From: Andre Noll <maan@tuebingen.mpg.de>
Date: Thu, 12 Mar 2020 15:27:16 +0000 (+0100)
Subject: crypt_common: Constify hash pointers.
X-Git-Tag: v0.6.3~14
X-Git-Url: http://git.tuebingen.mpg.de/?a=commitdiff_plain;h=783bc7c3215dc613aa60078cd386f8e8b49b9ebb;hp=e3dfede17fa6c297f89a34cb997b7276c884497a;p=paraslash.git

crypt_common: Constify hash pointers.

hash_to_asc() and hash_compare() only read from the memory locations
given by these pointers.
---

diff --git a/crypt.h b/crypt.h
index 85629591..01edb5e8 100644
--- a/crypt.h
+++ b/crypt.h
@@ -188,7 +188,7 @@ void hash_function(const char *data, unsigned long len, unsigned char *hash);
  * will be filled by the function with the ascii representation of the hash
  * value given by \a hash, and a terminating \p NULL byte.
  */
-void hash_to_asc(unsigned char *hash, char *asc);
+void hash_to_asc(const unsigned char *hash, char *asc);
 
 /**
  * Compare two hashes.
@@ -199,4 +199,4 @@ void hash_to_asc(unsigned char *hash, char *asc);
  * \return 1, -1, or zero, depending on whether \a h1 is greater than,
  * less than or equal to h2, respectively.
  */
-int hash_compare(unsigned char *h1, unsigned char *h2);
+int hash_compare(const unsigned char *h1, const unsigned char *h2);
diff --git a/crypt_common.c b/crypt_common.c
index c1e40d92..ff24e356 100644
--- a/crypt_common.c
+++ b/crypt_common.c
@@ -135,7 +135,7 @@ int check_private_key_file(const char *file)
 	return 1;
 }
 
-void hash_to_asc(unsigned char *hash, char *asc)
+void hash_to_asc(const unsigned char *hash, char *asc)
 {
 	int i;
 	const char hexchar[] = "0123456789abcdef";
@@ -147,7 +147,7 @@ void hash_to_asc(unsigned char *hash, char *asc)
 	asc[2 * HASH_SIZE] = '\0';
 }
 
-int hash_compare(unsigned char *h1, unsigned char *h2)
+int hash_compare(const unsigned char *h1, const unsigned char *h2)
 {
 	int i;