Work around incorrect function declaration

curl · Jan 2, 2020 · d0b8742 · d0b8742
1 parent fc5e43d
commit d0b8742
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/lib/md4.c b/lib/md4.c
@@ -156,7 +156,10 @@ static void MD4_Init(MD4_CTX *ctx)
 
 static void MD4_Update(MD4_CTX *ctx, const void *data, unsigned long size)
 {
-  CryptHashData(ctx->hHash, data, (unsigned int) size, 0);
+  /* Old versions of mingw incorrectly mark the second parameter as non-const,
+   * so explicitly cast away the const to make the compiler not complain
+   */
+  CryptHashData(ctx->hHash, (BYTE *)data, (unsigned int) size, 0);
 }
 
 static void MD4_Final(unsigned char *result, MD4_CTX *ctx)