Imported Upstream version 1.4.15
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parent
882cdeecca
commit
047baae1ca
386 changed files with 60019 additions and 38317 deletions
170
gl/error.c
170
gl/error.c
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@ -1,5 +1,5 @@
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/* Error handler for noninteractive utilities
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Copyright (C) 1990-1998, 2000-2007 Free Software Foundation, Inc.
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Copyright (C) 1990-1998, 2000-2007, 2009-2010 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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This program is free software: you can redistribute it and/or modify
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@ -70,8 +70,8 @@ unsigned int error_message_count;
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extern void __error (int status, int errnum, const char *message, ...)
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__attribute__ ((__format__ (__printf__, 3, 4)));
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extern void __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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...)
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unsigned int line_number, const char *message,
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...)
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__attribute__ ((__format__ (__printf__, 5, 6)));;
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# define error __error
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# define error_at_line __error_at_line
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@ -85,6 +85,18 @@ extern void __error_at_line (int status, int errnum, const char *file_name,
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#else /* not _LIBC */
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# include <fcntl.h>
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# include <unistd.h>
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# if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
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/* Get declarations of the Win32 API functions. */
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# define WIN32_LEAN_AND_MEAN
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# include <windows.h>
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# endif
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/* The gnulib override of fcntl is not needed in this file. */
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# undef fcntl
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# if !HAVE_DECL_STRERROR_R && STRERROR_R_CHAR_P
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# ifndef HAVE_DECL_STRERROR_R
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"this configure-time declaration test was not run"
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@ -98,8 +110,52 @@ 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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# endif /* HAVE_STRERROR_R || defined strerror_r */
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#endif /* not _LIBC */
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# endif /* HAVE_STRERROR_R || defined strerror_r */
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#endif /* not _LIBC */
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#if !_LIBC
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/* Return non-zero if FD is open. */
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static inline int
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is_open (int fd)
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{
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# if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
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/* On Win32: The initial state of unassigned standard file descriptors is
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that they are open but point to an INVALID_HANDLE_VALUE. There is no
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fcntl, and the gnulib replacement fcntl does not support F_GETFL. */
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return (HANDLE) _get_osfhandle (fd) != INVALID_HANDLE_VALUE;
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# else
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# ifndef F_GETFL
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# error Please port fcntl to your platform
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# endif
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return 0 <= fcntl (fd, F_GETFL);
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# endif
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}
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#endif
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static inline void
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flush_stdout (void)
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{
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#if !_LIBC
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int stdout_fd;
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# if GNULIB_FREOPEN_SAFER
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/* Use of gnulib's freopen-safer module normally ensures that
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fileno (stdout) == 1
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whenever stdout is open. */
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stdout_fd = STDOUT_FILENO;
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# else
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/* POSIX states that fileno (stdout) after fclose is unspecified. But in
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practice it is not a problem, because stdout is statically allocated and
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the fd of a FILE stream is stored as a field in its allocated memory. */
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stdout_fd = fileno (stdout);
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# endif
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/* POSIX states that fflush (stdout) after fclose is unspecified; it
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is safe in glibc, but not on all other platforms. fflush (NULL)
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is always defined, but too draconian. */
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if (0 <= stdout_fd && is_open (stdout_fd))
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#endif
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fflush (stdout);
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}
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static void
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print_errno_message (int errnum)
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@ -147,58 +203,58 @@ error_tail (int status, int errnum, const char *message, va_list args)
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bool use_malloc = false;
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while (1)
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{
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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 (!use_malloc)
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wmessage = NULL;
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{
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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 (!use_malloc)
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wmessage = NULL;
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wchar_t *p = (wchar_t *) realloc (wmessage,
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len * sizeof (wchar_t));
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if (p == NULL)
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{
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free (wmessage);
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fputws_unlocked (L"out of memory\n", stderr);
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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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wchar_t *p = (wchar_t *) realloc (wmessage,
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len * sizeof (wchar_t));
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if (p == NULL)
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{
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free (wmessage);
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fputws_unlocked (L"out of memory\n", stderr);
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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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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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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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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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len *= 2;
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}
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if (res == (size_t) -1)
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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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{
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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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free (wmessage);
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}
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else
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#endif
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@ -233,10 +289,10 @@ error (int status, int errnum, const char *message, ...)
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cancellation. Therefore disable cancellation for now. */
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int state = PTHREAD_CANCEL_ENABLE;
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__libc_ptf_call (pthread_setcancelstate, (PTHREAD_CANCEL_DISABLE, &state),
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0);
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0);
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#endif
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fflush (stdout);
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flush_stdout ();
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#ifdef _LIBC
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_IO_flockfile (stderr);
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#endif
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@ -268,7 +324,7 @@ int error_one_per_line;
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void
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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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unsigned int line_number, const char *message, ...)
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{
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va_list args;
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@ -278,10 +334,10 @@ error_at_line (int status, int errnum, const char *file_name,
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static unsigned int old_line_number;
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if (old_line_number == line_number
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&& (file_name == old_file_name
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|| strcmp (old_file_name, file_name) == 0))
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/* Simply return and print nothing. */
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return;
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&& (file_name == old_file_name
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|| strcmp (old_file_name, file_name) == 0))
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/* Simply return and print nothing. */
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return;
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old_file_name = file_name;
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old_line_number = line_number;
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@ -292,10 +348,10 @@ error_at_line (int status, int errnum, const char *file_name,
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cancellation. Therefore disable cancellation for now. */
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int state = PTHREAD_CANCEL_ENABLE;
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__libc_ptf_call (pthread_setcancelstate, (PTHREAD_CANCEL_DISABLE, &state),
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0);
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0);
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#endif
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fflush (stdout);
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flush_stdout ();
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#ifdef _LIBC
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_IO_flockfile (stderr);
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#endif
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@ -312,10 +368,10 @@ error_at_line (int status, int errnum, const char *file_name,
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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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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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file_name, line_number);
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#endif
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va_start (args, message);
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