Add and use SHA1_HASH_STRING_LEN constant

[wimlib] / include / wimlib / sha1.h

diff --git a/include/wimlib/sha1.h b/include/wimlib/sha1.h
index e8167faf02eb654b674dccb62611556e2f1e998b..e1def3d9f2cb274c9bd282fe47bba9fdfc55447e 100644 (file)
--- a/include/wimlib/sha1.h
+++ b/include/wimlib/sha1.h
@@ -37,8 +37,9 @@
 
 extern const u8 zero_hash[SHA1_HASH_SIZE];
 
+#define SHA1_HASH_STRING_LEN   (2 * SHA1_HASH_SIZE + 1)
 extern void
-sprint_hash(const u8 hash[SHA1_HASH_SIZE], tchar strbuf[SHA1_HASH_SIZE * 2 + 1]);
+sprint_hash(const u8 hash[SHA1_HASH_SIZE], tchar strbuf[SHA1_HASH_STRING_LEN]);
 
 static inline void
 copy_hash(u8 dest[SHA1_HASH_SIZE], const u8 src[SHA1_HASH_SIZE])