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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-7.1/] [libiberty/] [hex.c] - Diff between revs 227 and 816

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Rev 227 Rev 816
/* Hex character manipulation support.
/* Hex character manipulation support.
   Copyright (C) 1995, 2001 Free Software Foundation, Inc.
   Copyright (C) 1995, 2001 Free Software Foundation, Inc.
 
 
This file is part of the libiberty library.
This file is part of the libiberty library.
Libiberty is free software; you can redistribute it and/or
Libiberty is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
version 2 of the License, or (at your option) any later version.
 
 
Libiberty is distributed in the hope that it will be useful,
Libiberty is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Library General Public License for more details.
Library General Public License for more details.
 
 
You should have received a copy of the GNU Library General Public
You should have received a copy of the GNU Library General Public
License along with libiberty; see the file COPYING.LIB.  If
License along with libiberty; see the file COPYING.LIB.  If
not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
Boston, MA 02110-1301, USA.  */
Boston, MA 02110-1301, USA.  */
 
 
#include <stdio.h>  /* for EOF */
#include <stdio.h>  /* for EOF */
#ifdef HAVE_CONFIG_H
#ifdef HAVE_CONFIG_H
#include "config.h"
#include "config.h"
#endif
#endif
#include "libiberty.h"
#include "libiberty.h"
#include "safe-ctype.h" /* for HOST_CHARSET_ASCII */
#include "safe-ctype.h" /* for HOST_CHARSET_ASCII */
 
 
#if EOF != -1
#if EOF != -1
 #error "hex.c requires EOF == -1"
 #error "hex.c requires EOF == -1"
#endif
#endif
 
 
/*
/*
 
 
@deftypefn Extension void hex_init (void)
@deftypefn Extension void hex_init (void)
 
 
Initializes the array mapping the current character set to
Initializes the array mapping the current character set to
corresponding hex values.  This function must be called before any
corresponding hex values.  This function must be called before any
call to @code{hex_p} or @code{hex_value}.  If you fail to call it, a
call to @code{hex_p} or @code{hex_value}.  If you fail to call it, a
default ASCII-based table will normally be used on ASCII systems.
default ASCII-based table will normally be used on ASCII systems.
 
 
@end deftypefn
@end deftypefn
 
 
@deftypefn Extension int hex_p (int @var{c})
@deftypefn Extension int hex_p (int @var{c})
 
 
Evaluates to non-zero if the given character is a valid hex character,
Evaluates to non-zero if the given character is a valid hex character,
or zero if it is not.  Note that the value you pass will be cast to
or zero if it is not.  Note that the value you pass will be cast to
@code{unsigned char} within the macro.
@code{unsigned char} within the macro.
 
 
@end deftypefn
@end deftypefn
 
 
@deftypefn Extension {unsigned int} hex_value (int @var{c})
@deftypefn Extension {unsigned int} hex_value (int @var{c})
 
 
Returns the numeric equivalent of the given character when interpreted
Returns the numeric equivalent of the given character when interpreted
as a hexadecimal digit.  The result is undefined if you pass an
as a hexadecimal digit.  The result is undefined if you pass an
invalid hex digit.  Note that the value you pass will be cast to
invalid hex digit.  Note that the value you pass will be cast to
@code{unsigned char} within the macro.
@code{unsigned char} within the macro.
 
 
The @code{hex_value} macro returns @code{unsigned int}, rather than
The @code{hex_value} macro returns @code{unsigned int}, rather than
signed @code{int}, to make it easier to use in parsing addresses from
signed @code{int}, to make it easier to use in parsing addresses from
hex dump files: a signed @code{int} would be sign-extended when
hex dump files: a signed @code{int} would be sign-extended when
converted to a wider unsigned type --- like @code{bfd_vma}, on some
converted to a wider unsigned type --- like @code{bfd_vma}, on some
systems.
systems.
 
 
@end deftypefn
@end deftypefn
 
 
@undocumented _hex_array_size
@undocumented _hex_array_size
@undocumented _hex_bad
@undocumented _hex_bad
@undocumented _hex_value
@undocumented _hex_value
 
 
*/
*/
 
 
 
 
/* Are we ASCII? */
/* Are we ASCII? */
#if HOST_CHARSET == HOST_CHARSET_ASCII
#if HOST_CHARSET == HOST_CHARSET_ASCII
 
 
const unsigned char _hex_value[_hex_array_size] =
const unsigned char _hex_value[_hex_array_size] =
{
{
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* NUL SOH STX ETX */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* NUL SOH STX ETX */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* EOT ENQ ACK BEL */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* EOT ENQ ACK BEL */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* BS  HT  LF  VT  */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* BS  HT  LF  VT  */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* FF  CR  SO  SI  */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* FF  CR  SO  SI  */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* DLE DC1 DC2 DC3 */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* DLE DC1 DC2 DC3 */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* DC4 NAK SYN ETB */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* DC4 NAK SYN ETB */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* CAN EM  SUB ESC */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* CAN EM  SUB ESC */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* FS  GS  RS  US  */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* FS  GS  RS  US  */
 
 
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* SP  !   "   #   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* SP  !   "   #   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* $   %   &   '   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* $   %   &   '   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* (   )   *   +   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* (   )   *   +   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* ,   -   .   /   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* ,   -   .   /   */
  0,        1,        2,        3,          /* 0   1   2   3   */
  0,        1,        2,        3,          /* 0   1   2   3   */
  4,        5,        6,        7,          /* 4   5   6   7   */
  4,        5,        6,        7,          /* 4   5   6   7   */
  8,        9,        _hex_bad, _hex_bad,   /* 8   9   :   ;   */
  8,        9,        _hex_bad, _hex_bad,   /* 8   9   :   ;   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* <   =   >   ?   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* <   =   >   ?   */
 
 
  _hex_bad, 10,       11,       12,         /* @   A   B   C   */
  _hex_bad, 10,       11,       12,         /* @   A   B   C   */
  13,       14,       15,       _hex_bad,   /* D   E   F   G   */
  13,       14,       15,       _hex_bad,   /* D   E   F   G   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* H   I   J   K   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* H   I   J   K   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* L   M   N   O   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* L   M   N   O   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* P   Q   R   S   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* P   Q   R   S   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* T   U   V   W   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* T   U   V   W   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* X   Y   Z   [   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* X   Y   Z   [   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* \   ]   ^   _   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* \   ]   ^   _   */
 
 
  _hex_bad, 10,       11,       12,         /* `   a   b   c   */
  _hex_bad, 10,       11,       12,         /* `   a   b   c   */
  13,       14,       15,       _hex_bad,   /* d   e   f   g   */
  13,       14,       15,       _hex_bad,   /* d   e   f   g   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* h   i   j   k   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* h   i   j   k   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* l   m   n   o   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* l   m   n   o   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* p   q   r   s   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* p   q   r   s   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* t   u   v   w   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* t   u   v   w   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* x   y   z   {   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* x   y   z   {   */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* |   }   ~   DEL */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* |   }   ~   DEL */
 
 
  /* The high half of unsigned char, all values are _hex_bad.  */
  /* The high half of unsigned char, all values are _hex_bad.  */
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
 
 
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
 
 
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
 
 
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
};
};
#define HEX_TABLE_INITIALIZED
#define HEX_TABLE_INITIALIZED
 
 
#else
#else
 
 
unsigned char _hex_value[_hex_array_size];
unsigned char _hex_value[_hex_array_size];
 
 
#endif /* not ASCII */
#endif /* not ASCII */
 
 
void
void
hex_init (void)
hex_init (void)
{
{
#ifndef HEX_TABLE_INITIALIZED
#ifndef HEX_TABLE_INITIALIZED
  int i;
  int i;
 
 
  for (i=0; i<_hex_array_size; i++)
  for (i=0; i<_hex_array_size; i++)
    {
    {
      switch (i)
      switch (i)
        {
        {
        case '0': _hex_value[i] = 0; break;
        case '0': _hex_value[i] = 0; break;
        case '1': _hex_value[i] = 1; break;
        case '1': _hex_value[i] = 1; break;
        case '2': _hex_value[i] = 2; break;
        case '2': _hex_value[i] = 2; break;
        case '3': _hex_value[i] = 3; break;
        case '3': _hex_value[i] = 3; break;
        case '4': _hex_value[i] = 4; break;
        case '4': _hex_value[i] = 4; break;
        case '5': _hex_value[i] = 5; break;
        case '5': _hex_value[i] = 5; break;
        case '6': _hex_value[i] = 6; break;
        case '6': _hex_value[i] = 6; break;
        case '7': _hex_value[i] = 7; break;
        case '7': _hex_value[i] = 7; break;
        case '8': _hex_value[i] = 8; break;
        case '8': _hex_value[i] = 8; break;
        case '9': _hex_value[i] = 9; break;
        case '9': _hex_value[i] = 9; break;
 
 
        case 'a': case 'A': _hex_value[i] = 10; break;
        case 'a': case 'A': _hex_value[i] = 10; break;
        case 'b': case 'B': _hex_value[i] = 11; break;
        case 'b': case 'B': _hex_value[i] = 11; break;
        case 'c': case 'C': _hex_value[i] = 12; break;
        case 'c': case 'C': _hex_value[i] = 12; break;
        case 'd': case 'D': _hex_value[i] = 13; break;
        case 'd': case 'D': _hex_value[i] = 13; break;
        case 'e': case 'E': _hex_value[i] = 14; break;
        case 'e': case 'E': _hex_value[i] = 14; break;
        case 'f': case 'F': _hex_value[i] = 15; break;
        case 'f': case 'F': _hex_value[i] = 15; break;
 
 
        default:
        default:
          _hex_value[i] = _hex_bad;
          _hex_value[i] = _hex_bad;
          break;
          break;
        }
        }
    }
    }
#endif
#endif
}
}
 
 

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