48 lines
2.5 KiB
C
48 lines
2.5 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
|
|
│vi: set net ft=c ts=8 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/calls/calls.h"
|
|
#include "libc/errno.h"
|
|
#include "libc/macros.h"
|
|
#include "libc/stdio/stdio.h"
|
|
#include "libc/str/str.h"
|
|
|
|
/**
|
|
* Writes string to stream.
|
|
*
|
|
* Writing stops at the NUL-terminator, which isn't included in output.
|
|
* This function blocks until the full string is written, unless an
|
|
* unrecoverable error happens.
|
|
*
|
|
* @param s is a NUL-terminated string that's non-NULL
|
|
* @param f is an open stream
|
|
* @return strlen(s) or -1 w/ errno on error
|
|
*/
|
|
int fputs(const char *s, FILE *f) {
|
|
int i, n, m;
|
|
n = strlen(s);
|
|
for (i = 0; i < n; ++i) {
|
|
if (putc(s[i], f) == -1) {
|
|
if (ferror(f) == EINTR) continue;
|
|
if (feof(f)) errno = f->state = EPIPE;
|
|
return -1;
|
|
}
|
|
}
|
|
return n;
|
|
}
|