1 files changed, 202 insertions, 0 deletions
diff --git a/src/pkg/syscall/mkerrors_windows.sh b/src/pkg/syscall/mkerrors_windows.sh
new file mode 100755
index 000000000..af95edd00
--- /dev/null
+++ b/src/pkg/syscall/mkerrors_windows.sh
@@ -0,0 +1,202 @@
+#!/usr/bin/env bash
+# Copyright 2009 The Go Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style
+# license that can be found in the LICENSE file.
+
+# Generate Go code listing errors and other #defined constant
+# values (ENAMETOOLONG etc.), by asking the preprocessor
+# about the definitions.
+
+unset LANG
+export LC_ALL=C
+export LC_CTYPE=C
+
+case "$GOARCH" in
+arm)
+	GCC=arm-gcc
+	;;
+*)
+	GCC=gcc
+	;;
+esac
+
+uname=$(uname)
+
+includes_Linux='
+#define _LARGEFILE_SOURCE
+#define _LARGEFILE64_SOURCE
+#define _FILE_OFFSET_BITS 64
+#define _GNU_SOURCE
+
+#include <sys/types.h>
+#include <sys/epoll.h>
+#include <linux/ptrace.h>
+#include <linux/wait.h>
+'
+
+includes_Darwin='
+#define __DARWIN_UNIX03 0
+#define KERNEL
+#define _DARWIN_USE_64_BIT_INODE
+#include <sys/wait.h>
+#include <sys/event.h>
+'
+
+includes_FreeBSD='
+#include <sys/wait.h>
+#include <sys/event.h>
+'
+
+includes='
+#include <sys/types.h>
+#include <fcntl.h>
+#include <dirent.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netinet/ip.h>
+#include <netinet/ip6.h>
+#include <netinet/tcp.h>
+#include <errno.h>
+#include <sys/signal.h>
+#include <signal.h>
+'
+
+ccflags=""
+next=false
+for i
+do
+	if $next; then
+		ccflags="$ccflags $i"
+		next=false
+	elif [ "$i" = "-f" ]; then
+		next=true
+	fi
+done
+
+# These are go errors that will be mapped directly to windows errors
+goerrors='
+ENOENT:ERROR_FILE_NOT_FOUND
+ENOTDIR:ERROR_DIRECTORY
+'
+
+# Pull out just the error names for later.
+i=$(
+	for j in "$goerrors"
+	do
+		echo "$j"
+	done |
+	awk -F: '
+		{ if (NR > 1) printf("|") }
+		{ printf("%s", $1) }
+	'
+)
+errors=$(
+	echo '#include <errno.h>' | $GCC -x c - -E -dM $ccflags |
+	awk '
+		$1 != "#define" || $2 ~ /\(/ {next}
+		$2 ~ /^('$i')$/ {next}
+		$2 ~ /^E[A-Z0-9_]+$/ { print $2 }
+		{next}
+	' | sort
+)
+
+echo '// mkerrors_windows.sh' "$@"
+echo '// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT'
+echo
+echo 'package syscall'
+
+# Run C program to print error strings.
+(
+	/bin/echo "
+#include <stdio.h>
+#include <errno.h>
+#include <ctype.h>
+#include <string.h>
+
+#define nelem(x) (sizeof(x)/sizeof((x)[0]))
+
+enum { A = 'A', Z = 'Z', a = 'a', z = 'z' }; // avoid need for single quotes below
+
+struct {
+	char *goname;
+	char *winname;
+} goerrors[] = {
+"
+	for i in $goerrors
+	do
+		j=`echo $i | cut -d: -f1`
+		k=`echo $i | cut -d: -f2`
+		echo '	{"'$j'", "'$k'"},'
+	done
+
+	# Use /bin/echo to avoid builtin echo,
+	# which interprets \n itself
+	/bin/echo '
+};
+
+struct {
+	char *name;
+	int value;
+} errors[] = {
+'
+	for i in $errors
+	do
+		echo '	{"'$i'",' $i'},'
+	done
+
+	# Use /bin/echo to avoid builtin echo,
+	# which interprets \n itself
+	/bin/echo '
+};
+
+int
+main(void)
+{
+	int i, e, iota = 1;
+	char buf[1024];
+
+	printf("\n// Go names for Windows errors.\n");
+	printf("const (\n");
+	for(i=0; i<nelem(goerrors); i++) {
+		printf("\t%s = %s\n", goerrors[i].goname, goerrors[i].winname);
+			
+	}
+	printf(")\n");
+
+	printf("\n// Windows reserves errors >= 1<<29 for application use.\n");
+	printf("const APPLICATION_ERROR = 1 << 29\n");
+
+	printf("\n// Invented values to support what package os and others expects.\n");
+	printf("const (\n");
+	for(i=0; i<nelem(errors); i++) {
+		printf("\t%s", errors[i].name);
+		if(iota) {
+			printf(" = APPLICATION_ERROR + iota");
+			iota = !iota;
+		}
+		printf("\n");
+			
+	}
+	printf("\tEWINDOWS\n");
+	printf(")\n");
+
+	printf("\n// Error strings for invented errors\n");
+	printf("var errors = [...]string {\n");
+	for(i=0; i<nelem(errors); i++) {
+		e = errors[i].value;
+		strcpy(buf, strerror(e));
+		// lowercase first letter: Bad -> bad, but STREAM -> STREAM.
+		if(A <= buf[0] && buf[0] <= Z && a <= buf[1] && buf[1] <= z)
+			buf[0] += a - A;
+		printf("\t%s - APPLICATION_ERROR: \"%s\",\n", errors[i].name, buf);
+	next:;
+	}
+	printf("\tEWINDOWS - APPLICATION_ERROR: \"not supported by windows\",\n");
+	printf("}\n\n");
+	return 0;
+}
+
+'
+) >_errors.c
+
+$GCC $ccflags -static -o _errors _errors.c && $GORUN ./_errors && rm -f _errors.c _errors