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-rw-r--r--third_party/git/sha256/gcrypt.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/third_party/git/sha256/gcrypt.h b/third_party/git/sha256/gcrypt.h
index 09bd8bb20062..501da5ed9197 100644
--- a/third_party/git/sha256/gcrypt.h
+++ b/third_party/git/sha256/gcrypt.h
@@ -22,8 +22,14 @@ inline void gcrypt_SHA256_Final(unsigned char *digest, gcrypt_SHA256_CTX *ctx)
 	memcpy(digest, gcry_md_read(*ctx, GCRY_MD_SHA256), SHA256_DIGEST_SIZE);
 }
 
+inline void gcrypt_SHA256_Clone(gcrypt_SHA256_CTX *dst, const gcrypt_SHA256_CTX *src)
+{
+	gcry_md_copy(dst, *src);
+}
+
 #define platform_SHA256_CTX gcrypt_SHA256_CTX
 #define platform_SHA256_Init gcrypt_SHA256_Init
+#define platform_SHA256_Clone gcrypt_SHA256_Clone
 #define platform_SHA256_Update gcrypt_SHA256_Update
 #define platform_SHA256_Final gcrypt_SHA256_Final