From: Joel Rosdahl <joel@rosdahl.net>
Date: Tue, 8 Jun 2010 20:47:53 +0000 (+0200)
Subject: Check CCACHE_DEBUG_HASH environment variable before enabling hash debugging
X-Git-Tag: v3.0~45
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=93c6e9ac32677f0891b71799497649fa7e1cc17e;p=thirdparty%2Fccache.git

Check CCACHE_DEBUG_HASH environment variable before enabling hash debugging
---

diff --git a/mdfour.c b/mdfour.c
index 78fca282d..311c0cf59 100644
--- a/mdfour.c
+++ b/mdfour.c
@@ -18,6 +18,7 @@
 
 #include "ccache.h"
 
+#include <stdlib.h>
 #include <string.h>
 
 /* NOTE: This code makes no attempt to be fast! */
@@ -140,9 +141,11 @@ void mdfour_update(struct mdfour *md, const unsigned char *in, size_t n)
 	uint32_t M[16];
 
 #ifdef CCACHE_DEBUG_HASH
-	FILE* f = fopen("ccache-debug-hash.bin", "a");
-	fwrite(in, 1, n, f);
-	fclose(f);
+	if (getenv("CCACHE_DEBUG_HASH")) {
+		FILE* f = fopen("ccache-debug-hash.bin", "a");
+		fwrite(in, 1, n, f);
+		fclose(f);
+	}
 #endif
 
 	m = md;