grep: accept and ignore --color[=anything]

function                                             old     new   delta
grep_main                                            827     834      +7

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/findutils/grep.c b/findutils/grep.c
index 88de0d4ef18c6e18037e1465db0ee0e7c294034f..3e8ea9239dcfeebf5b186a0728b50b2cb9cf13da 100644 (file)
--- a/findutils/grep.c
+++ b/findutils/grep.c
@@ -704,10 +704,15 @@ int grep_main(int argc UNUSED_PARAM, char **argv)
        /* do normal option parsing */
 #if ENABLE_FEATURE_GREP_CONTEXT
        /* -H unsets -h; -C unsets -A,-B */
-       opts = getopt32(argv,
-               "^" OPTSTR_GREP "\0" "H-h:C-AB",
+       opts = getopt32long(argv, "^"
+               OPTSTR_GREP
+                       "\0"
+                       "H-h:C-AB",
+               "color\0" Optional_argument "\xff",
                &pattern_head, &fopt, &max_matches,
-               &lines_after, &lines_before, &Copt);
+               &lines_after, &lines_before, &Copt
+               , NULL
+       );
 
        if (opts & OPT_C) {
                /* -C unsets prev -A and -B, but following -A or -B