tools: clean up mingw ifdefs

We have a header file specifically for mingw cruft, so keep it there
to avoid crap spreading into the main tools.  This lets our devs just
worry about *nix systems.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

tools/mingw_support.h

@@ -34,6 +34,14 @@
 #define MAP_SHARED	0x01		/* Share changes */
 #define MAP_PRIVATE	0x02		/* Changes are private */
 
+/* File perms */
+#ifndef S_IRGRP
+# define S_IRGRP 0
+#endif
+#ifndef S_IWGRP
+# define S_IWGRP 0
+#endif
+
 /* Windows 64-bit access macros */
 #define LODWORD(x) ((DWORD)((DWORDLONG)(x)))
 #define HIDWORD(x) ((DWORD)(((DWORDLONG)(x) >> 32) & 0xffffffff))

tools/mkenvimage.c

@@ -46,13 +46,6 @@
 
 #define CRC_SIZE sizeof(uint32_t)
 
-#ifdef __MINGW32__
-#define FILE_PERM		(S_IRUSR | S_IWUSR)
-#else
-#define FILE_PERM		(S_IRUSR | S_IWUSR | S_IRGRP |\
-					     S_IWGRP)
-#endif
-
 static void usage(const char *exec_name)
 {
 	fprintf(stderr, "%s [-h] [-r] [-b] [-p <byte>] -s <environment partition size> -o <output> <input file>\n"
@@ -300,7 +293,8 @@ int main(int argc, char **argv)
 	if (!bin_filename || strcmp(bin_filename, "-") == 0) {
 		bin_fd = STDOUT_FILENO;
 	} else {
-		bin_fd = creat(bin_filename, FILE_PERM);
+		bin_fd = creat(bin_filename, S_IRUSR | S_IWUSR | S_IRGRP |
+					     S_IWGRP);
 		if (bin_fd == -1) {
 			fprintf(stderr, "Can't open output file \"%s\": %s\n",
 					bin_filename, strerror(errno));