mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-02-07 15:03:34 +00:00
e16a7d8f3b
`et` means `expandtab`. ```sh rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\) et\(.*\) :vi/vi: \1 xoet\2:vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)noet\(.*\):vi/vi: \1et\2 :vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)xoet\(.*\):vi/vi: \1noet\2:vi/' ```
57 lines
2.9 KiB
C
57 lines
2.9 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
|
|
│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
|
|
╞══════════════════════════════════════════════════════════════════════════════╡
|
|
│ Copyright 2022 Justine Alexandra Roberts Tunney │
|
|
│ │
|
|
│ Permission to use, copy, modify, and/or distribute this software for │
|
|
│ any purpose with or without fee is hereby granted, provided that the │
|
|
│ above copyright notice and this permission notice appear in all copies. │
|
|
│ │
|
|
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
|
|
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
|
|
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
|
|
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
|
|
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
|
|
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
|
|
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
|
|
│ PERFORMANCE OF THIS SOFTWARE. │
|
|
╚─────────────────────────────────────────────────────────────────────────────*/
|
|
#include "libc/calls/calls.h"
|
|
#include "libc/intrin/safemacros.internal.h"
|
|
#include "libc/limits.h"
|
|
#include "libc/runtime/runtime.h"
|
|
#include "libc/str/str.h"
|
|
#include "libc/temp.h"
|
|
|
|
/**
|
|
* Displays wall of text in terminal with pagination.
|
|
*/
|
|
void __paginate(int fd, const char *s) {
|
|
int tfd, pid;
|
|
char *args[3] = {0};
|
|
char tmppath[] = "/tmp/paginate.XXXXXX";
|
|
char progpath[PATH_MAX];
|
|
if (strcmp(nulltoempty(getenv("TERM")), "dumb") && isatty(0) && isatty(1) &&
|
|
((args[0] = commandv("less", progpath, sizeof(progpath))) ||
|
|
(args[0] = commandv("more", progpath, sizeof(progpath))))) {
|
|
if ((tfd = mkstemp(tmppath)) != -1) {
|
|
write(tfd, s, strlen(s));
|
|
close(tfd);
|
|
args[1] = tmppath;
|
|
if ((pid = fork()) != -1) {
|
|
putenv("LC_ALL=C.UTF-8");
|
|
putenv("LESSCHARSET=utf-8");
|
|
putenv("LESS=-RS");
|
|
if (!pid) {
|
|
execv(args[0], args);
|
|
_Exit(127);
|
|
}
|
|
waitpid(pid, 0, 0);
|
|
unlink(tmppath);
|
|
return;
|
|
}
|
|
unlink(tmppath);
|
|
}
|
|
}
|
|
write(fd, s, strlen(s));
|
|
}
|