grep: do not segfault when -f is used

diff --git a/grep.h b/grep.h
index 3f75e3a3d4d3136d850b8c0204206f5ac9459a1d..5581363c4ddb988830f9c9b776b057821107f92a 100644 (file)
--- a/grep.h
+++ b/grep.h
@@ -59,6 +59,7 @@ struct grep_opt {
        struct grep_pat *pattern_list;
        struct grep_pat **pattern_tail;
        struct grep_expr *pattern_expression;
+       const char *prefix;
        int prefix_length;
        regex_t regexp;
        int linenum;
@@ -87,6 +88,7 @@ struct grep_opt {
        unsigned post_context;
        unsigned last_shown;
        int show_hunk_mark;
+       void *priv;
 };
 
 extern void append_grep_pattern(struct grep_opt *opt, const char *pat, const char *origin, int no, enum grep_pat_token t);