cosmopolitan/libc/stdio/getline.c
Jōshin e16a7d8f3b
flip et / noet in modelines
`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/'
```
2023-12-07 22:17:11 -05:00

49 lines
2.8 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 2020 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/stdio/stdio.h"
/**
* Reads line from stream, e.g.
*
* char *line = NULL;
* size_t linesize = 0;
* while (getline(&line, &linesize, stdin) > 0) {
* chomp(line);
* printf("%s\n", line);
* }
* free(line);
*
* This function delegates to getdelim(), which provides further
* documentation. Concerning lines, please note the \n or \r\n are
* included in results, and can be removed with chomp().
*
* When reading from the console on Windows in `ICANON` mode, the
* returned line will end with `\r\n` rather than `\n`.
*
* @param linebuf is the caller's buffer (in/out) which is extended
* automatically. *line may be NULL but only if *capacity is 0;
* NUL-termination is guaranteed FTMP
* @return number of bytes read, including delim, excluding NUL, or -1
* w/ errno on EOF or error; see ferror() and feof()
* @see fgetln(), xgetline(), getdelim(), gettok_r()
*/
ssize_t getline(char **linebuf, size_t *capacity, FILE *f) {
return getdelim(linebuf, capacity, '\n', f);
}