pretty: factor out skip_empty_lines()

The patch after the next one will use it.

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/pretty.c b/pretty.c
index f6ff31264b6908bac8bf71678e2eaf2e0cefc100..c43497bb24c89d4e0ca5d2c4afba12c8b8f1280f 100644 (file)
--- a/pretty.c
+++ b/pretty.c
@@ -181,6 +181,20 @@ static int is_empty_line(const char *line, int *len_p)
        return !len;
 }
 
+static const char *skip_empty_lines(const char *msg)
+{
+       for (;;) {
+               int linelen = get_one_line(msg);
+               int ll = linelen;
+               if (!linelen)
+                       break;
+               if (!is_empty_line(msg, &ll))
+                       break;
+               msg += linelen;
+       }
+       return msg;
+}
+
 static void add_merge_info(enum cmit_fmt fmt, struct strbuf *sb,
                        const struct commit *commit, int abbrev)
 {
@@ -850,15 +864,7 @@ void pretty_print_commit(enum cmit_fmt fmt, const struct commit *commit,
        }
 
        /* Skip excess blank lines at the beginning of body, if any... */
-       for (;;) {
-               int linelen = get_one_line(msg);
-               int ll = linelen;
-               if (!linelen)
-                       break;
-               if (!is_empty_line(msg, &ll))
-                       break;
-               msg += linelen;
-       }
+       msg = skip_empty_lines(msg);
 
        /* These formats treat the title line specially. */
        if (fmt == CMIT_FMT_ONELINE || fmt == CMIT_FMT_EMAIL)