diff options
Diffstat (limited to 'compat/mingw.c')
| -rw-r--r-- | compat/mingw.c | 94 |
1 files changed, 71 insertions, 23 deletions
diff --git a/compat/mingw.c b/compat/mingw.c index d242557eb5..3baaa4dfae 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); |