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-rw-r--r--third_party/git/sha1dc_git.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/third_party/git/sha1dc_git.h b/third_party/git/sha1dc_git.h
new file mode 100644
index 000000000000..41e1c3fd3f78
--- /dev/null
+++ b/third_party/git/sha1dc_git.h
@@ -0,0 +1,23 @@
+/* Plumbing with collition-detecting SHA1 code */
+
+#ifdef DC_SHA1_EXTERNAL
+#include <sha1dc/sha1.h>
+#elif defined(DC_SHA1_SUBMODULE)
+#include "sha1collisiondetection/lib/sha1.h"
+#else
+#include "sha1dc/sha1.h"
+#endif
+
+#ifdef DC_SHA1_EXTERNAL
+void git_SHA1DCInit(SHA1_CTX *);
+#else
+#define git_SHA1DCInit	SHA1DCInit
+#endif
+
+void git_SHA1DCFinal(unsigned char [20], SHA1_CTX *);
+void git_SHA1DCUpdate(SHA1_CTX *ctx, const void *data, unsigned long len);
+
+#define platform_SHA_CTX SHA1_CTX
+#define platform_SHA1_Init git_SHA1DCInit
+#define platform_SHA1_Update git_SHA1DCUpdate
+#define platform_SHA1_Final git_SHA1DCFinal