[PATCH 6/7] Win32: Unicode arguments (incoming)
From: Karsten Blees <blees@dcon.de>
Date: Sun, 16 Jan 2011 18:28:27 +0100
Convert command line arguments from UTF-16 to UTF-8 on startup.
Signed-off-by: Karsten Blees <blees@dcon.de>
Signed-off-by: Stepan Kasal <kasal@ucw.cz>
---
compat/mingw.c | 42 ++++++++++++++++++++++++++++++++++++++++--
1 file changed, 40 insertions(+), 2 deletions(-)
diff --git a/compat/mingw.c b/compat/mingw.c
index 8a7b047..3baaa4d 100644
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -1943,10 +1943,48 @@ int xwcstoutf(char *utf, const wchar_t *wcs, size_t utflen)
*/
int _CRT_glob = 0;
+typedef struct {
+ int newmode;
+} _startupinfo;
+
+extern int __wgetmainargs(int *argc, wchar_t ***argv, wchar_t ***env, int glob,
+ _startupinfo *si);
+
+static NORETURN void die_startup()
+{
+ fputs("fatal: not enough memory for initialization", stderr);
+ exit(128);
+}
+
void mingw_startup()
{
- /* copy executable name to argv[0] */
- __argv[0] = xstrdup(_pgmptr);
+ int i, len, maxlen, argc;
+ char *buffer;
+ wchar_t **wenv, **wargv;
+ _startupinfo si;
+
+ /* get wide char arguments and environment */
+ si.newmode = 0;
+ if (__wgetmainargs(&argc, &wargv, &wenv, _CRT_glob, &si) < 0)
+ die_startup();
+
+ /* determine size of argv and environ conversion buffer */
+ maxlen = wcslen(_wpgmptr);
+ for (i = 1; i < argc; i++)
+ maxlen = max(maxlen, wcslen(wargv[i]));
+
+ /* allocate buffer (wchar_t encodes to max 3 UTF-8 bytes) */
+ maxlen = 3 * maxlen + 1;
+ buffer = xmalloc(maxlen);
+
+ /* convert command line arguments and environment to UTF-8 */
+ len = xwcstoutf(buffer, _wpgmptr, maxlen);
+ __argv[0] = xmemdupz(buffer, len);
+ for (i = 1; i < argc; i++) {
+ len = xwcstoutf(buffer, wargv[i], maxlen);
+ __argv[i] = xmemdupz(buffer, len);
+ }
+ free(buffer);
/* initialize critical section for waitpid pinfo_t list */
InitializeCriticalSection(&pinfo_cs);
--
2.0.0.9635.g0be03cb
--
--
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Stepan Kasal <kasal@ucw.cz>