ui-shared: Improve const-ness in API

This is needed to prevent const-related warnings in later patches.

Signed-off-by: Johan Herland <johan@herland.net>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>

2 files changed, 80 insertions, 65 deletions

diff --git a/ui-shared.c b/ui-shared.c
index 8827fff..7d7fff0 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -27,7 +27,7 @@ static char *http_date(time_t t)
                    tm->tm_hour, tm->tm_min, tm->tm_sec);
 }
 
-void cgit_print_error(char *msg)
+void cgit_print_error(const char *msg)
 {
         html("<div class='error'>");
         html_txt(msg);
@@ -133,7 +133,7 @@ char *cgit_currurl()
                 return fmt("%s/", ctx.cfg.virtual_root);
 }
 
-static void site_url(char *page, char *search, int ofs)
+static void site_url(const char *page, const char *search, int ofs)
 {
         char *delim = "?";
 
@@ -160,8 +160,8 @@ static void site_url(char *page, char *search, int ofs)
         }
 }
 
-static void site_link(char *page, char *name, char *title, char *class,
-                      char *search, int ofs)
+static void site_link(const char *page, const char *name, const char *title,
+                      const char *class, const char *search, int ofs)
 {
         html("<a");
         if (title) {
@@ -181,14 +181,14 @@ static void site_link(char *page, char *name, char *title, char *class,
         html("</a>");
 }
 
-void cgit_index_link(char *name, char *title, char *class, char *pattern,
-                     int ofs)
+void cgit_index_link(const char *name, const char *title, const char *class,
+                     const char *pattern, int ofs)
 {
         site_link(NULL, name, title, class, pattern, ofs);
 }
 
-static char *repolink(char *title, char *class, char *page, char *head,
-                      char *path)
+static char *repolink(const char *title, const char *class, const char *page,
+                      const char *head, const char *path)
 {
         char *delim = "?";
 
@@ -240,8 +240,9 @@ static char *repolink(char *title, char *class, char *page, char *head,
         return fmt("%s", delim);
 }
 
-static void reporevlink(char *page, char *name, char *title, char *class,
-                        char *head, char *rev, char *path)
+static void reporevlink(const char *page, const char *name, const char *title,
+                        const char *class, const char *head, const char *rev,
+                        const char *path)
 {
         char *delim;
 
@@ -256,32 +257,33 @@ static void reporevlink(char *page, char *name, char *title, char *class,
         html("</a>");
 }
 
-void cgit_summary_link(char *name, char *title, char *class, char *head)
+void cgit_summary_link(const char *name, const char *title, const char *class,
+                       const char *head)
 {
         reporevlink(NULL, name, title, class, head, NULL, NULL);
 }
 
-void cgit_tag_link(char *name, char *title, char *class, char *head,
-                   char *rev)
+void cgit_tag_link(const char *name, const char *title, const char *class,
+                   const char *head, const char *rev)
 {
         reporevlink("tag", name, title, class, head, rev, NULL);
 }
 
-void cgit_tree_link(char *name, char *title, char *class, char *head,
-                    char *rev, char *path)
+void cgit_tree_link(const char *name, const char *title, const char *class,
+                    const char *head, const char *rev, const char *path)
 {
         reporevlink("tree", name, title, class, head, rev, path);
 }
 
-void cgit_plain_link(char *name, char *title, char *class, char *head,
-                     char *rev, char *path)
+void cgit_plain_link(const char *name, const char *title, const char *class,
+                     const char *head, const char *rev, const char *path)
 {
         reporevlink("plain", name, title, class, head, rev, path);
 }
 
-void cgit_log_link(char *name, char *title, char *class, char *head,
-                   char *rev, char *path, int ofs, char *grep, char *pattern,
-                   int showmsg)
+void cgit_log_link(const char *name, const char *title, const char *class,
+                   const char *head, const char *rev, const char *path,
+                   int ofs, const char *grep, const char *pattern, int showmsg)
 {
         char *delim;
 
@@ -316,8 +318,8 @@ void cgit_log_link(char *name, char *title, char *class, char *head,
         html("</a>");
 }
 
-void cgit_commit_link(char *name, char *title, char *class, char *head,
-                      char *rev, int toggle_ssdiff)
+void cgit_commit_link(char *name, const char *title, const char *class,
+                      const char *head, const char *rev, int toggle_ssdiff)
 {
         if (strlen(name) > ctx.cfg.max_msg_len && ctx.cfg.max_msg_len >= 15) {
                 name[ctx.cfg.max_msg_len] = '\0';
@@ -344,21 +346,22 @@ void cgit_commit_link(char *name, char *title, char *class, char *head,
         html("</a>");
 }
 
-void cgit_refs_link(char *name, char *title, char *class, char *head,
-                    char *rev, char *path)
+void cgit_refs_link(const char *name, const char *title, const char *class,
+                    const char *head, const char *rev, const char *path)
 {
         reporevlink("refs", name, title, class, head, rev, path);
 }
 
-void cgit_snapshot_link(char *name, char *title, char *class, char *head,
-                        char *rev, char *archivename)
+void cgit_snapshot_link(const char *name, const char *title, const char *class,
+                        const char *head, const char *rev,
+                        const char *archivename)
 {
         reporevlink("snapshot", name, title, class, head, rev, archivename);
 }
 
-void cgit_diff_link(char *name, char *title, char *class, char *head,
-                    char *new_rev, char *old_rev, char *path,
-                    int toggle_ssdiff)
+void cgit_diff_link(const char *name, const char *title, const char *class,
+                    const char *head, const char *new_rev, const char *old_rev,
+                    const char *path, int toggle_ssdiff)
 {
         char *delim;
 
@@ -384,14 +387,14 @@ void cgit_diff_link(char *name, char *title, char *class, char *head,
         html("</a>");
 }
 
-void cgit_patch_link(char *name, char *title, char *class, char *head,
-                     char *rev)
+void cgit_patch_link(const char *name, const char *title, const char *class,
+                     const char *head, const char *rev)
 {
         reporevlink("patch", name, title, class, head, rev, NULL);
 }
 
-void cgit_stats_link(char *name, char *title, char *class, char *head,
-                     char *path)
+void cgit_stats_link(const char *name, const char *title, const char *class,
+                     const char *head, const char *path)
 {
         reporevlink("stats", name, title, class, head, NULL, path);
 }
@@ -417,7 +420,7 @@ void cgit_object_link(struct object *obj)
         reporevlink(page, name, NULL, NULL, ctx.qry.head, fullrev, NULL);
 }
 
-void cgit_print_date(time_t secs, char *format, int local_time)
+void cgit_print_date(time_t secs, const char *format, int local_time)
 {
         char buf[64];
         struct tm *time;
@@ -432,7 +435,7 @@ void cgit_print_date(time_t secs, char *format, int local_time)
         html_txt(buf);
 }
 
-void cgit_print_age(time_t t, time_t max_relative, char *format)
+void cgit_print_age(time_t t, time_t max_relative, const char *format)
 {
         time_t now, secs;
 
@@ -611,7 +614,8 @@ int print_archive_ref(const char *refname, const unsigned char *sha1,
         return 0;
 }
 
-void cgit_add_hidden_formfields(int incl_head, int incl_search, char *page)
+void cgit_add_hidden_formfields(int incl_head, int incl_search,
+                                const char *page)
 {
         char *url;
 
diff --git a/ui-shared.h b/ui-shared.h
index 9ebc1f9..308c982 100644
--- a/ui-shared.h
+++ b/ui-shared.h
@@ -10,36 +10,47 @@ extern char *cgit_fileurl(const char *reponame, const char *pagename,
 extern char *cgit_pageurl(const char *reponame, const char *pagename,
                           const char *query);
 
-extern void cgit_index_link(char *name, char *title, char *class,
-                            char *pattern, int ofs);
-extern void cgit_summary_link(char *name, char *title, char *class, char *head);
-extern void cgit_tag_link(char *name, char *title, char *class, char *head,
-                          char *rev);
-extern void cgit_tree_link(char *name, char *title, char *class, char *head,
-                           char *rev, char *path);
-extern void cgit_plain_link(char *name, char *title, char *class, char *head,
-                            char *rev, char *path);
-extern void cgit_log_link(char *name, char *title, char *class, char *head,
-                          char *rev, char *path, int ofs, char *grep,
-                          char *pattern, int showmsg);
-extern void cgit_commit_link(char *name, char *title, char *class, char *head,
-                             char *rev, int toggle_ssdiff);
-extern void cgit_patch_link(char *name, char *title, char *class, char *head,
-                            char *rev);
-extern void cgit_refs_link(char *name, char *title, char *class, char *head,
-                           char *rev, char *path);
-extern void cgit_snapshot_link(char *name, char *title, char *class,
-                               char *head, char *rev, char *archivename);
-extern void cgit_diff_link(char *name, char *title, char *class, char *head,
-                           char *new_rev, char *old_rev, char *path,
-                           int toggle_ssdiff);
-extern void cgit_stats_link(char *name, char *title, char *class, char *head,
-                            char *path);
+extern void cgit_index_link(const char *name, const char *title,
+                            const char *class, const char *pattern, int ofs);
+extern void cgit_summary_link(const char *name, const char *title,
+                              const char *class, const char *head);
+extern void cgit_tag_link(const char *name, const char *title,
+                          const char *class, const char *head,
+                          const char *rev);
+extern void cgit_tree_link(const char *name, const char *title,
+                           const char *class, const char *head,
+                           const char *rev, const char *path);
+extern void cgit_plain_link(const char *name, const char *title,
+                            const char *class, const char *head,
+                            const char *rev, const char *path);
+extern void cgit_log_link(const char *name, const char *title,
+                          const char *class, const char *head, const char *rev,
+                          const char *path, int ofs, const char *grep,
+                          const char *pattern, int showmsg);
+extern void cgit_commit_link(char *name, const char *title,
+                             const char *class, const char *head,
+                             const char *rev, int toggle_ssdiff);
+extern void cgit_patch_link(const char *name, const char *title,
+                            const char *class, const char *head,
+                            const char *rev);
+extern void cgit_refs_link(const char *name, const char *title,
+                           const char *class, const char *head,
+                           const char *rev, const char *path);
+extern void cgit_snapshot_link(const char *name, const char *title,
+                               const char *class, const char *head,
+                               const char *rev, const char *archivename);
+extern void cgit_diff_link(const char *name, const char *title,
+                           const char *class, const char *head,
+                           const char *new_rev, const char *old_rev,
+                           const char *path, int toggle_ssdiff);
+extern void cgit_stats_link(const char *name, const char *title,
+                            const char *class, const char *head,
+                            const char *path);
 extern void cgit_object_link(struct object *obj);
 
-extern void cgit_print_error(char *msg);
-extern void cgit_print_date(time_t secs, char *format, int local_time);
-extern void cgit_print_age(time_t t, time_t max_relative, char *format);
+extern void cgit_print_error(const char *msg);
+extern void cgit_print_date(time_t secs, const char *format, int local_time);
+extern void cgit_print_age(time_t t, time_t max_relative, const char *format);
 extern void cgit_print_http_headers(struct cgit_context *ctx);
 extern void cgit_print_docstart(struct cgit_context *ctx);
 extern void cgit_print_docend();
@@ -48,5 +59,5 @@ extern void cgit_print_filemode(unsigned short mode);
 extern void cgit_print_snapshot_links(const char *repo, const char *head,
                                       const char *hex, int snapshots);
 extern void cgit_add_hidden_formfields(int incl_head, int incl_search,
-                                       char *page);
+                                       const char *page);
 #endif /* UI_SHARED_H */