#include "archinc.h"
#include "cli.h"
#include "clichar.h"
#include "strutil.h"

#include <stdio.h>

/*
 * This array is designed for mapping upper and lower case letter
 * together for a case independent comparison.  The mappings are
 * based upon ascii character sequences.
 */

static const unsigned char charmap[] = {
        '\000', '\001', '\002', '\003', '\004', '\005', '\006', '\007',
        '\010', '\011', '\012', '\013', '\014', '\015', '\016', '\017',
        '\020', '\021', '\022', '\023', '\024', '\025', '\026', '\027',
        '\030', '\031', '\032', '\033', '\034', '\035', '\036', '\037',
        '\040', '\041', '\042', '\043', '\044', '\045', '\046', '\047',
        '\050', '\051', '\052', '\053', '\054', '\055', '\056', '\057',
        '\060', '\061', '\062', '\063', '\064', '\065', '\066', '\067',
        '\070', '\071', '\072', '\073', '\074', '\075', '\076', '\077',
        '\100', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
        '\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
        '\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
        '\170', '\171', '\172', '\133', '\134', '\135', '\136', '\137',
        '\140', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
        '\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
        '\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
        '\170', '\171', '\172', '\173', '\174', '\175', '\176', '\177',
        '\200', '\201', '\202', '\203', '\204', '\205', '\206', '\207',
        '\210', '\211', '\212', '\213', '\214', '\215', '\216', '\217',
        '\220', '\221', '\222', '\223', '\224', '\225', '\226', '\227',
        '\230', '\231', '\232', '\233', '\234', '\235', '\236', '\237',
        '\240', '\241', '\242', '\243', '\244', '\245', '\246', '\247',
        '\250', '\251', '\252', '\253', '\254', '\255', '\256', '\257',
        '\260', '\261', '\262', '\263', '\264', '\265', '\266', '\267',
        '\270', '\271', '\272', '\273', '\274', '\275', '\276', '\277',
        '\300', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
        '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
        '\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367',
        '\370', '\371', '\372', '\333', '\334', '\335', '\336', '\337',
        '\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
        '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
        '\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367',
        '\370', '\371', '\372', '\373', '\374', '\375', '\376', '\377',
};

int strutil_strncasecmp(char *s1, char *s2, int n)
{
    register unsigned char u1, u2;

    for (; n != 0; --n) {
        u1 = (unsigned char) *s1++;
        u2 = (unsigned char) *s2++;
        if (charmap[u1] != charmap[u2]) {
            return charmap[u1] - charmap[u2];
        }
        if (u1 == '\0') {
            return 0;
        }
    }
    return 0;
}

void strutilHexdump(char *pHexData, int numBytes)
{
  int numLines;
  int i,j;
  int bytesRemain;
  int lineLen;
  int bufLen;
  char * pOutBuf;
  char printable, blah;

  pOutBuf = clicharGetOutputBuffer(&bufLen);

  numLines = ( ((numBytes / 16) < 1) ? 1 : (numBytes/16) ) ;
  bytesRemain = numBytes;

  for(i=0;i<numLines;i++) {
    sprintf(pOutBuf, "%04x: ",(i*10));
    lineLen = (bytesRemain < 16) ? bytesRemain : 16;
    for(j=0;j<lineLen;j++) {
      blah = pHexData[((i*16)+j)];
      sprintf((pOutBuf + 6 + (3 * j)), "%02x ", blah);
      }
    sprintf(pOutBuf + 6 + 48, "\r\n");  
    clicharSendOutputBuffer(pOutBuf, bufLen);
    bytesRemain -= lineLen;
    }

}