Applied patch from Matt Kraai which does the following:

 - adds case-insensitive matching in sed s/// epxressions
 - consolodates common regcomp code in grep & sed into bb_regcomp and put in
   utility.c
 - cleans up a bunch of cruft

1 files changed, 1 insertions, 14 deletions

diff --git a/findutils/grep.c b/findutils/grep.c
index 8d2c915be..dec365f05 100644
--- a/findutils/grep.c
+++ b/findutils/grep.c
@@ -104,7 +104,6 @@ extern int grep_main(int argc, char **argv)
 {
         int opt;
         int reflags;
-        int ret;
 
         /* do special-case option parsing */
         if (argv[1] && (strcmp(argv[1], "--help") == 0))
@@ -147,20 +146,8 @@ extern int grep_main(int argc, char **argv)
         reflags = REG_NOSUB | REG_NEWLINE; 
         if (ignore_case)
                 reflags |= REG_ICASE;
-        if ((ret = regcomp(&regex, argv[optind], reflags)) != 0) {
-                int errmsgsz = regerror(ret, &regex, NULL, 0);
-                char *errmsg = malloc(errmsgsz);
-                if (errmsg == NULL) {
-                        fprintf(stderr, "grep: memory error\n");
-                        regfree(&regex);
-                        exit(1);
-                }
-                regerror(ret, &regex, errmsg, errmsgsz);
-                fprintf(stderr, "grep: %s\n", errmsg);
-                free(errmsg);
-                regfree(&regex);
+        if (bb_regcomp(&regex, argv[optind], reflags) != 0)
                 exit(1);
-        }
 
         /* argv[(optind+1)..(argc-1)] should be names of file to grep through. If
          * there is more than one file to grep, we will print the filenames */