cal: simplify colormode parsing

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/misc-utils/cal.c b/misc-utils/cal.c
index 0142fd0ec06face3f6adf28ceac03f5b5a684b28..c7c2fee7e6b6f54f4ecf538a785dc159c0fc179a 100644 (file)
--- a/misc-utils/cal.c
+++ b/misc-utils/cal.c
@@ -346,12 +346,9 @@ main(int argc, char **argv) {
                        yflag = 1;
                        break;
                case OPT_COLOR:
-                       if (optarg) {
-                               char *p = *optarg == '=' ? optarg + 1 : optarg;
-                               colormode = colormode_from_string(p);
-                               if (colormode < 0)
-                                       errx(EXIT_FAILURE, _("unsupported color mode: '%s'"), p);
-                       }
+                       if (optarg)
+                               colormode = colormode_or_err(optarg,
+                                               _("unsupported color mode"));
                        break;
                case 'V':
                        printf(UTIL_LINUX_VERSION);