From 98ebced475975d1dd0cb733d11e2413e8bb54c54 Mon Sep 17 00:00:00 2001
From: Francois Fleuret <francois@fleuret.org>
Date: Fri, 10 Feb 2012 11:25:38 +0100
Subject: [PATCH] The highlight for regexp match seems to work.

---
 selector.c | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/selector.c b/selector.c
index a4d9ee5..81286d6 100644
--- a/selector.c
+++ b/selector.c
@@ -389,6 +389,7 @@ int add_interval(int n, int *switches, int start, int end) {
 int match(struct matcher *matcher, char *string, int *nb_switches, int *switches) {
   int n;
   char *where;
+  regmatch_t matches;
 
   if(nb_switches) { *nb_switches = 0; }
 
@@ -432,7 +433,16 @@ int match(struct matcher *matcher, char *string, int *nb_switches, int *switches
     }
     return 1;
   } else {
-    return regexec(&matcher->preg, string, 0, 0, 0) == 0;
+    if(regexec(&matcher->preg, string, 1, &matches, 0) == 0) {
+      if(switches) {
+        *nb_switches = 2;
+        switches[0] = matches.rm_so;
+        switches[1] = matches.rm_eo;
+      }
+      return 1;
+    } else {
+      return 0;
+    }
   }
 }
 
@@ -630,10 +640,10 @@ void update_screen(int *current_focus_line, int *displayed_focus_line,
 
   initialize_matcher(&matcher, use_regexp, case_sensitive, pattern);
 
-  if(show_hits && matcher.nb_patterns > 0) {
+  if(show_hits && matcher.nb_patterns >= 0) {
     switches = safe_malloc(sizeof(int) * matcher.nb_patterns * 2);
   } else {
-    switches = 0;
+    switches = safe_malloc(sizeof(int) * 2);
   }
 
   console_width = getmaxx(stdscr);
@@ -769,6 +779,7 @@ void update_screen(int *current_focus_line, int *displayed_focus_line,
               buffer[k++] = '\n';
               buffer[k++] = '\0';
             }
+
             print_string_with_switches(buffer, k, console_width,
                                        nb_switches / 2, switches);
           }
-- 
2.20.1