builtin-grep: terminate correctly at EOF

It barfed and segfaulted with an incomplete line.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/builtin-grep.c b/builtin-grep.c
index 2124fa6..e87b5cb 100644 (file)
--- a/builtin-grep.c
+++ b/builtin-grep.c
@@ -264,6 +264,8 @@ static int grep_buffer(struct grep_opt *opt, const char *name,
                }
                *eol = ch;
                bol = eol + 1;
+               if (!left)
+                       break;
                left--;
                lno++;
        }