mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 11:37:35 +00:00
c776a32f75
This change might cause ABI breakages for /opt/cosmos. It's needed to help us better conform to header declaration practices.
92 lines
3.7 KiB
C
92 lines
3.7 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2022 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/calls.h"
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#include "libc/calls/struct/stat.h"
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#include "libc/dce.h"
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#include "libc/errno.h"
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#include "libc/fmt/itoa.h"
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#include "libc/fmt/magnumstrs.internal.h"
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#include "libc/runtime/runtime.h"
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#include "libc/stdio/ftw.h"
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#include "libc/stdio/stdio.h"
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#include "libc/str/str.h"
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#include "libc/sysv/consts/s.h"
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#include "libc/x/x.h"
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const char *prog;
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char tmpdir[PATH_MAX];
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char binpath[PATH_MAX];
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bool IsDirectory(const char *path) {
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int e;
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bool res;
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struct stat st;
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e = errno;
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res = stat(path, &st) != -1 && S_ISDIR(st.st_mode);
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errno = e;
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return res;
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}
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void Execute(char *argv[]) {
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int ws;
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if (!vfork()) {
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execv(argv[0], argv);
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_Exit(127);
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}
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wait(&ws);
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if (!WIFEXITED(ws) || WEXITSTATUS(ws)) {
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fputs(argv[0], stderr);
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fputs(": command failed\n", stderr);
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exit(1);
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}
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}
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int Visit(const char *fpath, const struct stat *sb, int tflag,
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struct FTW *ftwbuf) {
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if (tflag == FTW_F && endswith(fpath, ".gz")) {
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Execute((char *[]){"build/bootstrap/gzip.com", "-d", fpath, 0});
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strcpy(binpath, fpath);
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binpath[strlen(binpath) - 3] = 0;
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chmod(binpath, 0755);
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} else if (tflag == FTW_F && endswith(fpath, ".sym")) {
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strcpy(binpath, fpath);
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binpath[strlen(binpath) - 4] = 0;
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symlink(xslurp(fpath, 0), binpath);
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}
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return 0;
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}
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int main(int argc, char *argv[]) {
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if (!IsLinux()) return 0;
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prog = argv[0];
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if (!prog) prog = "unbundle";
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if (IsDirectory("o/third_party/gcc")) return 0;
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makedirs("o/third_party", 0755);
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FormatInt32(stpcpy(tmpdir, "o/third_party/gcc."), getpid());
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Execute(
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(char *[]){"build/bootstrap/cp.com", "-r", "third_party/gcc", tmpdir, 0});
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if (nftw(tmpdir, Visit, 20, 0) == -1) {
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fputs(prog, stderr);
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fputs(": nftw failed: ", stderr);
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fputs(_strerdoc(errno), stderr);
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fputs("\n", stderr);
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exit(1);
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}
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rename(tmpdir, "o/third_party/gcc");
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}
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