mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-22 04:50:07 +00:00
200ae471b6
Since these functions are used in both catgets/gencat.c and
malloc/memusage{,stat}.c, it make sense to move them into a dedicated
header where they can be inlined.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
/* unistd.h related helpers.
|
|
Copyright (C) 2023 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef _UNISTD_EXT_H
|
|
#define _UNISTD_EXT_H
|
|
|
|
#include <error.h>
|
|
#include <errno.h>
|
|
#include <libintl.h>
|
|
#include <unistd.h>
|
|
|
|
/* Helpers used in catgets/gencat.c and malloc/memusage*.c */
|
|
static inline void
|
|
write_all (int fd, const void *buffer, size_t length)
|
|
{
|
|
const char *p = buffer;
|
|
const char *end = p + length;
|
|
while (p < end)
|
|
{
|
|
ssize_t ret = write (fd, p, end - p);
|
|
if (ret < 0)
|
|
error (EXIT_FAILURE, errno,
|
|
gettext ("write of %zu bytes failed after %td: %m"),
|
|
length, p - (const char *) buffer);
|
|
|
|
if (ret == 0)
|
|
error (EXIT_FAILURE, 0,
|
|
gettext ("write returned 0 after writing %td bytes of %zu"),
|
|
p - (const char *) buffer, length);
|
|
p += ret;
|
|
}
|
|
}
|
|
|
|
static inline void
|
|
read_all (int fd, void *buffer, size_t length)
|
|
{
|
|
char *p = buffer;
|
|
char *end = p + length;
|
|
while (p < end)
|
|
{
|
|
ssize_t ret = read (fd, p, end - p);
|
|
if (ret < 0)
|
|
error (EXIT_FAILURE, errno,
|
|
gettext ("read of %zu bytes failed after %td: %m"),
|
|
length, p - (char *) buffer);
|
|
|
|
p += ret;
|
|
}
|
|
}
|
|
|
|
#endif
|