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2.5-18.1
This commit is contained in:
Jakub Jelinek
217
misc/error.c
217
misc/error.c
@ -1,7 +1,6 @@
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/* Error handler for noninteractive utilities
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Copyright (C) 1990-1998, 2000-2003, 2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library. Its master source is NOT part of
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the C library, however. The master source lives in /gd/gnu/lib.
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Copyright (C) 1990-1998, 2000-2005, 2006 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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@ -24,33 +23,19 @@
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# include <config.h>
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#endif
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#include <stdarg.h>
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#include <stdio.h>
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#include <libintl.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef _LIBC
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# include <libintl.h>
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# include <stdbool.h>
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# include <stdint.h>
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# include <wchar.h>
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# define mbsrtowcs __mbsrtowcs
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#endif
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#if HAVE_VPRINTF || HAVE_DOPRNT || _LIBC
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# if __STDC__
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# include <stdarg.h>
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# define VA_START(args, lastarg) va_start(args, lastarg)
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# else
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# include <varargs.h>
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# define VA_START(args, lastarg) va_start(args)
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# endif
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#else
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# define va_alist a1, a2, a3, a4, a5, a6, a7, a8
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# define va_dcl char *a1, *a2, *a3, *a4, *a5, *a6, *a7, *a8;
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#endif
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#if STDC_HEADERS || _LIBC
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# include <stdlib.h>
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# include <string.h>
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#else
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void exit ();
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#endif
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#include "error.h"
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#ifndef _
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@ -60,11 +45,7 @@ void exit ();
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/* If NULL, error will flush stdout, then print on stderr the program
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name, a colon and a space. Otherwise, error will call this
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function without parameters instead. */
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void (*error_print_progname) (
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#if __STDC__ - 0
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void
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#endif
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);
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void (*error_print_progname) (void);
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/* This variable is incremented each time `error' is called. */
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unsigned int error_message_count;
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@ -74,6 +55,7 @@ unsigned int error_message_count;
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# define program_name program_invocation_name
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# include <errno.h>
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# include <limits.h>
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# include <libio/libioP.h>
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/* In GNU libc we want do not want to use the common name `error' directly.
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@ -109,27 +91,6 @@ extern char *program_name;
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# if HAVE_STRERROR_R || defined strerror_r
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# define __strerror_r strerror_r
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# else
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# if HAVE_STRERROR
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# ifndef HAVE_DECL_STRERROR
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"this configure-time declaration test was not run"
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# endif
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# if !HAVE_DECL_STRERROR
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char *strerror ();
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# endif
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# else
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static char *
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private_strerror (int errnum)
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{
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extern char *sys_errlist[];
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extern int sys_nerr;
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if (errnum > 0 && errnum <= sys_nerr)
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return _(sys_errlist[errnum]);
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return _("Unknown system error");
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}
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# define strerror private_strerror
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# endif /* HAVE_STRERROR */
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# endif /* HAVE_STRERROR_R || defined strerror_r */
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#endif /* not _LIBC */
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@ -158,38 +119,33 @@ print_errno_message (int errnum)
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#endif
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#if _LIBC
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if (_IO_fwide (stderr, 0) > 0)
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{
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__fwprintf (stderr, L": %s", s);
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return;
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}
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#endif
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__fxprintf (NULL, ": %s", s);
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#else
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fprintf (stderr, ": %s", s);
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#endif
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}
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#ifdef VA_START
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static void
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error_tail (int status, int errnum, const char *message, va_list args)
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{
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# if HAVE_VPRINTF || _LIBC
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# if _LIBC
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#if _LIBC
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if (_IO_fwide (stderr, 0) > 0)
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{
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# define ALLOCA_LIMIT 2000
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# define ALLOCA_LIMIT 2000
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size_t len = strlen (message) + 1;
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wchar_t *wmessage = NULL;
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mbstate_t st;
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size_t res;
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const char *tmp;
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bool use_malloc = false;
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do
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while (1)
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{
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if (len < ALLOCA_LIMIT)
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if (__libc_use_alloca (len * sizeof (wchar_t)))
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wmessage = (wchar_t *) alloca (len * sizeof (wchar_t));
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else
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{
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if (wmessage != NULL && len / 2 < ALLOCA_LIMIT)
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if (!use_malloc)
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wmessage = NULL;
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wchar_t *p = (wchar_t *) realloc (wmessage,
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@ -201,62 +157,69 @@ error_tail (int status, int errnum, const char *message, va_list args)
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return;
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}
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wmessage = p;
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use_malloc = true;
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}
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memset (&st, '\0', sizeof (st));
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tmp = message;
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res = mbsrtowcs (wmessage, &tmp, len, &st);
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if (res != len)
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break;
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if (__builtin_expect (len >= SIZE_MAX / 2, 0))
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{
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/* This really should not happen if everything is fine. */
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res = (size_t) -1;
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break;
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}
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len *= 2;
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}
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while ((res = mbsrtowcs (wmessage, &tmp, len, &st)) == len);
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if (res == (size_t) -1)
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/* The string cannot be converted. */
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wmessage = (wchar_t *) L"???";
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{
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/* The string cannot be converted. */
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if (use_malloc)
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{
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free (wmessage);
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use_malloc = false;
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}
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wmessage = (wchar_t *) L"???";
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}
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__vfwprintf (stderr, wmessage, args);
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if (use_malloc)
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free (wmessage);
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}
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else
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# endif
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#endif
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vfprintf (stderr, message, args);
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# else
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_doprnt (message, args, stderr);
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# endif
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va_end (args);
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++error_message_count;
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if (errnum)
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print_errno_message (errnum);
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# if _LIBC
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if (_IO_fwide (stderr, 0) > 0)
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putwc (L'\n', stderr);
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else
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# endif
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putc ('\n', stderr);
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#if _LIBC
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__fxprintf (NULL, "\n");
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#else
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putc ('\n', stderr);
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#endif
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fflush (stderr);
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if (status)
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exit (status);
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}
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#endif
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/* Print the program name and error message MESSAGE, which is a printf-style
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format string with optional args.
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If ERRNUM is nonzero, print its corresponding system error message.
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Exit with status STATUS if it is nonzero. */
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/* VARARGS */
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void
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#if defined VA_START && __STDC__
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error (int status, int errnum, const char *message, ...)
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#else
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error (status, errnum, message, va_alist)
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int status;
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int errnum;
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char *message;
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va_dcl
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#endif
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{
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#ifdef VA_START
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va_list args;
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#endif
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#if defined _LIBC && defined __libc_ptf_call
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/* We do not want this call to be cut short by a thread
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@ -275,27 +238,14 @@ error (status, errnum, message, va_alist)
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else
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{
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#if _LIBC
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if (_IO_fwide (stderr, 0) > 0)
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__fwprintf (stderr, L"%s: ", program_name);
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else
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__fxprintf (NULL, "%s: ", program_name);
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#else
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fprintf (stderr, "%s: ", program_name);
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#endif
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fprintf (stderr, "%s: ", program_name);
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}
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#ifdef VA_START
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VA_START (args, message);
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va_start (args, message);
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error_tail (status, errnum, message, args);
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#else
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fprintf (stderr, message, a1, a2, a3, a4, a5, a6, a7, a8);
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++error_message_count;
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if (errnum)
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print_errno_message (errnum);
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putc ('\n', stderr);
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fflush (stderr);
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if (status)
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exit (status);
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#endif
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#ifdef _LIBC
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_IO_funlockfile (stderr);
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@ -310,22 +260,10 @@ error (status, errnum, message, va_alist)
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int error_one_per_line;
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void
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#if defined VA_START && __STDC__
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error_at_line (int status, int errnum, const char *file_name,
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unsigned int line_number, const char *message, ...)
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#else
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error_at_line (status, errnum, file_name, line_number, message, va_alist)
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int status;
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int errnum;
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const char *file_name;
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unsigned int line_number;
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char *message;
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va_dcl
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#endif
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{
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#ifdef VA_START
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va_list args;
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#endif
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if (error_one_per_line)
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{
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@ -359,37 +297,22 @@ error_at_line (status, errnum, file_name, line_number, message, va_alist)
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else
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{
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#if _LIBC
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if (_IO_fwide (stderr, 0) > 0)
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__fwprintf (stderr, L"%s: ", program_name);
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else
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#endif
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fprintf (stderr, "%s:", program_name);
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}
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if (file_name != NULL)
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{
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#if _LIBC
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if (_IO_fwide (stderr, 0) > 0)
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__fwprintf (stderr, L"%s:%d: ", file_name, line_number);
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else
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#endif
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fprintf (stderr, "%s:%d: ", file_name, line_number);
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}
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#ifdef VA_START
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VA_START (args, message);
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error_tail (status, errnum, message, args);
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__fxprintf (NULL, "%s:", program_name);
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#else
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fprintf (stderr, message, a1, a2, a3, a4, a5, a6, a7, a8);
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++error_message_count;
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if (errnum)
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print_errno_message (errnum);
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putc ('\n', stderr);
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fflush (stderr);
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if (status)
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exit (status);
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fprintf (stderr, "%s:", program_name);
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#endif
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}
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#if _LIBC
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__fxprintf (NULL, file_name != NULL ? "%s:%d: " : " ",
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file_name, line_number);
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#else
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fprintf (stderr, file_name != NULL ? "%s:%d: " : " ",
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file_name, line_number);
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#endif
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va_start (args, message);
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error_tail (status, errnum, message, args);
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#ifdef _LIBC
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_IO_funlockfile (stderr);
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