sha1.h: remove unused inline functions

[wimlib] / include / wimlib / sha1.h

diff --git a/include/wimlib/sha1.h b/include/wimlib/sha1.h
index 1f7c50f70b35112457eda3b8b6bed01897b3a2d6..e4ed953a21b522ea3cf09f3dbf6b2a119b43e06e 100644 (file)
--- a/include/wimlib/sha1.h
+++ b/include/wimlib/sha1.h
@@ -1,86 +1,71 @@
+/*
+ * sha1.h
+ *
+ * The author dedicates this file to the public domain.
+ * You can do whatever you want with this file.
+ */
+
 #ifndef _WIMLIB_SHA1_H
 #define _WIMLIB_SHA1_H
 
+#include <string.h>
+
 #include "wimlib/types.h"
 #include "wimlib/util.h"
 
-#include <string.h>
-
 #define SHA1_HASH_SIZE 20
 
 extern const u8 zero_hash[SHA1_HASH_SIZE];
 
+extern void
+sprint_hash(const u8 hash[SHA1_HASH_SIZE], tchar strbuf[SHA1_HASH_SIZE * 2 + 1]);
+
 static inline void
 copy_hash(u8 dest[SHA1_HASH_SIZE], const u8 src[SHA1_HASH_SIZE])
 {
        memcpy(dest, src, SHA1_HASH_SIZE);
 }
 
-static inline void
-random_hash(u8 hash[SHA1_HASH_SIZE])
-{
-       randomize_byte_array(hash, SHA1_HASH_SIZE);
-}
-
-static inline bool
-hashes_equal(const u8 h1[SHA1_HASH_SIZE], const u8 h2[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])
+hashes_cmp(const u8 h1[SHA1_HASH_SIZE], const u8 h2[SHA1_HASH_SIZE])
 {
        return memcmp(h1, h2, SHA1_HASH_SIZE);
 }
 
-static inline void
-print_hash(const u8 hash[SHA1_HASH_SIZE], FILE *out)
-{
-       print_byte_field(hash, SHA1_HASH_SIZE, out);
-}
-
 static inline bool
-is_zero_hash(const u8 hash[SHA1_HASH_SIZE])
+hashes_equal(const u8 h1[SHA1_HASH_SIZE], const u8 h2[SHA1_HASH_SIZE])
 {
-       if (hash)
-               for (u8 i = 0; i < SHA1_HASH_SIZE / 4; i++)
-                       if (((const u32*)hash)[i])
-                               return false;
-       return true;
+       return !hashes_cmp(h1, h2);
 }
 
-static inline void
-zero_out_hash(u8 hash[SHA1_HASH_SIZE])
+static inline bool
+is_zero_hash(const u8 *hash)
 {
-       memset(hash, 0, SHA1_HASH_SIZE);
+       return (hash == zero_hash || hashes_equal(hash, zero_hash));
 }
 
-
 #ifdef WITH_LIBCRYPTO
 
 #include <openssl/sha.h>
+
+#define sha1_init     SHA1_Init
+#define sha1_update   SHA1_Update
+#define sha1_final    SHA1_Final
+
 static inline void
 sha1_buffer(const void *buffer, size_t len, u8 hash[SHA1_HASH_SIZE])
 {
        SHA1(buffer, len, hash);
 }
-#define sha1_init     SHA1_Init
-#define sha1_update   SHA1_Update
-#define sha1_final    SHA1_Final
 
 #else /* WITH_LIBCRYPTO */
 
 typedef struct {
+       u64 bytecount;
        u32 state[5];
-       u32 count[2];
        u8 buffer[64];
 } SHA_CTX;
 
-extern void
-sha1_buffer(const void *buffer, size_t len, u8 hash[SHA1_HASH_SIZE]);
-
 extern void
 sha1_init(SHA_CTX *ctx);
 
@@ -90,6 +75,9 @@ sha1_update(SHA_CTX *ctx, const void *data, size_t len);
 extern void
 sha1_final(u8 hash[SHA1_HASH_SIZE], SHA_CTX *ctx);
 
+extern void
+sha1_buffer(const void *buffer, size_t len, u8 hash[SHA1_HASH_SIZE]);
+
 #endif /* !WITH_LIBCRYPTO */
 
 #endif /* _WIMLIB_SHA1_H */