From aba2a0fd6d1db0f06fcd8840a538e64391430e38 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Sun, 19 Nov 2000 07:41:20 +0000
Subject: (GETOPT_HELP_CHAR, GETOPT_VERSION_CHAR): Now enum constants rather
 than macros.  Use values that cannot conflict with C characters or with -1,
 CHAR_MAX + 1, etc.

---
 src/sys2.h | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/sys2.h b/src/sys2.h
index ed18a6cbc..74a9728ce 100644
--- a/src/sys2.h
+++ b/src/sys2.h
@@ -427,8 +427,14 @@ char *base_name PARAMS ((char const *));
 
 /* Factor out some of the common --help and --version processing code.  */
 
-#define GETOPT_HELP_CHAR 250
-#define GETOPT_VERSION_CHAR 251
+/* These enum values cannot possibly conflict with the option values
+   ordinarily used by commands, including CHAR_MAX + 1, etc.  Avoid
+   CHAR_MIN - 1, as it may equal -1, the getopt end-of-options value.  */
+enum
+{
+  GETOPT_HELP_CHAR = (CHAR_MIN - 2),
+  GETOPT_VERSION_CHAR = (CHAR_MIN - 3)
+};
 
 #define GETOPT_HELP_OPTION_DECL \
   "help", no_argument, 0, GETOPT_HELP_CHAR
-- 
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