diff options
Diffstat (limited to 'grep.c')
| -rw-r--r-- | grep.c | 15 |
1 files changed, 7 insertions, 8 deletions
@@ -708,6 +708,7 @@ void compile_grep_patterns(struct grep_opt *opt) { struct grep_pat *p; struct grep_expr *header_expr = prep_header_patterns(opt); + int extended = 0; for (p = opt->pattern_list; p; p = p->next) { switch (p->token) { @@ -717,14 +718,14 @@ void compile_grep_patterns(struct grep_opt *opt) compile_regexp(p, opt); break; default: - opt->extended = 1; + extended = 1; break; } } if (opt->all_match || opt->no_body_match || header_expr) - opt->extended = 1; - else if (!opt->extended) + extended = 1; + else if (!extended) return; p = opt->pattern_list; @@ -790,7 +791,7 @@ void free_grep_patterns(struct grep_opt *opt) free(p); } - if (!opt->extended) + if (!opt->pattern_expression) return; free_pattern_expr(opt->pattern_expression); } @@ -971,8 +972,6 @@ static int match_expr_eval(struct grep_opt *opt, struct grep_expr *x, { int h = 0; - if (!x) - die("Not a valid grep expression"); switch (x->node) { case GREP_NODE_TRUE: h = 1; @@ -1052,7 +1051,7 @@ static int match_line(struct grep_opt *opt, struct grep_pat *p; int hit = 0; - if (opt->extended) + if (opt->pattern_expression) return match_expr(opt, bol, eol, ctx, col, icol, collect_hits); @@ -1370,7 +1369,7 @@ static int should_lookahead(struct grep_opt *opt) { struct grep_pat *p; - if (opt->extended) + if (opt->pattern_expression) return 0; /* punt for too complex stuff */ if (opt->invert) return 0; |