/* Error handler for noninteractive utilities
- Copyright (C) 1990-1998, 2000-2003 Free Software Foundation, Inc.
+ Copyright (C) 1990-1998, 2000-2003, 2004 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
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)
# include <config.h>
#endif
-#include <stdio.h>
+#include "error.h"
-#if !HAVE_ERROR_AT_LINE
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
-#ifdef _LIBC
-# include <libintl.h>
-#else
+#if !_LIBC && ENABLE_NLS
# include "gettext.h"
#endif
# define mbsrtowcs __mbsrtowcs
#endif
-#if HAVE_VPRINTF || HAVE_DOPRNT || _LIBC
-# if __STDC__ || defined _MSC_VER
-# 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
+#if USE_UNLOCKED_IO
# include "unlocked-io.h"
#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
- );
+void (*error_print_progname) (void);
/* This variable is incremented each time `error' is called. */
unsigned int error_message_count;
# 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
+# include <libio/iolibio.h>
+# define fflush(s) INTUSE(_IO_fflush) (s)
+# undef putc
+# define putc(c, fp) INTUSE(_IO_putc) (c, fp)
+
+# include <bits/libc-lock.h>
#else /* not _LIBC */
char *strerror_r ();
# endif
+# ifndef SIZE_MAX
+# define SIZE_MAX ((size_t) -1)
+# 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
#endif /* not _LIBC */
static void
print_errno_message (int errnum)
{
- char const *s;
+ char const *s = NULL;
#if defined HAVE_STRERROR_R || _LIBC
char errbuf[1024];
# else
if (__strerror_r (errnum, errbuf, sizeof errbuf) == 0)
s = errbuf;
- else
- s = 0;
# endif
-#else
- s = strerror (errnum);
#endif
#if !_LIBC
- if (! s)
+ if (! s && ! (s = strerror (errnum)))
s = _("Unknown system error");
#endif
-#if _LIBC && USE_IN_LIBIO
+#if _LIBC
if (_IO_fwide (stderr, 0) > 0)
{
__fwprintf (stderr, L": %s", s);
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 _LIBC
if (_IO_fwide (stderr, 0) > 0)
{
-# define ALLOCA_LIMIT 2000
+# define ALLOCA_LIMIT 2000
size_t len = strlen (message) + 1;
- wchar_t *wmessage = NULL;
- mbstate_t st;
- size_t res;
- const char *tmp;
-
- do
+ const wchar_t *wmessage = L"out of memory";
+ wchar_t *wbuf = (len < ALLOCA_LIMIT
+ ? alloca (len * sizeof *wbuf)
+ : len <= SIZE_MAX / sizeof *wbuf
+ ? malloc (len * sizeof *wbuf)
+ : NULL);
+
+ if (wbuf)
{
- 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;
- }
- }
-
+ size_t res;
+ mbstate_t st;
+ const char *tmp = message;
memset (&st, '\0', sizeof (st));
- tmp =message;
+ res = mbsrtowcs (wbuf, &tmp, len, &st);
+ wmessage = res == (size_t) -1 ? L"???" : wbuf;
}
- 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);
+ if (! (len < ALLOCA_LIMIT))
+ free (wbuf);
}
else
-# endif
+#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 _LIBC
if (_IO_fwide (stderr, 0) > 0)
putwc (L'\n', stderr);
else
-# endif
+#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__ || defined _MSC_VER)
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;
+
+#if defined _LIBC && defined __libc_ptf_call
+ /* We do not want this call to be cut short by a thread
+ cancellation. Therefore disable cancellation for now. */
+ int state = PTHREAD_CANCEL_ENABLE;
+ __libc_ptf_call (pthread_setcancelstate, (PTHREAD_CANCEL_DISABLE, &state),
+ 0);
#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 _LIBC
if (_IO_fwide (stderr, 0) > 0)
__fwprintf (stderr, L"%s: ", program_name);
else
fprintf (stderr, "%s: ", program_name);
}
-#ifdef VA_START
- VA_START (args, message);
+ 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);
+# ifdef __libc_ptf_call
+ __libc_ptf_call (pthread_setcancelstate, (state, NULL), 0);
# endif
#endif
}
int error_one_per_line;
void
-#if defined VA_START && (__STDC__ || defined _MSC_VER)
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)
{
old_line_number = line_number;
}
+#if defined _LIBC && defined __libc_ptf_call
+ /* We do not want this call to be cut short by a thread
+ cancellation. Therefore disable cancellation for now. */
+ int state = PTHREAD_CANCEL_ENABLE;
+ __libc_ptf_call (pthread_setcancelstate, (PTHREAD_CANCEL_DISABLE, &state),
+ 0);
+#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 _LIBC
if (_IO_fwide (stderr, 0) > 0)
__fwprintf (stderr, L"%s: ", program_name);
else
if (file_name != NULL)
{
-#if _LIBC && USE_IN_LIBIO
+#if _LIBC
if (_IO_fwide (stderr, 0) > 0)
__fwprintf (stderr, L"%s:%d: ", file_name, line_number);
else
fprintf (stderr, "%s:%d: ", file_name, line_number);
}
-#ifdef VA_START
- VA_START (args, message);
+ 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);
+# ifdef __libc_ptf_call
+ __libc_ptf_call (pthread_setcancelstate, (state, NULL), 0);
# endif
#endif
}
weak_alias (__error, error)
weak_alias (__error_at_line, error_at_line)
#endif
-
-#endif
/* Declaration for error-reporting function
Copyright (C) 1995, 1996, 1997, 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
-
- NOTE: The canonical source of this file is maintained with the GNU C Library.
- Bugs can be reported to bug-glibc@gnu.org.
-
- 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 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. */
+ 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. */
#ifndef _ERROR_H
#define _ERROR_H 1
#ifndef __attribute__
/* This feature is available in gcc versions 2.5 and later. */
-# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
+# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5)
# define __attribute__(Spec) /* empty */
# endif
/* The __-protected variants of `format' and `printf' attributes
extern "C" {
#endif
-#if (defined (__STDC__) && __STDC__) || defined _MSC_VER
-
/* Print a message with `fprintf (stderr, FORMAT, ...)';
if ERRNUM is nonzero, follow it with ": " and strerror (ERRNUM).
If STATUS is nonzero, terminate the program with `exit (STATUS)'. */
-extern void error (int status, int errnum, const char *format, ...)
+extern void error (int __status, int __errnum, const char *__format, ...)
__attribute__ ((__format__ (__printf__, 3, 4)));
-extern void error_at_line (int status, int errnum, const char *fname,
- unsigned int lineno, const char *format, ...)
+extern void error_at_line (int __status, int __errnum, const char *__fname,
+ unsigned int __lineno, const char *__format, ...)
__attribute__ ((__format__ (__printf__, 5, 6)));
/* If NULL, error will flush stdout, then print on stderr the program
function without parameters instead. */
extern DLL_VARIABLE void (*error_print_progname) (void);
-#else
-void error ();
-void error_at_line ();
-extern DLL_VARIABLE void (*error_print_progname) ();
-#endif
-
/* This variable is incremented each time `error' is called. */
extern DLL_VARIABLE unsigned int error_message_count;
projects / thirdparty / gettext.git / commitdiff
