firmware-utils: fix -Wpointer-sign warnings

[openwrt/openwrt.git] / tools / firmware-utils / src / sha1.c

diff --git a/tools/firmware-utils/src/sha1.c b/tools/firmware-utils/src/sha1.c
index 3ab1332992780c16243a048b575479fe6144f873..40cc78ca089137ebd7ab69d41af79453d2967274 100644 (file)
--- a/tools/firmware-utils/src/sha1.c
+++ b/tools/firmware-utils/src/sha1.c
@@ -225,8 +225,9 @@ void sha1_process( sha1_context *ctx, uchar data[64] )
     ctx->state[4] += E;
 }
 
-void sha1_update( sha1_context *ctx, uchar *input, uint length )
+void sha1_update( sha1_context *ctx, void *data, uint length )
 {
+    uchar *input = data;
     ulong left, fill;
 
     if( ! length ) return;