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a hyperfast web frontend for git written in c 

ui-shared: make a char* parameter const

All cgit_xxx_link functions take const char* for the 'name' parameter,
except for cgit_commit_link, which takes a char* and subsequently
modifies the contents.  Avoiding the content changes, and making it
const char* will avoid the need to make copies of const char* strings
being passed to cgit_commit_link.

Signed-off-by: Jeff Smith <whydoubt@gmail.com>
Reviewed-by: John Keeping <john@keeping.me.uk>
Jeff Smith whydoubt@gmail.com
Sun, 01 Oct 2017 23:39:07 -0500
commit

f6ffe40d1a2c985494e48dc2d36663ffde1e6044

parent

9337c7ee83221d48d02c3c7b5c9dcbaca23ad92f

2 files changed, 9 insertions(+), 12 deletions(-)

jump to
M ui-shared.c → ui-shared.c 
@@ -347,17 +347,10 @@ html_txt(name);
 	html("</a>");
 }
 
-void cgit_commit_link(char *name, const char *title, const char *class,
+void cgit_commit_link(const char *name, const char *title, const char *class,
 		      const char *head, const char *rev, const char *path)
 {
 	char *delim;
-
-	if (strlen(name) > ctx.cfg.max_msg_len && ctx.cfg.max_msg_len >= 15) {
-		name[ctx.cfg.max_msg_len] = '\0';
-		name[ctx.cfg.max_msg_len - 1] = '.';
-		name[ctx.cfg.max_msg_len - 2] = '.';
-		name[ctx.cfg.max_msg_len - 3] = '.';
-	}
 
 	delim = repolink(title, class, "commit", head, path);
 	if (rev && ctx.qry.head && strcmp(rev, ctx.qry.head)) {

@@ -387,9 +380,13 @@ html(delim);
 		html("follow=1");
 	}
 	html("'>");
-	if (name[0] != '\0')
-		html_txt(name);
-	else
+	if (name[0] != '\0') {
+		if (strlen(name) > ctx.cfg.max_msg_len && ctx.cfg.max_msg_len >= 15) {
+			html_ntxt(name, ctx.cfg.max_msg_len - 3);
+			html("...");
+		} else
+			html_txt(name);
+	} else
 		html_txt("(no commit message)");
 	html("</a>");
 }
M ui-shared.h → ui-shared.h 
@@ -30,7 +30,7 @@ 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, int follow);
-extern void cgit_commit_link(char *name, const char *title,
+extern void cgit_commit_link(const char *name, const char *title,
 			     const char *class, const char *head,
 			     const char *rev, const char *path);
 extern void cgit_patch_link(const char *name, const char *title,