[cache] const in redirect_cache

src/cache/cache.c

@@ -700,7 +700,7 @@ normalize_cache_entry(struct cache_entry *cached, off_t truncate_length)
 
 
 struct uri *
-redirect_cache(struct cache_entry *cached, char *location,
+redirect_cache(struct cache_entry *cached, const char *location,
 	       int get, int incomplete)
 {
 	char *uristring;

src/cache/cache.h

@@ -140,7 +140,7 @@ void delete_cache_entry(struct cache_entry *cached);
  * Returns the URI being redirected to or NULL if allocation failed.
  */
 struct uri *
-redirect_cache(struct cache_entry *cached, char *location,
+redirect_cache(struct cache_entry *cached, const char *location,
 		int get, int incomplete);
 
 /* The garbage collector trigger. If @whole is zero, remove unused cache

src/protocol/protocol.c

@@ -96,7 +96,7 @@ static const struct protocol_backend protocol_backends[] = {
  * links). */
 
 protocol_T
-get_protocol(char *name, int namelen)
+get_protocol(const char *name, int namelen)
 {
 	/* These are really protocol_T values but can take on negative
 	 * values and since 0 <= -1 for enum values it's better to use clean

src/protocol/protocol.h

@@ -64,7 +64,7 @@ protocol_external_handler_T *get_protocol_external_handler(struct terminal *, st
 /* Resolves the given protocol @name with length @namelen to a known protocol,
  * PROTOCOL_UNKOWN or PROTOCOL_INVALID if no protocol part could be identified.
  * User defined protocols (configurable via protocol.user) takes precedence. */
-protocol_T get_protocol(char *name, int namelen);
+protocol_T get_protocol(const char *name, int namelen);
 
 extern struct module protocol_module;
 

src/protocol/uri.c

@@ -877,10 +877,10 @@ transform_file_url(struct uri *uri, const char *cwd)
 	return uri;
 }
 
-static char *translate_url(char *url, char *cwd);
+static char *translate_url(const char *url, char *cwd);
 
 char *
-join_urls(struct uri *base, char *rel)
+join_urls(struct uri *base, const char *rel)
 {
 	char *uristring, *path;
 	int add_slash = 0;
@@ -1083,7 +1083,7 @@ find_uri_protocol(char *newurl)
 /* Returns an URI string that can be used internally. Adding protocol prefix,
  * missing slashes etc. */
 static char *
-translate_url(char *url, char *cwd)
+translate_url(const char *url, char *cwd)
 {
 	char *newurl;
 	struct uri uri;

src/protocol/uri.h

@@ -339,7 +339,7 @@ char *get_extension_from_uri(struct uri *uri);
 /* Resolves a @relative URI to absolute form using @base URI.
  * Example: if @base is http://elinks.cz/ and @relative is #news
  *	    the outcome would be http://elinks.cz/#news */
-char *join_urls(struct uri *base, char *relative);
+char *join_urls(struct uri *base, const char *relative);
 
 /* Return position if end of string @s matches a known tld or -1 if not.
  * If @slen < 0, then string length will be obtained by a strlen() call,

src/protocol/user.c

@@ -93,7 +93,7 @@ struct module user_protocol_module = struct_module(
 
 
 char *
-get_user_program(struct terminal *term, char *progid, int progidlen)
+get_user_program(struct terminal *term, const char *progid, int progidlen)
 {
 	struct option *opt;
 	int xwin = term ? term->environment & ENV_XWIN : 0;

src/protocol/user.h

@@ -12,7 +12,7 @@ extern "C" {
 extern struct module user_protocol_module;
 extern protocol_external_handler_T user_protocol_handler;
 
-char *get_user_program(struct terminal *, char *, int);
+char *get_user_program(struct terminal *, const char *, int);
 
 #ifdef __cplusplus
 }

src/util/file.c

@@ -95,7 +95,7 @@ get_filename_position(char *filename)
 }
 
 char *
-expand_tilde(char *filename)
+expand_tilde(const char *filename)
 {
 	struct string file;
 
@@ -112,7 +112,7 @@ expand_tilde(char *filename)
 #ifdef HAVE_GETPWNAM
 		} else {
 			struct passwd *passwd = NULL;
-			char *user = filename + 1;
+			char *user = (char *)(filename + 1);
 			int userlen = 0;
 
 			while (user[userlen] && !dir_sep(user[userlen]))

src/util/file.h

@@ -38,7 +38,7 @@ char *get_filename_position(char *filename);
 
 /** Tilde is only expanded for the current users homedir (~/).
  * The returned file name is allocated. */
-char *expand_tilde(char *filename);
+char *expand_tilde(const char *filename);
 
 /*! @brief Generate a unique file name by trial and error based on the
  * @a fileprefix by adding suffix counter (e.g. '.42').