mirror of
https://github.com/jart/cosmopolitan.git
synced 2024-05-18 11:32:41 +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/' ```
47 lines
2.7 KiB
C
47 lines
2.7 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 2021 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/intrin/describeflags.internal.h"
|
|
#include "libc/intrin/strace.internal.h"
|
|
#include "libc/stdio/internal.h"
|
|
|
|
/**
|
|
* Repositions open file stream.
|
|
*
|
|
* This function flushes the buffer (unless it's currently in the EOF
|
|
* state) and then calls lseek() on the underlying file. If the stream
|
|
* is in the EOF state, this function can be used to restore it without
|
|
* needing to reopen the file.
|
|
*
|
|
* @param f is a non-null stream handle
|
|
* @param offset is the byte delta
|
|
* @param whence can be SEET_SET, SEEK_CUR, or SEEK_END
|
|
* @returns 0 on success or -1 on error
|
|
*/
|
|
int fseek(FILE *f, int64_t offset, int whence) {
|
|
int rc;
|
|
flockfile(f);
|
|
rc = fseek_unlocked(f, offset, whence);
|
|
STDIOTRACE("fseek(%p, %'ld, %s) → %d %s", f, offset, DescribeWhence(whence),
|
|
rc, DescribeStdioState(f->state));
|
|
funlockfile(f);
|
|
return rc;
|
|
}
|
|
|
|
__strong_reference(fseek, fseeko);
|