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authorJunio C Hamano <gitster@pobox.com>2014-07-09 11:34:28 -0700
committerJunio C Hamano <gitster@pobox.com>2014-07-09 11:34:28 -0700
commitcb9cd515ee2ed8feb806d904461368df011d75a5 (patch)
tree0416e644d694a5e0035f3d64576f7309a10b57e4 /compat
parentb0bae7f0e42f0f020414eb49ea26e82f73ce0db8 (diff)
parent3f046148d92e1aa6c0872a6f11f39a4a5740f939 (diff)
downloadgit-cb9cd515ee2ed8feb806d904461368df011d75a5.tar.gz
git-cb9cd515ee2ed8feb806d904461368df011d75a5.tar.xz
Merge branch 'sk/mingw-unicode-spawn-args'
* sk/mingw-unicode-spawn-args: Win32: Unicode arguments (incoming) Win32: Unicode arguments (outgoing) MinGW: disable CRT command line globbing Win32: fix potential multi-threading issue Win32: simplify internal mingw_spawn* APIs Win32: let mingw_execve() return an int
Diffstat (limited to 'compat')
-rw-r--r--compat/mingw.c94
1 files changed, 71 insertions, 23 deletions
diff --git a/compat/mingw.c b/compat/mingw.c
index d242557eb..3baaa4dfa 100644
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -441,7 +441,7 @@ static int do_lstat(int follow, const char *file_name, struct stat *buf)
static int do_stat_internal(int follow, const char *file_name, struct stat *buf)
{
int namelen;
- static char alt_name[PATH_MAX];
+ char alt_name[PATH_MAX];
if (!do_lstat(follow, file_name, buf))
return 0;
@@ -831,9 +831,10 @@ static pid_t mingw_spawnve_fd(const char *cmd, const char **argv, char **env,
const char *dir,
int prepend_cmd, int fhin, int fhout, int fherr)
{
- STARTUPINFO si;
+ STARTUPINFOW si;
PROCESS_INFORMATION pi;
struct strbuf envblk, args;
+ wchar_t wcmd[MAX_PATH], wdir[MAX_PATH], *wargs;
unsigned flags;
BOOL ret;
@@ -869,6 +870,11 @@ static pid_t mingw_spawnve_fd(const char *cmd, const char **argv, char **env,
si.hStdOutput = winansi_get_osfhandle(fhout);
si.hStdError = winansi_get_osfhandle(fherr);
+ if (xutftowcs_path(wcmd, cmd) < 0)
+ return -1;
+ if (dir && xutftowcs_path(wdir, dir) < 0)
+ return -1;
+
/* concatenate argv, quoting args as we go */
strbuf_init(&args, 0);
if (prepend_cmd) {
@@ -886,6 +892,10 @@ static pid_t mingw_spawnve_fd(const char *cmd, const char **argv, char **env,
free(quoted);
}
+ wargs = xmalloc((2 * args.len + 1) * sizeof(wchar_t));
+ xutftowcs(wargs, args.buf, 2 * args.len + 1);
+ strbuf_release(&args);
+
if (env) {
int count = 0;
char **e, **sorted_env;
@@ -907,12 +917,12 @@ static pid_t mingw_spawnve_fd(const char *cmd, const char **argv, char **env,
}
memset(&pi, 0, sizeof(pi));
- ret = CreateProcess(cmd, args.buf, NULL, NULL, TRUE, flags,
- env ? envblk.buf : NULL, dir, &si, &pi);
+ ret = CreateProcessW(wcmd, wargs, NULL, NULL, TRUE, flags,
+ env ? envblk.buf : NULL, dir ? wdir : NULL, &si, &pi);
if (env)
strbuf_release(&envblk);
- strbuf_release(&args);
+ free(wargs);
if (!ret) {
errno = ENOENT;
@@ -941,10 +951,9 @@ static pid_t mingw_spawnve_fd(const char *cmd, const char **argv, char **env,
return (pid_t)pi.dwProcessId;
}
-static pid_t mingw_spawnve(const char *cmd, const char **argv, char **env,
- int prepend_cmd)
+static pid_t mingw_spawnv(const char *cmd, const char **argv, int prepend_cmd)
{
- return mingw_spawnve_fd(cmd, argv, env, NULL, prepend_cmd, 0, 1, 2);
+ return mingw_spawnve_fd(cmd, argv, environ, NULL, prepend_cmd, 0, 1, 2);
}
pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env,
@@ -986,7 +995,7 @@ pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env,
return pid;
}
-static int try_shell_exec(const char *cmd, char *const *argv, char **env)
+static int try_shell_exec(const char *cmd, char *const *argv)
{
const char *interpr = parse_interpreter(cmd);
char **path;
@@ -1004,7 +1013,7 @@ static int try_shell_exec(const char *cmd, char *const *argv, char **env)
argv2 = xmalloc(sizeof(*argv) * (argc+1));
argv2[0] = (char *)cmd; /* full path to the script file */
memcpy(&argv2[1], &argv[1], sizeof(*argv) * argc);
- pid = mingw_spawnve(prog, argv2, env, 1);
+ pid = mingw_spawnv(prog, argv2, 1);
if (pid >= 0) {
int status;
if (waitpid(pid, &status, 0) < 0)
@@ -1019,19 +1028,20 @@ static int try_shell_exec(const char *cmd, char *const *argv, char **env)
return pid;
}
-static void mingw_execve(const char *cmd, char *const *argv, char *const *env)
+int mingw_execv(const char *cmd, char *const *argv)
{
/* check if git_command is a shell script */
- if (!try_shell_exec(cmd, argv, (char **)env)) {
+ if (!try_shell_exec(cmd, argv)) {
int pid, status;
- pid = mingw_spawnve(cmd, (const char **)argv, (char **)env, 0);
+ pid = mingw_spawnv(cmd, (const char **)argv, 0);
if (pid < 0)
- return;
+ return -1;
if (waitpid(pid, &status, 0) < 0)
status = 255;
exit(status);
}
+ return -1;
}
int mingw_execvp(const char *cmd, char *const *argv)
@@ -1040,7 +1050,7 @@ int mingw_execvp(const char *cmd, char *const *argv)
char *prog = path_lookup(cmd, path, 0);
if (prog) {
- mingw_execve(prog, argv, environ);
+ mingw_execv(prog, argv);
free(prog);
} else
errno = ENOENT;
@@ -1049,12 +1059,6 @@ int mingw_execvp(const char *cmd, char *const *argv)
return -1;
}
-int mingw_execv(const char *cmd, char *const *argv)
-{
- mingw_execve(cmd, argv, environ);
- return -1;
-}
-
int mingw_kill(pid_t pid, int sig)
{
if (pid > 0 && sig == SIGTERM) {
@@ -1933,10 +1937,54 @@ int xwcstoutf(char *utf, const wchar_t *wcs, size_t utflen)
return -1;
}
+/*
+ * Disable MSVCRT command line wildcard expansion (__getmainargs called from
+ * mingw startup code, see init.c in mingw runtime).
+ */
+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);