mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-09 04:11:27 +08:00
129 lines
2.8 KiB
C
129 lines
2.8 KiB
C
/* 4.4BSD utility functions for error messages.
|
|
Copyright (C) 1995-2020 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/>. */
|
|
|
|
#include <stdarg.h>
|
|
#include <err.h>
|
|
#include <stdlib.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
|
|
#include <wchar.h>
|
|
#define flockfile(s) _IO_flockfile (s)
|
|
#define funlockfile(s) _IO_funlockfile (s)
|
|
|
|
extern char *__progname;
|
|
|
|
#define VA(call) \
|
|
{ \
|
|
va_list ap; \
|
|
va_start (ap, format); \
|
|
call; \
|
|
va_end (ap); \
|
|
}
|
|
|
|
void
|
|
__vwarnx_internal (const char *format, __gnuc_va_list ap,
|
|
unsigned int mode_flags)
|
|
{
|
|
flockfile (stderr);
|
|
__fxprintf (stderr, "%s: ", __progname);
|
|
if (format != NULL)
|
|
__vfxprintf (stderr, format, ap, mode_flags);
|
|
__fxprintf (stderr, "\n");
|
|
funlockfile (stderr);
|
|
}
|
|
|
|
void
|
|
__vwarn_internal (const char *format, __gnuc_va_list ap,
|
|
unsigned int mode_flags)
|
|
{
|
|
int error = errno;
|
|
|
|
flockfile (stderr);
|
|
if (format != NULL)
|
|
{
|
|
__fxprintf (stderr, "%s: ", __progname);
|
|
__vfxprintf (stderr, format, ap, mode_flags);
|
|
__set_errno (error);
|
|
__fxprintf (stderr, ": %m\n");
|
|
}
|
|
else
|
|
{
|
|
__set_errno (error);
|
|
__fxprintf (stderr, "%s: %m\n", __progname);
|
|
}
|
|
funlockfile (stderr);
|
|
}
|
|
|
|
void
|
|
vwarn (const char *format, __gnuc_va_list ap)
|
|
{
|
|
__vwarn_internal (format, ap, 0);
|
|
}
|
|
libc_hidden_def (vwarn)
|
|
|
|
void
|
|
vwarnx (const char *format, __gnuc_va_list ap)
|
|
{
|
|
__vwarnx_internal (format, ap, 0);
|
|
}
|
|
libc_hidden_def (vwarnx)
|
|
|
|
void
|
|
warn (const char *format, ...)
|
|
{
|
|
VA (vwarn (format, ap))
|
|
}
|
|
libc_hidden_def (warn)
|
|
|
|
void
|
|
warnx (const char *format, ...)
|
|
{
|
|
VA (vwarnx (format, ap))
|
|
}
|
|
libc_hidden_def (warnx)
|
|
|
|
void
|
|
verr (int status, const char *format, __gnuc_va_list ap)
|
|
{
|
|
vwarn (format, ap);
|
|
exit (status);
|
|
}
|
|
libc_hidden_def (verr)
|
|
|
|
void
|
|
verrx (int status, const char *format, __gnuc_va_list ap)
|
|
{
|
|
vwarnx (format, ap);
|
|
exit (status);
|
|
}
|
|
libc_hidden_def (verrx)
|
|
|
|
void
|
|
err (int status, const char *format, ...)
|
|
{
|
|
VA (verr (status, format, ap))
|
|
}
|
|
|
|
void
|
|
errx (int status, const char *format, ...)
|
|
{
|
|
VA (verrx (status, format, ap))
|
|
}
|