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-rw-r--r--cache.h28
1 files changed, 23 insertions, 5 deletions
diff --git a/cache.h b/cache.h
index 736abc0..2a9e902 100644
--- 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>