Fix some of the tests for MinGW and fix the use of Sleep/usleep for MinGW & MSVC platforms

* Sleep takes ms, not s
* Use sleep/Sleep rather than usleep in the cdchange sample, as usleep
  is not available on recent MinGW platforms

From pbatard branch.

example/cdchange.c

@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011
+  Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
   Rocky Bernstein <rocky@gnu.org>
   
   This program is free software: you can redistribute it and/or modify
@@ -26,7 +26,9 @@
 #include <cdio/cdio.h>
 
 /* Test media changed */
+#ifdef HAVE_STDIO_H
 # include <stdio.h>
+#endif
 
 #ifdef HAVE_LIMITS_H
 # include <limits.h>
@@ -51,22 +53,22 @@
 #ifdef HAVE_WINDOWS_H
 # include <windows.h>
 #endif
-
+#if !defined(HAVE_SLEEP) && defined(_WIN32)
-#ifndef HAVE_USLEEP
+#include <windows.h>
-#error usleep() unimplemented
+#define sleep(s) Sleep(1000*s)
 #endif
 
 int
 main(int argc, const char *argv[])
 {
   CdIo_t *p_cdio;
-  unsigned long i_sleep_ms = (30 * 1000000);
+  unsigned int i_sleep = 30;
   if (argc > 1) {
     p_cdio = cdio_open (argv[1], DRIVER_DEVICE);
     if (argc > 2) {
       errno = 0;
-      i_sleep_ms = strtol(argv[2], (char **)NULL, 10) * 1000000;
+      i_sleep = strtol(argv[2], (char **)NULL, 10);
-      if ( (LONG_MIN == i_sleep_ms || LONG_MAX == i_sleep_ms) && errno != 0 ) {
+      if ( (LONG_MIN == i_sleep || LONG_MAX == i_sleep) && errno != 0 ) {
 	printf("Invalid sleep parameter %s\n", argv[2]);
 	printf("Error reported back from strtol: %s\n", strerror(errno));
 	return 2;
@@ -86,13 +88,9 @@ main(int argc, const char *argv[])
   else 
     printf("Initial media status: not changed\n");
 
-  printf("Giving you %g seconds to change CD if you want to do so.\n",
+  printf("Giving you %d seconds to change CD if you want to do so.\n",
-	 i_sleep_ms / 1000000.0);
+	 i_sleep);
-  {
+  sleep(i_sleep);
-      int i_ret = usleep(i_sleep_ms);
-      if (0 != i_ret) 
-	  fprintf(stderr, "Something went wrong with usleep\n");
-  }
   if (cdio_get_media_changed(p_cdio))
     printf("Media status: changed\n");
   else 

test/driver/mmc_read.c

@@ -1,6 +1,6 @@
 /* -*- C -*-
   Copyright (C) 2009 Thomas Schmitt <scdbackup@gmx.net>
-  Copyright (C) 2010, 2011 Rocky Bernstein <rocky@gnu.org>
+  Copyright (C) 2010, 2011, 2012 Rocky Bernstein <rocky@gnu.org>
 
   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -36,7 +36,16 @@
 #ifdef HAVE_STDLIB_H
 #include <stdlib.h>
 #endif
+#ifdef HAVE_STRING_H
 #include <string.h>
+#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#if !defined(HAVE_SLEEP) && defined(_WIN32)
+#include <windows.h>
+#define sleep(s) Sleep(1000*s)
+#endif
 
 #define SKIP_TEST 77
 

test/driver/mmc_write.c

@@ -1,6 +1,6 @@
 /* -*- C -*-
   Copyright (C) 2009 Thomas Schmitt <scdbackup@gmx.net>
-  Copyright (C) 2010 Rocky Bernstein <rocky@gnu.org>
+  Copyright (C) 2010, 2012 Rocky Bernstein <rocky@gnu.org>
 
   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -36,7 +36,13 @@
 #ifdef HAVE_STDLIB_H
 # include <stdlib.h>
 #endif
+#ifdef HAVE_STRING_H
 # include <string.h>
+#endif
+#if !defined(HAVE_SLEEP) && defined(_WIN32)
+# include <windows.h>
+# define sleep(s) Sleep(1000*s)
+#endif
 
 #define SKIP_TEST 77
 
@@ -518,7 +524,7 @@ test_rwr_mode_page(CdIo_t *p_cdio, unsigned int i_flag)
     } else if (memcmp(buf, old_buf, i_size) != 0) {
 	fprintf(stderr,
 		"test_rwr_mode_page: Mode page was not restored to old state.\n");
-	final_return = -1;
+	final_return = final_return > 0 ? -1 : final_return;
     } 
     if (i_flag & 1)
 	printf("test_rwr_mode_page: Mode page 2Ah restored to previous state\n");

test/driver/realpath.c

@@ -47,6 +47,14 @@
 #ifdef HAVE_UNISTD_H
 # include <unistd.h>
 #endif
+#if defined(_WIN32) && !defined(__CYGWIN__)
+#include <windows.h>
+#include <direct.h> /* _mkdir */
+/* MinGW, MSVC do not have symlink */
+#define symlink(oldpath, newpath) CopyFileA(oldpath, newpath, FALSE)
+#else
+#define _mkdir(a) mkdir(a, S_IRWXU)
+#endif
 
 #ifdef HAVE_ERRNO_H
 # include <errno.h>
@@ -102,7 +110,7 @@ main(int argc, const char *argv[])
         exit(77);
     }
 
-    if (-1 == check_rc(mkdir(psz_tmp_subdir, 0700),
+    if (-1 == check_rc(_mkdir(psz_tmp_subdir),
                        "mkdir", psz_tmp_subdir))
         exit(77);