1// +build ignore
2
3/*
4Redistribution and use in source and binary forms, with or without
5modification, are permitted provided that the following conditions are met:
6
7 * Redistributions of source code must retain the above copyright
8 notice, this list of conditions and the following disclaimer.
9
10 * Redistributions in binary form must reproduce the above copyright
11 notice, this list of conditions and the following disclaimer in the
12 documentation and/or other materials provided with the distribution.
13
14 * Neither the name of "The Computer Language Benchmarks Game" nor the
15 name of "The Computer Language Shootout Benchmarks" nor the names of
16 its contributors may be used to endorse or promote products derived
17 from this software without specific prior written permission.
18
19THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
23LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29POSSIBILITY OF SUCH DAMAGE.
30*/
31
32/*
33 * The Computer Language Benchmarks Game
34 * http://shootout.alioth.debian.org
35 *
36 * contributed by Bob W
37 */
38
39#include <stdio.h>
40#include <stdlib.h>
41
42#define JBFSIZE 82 // line input buffer size
43#define QBFSIZE 5200 // output buffer initial size
44#define Z16 "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
45#define V32 "\0TVGH\0\0CD\0\0M\0KN\0\0\0YSA\0BW\0R\0\0\0\0\0\0"
46#define VALL Z16 Z16 Z16 Z16 V32 V32 Z16 Z16 Z16 Z16 Z16 Z16 Z16 Z16
47
48int errex(char *s, int n) { // error message+value, return 1
49 fprintf(stderr,"\n*** Error: %s [%d]!\n", s, n);
50 return 1;
51}
52
53int main () { // ***** main *****
54 char *pj, *pq, *pr; // buffer pointers: inp,out,/out
55 char *jjj = malloc(JBFSIZE); // allocate input line buffer
56 char *qqq = malloc(QBFSIZE); // output buffer (dyn. size)
57 char *pqstop = qqq+QBFSIZE; // end-of-buffer pointer
58 char xtab[256] = VALL; // char conversion table
59
60 if (!jjj || !qqq)
61 return errex("Buffer allocation", !jjj + !qqq);
62 pj = fgets(jjj,JBFSIZE,stdin); // fetch 1st line
63 if (!pj)
64 return errex("No input data",0);
65 if (*jjj != '>')
66 return errex("1st char not '>'", 0);
67
68 while (pj) { // MAIN LOOP: process data
69 fputs(jjj, stdout); // output ID line
70
71 for (pq=qqq+1, pr=pqstop; ; pq++) { // LOOP: fill output buffer
72 pj = fgets(jjj, JBFSIZE, stdin); // get line from stdin
73 if (!pj || (*jjj=='>')) break; // EOF or new ID line
74 if (pr <= (pq+61)) { // need to resize buffer
75 char *newstop = pqstop + 12777888;
76 char *newptr = realloc(qqq, newstop-qqq);
77 if (!newptr)
78 return errex("Out of memory", 0);
79 if (newptr != qqq) { // new base: adj. pointers
80 size_t x = newptr-qqq; // offset for pointer update
81 pq+=x; pr+=x; qqq+=x;
82 newstop+=x; pqstop+=x;
83 }
84 pr = __builtin_memmove(newstop-(pqstop-pr), pr, pqstop-pr);
85 pqstop = newstop; // buffer resize complete
86 }
87 while (*pj) { // LOOP: conv. & revert line
88 char c = xtab[(unsigned char)(*pj++)];
89 if (c) // conversion valid
90 *(--pr) = c;
91 }
92 }
93
94 for (pq = qqq; pr<pqstop; ) { // LOOP: format output
95 size_t x = (pqstop-pr)<60 ? pqstop-pr : 60;
96 __builtin_memmove(pq,pr,x); // move line to free space
97 pr+=x; pq+=x; *(pq++) = 0xA; // adjust pointers, add LF
98 }
99 fwrite(qqq, 1, pq-qqq, stdout); // output converted data
100 }
101 return 0;
102}
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