/* Start a subprocess with run_command_redirected and register it with the
termination handler. Takes care of o.shellexec. Returns the PID of the
subprocess or -1 on error. */
static int start_subprocess(char *cmdexec, struct subprocess_info *info)
{
char *cmdbuf;
int pid;
if (o.shellexec) {
/* Run with cmd.exe. */
const char *shell;
size_t cmdlen;
shell = get_shell();
cmdlen = strlen(shell) + strlen(cmdexec) + 32;
cmdbuf = (char *) safe_malloc(cmdlen);
Snprintf(cmdbuf, cmdlen, "%s /C %s", shell, cmdexec);
} else {
cmdbuf = cmdexec;
}
if (o.debug)
logdebug("Executing: %s\n", cmdbuf);
pid = run_command_redirected(cmdbuf, info);
if (cmdbuf != cmdexec)
free(cmdbuf);
if (pid == -1)
return -1;
if (register_subprocess(info->proc) == -1) {
if (o.verbose)
logdebug("Couldn't register subprocess with termination handler; not executing.\n");
TerminateProcess(info->proc, 2);
subprocess_info_close(info);
return -1;
}
return pid;
}
/* Start a subprocess with run_command_redirected and register it with the
termination handler. Takes care of o.shellexec. Returns the PID of the
subprocess or -1 on error. */
static int start_subprocess(char *cmdexec, struct subprocess_info *info)
{
char *cmdbuf;
int pid;
if (o.execmode == EXEC_SHELL) {
/* Run with cmd.exe. */
const char *shell;
size_t cmdlen;
shell = get_shell();
cmdlen = strlen(shell) + strlen(cmdexec) + 32;
cmdbuf = (char *) safe_malloc(cmdlen);
Snprintf(cmdbuf, cmdlen, "%s /C %s", shell, cmdexec);
#ifdef HAVE_LUA
} else if (o.execmode == EXEC_LUA) {
char exepath[8192];
char *cmdexec_escaped, *exepath_escaped;
int n;
n = GetModuleFileName(GetModuleHandle(0), exepath, sizeof(exepath));
if (n == 0 || n == sizeof(exepath))
return -1;
cmdexec_escaped = escape_windows_command_arg(cmdexec);
if (cmdexec_escaped == NULL)
return -1;
exepath_escaped = escape_windows_command_arg(exepath);
if (exepath_escaped == NULL) {
free(cmdexec_escaped);
return -1;
}
n = asprintf(&cmdbuf, "%s --lua-exec-internal %s", exepath_escaped, cmdexec_escaped);
free(cmdexec_escaped);
free(exepath_escaped);
if (n < 0)
return -1;
#endif
} else {
cmdbuf = cmdexec;
}
if (o.debug)
logdebug("Executing: %s\n", cmdbuf);
pid = run_command_redirected(cmdbuf, info);
if (cmdbuf != cmdexec)
free(cmdbuf);
if (pid == -1)
return -1;
if (register_subprocess(info->proc) == -1) {
if (o.verbose)
logdebug("Couldn't register subprocess with termination handler; not executing.\n");
TerminateProcess(info->proc, 2);
subprocess_info_close(info);
return -1;
}
return pid;
}
