sha1: allow limiting the size of the data passed to SHA1_Update()

diff --git a/cache.h b/cache.h
index 99ed096aed03b865dd6e263474e6e6a265681b91..0adc7ef7f7c628db3e7b36da30f3f555f7d12ded 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -11,11 +11,29 @@
 #include "string-list.h"
 
 #include SHA1_HEADER
-#ifndef git_SHA_CTX
-#define git_SHA_CTX    SHA_CTX
-#define git_SHA1_Init  SHA1_Init
-#define git_SHA1_Update        SHA1_Update
-#define git_SHA1_Final SHA1_Final
+#ifndef platform_SHA_CTX
+/*
+ * platform's underlying implementation of SHA-1; could be OpenSSL,
+ * blk_SHA, Apple CommonCrypto, etc...  Note that including
+ * SHA1_HEADER may have already defined platform_SHA_CTX for our
+ * own implementations like block-sha1 and ppc-sha1, so we list
+ * the default for OpenSSL compatible SHA-1 implementations here.
+ */
+#define platform_SHA_CTX       SHA_CTX
+#define platform_SHA1_Init     SHA1_Init
+#define platform_SHA1_Update   SHA1_Update
+#define platform_SHA1_Final            SHA1_Final
+#endif
+
+#define git_SHA_CTX            platform_SHA_CTX
+#define git_SHA1_Init          platform_SHA1_Init
+#define git_SHA1_Update                platform_SHA1_Update
+#define git_SHA1_Final         platform_SHA1_Final
+
+#ifdef SHA1_MAX_BLOCK_SIZE
+#include "compat/sha1-chunked.h"
+#undef git_SHA1_Update
+#define git_SHA1_Update                git_SHA1_Update_Chunked
 #endif
 
 #include <zlib.h>
@@ -617,6 +635,8 @@ extern int fsync_object_files;
 extern int core_preload_index;
 extern int core_apply_sparse_checkout;
 extern int precomposed_unicode;
+extern int protect_hfs;
+extern int protect_ntfs;
 
 /*
  * The character that begins a commented line in user-editable file
@@ -831,6 +851,7 @@ int normalize_path_copy(char *dst, const char *src);
 int longest_ancestor_length(const char *path, struct string_list *prefixes);
 char *strip_path_suffix(const char *path, const char *suffix);
 int daemon_avoid_alias(const char *path);
+extern int is_ntfs_dotgit(const char *name);
 
 /* object replacement */
 #define LOOKUP_REPLACE_OBJECT 1