Add p format modifier for padding to width.

1 files changed, 22 insertions, 1 deletions

diff --git a/utf8.c b/utf8.c
index aa840b13..3f378fb3 100644
--- a/utf8.c
+++ b/utf8.c
@@ -390,7 +390,7 @@ utf8_cstrwidth(const char *s)
 	return (width);
 }
 
-/* Pad UTF-8 string to width. Caller frees. */
+/* Pad UTF-8 string to width on the left. Caller frees. */
 char *
 utf8_padcstr(const char *s, u_int width)
 {
@@ -411,6 +411,27 @@ utf8_padcstr(const char *s, u_int width)
 	return (out);
 }
 
+/* Pad UTF-8 string to width on the right. Caller frees. */
+char *
+utf8_rpadcstr(const char *s, u_int width)
+{
+	size_t	 slen;
+	char	*out;
+	u_int	  n, i;
+
+	n = utf8_cstrwidth(s);
+	if (n >= width)
+		return (xstrdup(s));
+
+	slen = strlen(s);
+	out = xmalloc(slen + 1 + (width - n));
+	for (i = 0; i < width - n; i++)
+		out[i] = ' ';
+	memcpy(out + i, s, slen);
+	out[i + slen] = '\0';
+	return (out);
+}
+
 int
 utf8_cstrhas(const char *s, const struct utf8_data *ud)
 {