global: make 'char *path' const where possible

Signed-off-by: Christian Hesse <mail@eworm.de>

ui-atom.c

@@ -83,7 +83,7 @@ static void add_entry(struct commit *commit, const char *host)
 }
 
 
-void cgit_print_atom(char *tip, char *path, int max_count)
+void cgit_print_atom(char *tip, const char *path, int max_count)
 {
 	char *host;
 	const char *argv[] = {NULL, tip, NULL, NULL, NULL};

ui-atom.h

@@ -1,6 +1,6 @@
 #ifndef UI_ATOM_H
 #define UI_ATOM_H
 
-extern void cgit_print_atom(char *tip, char *path, int max_count);
+extern void cgit_print_atom(char *tip, const char *path, int max_count);
 
 #endif

ui-log.c

@@ -362,7 +362,7 @@ static char *next_token(char **src)
 }
 
 void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern,
-		    char *path, int pager, int commit_graph, int commit_sort)
+		    const char *path, int pager, int commit_graph, int commit_sort)
 {
 	struct rev_info rev;
 	struct commit *commit;

ui-log.h

@@ -2,7 +2,7 @@
 #define UI_LOG_H
 
 extern void cgit_print_log(const char *tip, int ofs, int cnt, char *grep,
-			   char *pattern, char *path, int pager,
+			   char *pattern, const char *path, int pager,
 			   int commit_graph, int commit_sort);
 extern void show_commit_decorations(struct commit *commit);
 

ui-refs.c

@@ -136,7 +136,7 @@ static int print_tag(struct refinfo *ref)
 	return 0;
 }
 
-static void print_refs_link(char *path)
+static void print_refs_link(const char *path)
 {
 	html("<tr class='nohover'><td colspan='5'>");
 	cgit_refs_link("[...]", NULL, NULL, ctx.qry.head, NULL, path);

ui-repolist.c

@@ -11,7 +11,7 @@
 #include "html.h"
 #include "ui-shared.h"
 
-static time_t read_agefile(char *path)
+static time_t read_agefile(const char *path)
 {
 	time_t result;
 	size_t size;

ui-summary.c

@@ -99,7 +99,7 @@ static char* append_readme_path(const char *filename, const char *ref, const cha
 	return full_path;
 }
 
-void cgit_print_repo_readme(char *path)
+void cgit_print_repo_readme(const char *path)
 {
 	char *filename, *ref, *mimetype;
 	int free_filename = 0;

ui-summary.h

@@ -2,6 +2,6 @@
 #define UI_SUMMARY_H
 
 extern void cgit_print_summary(void);
-extern void cgit_print_repo_readme(char *path);
+extern void cgit_print_repo_readme(const char *path);
 
 #endif /* UI_SUMMARY_H */

ui-tree.c

@@ -84,7 +84,7 @@ static void print_binary_buffer(char *buf, unsigned long size)
 	html("</table>\n");
 }
 
-static void print_object(const struct object_id *oid, char *path, const char *basename, const char *rev)
+static void print_object(const struct object_id *oid, const char *path, const char *basename, const char *rev)
 {
 	enum object_type type;
 	char *buf;
@@ -279,7 +279,7 @@ static void ls_tail(void)
 	cgit_print_layout_end();
 }
 
-static void ls_tree(const struct object_id *oid, char *path, struct walk_tree_context *walk_tree_ctx)
+static void ls_tree(const struct object_id *oid, const char *path, struct walk_tree_context *walk_tree_ctx)
 {
 	struct tree *tree;
 	struct pathspec paths = {