+++ /dev/null
-/* Error handler for noninteractive utilities
- Copyright (C) 1990-1998, 2000, 2001, 2002 Free Software Foundation, Inc.
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- This program 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 General Public License for more details.
-
- You should have received a copy of the GNU General Public License along
- with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-/* Written by David MacKenzie <djm@gnu.ai.mit.edu>. */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <stdio.h>
-
-#ifdef _LIBC
-# include <libintl.h>
-#else
-# include "gettext.h"
-#endif
-
-#ifdef _LIBC
-# include <wchar.h>
-# define mbsrtowcs __mbsrtowcs
-#endif
-
-#if HAVE_VPRINTF || HAVE_DOPRNT || _LIBC
-# if __STDC__
-# include <stdarg.h>
-# define VA_START(args, lastarg) va_start(args, lastarg)
-# else
-# include <varargs.h>
-# define VA_START(args, lastarg) va_start(args)
-# endif
-#else
-# define va_alist a1, a2, a3, a4, a5, a6, a7, a8
-# define va_dcl char *a1, *a2, *a3, *a4, *a5, *a6, *a7, *a8;
-#endif
-
-#if STDC_HEADERS || _LIBC
-# include <stdlib.h>
-# include <string.h>
-#else
-void exit ();
-#endif
-
-#include "error.h"
-
-#if !_LIBC
-# include "unlocked-io.h"
-#endif
-
-#ifndef _
-# define _(String) String
-#endif
-
-/* If NULL, error will flush stdout, then print on stderr the program
- name, a colon and a space. Otherwise, error will call this
- function without parameters instead. */
-void (*error_print_progname) (
-#if __STDC__ - 0
- void
-#endif
- );
-
-/* This variable is incremented each time `error' is called. */
-unsigned int error_message_count;
-
-#ifdef _LIBC
-/* In the GNU C library, there is a predefined variable for this. */
-
-# define program_name program_invocation_name
-# include <errno.h>
-# include <libio/libioP.h>
-
-/* In GNU libc we want do not want to use the common name `error' directly.
- Instead make it a weak alias. */
-extern void __error (int status, int errnum, const char *message, ...)
- __attribute__ ((__format__ (__printf__, 3, 4)));
-extern void __error_at_line (int status, int errnum, const char *file_name,
- unsigned int line_number, const char *message,
- ...)
- __attribute__ ((__format__ (__printf__, 5, 6)));;
-# define error __error
-# define error_at_line __error_at_line
-
-# ifdef USE_IN_LIBIO
-# include <libio/iolibio.h>
-# define fflush(s) INTUSE(_IO_fflush) (s)
-# undef putc
-# define putc(c, fp) INTUSE(_IO_putc) (c, fp)
-# endif
-
-#else /* not _LIBC */
-
-# if !HAVE_DECL_STRERROR_R && STRERROR_R_CHAR_P
-# ifndef HAVE_DECL_STRERROR_R
-"this configure-time declaration test was not run"
-# endif
-char *strerror_r ();
-# endif
-
-/* The calling program should define program_name and set it to the
- name of the executing program. */
-extern char *program_name;
-
-# if HAVE_STRERROR_R || defined strerror_r
-# define __strerror_r strerror_r
-# else
-# if HAVE_STRERROR
-# ifndef HAVE_DECL_STRERROR
-"this configure-time declaration test was not run"
-# endif
-# if !HAVE_DECL_STRERROR
-char *strerror ();
-# endif
-# else
-static char *
-private_strerror (int errnum)
-{
- extern char *sys_errlist[];
- extern int sys_nerr;
-
- if (errnum > 0 && errnum <= sys_nerr)
- return _(sys_errlist[errnum]);
- return _("Unknown system error");
-}
-# define strerror private_strerror
-# endif /* HAVE_STRERROR */
-# endif /* HAVE_STRERROR_R || defined strerror_r */
-#endif /* not _LIBC */
-
-static void
-print_errno_message (int errnum)
-{
- char const *s;
-
-#if defined HAVE_STRERROR_R || _LIBC
- char errbuf[1024];
-# if STRERROR_R_CHAR_P || _LIBC
- s = __strerror_r (errnum, errbuf, sizeof errbuf);
-# else
- if (__strerror_r (errnum, errbuf, sizeof errbuf) == 0)
- s = errbuf;
- else
- s = 0;
-# endif
-#else
- s = strerror (errnum);
-#endif
-
-#if !_LIBC
- if (! s)
- s = _("Unknown system error");
-#endif
-
-#if _LIBC && USE_IN_LIBIO
- if (_IO_fwide (stderr, 0) > 0)
- {
- __fwprintf (stderr, L": %s", s);
- return;
- }
-#endif
-
- fprintf (stderr, ": %s", s);
-}
-
-#ifdef VA_START
-static void
-error_tail (int status, int errnum, const char *message, va_list args)
-{
-# if HAVE_VPRINTF || _LIBC
-# if _LIBC && USE_IN_LIBIO
- if (_IO_fwide (stderr, 0) > 0)
- {
-# define ALLOCA_LIMIT 2000
- size_t len = strlen (message) + 1;
- wchar_t *wmessage = NULL;
- mbstate_t st;
- size_t res;
- const char *tmp;
-
- do
- {
- if (len < ALLOCA_LIMIT)
- wmessage = (wchar_t *) alloca (len * sizeof (wchar_t));
- else
- {
- if (wmessage != NULL && len / 2 < ALLOCA_LIMIT)
- wmessage = NULL;
-
- wmessage = (wchar_t *) realloc (wmessage,
- len * sizeof (wchar_t));
-
- if (wmessage == NULL)
- {
- fputws_unlocked (L"out of memory\n", stderr);
- return;
- }
- }
-
- memset (&st, '\0', sizeof (st));
- tmp =message;
- }
- while ((res = mbsrtowcs (wmessage, &tmp, len, &st)) == len);
-
- if (res == (size_t) -1)
- /* The string cannot be converted. */
- wmessage = (wchar_t *) L"???";
-
- __vfwprintf (stderr, wmessage, args);
- }
- else
-# endif
- vfprintf (stderr, message, args);
-# else
- _doprnt (message, args, stderr);
-# endif
- va_end (args);
-
- ++error_message_count;
- if (errnum)
- print_errno_message (errnum);
-# if _LIBC && USE_IN_LIBIO
- if (_IO_fwide (stderr, 0) > 0)
- putwc (L'\n', stderr);
- else
-# endif
- putc ('\n', stderr);
- fflush (stderr);
- if (status)
- exit (status);
-}
-#endif
-
-
-/* Print the program name and error message MESSAGE, which is a printf-style
- format string with optional args.
- If ERRNUM is nonzero, print its corresponding system error message.
- Exit with status STATUS if it is nonzero. */
-/* VARARGS */
-void
-#if defined VA_START && __STDC__
-error (int status, int errnum, const char *message, ...)
-#else
-error (status, errnum, message, va_alist)
- int status;
- int errnum;
- char *message;
- va_dcl
-#endif
-{
-#ifdef VA_START
- va_list args;
-#endif
-
- fflush (stdout);
-#ifdef _LIBC
-# ifdef USE_IN_LIBIO
- _IO_flockfile (stderr);
-# else
- __flockfile (stderr);
-# endif
-#endif
- if (error_print_progname)
- (*error_print_progname) ();
- else
- {
-#if _LIBC && USE_IN_LIBIO
- if (_IO_fwide (stderr, 0) > 0)
- __fwprintf (stderr, L"%s: ", program_name);
- else
-#endif
- fprintf (stderr, "%s: ", program_name);
- }
-
-#ifdef VA_START
- VA_START (args, message);
- error_tail (status, errnum, message, args);
-#else
- fprintf (stderr, message, a1, a2, a3, a4, a5, a6, a7, a8);
-
- ++error_message_count;
- if (errnum)
- print_errno_message (errnum);
- putc ('\n', stderr);
- fflush (stderr);
- if (status)
- exit (status);
-#endif
-
-#ifdef _LIBC
-# ifdef USE_IN_LIBIO
- _IO_funlockfile (stderr);
-# else
- __funlockfile (stderr);
-# endif
-#endif
-}
-\f
-/* Sometimes we want to have at most one error per line. This
- variable controls whether this mode is selected or not. */
-int error_one_per_line;
-
-void
-#if defined VA_START && __STDC__
-error_at_line (int status, int errnum, const char *file_name,
- unsigned int line_number, const char *message, ...)
-#else
-error_at_line (status, errnum, file_name, line_number, message, va_alist)
- int status;
- int errnum;
- const char *file_name;
- unsigned int line_number;
- char *message;
- va_dcl
-#endif
-{
-#ifdef VA_START
- va_list args;
-#endif
-
- if (error_one_per_line)
- {
- static const char *old_file_name;
- static unsigned int old_line_number;
-
- if (old_line_number == line_number
- && (file_name == old_file_name
- || strcmp (old_file_name, file_name) == 0))
- /* Simply return and print nothing. */
- return;
-
- old_file_name = file_name;
- old_line_number = line_number;
- }
-
- fflush (stdout);
-#ifdef _LIBC
-# ifdef USE_IN_LIBIO
- _IO_flockfile (stderr);
-# else
- __flockfile (stderr);
-# endif
-#endif
- if (error_print_progname)
- (*error_print_progname) ();
- else
- {
-#if _LIBC && USE_IN_LIBIO
- if (_IO_fwide (stderr, 0) > 0)
- __fwprintf (stderr, L"%s: ", program_name);
- else
-#endif
- fprintf (stderr, "%s:", program_name);
- }
-
- if (file_name != NULL)
- {
-#if _LIBC && USE_IN_LIBIO
- if (_IO_fwide (stderr, 0) > 0)
- __fwprintf (stderr, L"%s:%d: ", file_name, line_number);
- else
-#endif
- fprintf (stderr, "%s:%d: ", file_name, line_number);
- }
-
-#ifdef VA_START
- VA_START (args, message);
- error_tail (status, errnum, message, args);
-#else
- fprintf (stderr, message, a1, a2, a3, a4, a5, a6, a7, a8);
-
- ++error_message_count;
- if (errnum)
- print_errno_message (errnum);
- putc ('\n', stderr);
- fflush (stderr);
- if (status)
- exit (status);
-#endif
-
-#ifdef _LIBC
-# ifdef USE_IN_LIBIO
- _IO_funlockfile (stderr);
-# else
- __funlockfile (stderr);
-# endif
-#endif
-}
-
-#ifdef _LIBC
-/* Make the weak alias. */
-# undef error
-# undef error_at_line
-weak_alias (__error, error)
-weak_alias (__error_at_line, error_at_line)
-#endif
projects / chaz / tar / blobdiff