Define flags with macros, to ensure unsignedness.

diff --git a/mdwopt.h b/mdwopt.h
index 1205b7b..9a67426 100644 (file)
--- a/mdwopt.h
+++ b/mdwopt.h
@@ -1,6 +1,6 @@
 /* -*-c-*-
  *
- * $Id: mdwopt.h,v 1.8 1999/08/19 18:37:43 mdw Exp $
+ * $Id: mdwopt.h,v 1.9 2001/01/20 12:00:36 mdw Exp $
  *
  * Options parsing, similar to GNU @getopt_long@
  *
@@ -30,6 +30,9 @@
 /*----- Revision history --------------------------------------------------*
  *
  * $Log: mdwopt.h,v $
+ * Revision 1.9  2001/01/20 12:00:36  mdw
+ * Define flags with macros, to ensure unsignedness.
+ *
  * Revision 1.8  1999/08/19 18:37:43  mdw
  * Fix stupid error.
  *
@@ -152,28 +155,22 @@ enum {
 
 /* --- New style flag names --- */
 
-enum {
-  OPTF_NOARG = 0,                      /* No argument */
-  OPTF_ARGREQ = 1,                     /* Required argument */
-  OPTF_ARGOPT = 2,                     /* Optional argument */
-  OPTF_ARG = 3,                                /* Argument type bitmask */
-  OPTF_SWITCH = 4,                     /* OR val into flag, don't store */
-  OPTF_NEGATE = 8                      /* Allow long option to be negated */
-};
-
-enum {
-  OPTF_NOLONGS = 1,                    /* Don't read long options */
-  OPTF_NOSHORTS = 2,                   /* Don't read short options */
-  OPTF_NUMBERS = 4,                    /* Read numeric options */
-  OPTF_NEGATION = 8,                   /* Allow `%|+|%' for negations */
-  OPTF_ENVVAR = 16,                    /* Parse options from env var */
-  OPTF_NOPROGNAME = 32,                        /* Don't set @optprog@  */
-  OPTF_NEGNUMBER = 64                  /* Allow negated number options */
-};
-
-enum {
-  OPTF_NEGATED = 256                   /* Option flag was negated by user */
-};
+#define OPTF_NOARG 0u                  /* No argument */
+#define OPTF_ARGREQ 1u                 /* Required argument */
+#define OPTF_ARGOPT 2u                 /* Optional argument */
+#define OPTF_ARG 3u                    /* Argument type bitmask */
+#define OPTF_SWITCH 4u                 /* OR val into flag, don't store */
+#define OPTF_NEGATE 8u                 /* Allow long option to be negated */
+
+#define OPTF_NOLONGS 1u                        /* Don't read long options */
+#define OPTF_NOSHORTS 2u               /* Don't read short options */
+#define OPTF_NUMBERS 4u                        /* Read numeric options */
+#define OPTF_NEGATION 8u               /* Allow `%|+|%' for negations */
+#define OPTF_ENVVAR 16u                        /* Parse options from env var */
+#define OPTF_NOPROGNAME 32u            /* Don't set @optprog@  */
+#define OPTF_NEGNUMBER 64u             /* Allow negated number options */
+
+#define OPTF_NEGATED 256u              /* Option flag was negated by user */
 
 /* --- Older new-style names --- */