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/*

Redistribution and use in source and binary forms, with or without

modification, are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright

    notice, this list of conditions and the following disclaimer.

    * Redistributions in binary form must reproduce the above copyright

    notice, this list of conditions and the following disclaimer in the

    documentation and/or other materials provided with the distribution.

    * Neither the name of "The Computer Language Benchmarks Game" nor the

    name of "The Computer Language Shootout Benchmarks" nor the names of

    its contributors may be used to endorse or promote products derived

    from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE

LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

POSSIBILITY OF SUCH DAMAGE.

*/

/*

 * The Computer Language Benchmarks Game

 * http://shootout.alioth.debian.org

 *

 * contributed by Bob W

 */

#include <stdio.h>

#include <stdlib.h>

#define JBFSIZE 82      // line input buffer size

#define QBFSIZE 5200     // output buffer initial size

#define Z16     "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"

#define V32     "\0TVGH\0\0CD\0\0M\0KN\0\0\0YSA\0BW\0R\0\0\0\0\0\0"

#define VALL    Z16 Z16 Z16 Z16 V32 V32 Z16 Z16 Z16 Z16 Z16 Z16 Z16 Z16

int errex(char *s, int n) {      // error message+value, return 1

  fprintf(stderr,"\n*** Error: %s [%d]!\n", s, n);

  return 1;

}

int main () {                    // ***** main *****

  char *pj, *pq, *pr;            // buffer pointers: inp,out,/out

  char *jjj = malloc(JBFSIZE);   // allocate input line buffer

  char *qqq = malloc(QBFSIZE);   // output buffer (dyn. size)

  char *pqstop = qqq+QBFSIZE;    // end-of-buffer pointer

  char xtab[256] = VALL;         // char conversion table

  if (!jjj || !qqq)

    return errex("Buffer allocation", !jjj + !qqq);

  pj = fgets(jjj,JBFSIZE,stdin);         // fetch 1st line

  if (!pj)

    return errex("No input data",0);

  if (*jjj != '>')

    return errex("1st char not '>'", 0);

  while (pj) {                           // MAIN LOOP: process data

    fputs(jjj, stdout);                  // output ID line

    for (pq=qqq+1, pr=pqstop; ; pq++) {  // LOOP: fill output buffer

      pj = fgets(jjj, JBFSIZE, stdin);   // get line from stdin

      if (!pj || (*jjj=='>'))  break;    // EOF or new ID line

      if (pr <= (pq+61)) {               // need to resize buffer

        char *newstop = pqstop + 12777888;

        char *newptr  = realloc(qqq, newstop-qqq);

        if (!newptr)

          return errex("Out of memory", 0);

        if (newptr != qqq) {             // new base: adj. pointers

          size_t x = newptr-qqq;         // offset for pointer update

          pq+=x;  pr+=x;  qqq+=x;

          newstop+=x;  pqstop+=x;

        }

        pr = __builtin_memmove(newstop-(pqstop-pr), pr, pqstop-pr);

        pqstop = newstop;                // buffer resize complete

      }

      while (*pj) {                      // LOOP: conv. & revert line

        char c = xtab[(unsigned char)(*pj++)];

        if (c)                           // conversion valid

          *(--pr) = c;

      }

    }

    for (pq = qqq; pr<pqstop; ) {        // LOOP: format output

      size_t x = (pqstop-pr)<60 ? pqstop-pr : 60;

      __builtin_memmove(pq,pr,x);        // move line to free space

      pr+=x;  pq+=x;  *(pq++) = 0xA;     // adjust pointers, add LF

    }

    fwrite(qqq, 1, pq-qqq, stdout);      // output converted data

  }

  return 0;

}