X-Git-Url: https://wimlib.net/git/?a=blobdiff_plain;f=src%2Fsha1.h;h=a0d633569e31bd221576d3cd226e126474650ce8;hb=ed828dc4cbf4eabc9f8b32cb4c6a86a04e087f7a;hp=c44b9f40f76ce46cd78d7c12eec3c86a17d28498;hpb=774e09230145ee2d8ba58868573213da84a348eb;p=wimlib

diff --git a/src/sha1.h b/src/sha1.h
index c44b9f40..a0d63356 100644
--- a/src/sha1.h
+++ b/src/sha1.h
@@ -25,6 +25,11 @@ static inline bool hashes_equal(const u8 h1[SHA1_HASH_SIZE],
 {
 	return memcmp(h1, h2, SHA1_HASH_SIZE) == 0;
 }
+static inline int hashes_cmp(const u8 h1[SHA1_HASH_SIZE],
+			     const u8 h2[SHA1_HASH_SIZE])
+{
+	return memcmp(h1, h2, SHA1_HASH_SIZE);
+}
 
 /* Prints a hash code field. */
 static inline void print_hash(const u8 hash[SHA1_HASH_SIZE])
@@ -34,13 +39,14 @@ static inline void print_hash(const u8 hash[SHA1_HASH_SIZE])
 
 static inline bool is_zero_hash(const u8 hash[SHA1_HASH_SIZE])
 {
-	for (u8 i = 0; i < SHA1_HASH_SIZE / 4; i++)
-		if (((u32*)hash)[i])
-			return false;
+	if (hash)
+		for (u8 i = 0; i < SHA1_HASH_SIZE / 4; i++)
+			if (((u32*)hash)[i])
+				return false;
 	return true;
 }
 
-static void zero_hash(u8 hash[SHA1_HASH_SIZE])
+static inline void zero_hash(u8 hash[SHA1_HASH_SIZE])
 {
 	memset(hash, 0, SHA1_HASH_SIZE);
 }