utf8_width(): allow non NUL-terminated input

The original interface assumed that the input string is
always terminated with a NUL, but that wasn't too useful.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/utf8.h b/utf8.h
index 4a7f046..98cce1b 100644
--- a/utf8.h
+++ b/utf8.h
@@ -3,8 +3,8 @@
 
 typedef unsigned int ucs_char_t;  /* assuming 32bit int */
 
-ucs_char_t pick_one_utf8_char(const char **start);
-int utf8_width(const char **start);
+ucs_char_t pick_one_utf8_char(const char **start, size_t *remainder_p);
+int utf8_width(const char **start, size_t *remainder_p);
 int is_utf8(const char *text);
 int is_encoding_utf8(const char *name);