Add strbuf_add_wrapped_text() to utf8.[ch]

The newly added function can rewrap text according to a given first-line
indent, other-indent and text width.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

1 files changed, 2 insertions, 0 deletions

diff --git a/utf8.h b/utf8.h
index 2f1b14ff49..ae30ae4c6e 100644
--- a/utf8.h
+++ b/utf8.h
@@ -10,6 +10,8 @@ int is_utf8(const char *text);
 int is_encoding_utf8(const char *name);
 
 int print_wrapped_text(const char *text, int indent, int indent2, int len);
+int strbuf_add_wrapped_text(struct strbuf *buf,
+		const char *text, int indent, int indent2, int width);
 
 #ifndef NO_ICONV
 char *reencode_string(const char *in, const char *out_encoding, const char *in_encoding);