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Diff for /embedaddon/libiconv/srclib/error.c between versions 1.1 and 1.1.1.3

version 1.1, 2012/02/21 22:57:48 version 1.1.1.3, 2021/03/17 13:38:46
Line 1 Line 1
 /* Error handler for noninteractive utilities  /* Error handler for noninteractive utilities
   Copyright (C) 1990-1998, 2000-2007 Free Software Foundation, Inc.   Copyright (C) 1990-1998, 2000-2007, 2009-2019 Free Software Foundation, Inc.
    This file is part of the GNU C Library.     This file is part of the GNU C Library.
   
    This program is free software: you can redistribute it and/or modify     This program is free software: you can redistribute it and/or modify
Line 13 Line 13
    GNU General Public License for more details.     GNU General Public License for more details.
   
    You should have received a copy of the GNU General Public License     You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
   
 /* Written by David MacKenzie <djm@gnu.ai.mit.edu>.  */  /* Written by David MacKenzie <djm@gnu.ai.mit.edu>.  */
   
Line 39 Line 39
 # include <stdint.h>  # include <stdint.h>
 # include <wchar.h>  # include <wchar.h>
 # define mbsrtowcs __mbsrtowcs  # define mbsrtowcs __mbsrtowcs
   # define USE_UNLOCKED_IO 0
   # define _GL_ATTRIBUTE_FORMAT_PRINTF(a, b)
   # define _GL_ARG_NONNULL(a)
   #else
   # include "getprogname.h"
 #endif  #endif
   
 #if USE_UNLOCKED_IO  #if USE_UNLOCKED_IO
Line 54 Line 59
    function without parameters instead.  */     function without parameters instead.  */
 void (*error_print_progname) (void);  void (*error_print_progname) (void);
   
/* This variable is incremented each time `error' is called.  *//* This variable is incremented each time 'error' is called.  */
 unsigned int error_message_count;  unsigned int error_message_count;
   
 #ifdef _LIBC  #ifdef _LIBC
Line 65  unsigned int error_message_count; Line 70  unsigned int error_message_count;
 # include <limits.h>  # include <limits.h>
 # include <libio/libioP.h>  # include <libio/libioP.h>
   
/* In GNU libc we want do not want to use the common name `error' directly./* In GNU libc we want do not want to use the common name 'error' directly.
    Instead make it a weak alias.  */     Instead make it a weak alias.  */
 extern void __error (int status, int errnum, const char *message, ...)  extern void __error (int status, int errnum, const char *message, ...)
      __attribute__ ((__format__ (__printf__, 3, 4)));       __attribute__ ((__format__ (__printf__, 3, 4)));
 extern void __error_at_line (int status, int errnum, const char *file_name,  extern void __error_at_line (int status, int errnum, const char *file_name,
                             unsigned int line_number, const char *message,                             unsigned int line_number, const char *message,
                             ...)                             ...)
     __attribute__ ((__format__ (__printf__, 5, 6)));;     __attribute__ ((__format__ (__printf__, 5, 6)));
 # define error __error  # define error __error
 # define error_at_line __error_at_line  # define error_at_line __error_at_line
   
 # include <libio/iolibio.h>  # include <libio/iolibio.h>
# define fflush(s) INTUSE(_IO_fflush) (s)# define fflush(s) _IO_fflush (s)
 # undef putc  # undef putc
# define putc(c, fp) INTUSE(_IO_putc) (c, fp)# define putc(c, fp) _IO_putc (c, fp)
   
 # include <bits/libc-lock.h>  # include <bits/libc-lock.h>
   
 #else /* not _LIBC */  #else /* not _LIBC */
   
# if !HAVE_DECL_STRERROR_R && STRERROR_R_CHAR_P# include <fcntl.h>
 # include <unistd.h>
 
 # if defined _WIN32 && ! defined __CYGWIN__
 /* Get declarations of the native Windows API functions.  */
 #  define WIN32_LEAN_AND_MEAN
 #  include <windows.h>
 /* Get _get_osfhandle.  */
 #  if GNULIB_MSVC_NOTHROW
 #   include "msvc-nothrow.h"
 #  else
 #   include <io.h>
 #  endif
 # endif
 
 /* The gnulib override of fcntl is not needed in this file.  */
 # undef fcntl
 
 # if !(GNULIB_STRERROR_R_POSIX || HAVE_DECL_STRERROR_R)
 #  ifndef HAVE_DECL_STRERROR_R  #  ifndef HAVE_DECL_STRERROR_R
 "this configure-time declaration test was not run"  "this configure-time declaration test was not run"
 #  endif  #  endif
char *strerror_r ();#  if STRERROR_R_CHAR_P
 char *strerror_r (int errnum, char *buf, size_t buflen);
 #  else
 int strerror_r (int errnum, char *buf, size_t buflen);
 #  endif
 # endif  # endif
   
/* The calling program should define program_name and set it to the#define program_name getprogname ()
   name of the executing program.  */ 
extern char *program_name; 
   
# if HAVE_STRERROR_R || defined strerror_r# if GNULIB_STRERROR_R_POSIX || HAVE_STRERROR_R || defined strerror_r
 #  define __strerror_r strerror_r  #  define __strerror_r strerror_r
# endif /* HAVE_STRERROR_R || defined strerror_r */# endif /* GNULIB_STRERROR_R_POSIX || HAVE_STRERROR_R || defined strerror_r */
#endif  /* not _LIBC */#endif  /* not _LIBC */
   
   #if !_LIBC
   /* Return non-zero if FD is open.  */
   static int
   is_open (int fd)
   {
   # if defined _WIN32 && ! defined __CYGWIN__
     /* On native Windows: The initial state of unassigned standard file
        descriptors is that they are open but point to an INVALID_HANDLE_VALUE.
        There is no fcntl, and the gnulib replacement fcntl does not support
        F_GETFL.  */
     return (HANDLE) _get_osfhandle (fd) != INVALID_HANDLE_VALUE;
   # else
   #  ifndef F_GETFL
   #   error Please port fcntl to your platform
   #  endif
     return 0 <= fcntl (fd, F_GETFL);
   # endif
   }
   #endif
   
 static void  static void
   flush_stdout (void)
   {
   #if !_LIBC
     int stdout_fd;
   
   # if GNULIB_FREOPEN_SAFER
     /* Use of gnulib's freopen-safer module normally ensures that
          fileno (stdout) == 1
        whenever stdout is open.  */
     stdout_fd = STDOUT_FILENO;
   # else
     /* POSIX states that fileno (stdout) after fclose is unspecified.  But in
        practice it is not a problem, because stdout is statically allocated and
        the fd of a FILE stream is stored as a field in its allocated memory.  */
     stdout_fd = fileno (stdout);
   # endif
     /* POSIX states that fflush (stdout) after fclose is unspecified; it
        is safe in glibc, but not on all other platforms.  fflush (NULL)
        is always defined, but too draconian.  */
     if (0 <= stdout_fd && is_open (stdout_fd))
   #endif
       fflush (stdout);
   }
   
   static void
 print_errno_message (int errnum)  print_errno_message (int errnum)
 {  {
   char const *s;    char const *s;
   
#if defined HAVE_STRERROR_R || _LIBC#if _LIBC || GNULIB_STRERROR_R_POSIX || defined HAVE_STRERROR_R
   char errbuf[1024];    char errbuf[1024];
# if STRERROR_R_CHAR_P || _LIBC# if _LIBC || (!GNULIB_STRERROR_R_POSIX && STRERROR_R_CHAR_P)
   s = __strerror_r (errnum, errbuf, sizeof errbuf);    s = __strerror_r (errnum, errbuf, sizeof errbuf);
 # else  # else
   if (__strerror_r (errnum, errbuf, sizeof errbuf) == 0)    if (__strerror_r (errnum, errbuf, sizeof errbuf) == 0)
Line 132  print_errno_message (int errnum) Line 202  print_errno_message (int errnum)
 #endif  #endif
 }  }
   
static voidstatic void _GL_ATTRIBUTE_FORMAT_PRINTF (3, 0) _GL_ARG_NONNULL ((3))
 error_tail (int status, int errnum, const char *message, va_list args)  error_tail (int status, int errnum, const char *message, va_list args)
 {  {
 #if _LIBC  #if _LIBC
   if (_IO_fwide (stderr, 0) > 0)    if (_IO_fwide (stderr, 0) > 0)
     {      {
 # define ALLOCA_LIMIT 2000  
       size_t len = strlen (message) + 1;        size_t len = strlen (message) + 1;
       wchar_t *wmessage = NULL;        wchar_t *wmessage = NULL;
       mbstate_t st;        mbstate_t st;
Line 147  error_tail (int status, int errnum, const char *messag Line 216  error_tail (int status, int errnum, const char *messag
       bool use_malloc = false;        bool use_malloc = false;
   
       while (1)        while (1)
        {        {
          if (__libc_use_alloca (len * sizeof (wchar_t)))          if (__libc_use_alloca (len * sizeof (wchar_t)))
            wmessage = (wchar_t *) alloca (len * sizeof (wchar_t));            wmessage = (wchar_t *) alloca (len * sizeof (wchar_t));
          else          else
            {            {
              if (!use_malloc)              if (!use_malloc)
                wmessage = NULL;                wmessage = NULL;
   
              wchar_t *p = (wchar_t *) realloc (wmessage,              wchar_t *p = (wchar_t *) realloc (wmessage,
                                                len * sizeof (wchar_t));                                                len * sizeof (wchar_t));
              if (p == NULL)              if (p == NULL)
                {                {
                  free (wmessage);                  free (wmessage);
                  fputws_unlocked (L"out of memory\n", stderr);                  fputws_unlocked (L"out of memory\n", stderr);
                  return;                  return;
                }                }
              wmessage = p;              wmessage = p;
              use_malloc = true;              use_malloc = true;
            }            }
   
          memset (&st, '\0', sizeof (st));          memset (&st, '\0', sizeof (st));
          tmp = message;          tmp = message;
   
          res = mbsrtowcs (wmessage, &tmp, len, &st);          res = mbsrtowcs (wmessage, &tmp, len, &st);
          if (res != len)          if (res != len)
            break;            break;
   
          if (__builtin_expect (len >= SIZE_MAX / 2, 0))          if (__builtin_expect (len >= SIZE_MAX / sizeof (wchar_t) / 2, 0))
            {            {
              /* This really should not happen if everything is fine.  */              /* This really should not happen if everything is fine.  */
              res = (size_t) -1;              res = (size_t) -1;
              break;              break;
            }            }
   
          len *= 2;          len *= 2;
        }        }
   
       if (res == (size_t) -1)        if (res == (size_t) -1)
        {        {
          /* The string cannot be converted.  */          /* The string cannot be converted.  */
          if (use_malloc)          if (use_malloc)
            {            {
              free (wmessage);              free (wmessage);
              use_malloc = false;              use_malloc = false;
            }            }
          wmessage = (wchar_t *) L"???";          wmessage = (wchar_t *) L"???";
        }        }
   
       __vfwprintf (stderr, wmessage, args);        __vfwprintf (stderr, wmessage, args);
   
       if (use_malloc)        if (use_malloc)
        free (wmessage);        free (wmessage);
     }      }
   else    else
 #endif  #endif
     vfprintf (stderr, message, args);      vfprintf (stderr, message, args);
   va_end (args);  
   
   ++error_message_count;    ++error_message_count;
   if (errnum)    if (errnum)
Line 233  error (int status, int errnum, const char *message, .. Line 301  error (int status, int errnum, const char *message, ..
      cancellation.  Therefore disable cancellation for now.  */       cancellation.  Therefore disable cancellation for now.  */
   int state = PTHREAD_CANCEL_ENABLE;    int state = PTHREAD_CANCEL_ENABLE;
   __libc_ptf_call (pthread_setcancelstate, (PTHREAD_CANCEL_DISABLE, &state),    __libc_ptf_call (pthread_setcancelstate, (PTHREAD_CANCEL_DISABLE, &state),
                   0);                   0);
 #endif  #endif
   
  fflush (stdout);  flush_stdout ();
 #ifdef _LIBC  #ifdef _LIBC
   _IO_flockfile (stderr);    _IO_flockfile (stderr);
 #endif  #endif
Line 253  error (int status, int errnum, const char *message, .. Line 321  error (int status, int errnum, const char *message, ..
   
   va_start (args, message);    va_start (args, message);
   error_tail (status, errnum, message, args);    error_tail (status, errnum, message, args);
     va_end (args);
   
 #ifdef _LIBC  #ifdef _LIBC
   _IO_funlockfile (stderr);    _IO_funlockfile (stderr);
Line 268  int error_one_per_line; Line 337  int error_one_per_line;
   
 void  void
 error_at_line (int status, int errnum, const char *file_name,  error_at_line (int status, int errnum, const char *file_name,
               unsigned int line_number, const char *message, ...)               unsigned int line_number, const char *message, ...)
 {  {
   va_list args;    va_list args;
   
Line 278  error_at_line (int status, int errnum, const char *fil Line 347  error_at_line (int status, int errnum, const char *fil
       static unsigned int old_line_number;        static unsigned int old_line_number;
   
       if (old_line_number == line_number        if (old_line_number == line_number
          && (file_name == old_file_name          && (file_name == old_file_name
              || strcmp (old_file_name, file_name) == 0))              || (old_file_name != NULL
        /* Simply return and print nothing.  */                  && file_name != NULL
        return;                  && strcmp (old_file_name, file_name) == 0)))
   
           /* Simply return and print nothing.  */
           return;
   
       old_file_name = file_name;        old_file_name = file_name;
       old_line_number = line_number;        old_line_number = line_number;
     }      }
Line 292  error_at_line (int status, int errnum, const char *fil Line 364  error_at_line (int status, int errnum, const char *fil
      cancellation.  Therefore disable cancellation for now.  */       cancellation.  Therefore disable cancellation for now.  */
   int state = PTHREAD_CANCEL_ENABLE;    int state = PTHREAD_CANCEL_ENABLE;
   __libc_ptf_call (pthread_setcancelstate, (PTHREAD_CANCEL_DISABLE, &state),    __libc_ptf_call (pthread_setcancelstate, (PTHREAD_CANCEL_DISABLE, &state),
                   0);                   0);
 #endif  #endif
   
  fflush (stdout);  flush_stdout ();
 #ifdef _LIBC  #ifdef _LIBC
   _IO_flockfile (stderr);    _IO_flockfile (stderr);
 #endif  #endif
Line 311  error_at_line (int status, int errnum, const char *fil Line 383  error_at_line (int status, int errnum, const char *fil
     }      }
   
 #if _LIBC  #if _LIBC
  __fxprintf (NULL, file_name != NULL ? "%s:%d: " : " ",  __fxprintf (NULL, file_name != NULL ? "%s:%u: " : " ",
              file_name, line_number);              file_name, line_number);
 #else  #else
  fprintf (stderr, file_name != NULL ? "%s:%d: " : " ",  fprintf (stderr, file_name != NULL ? "%s:%u: " : " ",
           file_name, line_number);           file_name, line_number);
 #endif  #endif
   
   va_start (args, message);    va_start (args, message);
   error_tail (status, errnum, message, args);    error_tail (status, errnum, message, args);
     va_end (args);
   
 #ifdef _LIBC  #ifdef _LIBC
   _IO_funlockfile (stderr);    _IO_funlockfile (stderr);
Removed from v.1.1  
changed lines
  Added in v.1.1.1.3

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