Add const qualifier to md5_file and alpm_get_md5sum

Signed-off-by: Dan McGee <dan@archlinux.org>

lib/libalpm/alpm.h

@@ -379,7 +379,7 @@ const char *alpm_conflict_get_ctarget(pmconflict_t *conflict);
  */
 
 /* checksums */
-char *alpm_get_md5sum(char *name);
+char *alpm_get_md5sum(const char *name);
 
 /*
  * Errors

lib/libalpm/md5.c

@@ -32,6 +32,10 @@
  *  * removal of HMAC code
  *  * removal of SELF_TEST code
  *  * removal of ipad and opad from the md5_context struct in md5.h
+ *  * change of md5_file prototype from
+ *        int md5_file( char *path, unsigned char *output )
+ *      to
+ *        int md5_file( const char *path, unsigned char *output )
  */
 
 #ifndef _CRT_SECURE_NO_DEPRECATE
@@ -301,7 +305,7 @@ void md5( unsigned char *input, int ilen,
 /*
  * Output = MD5( file contents )
  */
-int md5_file( char *path, unsigned char *output )
+int md5_file( const char *path, unsigned char *output )
 {
     FILE *f;
     size_t n;

lib/libalpm/md5.h

@@ -82,7 +82,7 @@ void md5( unsigned char *input, int ilen,
  * \return         0 if successful, 1 if fopen failed,
  *                 or 2 if fread failed
  */
-int md5_file( char *path, unsigned char *output );
+int md5_file( const char *path, unsigned char *output );
 
 #ifdef __cplusplus
 }

lib/libalpm/util.c

@@ -547,7 +547,7 @@ int _alpm_str_cmp(const void *s1, const void *s2)
  * @return the checksum on success, NULL on error
  * @addtogroup alpm_misc
  */
-char SYMEXPORT *alpm_get_md5sum(char *filename)
+char SYMEXPORT *alpm_get_md5sum(const char *filename)
 {
 	unsigned char output[16];
 	char *md5sum;
@@ -582,6 +582,4 @@ char SYMEXPORT *alpm_get_md5sum(char *filename)
 	return(md5sum);
 }
 
-
-
 /* vim: set ts=2 sw=2 noet: */