expose a helper function peel_to_type().

diff --git a/pretty.c b/pretty.c
index 5b1078beb6b27f08b196d0e35b4acfb72df643b7..b987ff245b310a6693dc69ba8c71ef2915da7864 100644 (file)
--- a/pretty.c
+++ b/pretty.c
@@ -292,7 +292,18 @@ static void format_person_part(struct strbuf *sb, char part,
        /* parse name */
        for (end = 0; end < len && msg[end] != '<'; end++)
                ; /* do nothing */
+       /*
+        * If it does not even have a '<' and '>', that is
+        * quite a bogus commit author and we discard it;
+        * this is in line with add_user_info() that is used
+        * in the normal codepath.  When end points at the '<'
+        * that we found, it should have matching '>' later,
+        * which means start (beginning of email address) must
+        * be strictly below len.
+        */
        start = end + 1;
+       if (start >= len - 1)
+               return;
        while (end > 0 && isspace(msg[end - 1]))
                end--;
        if (part == 'n') {      /* name */
@@ -300,11 +311,8 @@ static void format_person_part(struct strbuf *sb, char part,
                return;
        }
 
-       if (start >= len)
-               return;
-
        /* parse email */
-       for (end = start + 1; end < len && msg[end] != '>'; end++)
+       for (end = start; end < len && msg[end] != '>'; end++)
                ; /* do nothing */
 
        if (end >= len)