0ea49bdd97 (diff)
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external: libpng: fix numerous compiler warnings
Clean up the code for unused variables to handle them a bit more elegantly. Change-Id: I8b01c27673128719dad74276599d5a286c4dd412
Diffstat (limited to 'png.h')
-rw-r--r--png.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/png.h b/png.h
index d379dea..a968e94 100644
--- a/png.h
+++ b/png.h
@@ -468,6 +468,9 @@
#ifndef PNG_H
#define PNG_H
+/* This is used to quiet the compiler for unused variables */
+#define UNUSED(x) (void)(x);
+
/* This is not the place to learn how to use libpng. The file libpng.txt
* describes how to use libpng, and the file example.c summarizes it
* with some code on which to build. This file is useful for looking