2 files changed, 15 insertions, 0 deletions

diff --git a/ui-diff.c b/ui-diff.c
index 1656b77..0dcabe9 100644
--- a/ui-diff.c
+++ b/ui-diff.c
@@ -150,48 +150,53 @@ static void inspect_filepair(struct diff_filepair *pair)
 	if (lines_added + lines_removed > max_changes)
 		max_changes = lines_added + lines_removed;
 	total_adds += lines_added;
 	total_rems += lines_removed;
 }
 
 void cgit_print_diffstat(const unsigned char *old_sha1,
 			 const unsigned char *new_sha1, const char *prefix)
 {
 	int i, save_context = ctx.qry.context;
 
 	html("<div class='diffstat-header'>");
 	cgit_diff_link("Diffstat", NULL, NULL, ctx.qry.head, ctx.qry.sha1,
 		       ctx.qry.sha2, NULL, 0);
 	if (prefix)
 		htmlf(" (limited to '%s')", prefix);
 	html(" (");
 	ctx.qry.context = (save_context > 0 ? save_context : 3) << 1;
 	cgit_self_link("more", NULL, NULL, &ctx);
 	html("/");
 	ctx.qry.context = (save_context > 3 ? save_context : 3) >> 1;
 	cgit_self_link("less", NULL, NULL, &ctx);
 	ctx.qry.context = save_context;
 	html(" context)");
+	html(" (");
+	ctx.qry.ignorews = (ctx.qry.ignorews + 1) % 2;
+	cgit_self_link(ctx.qry.ignorews ? "ignore" : "show", NULL, NULL, &ctx);
+	ctx.qry.ignorews = (ctx.qry.ignorews + 1) % 2;
+	html(" whitespace changes)");
 	html("</div>");
 	html("<table summary='diffstat' class='diffstat'>");
 	max_changes = 0;
 	cgit_diff_tree(old_sha1, new_sha1, inspect_filepair, prefix,
 		       ctx.qry.ignorews);
 	for(i = 0; i<files; i++)
 		print_fileinfo(&items[i]);
 	html("</table>");
 	html("<div class='diffstat-summary'>");
 	htmlf("%d files changed, %d insertions, %d deletions",
 	      files, total_adds, total_rems);
 	html("</div>");
 }
 
 
 /*
  * print a single line returned from xdiff
  */
 static void print_line(char *line, int len)
 {
 	char *class = "ctx";
 	char c = line[len-1];
 
 	if (line[0] == '+')
diff --git a/ui-shared.c b/ui-shared.c
index c99bcec..f46c935 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -328,96 +328,106 @@ void cgit_commit_link(char *name, const char *title, const char *class,
 		name[ctx.cfg.max_msg_len - 2] = '.';
 		name[ctx.cfg.max_msg_len - 3] = '.';
 	}
 
 	char *delim;
 
 	delim = repolink(title, class, "commit", head, path);
 	if (rev && strcmp(rev, ctx.qry.head)) {
 		html(delim);
 		html("id=");
 		html_url_arg(rev);
 		delim = "&amp;";
 	}
 	if ((ctx.qry.ssdiff && !toggle_ssdiff) || (!ctx.qry.ssdiff && toggle_ssdiff)) {
 		html(delim);
 		html("ss=1");
 		delim = "&amp;";
 	}
 	if (ctx.qry.context > 0 && ctx.qry.context != 3) {
 		html(delim);
 		html("context=");
 		htmlf("%d", ctx.qry.context);
 		delim = "&amp;";
 	}
+	if (ctx.qry.ignorews) {
+		html(delim);
+		html("ignorews=1");
+		delim = "&amp;";
+	}
 	html("'>");
 	html_txt(name);
 	html("</a>");
 }
 
 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(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(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;
 
 	delim = repolink(title, class, "diff", head, path);
 	if (new_rev && ctx.qry.head != NULL && strcmp(new_rev, ctx.qry.head)) {
 		html(delim);
 		html("id=");
 		html_url_arg(new_rev);
 		delim = "&amp;";
 	}
 	if (old_rev) {
 		html(delim);
 		html("id2=");
 		html_url_arg(old_rev);
 		delim = "&amp;";
 	}
 	if ((ctx.qry.ssdiff && !toggle_ssdiff) || (!ctx.qry.ssdiff && toggle_ssdiff)) {
 		html(delim);
 		html("ss=1");
 		delim = "&amp;";
 	}
 	if (ctx.qry.context > 0 && ctx.qry.context != 3) {
 		html(delim);
 		html("context=");
 		htmlf("%d", ctx.qry.context);
 		delim = "&amp;";
 	}
+	if (ctx.qry.ignorews) {
+		html(delim);
+		html("ignorews=1");
+		delim = "&amp;";
+	}
 	html("'>");
 	html_txt(name);
 	html("</a>");
 }
 
 void cgit_patch_link(const char *name, const char *title, const char *class,
 		     const char *head, const char *rev, const char *path)
 {
 	reporevlink("patch", name, title, class, head, rev, 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);
 }
 
 void cgit_self_link(char *name, const char *title, const char *class,
 		    struct cgit_context *ctx)
 {
 	if (!strcmp(ctx->qry.page, "repolist"))
 		return cgit_index_link(name, title, class, ctx->qry.search,
 				       ctx->qry.ofs);
 	else if (!strcmp(ctx->qry.page, "summary"))