mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-05-25 06:42:27 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Initial import

Browse source
This commit is contained in:
Justine Tunney 2020-06-15 07:18:57 -07:00
commit c91b3c5006
14915 changed files with 590219 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

62
libc/runtime/winmain.greg.c Normal file
View file

@ -0,0 +1,62 @@
/*-*- 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;
}