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-rw-r--r--lib/compat/Makemodule.am1
-rw-r--r--lib/compat/w32_wmain.c82
2 files changed, 83 insertions, 0 deletions
diff --git a/lib/compat/Makemodule.am b/lib/compat/Makemodule.am
index 6ea0750..f9dce2e 100644
--- a/lib/compat/Makemodule.am
+++ b/lib/compat/Makemodule.am
@@ -3,6 +3,7 @@ libcompat_a_SOURCES += lib/compat/strndup.c lib/compat/mockups.c
libcompat_a_SOURCES += lib/compat/chdir.c include/compat.h
libcompat_a_SOURCES += lib/compat/path_to_windows.c
libcompat_a_SOURCES += lib/compat/w32_perror.c
+libcompat_a_SOURCES += lib/compat/w32_wmain.c
libcompat_a_SOURCES += lib/compat/fnmatch.c
libcompat_a_SOURCES += lib/compat/getopt.c
libcompat_a_SOURCES += lib/compat/getopt_long.c
diff --git a/lib/compat/w32_wmain.c b/lib/compat/w32_wmain.c
new file mode 100644
index 0000000..4245d1c
--- /dev/null
+++ b/lib/compat/w32_wmain.c
@@ -0,0 +1,82 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+/*
+ * w32_wmain.c
+ *
+ * Copyright (C) 2021 David Oberhollenzer <goliath@infraroot.at>
+ */
+#include "config.h"
+#include "compat.h"
+
+#include <stdio.h>
+
+#ifdef _WIN32
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#include <shellapi.h>
+
+#undef main
+
+int main(int argc, char **argv)
+{
+ WCHAR *cmdline, **argList;
+ int i, ret, utf8_argc;
+ char **utf8_argv;
+ (void)argc;
+ (void)argv;
+
+ /* get the UTF-16 encoded command line arguments */
+ cmdline = GetCommandLineW();
+ argList = CommandLineToArgvW(cmdline, &utf8_argc);
+ if (argList == NULL)
+ goto fail_oom;
+
+ /* convert to UTF-8 */
+ utf8_argv = calloc(sizeof(utf8_argv[0]), utf8_argc);
+ if (utf8_argv == NULL)
+ goto fail_oom;
+
+ for (i = 0; i < utf8_argc; ++i) {
+ DWORD length = WideCharToMultiByte(CP_UTF8, 0, argList[i],
+ -1, NULL, 0, NULL, NULL);
+ if (length <= 0)
+ goto fail_conv;
+
+ utf8_argv[i] = calloc(1, length + 1);
+ if (utf8_argv[i] == NULL)
+ goto fail_oom;
+
+ WideCharToMultiByte(CP_UTF8, 0, argList[i], -1,
+ utf8_argv[i], length + 1, NULL, NULL);
+ utf8_argv[i][length] = '\0';
+ }
+
+ LocalFree(argList);
+ argList = NULL;
+
+ /* call the actual main function */
+ ret = sqfs_tools_main(utf8_argc, utf8_argv);
+
+ /* cleanup */
+ for (i = 0; i < utf8_argc; ++i)
+ free(utf8_argv[i]);
+
+ free(utf8_argv);
+ return ret;
+fail_conv:
+ w32_perror("Converting UTF-16 argument to UTF-8");
+ goto fail;
+fail_oom:
+ fputs("out of memory\n", stderr);
+ goto fail;
+fail:
+ if (utf8_argv != NULL) {
+ for (i = 0; i < utf8_argc; ++i)
+ free(utf8_argv[i]);
+ free(utf8_argv);
+ }
+ if (argList != NULL) {
+ LocalFree(argList);
+ }
+ return EXIT_FAILURE;
+}
+#endif