-__stdcall
-WinMain(int a, int b, int c, int d) { return 0; }
+/*
+ * Copyright © 2015 Keith Packard <keithp@keithp.com>
+ *
+ * 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
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+/* A windows stub program to launch a java program with suitable parameters
+ *
+ * Given that the name of this exe is altusmetrum-foo.exe living in directory bar, and
+ * that it was run with 'args' extra command line parameters, run:
+ *
+ * javaw.exe -Djava.library.path="bar" -jar "bar/foo-fat.jar" args
+ */
+
+#define _UNICODE
+#define UNICODE
+#include <stdlib.h>
+#include <windows.h>
+#include <setupapi.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <shlwapi.h>
+
+/* Concatenate a list of strings together
+ */
+static LPTSTR
+wcsbuild(LPTSTR first, ...)
+{
+ va_list args;
+ int len;
+ LPTSTR buf;
+ LPTSTR arg;
+
+ buf = wcsdup(first);
+ va_start(args, first);
+ while ((arg = va_arg(args, LPTSTR)) != NULL) {
+ len = wcslen(buf) + wcslen(arg) + 1;
+ buf = realloc(buf, len * sizeof (wchar_t));
+ wcscat(buf, arg);
+ }
+ va_end(args);
+ return buf;
+}
+
+/* Quote a single string, taking care to escape embedded quote and
+ * backslashes within
+ */
+static LPTSTR
+quote_arg(LPTSTR arg)
+{
+ LPTSTR result;
+ LPTSTR in, out;
+ int out_len = 3; /* quotes and terminating null */
+
+ /* Find quote and backslashes */
+ for (in = arg; *in; in++) {
+ switch (*in) {
+ case '"':
+ case '\\':
+ out_len += 2;
+ break;
+ default:
+ out_len++;
+ break;
+ }
+ }
+
+ result = malloc ((out_len + 1) * sizeof (wchar_t));
+ out = result;
+ *out++ = '"';
+ for (in = arg; *in; in++) {
+ switch (*in) {
+ case '"':
+ case '\\':
+ *out++ = '\\';
+ break;
+ }
+ *out++ = *in;
+ }
+ *out++ = '"';
+ *out++ = '\0';
+ return result;
+}
+
+/* Construct a single string from a list of arguments
+ */
+static LPTSTR
+quote_args(LPTSTR *argv, int argc)
+{
+ LPTSTR result = NULL, arg;
+ int i;
+
+ result = malloc(1 * sizeof (wchar_t));
+ result[0] = '\0';
+ for (i = 0; i < argc; i++) {
+ arg = quote_arg(argv[i]);
+ result = realloc(result, (wcslen(result) + 1 + wcslen(arg) + 1) * sizeof (wchar_t));
+ wcscat(result, L" ");
+ wcscat(result, arg);
+ free(arg);
+ }
+ return result;
+}
+
+/* Return the directory portion of the provided file
+ */
+static LPTSTR
+get_dir(LPTSTR file)
+{
+ DWORD len = GetFullPathName(file, 0, NULL, NULL);
+ LPTSTR full = malloc (len * sizeof (wchar_t));
+ GetFullPathName(file, len, full, NULL);
+ PathRemoveFileSpec(full);
+ return full;
+}
+
+/* Convert a .exe name into a -fat.jar name, starting
+ * by computing the complete path name of the source filename
+ */
+static LPTSTR
+make_jar(LPTSTR file)
+{
+ DWORD len = GetFullPathName(file, 0, NULL, NULL);
+ LPTSTR full = malloc (len * sizeof (wchar_t));
+ LPTSTR base_part;
+ LPTSTR jar;
+ LPTSTR dot;
+ GetFullPathName(file, len, full, &base_part);
+ static const wchar_t head[] = L"altusmetrum-";
+
+ if (wcsncmp(base_part, head, wcslen(head)) == 0)
+ base_part += wcslen(head);
+ dot = wcsrchr(base_part, '.');
+ if (dot)
+ *dot = '\0';
+ jar = wcsdup(base_part);
+ PathRemoveFileSpec(full);
+ return wcsbuild(full, L"\\", jar, L"-fat.jar", NULL);
+}
+
+/* Build the complete command line from the pieces
+ */
+static LPTSTR
+make_cmd(LPTSTR dir, LPTSTR jar, LPTSTR quote_args)
+{
+ LPTSTR quote_dir = quote_arg(dir);
+ LPTSTR quote_jar = quote_arg(jar);
+ LPTSTR cmd;
+
+ cmd = wcsbuild(L"javaw.exe -Djava.library.path=", quote_dir, L" -jar ", quote_jar, quote_args, NULL);
+ free(quote_jar);
+ free(jar);
+ free(quote_dir);
+ return cmd;
+}
+
+int WINAPI
+WinMain(HINSTANCE instance, HINSTANCE prev_instance, LPSTR cmd_line_a, int cmd_show)
+{
+ STARTUPINFO startup_info;
+ PROCESS_INFORMATION process_information;
+ BOOL result;
+ wchar_t *command_line;
+ int argc;
+ LPTSTR *argv = CommandLineToArgvW(GetCommandLine(), &argc);
+ LPTSTR my_dir;
+ LPTSTR my_jar;
+ LPTSTR args = quote_args(argv + 1, argc - 1);
+
+ my_dir = get_dir(argv[0]);
+ my_jar = make_jar(argv[0]);
+ command_line = make_cmd(my_dir, my_jar, args);
+ memset(&startup_info, '\0', sizeof startup_info);
+ startup_info.cb = sizeof startup_info;
+ result = CreateProcess(NULL,
+ command_line,
+ NULL,
+ NULL,
+ FALSE,
+ CREATE_NO_WINDOW,
+ NULL,
+ NULL,
+ &startup_info,
+ &process_information);
+ if (result) {
+ CloseHandle(process_information.hProcess);
+ CloseHandle(process_information.hThread);
+ }
+ exit(0);
+}
projects / fw / altos / blobdiff