From af331a9e7cae7ede8d7af2e4f711230315f8a781 Mon Sep 17 00:00:00 2001
From: Leonid Yuriev <leo@yuriev.ru>
Date: Fri, 25 Sep 2020 01:49:01 +0300
Subject: [PATCH] mdbx-tools: fix getopt's messages for windows.

Thank to Andrey Sporaw for the reporting.

Change-Id: I7531427c48b1a2f5483e2f04175cded2d34062a8
---
 src/wingetopt.c | 13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/src/wingetopt.c b/src/wingetopt.c
index 7feb223f..4f27d648 100644
--- a/src/wingetopt.c
+++ b/src/wingetopt.c
@@ -40,14 +40,6 @@
 #define EOF (-1)
 #endif
 
-#define ERR(s, c)                                                              \
-  if (opterr) {                                                                \
-    fputs(argv[0], stderr);                                                    \
-    fputs(s, stderr);                                                          \
-    fputc(c, stderr);                                                          \
-  }
-
-int opterr = 1;
 int optind = 1;
 int optopt;
 char *optarg;
@@ -67,7 +59,7 @@ int getopt(int argc, char *const argv[], const char *opts) {
   }
   optopt = c = argv[optind][sp];
   if (c == ':' || (cp = strchr(opts, c)) == NULL) {
-    ERR(": illegal option -- ", c);
+    fprintf(stderr, "%s: %s -- %c\n", argv[0], "illegal option", c);
     if (argv[optind][++sp] == '\0') {
       optind++;
       sp = 1;
@@ -78,7 +70,8 @@ int getopt(int argc, char *const argv[], const char *opts) {
     if (argv[optind][sp + 1] != '\0')
       optarg = &argv[optind++][sp + 1];
     else if (++optind >= argc) {
-      ERR(": option requires an argument -- ", c);
+      fprintf(stderr, "%s: %s -- %c\n", argv[0], "option requires an argument",
+              c);
       sp = 1;
       return '?';
     } else