63 lines
3.4 KiB
C
63 lines
3.4 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
|
|
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
|
|
╞══════════════════════════════════════════════════════════════════════════════╡
|
|
│ Copyright 2020 Justine Alexandra Roberts Tunney │
|
|
│ │
|
|
│ This program is free software; you can redistribute it and/or modify │
|
|
│ it under the terms of the GNU General Public License as published by │
|
|
│ the Free Software Foundation; version 2 of the License. │
|
|
│ │
|
|
│ This program is distributed in the hope that it will be useful, but │
|
|
│ WITHOUT ANY WARRANTY; without even the implied warranty of │
|
|
│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
|
|
│ General Public License for more details. │
|
|
│ │
|
|
│ You should have received a copy of the GNU General Public License │
|
|
│ along with this program; if not, write to the Free Software │
|
|
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
|
|
│ 02110-1301 USA │
|
|
╚─────────────────────────────────────────────────────────────────────────────*/
|
|
#include "libc/bits/bits.h"
|
|
#include "libc/bits/pushpop.h"
|
|
#include "libc/dce.h"
|
|
#include "libc/nt/console.h"
|
|
#include "libc/nt/enum/loadlibrarysearch.h"
|
|
#include "libc/nt/runtime.h"
|
|
#include "libc/runtime/getdosenviron.h"
|
|
#include "libc/runtime/internal.h"
|
|
|
|
static void LoadFasterAndPreventHijacking(void) {
|
|
unsigned wrote;
|
|
if (!SetDefaultDllDirectories(kNtLoadLibrarySearchSearchSystem32)) {
|
|
WriteFile(GetStdHandle(kNtStdErrorHandle), "nodll\n", 6, &wrote, NULL);
|
|
ExitProcess(1);
|
|
}
|
|
}
|
|
|
|
noreturn textwindows int WinMain(void *hInstance, void *hPrevInstance,
|
|
const char *lpCmdLine, int nCmdShow) {
|
|
int i, count;
|
|
const char16_t *cmd16, *env16;
|
|
long auxarray[][2] = {{pushpop(0L), pushpop(0L)}};
|
|
char envblock[ENV_MAX], *envarray[512], argblock[ARG_MAX], *argarray[512];
|
|
LoadFasterAndPreventHijacking();
|
|
*(/*unconst*/ int *)&__hostos = pushpop(WINDOWS);
|
|
cmd16 = GetCommandLine();
|
|
env16 = GetEnvironmentStrings();
|
|
count = getdosargv(cmd16, argblock, ARG_MAX, argarray, 512);
|
|
for (i = 0; argarray[0][i]; ++i) {
|
|
if (argarray[0][i] == '\\') argarray[0][i] = '/';
|
|
}
|
|
getdosenviron(env16, envblock, ENV_MAX, envarray, 512);
|
|
FreeEnvironmentStrings(env16);
|
|
register int argc asm("r12") = count;
|
|
register char **argv asm("r13") = argarray;
|
|
register char **envp asm("r14") = envarray;
|
|
register long(*auxv)[2] asm("r15") = auxarray;
|
|
asm volatile("jmp\t__executive"
|
|
: /* no outputs */
|
|
: "r"(argc), "r"(argv), "r"(envp), "r"(auxv)
|
|
: "memory", "cc");
|
|
unreachable;
|
|
}
|