arch/powerpc/lib/e2a.c

   1 /*
   2  *  EBCDIC to ASCII conversion
   3  *
   4  * This function moved here from arch/powerpc/platforms/iseries/viopath.c
   5  *
   6  * (C) Copyright 2000-2004 IBM Corporation
   7  *
   8  * This program is free software;  you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of the
  11  * License, or (at your option) anyu later version.
  12  *
  13  * This program is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software Foundation,
  20  * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  21  *
  22  */
  23
  24 #include <linux/module.h>
  25
  26 unsigned char e2a(unsigned char x)
  27 {
  28         switch (x) {
  29         case 0xF0:
  30                 return '0';
  31         case 0xF1:
  32                 return '1';
  33         case 0xF2:
  34                 return '2';
  35         case 0xF3:
  36                 return '3';
  37         case 0xF4:
  38                 return '4';
  39         case 0xF5:
  40                 return '5';
  41         case 0xF6:
  42                 return '6';
  43         case 0xF7:
  44                 return '7';
  45         case 0xF8:
  46                 return '8';
  47         case 0xF9:
  48                 return '9';
  49         case 0xC1:
  50                 return 'A';
  51         case 0xC2:
  52                 return 'B';
  53         case 0xC3:
  54                 return 'C';
  55         case 0xC4:
  56                 return 'D';
  57         case 0xC5:
  58                 return 'E';
  59         case 0xC6:
  60                 return 'F';
  61         case 0xC7:
  62                 return 'G';
  63         case 0xC8:
  64                 return 'H';
  65         case 0xC9:
  66                 return 'I';
  67         case 0xD1:
  68                 return 'J';
  69         case 0xD2:
  70                 return 'K';
  71         case 0xD3:
  72                 return 'L';
  73         case 0xD4:
  74                 return 'M';
  75         case 0xD5:
  76                 return 'N';
  77         case 0xD6:
  78                 return 'O';
  79         case 0xD7:
  80                 return 'P';
  81         case 0xD8:
  82                 return 'Q';
  83         case 0xD9:
  84                 return 'R';
  85         case 0xE2:
  86                 return 'S';
  87         case 0xE3:
  88                 return 'T';
  89         case 0xE4:
  90                 return 'U';
  91         case 0xE5:
  92                 return 'V';
  93         case 0xE6:
  94                 return 'W';
  95         case 0xE7:
  96                 return 'X';
  97         case 0xE8:
  98                 return 'Y';
  99         case 0xE9:
 100                 return 'Z';
 101         }
 102         return ' ';
 103 }
 104 EXPORT_SYMBOL(e2a);
 105
 106 unsigned char* strne2a(unsigned char *dest, const unsigned char *src, size_t n)
 107 {
 108         int i;
 109
 110         n = strnlen(src, n);
 111
 112         for (i = 0; i < n; i++)
 113                 dest[i] = e2a(src[i]);
 114
 115         return dest;
 116 }