ui-shared: remove toggle_ssdiff arg to cgit_diff_link()

This argument is never used with a value other than zero, so remove it
and simplify the code.

Signed-off-by: John Keeping <john@keeping.me.uk>

ui-commit.c

@@ -99,7 +99,7 @@ void cgit_print_commit(char *hex, const char *prefix)
 		cgit_commit_link(tmp2, NULL, NULL, ctx.qry.head, tmp, prefix);
 		html(" (");
 		cgit_diff_link("diff", NULL, NULL, ctx.qry.head, hex,
-			       sha1_to_hex(p->item->object.sha1), prefix, 0);
+			       sha1_to_hex(p->item->object.sha1), prefix);
 		html(")</td></tr>");
 		parents++;
 	}

ui-diff.c

@@ -97,7 +97,7 @@ static void print_fileinfo(struct fileinfo *info)
 	}
 	htmlf("</td><td class='%s'>", class);
 	cgit_diff_link(info->new_path, NULL, NULL, ctx.qry.head, ctx.qry.sha1,
-		       ctx.qry.sha2, info->new_path, 0);
+		       ctx.qry.sha2, info->new_path);
 	if (info->status == DIFF_STATUS_COPIED || info->status == DIFF_STATUS_RENAMED) {
 		htmlf(" (%s from ",
 		      info->status == DIFF_STATUS_COPIED ? "copied" : "renamed");
@@ -175,7 +175,7 @@ static void cgit_print_diffstat(const unsigned char *old_sha1,
 
 	html("<div class='diffstat-header'>");
 	cgit_diff_link("Diffstat", NULL, NULL, ctx.qry.head, ctx.qry.sha1,
-		       ctx.qry.sha2, NULL, 0);
+		       ctx.qry.sha2, NULL);
 	if (prefix) {
 		html(" (limited to '");
 		html_txt(prefix);

ui-shared.c

@@ -385,7 +385,7 @@ void cgit_snapshot_link(const char *name, const char *title, const char *class,
 
 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)
+		    const char *path)
 {
 	char *delim;
 
@@ -402,7 +402,7 @@ void cgit_diff_link(const char *name, const char *title, const char *class,
 		html_url_arg(old_rev);
 		delim = "&";
 	}
-	if ((ctx.qry.ssdiff && !toggle_ssdiff) || (!ctx.qry.ssdiff && toggle_ssdiff)) {
+	if (ctx.qry.ssdiff) {
 		html(delim);
 		html("ss=1");
 		delim = "&";
@@ -478,7 +478,7 @@ static void cgit_self_link(char *name, const char *title, const char *class)
 	else if (!strcmp(ctx.qry.page, "diff"))
 		cgit_diff_link(name, title, class, ctx.qry.head,
 			       ctx.qry.sha1, ctx.qry.sha2,
-			       ctx.qry.path, 0);
+			       ctx.qry.path);
 	else if (!strcmp(ctx.qry.page, "stats"))
 		cgit_stats_link(name, title, class, ctx.qry.head,
 				ctx.qry.path);
@@ -876,7 +876,7 @@ void cgit_print_pageheader(void)
 		cgit_commit_link("commit", NULL, hc("commit"),
 				 ctx.qry.head, ctx.qry.sha1, ctx.qry.vpath);
 		cgit_diff_link("diff", NULL, hc("diff"), ctx.qry.head,
-			       ctx.qry.sha1, ctx.qry.sha2, ctx.qry.vpath, 0);
+			       ctx.qry.sha1, ctx.qry.sha2, ctx.qry.vpath);
 		if (ctx.repo->max_stats)
 			cgit_stats_link("stats", NULL, hc("stats"),
 					ctx.qry.head, ctx.qry.vpath);

ui-shared.h

@@ -43,7 +43,7 @@ extern void cgit_snapshot_link(const char *name, const char *title,
 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);
+			   const char *path);
 extern void cgit_stats_link(const char *name, const char *title,
 			    const char *class, const char *head,
 			    const char *path);