From: Karel Zak <kzak@redhat.com>
Date: Fri, 22 Nov 2013 12:31:15 +0000 (+0100)
Subject: lib/tt: add tb_get_nlines()
X-Git-Tag: v2.25-rc1~536
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=575a1de03a38bdcc9c9697041633732ea34f1021;p=thirdparty%2Futil-linux.git

lib/tt: add tb_get_nlines()

Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/include/tt.h b/include/tt.h
index 11bd81e4bd..ce76524ac7 100644
--- a/include/tt.h
+++ b/include/tt.h
@@ -95,6 +95,8 @@ extern int tt_line_set_userdata(struct tt_line *ln, void *data);
 extern void tt_fputs_quoted(const char *data, FILE *out);
 extern void tt_fputs_nonblank(const char *data, FILE *out);
 
+extern size_t tb_get_nlines(struct tt *tb);
+
 static inline int tt_is_empty(struct tt *tb)
 {
 	return !tb || list_empty(&tb->tb_lines);
diff --git a/lib/tt.c b/lib/tt.c
index 46fc00e878..e94524e861 100644
--- a/lib/tt.c
+++ b/lib/tt.c
@@ -223,6 +223,19 @@ void tt_set_stream(struct tt *tb, FILE *out)
 	tb->out = out;
 }
 
+size_t tb_get_nlines(struct tt *tb)
+{
+	struct list_head *p;
+	size_t ct = 0;
+
+	if (tt_is_empty(tb))
+		return 0;
+
+	list_for_each(p, &tb->tb_lines)
+		ct++;
+	return ct;
+}
+
 void tt_remove_lines(struct tt *tb)
 {
 	if (!tb)