65 lines
1.3 KiB
C
65 lines
1.3 KiB
C
/* by qkumba */
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#include <fcntl.h>
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//#include <io.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#ifndef O_BINARY
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#define O_BINARY 0
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#define O_TEXT 0
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#endif
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static unsigned char decoder[] = "\"******GRASCDEFPOP!i\\DEL0GRRETURN}i\\F0jjjjjjjF0jFORLOGASCsONERR0::=VALpRNDlo";
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int main(int argc, char **argv) {
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int i, l, j, b2, b6;
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unsigned char b[150];
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unsigned char bb2[150];
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unsigned char bb6[150];
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char call[32];
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memset(b, 0, sizeof(b));
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i = open(argv[1], O_RDONLY | O_BINARY);
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l = read(i, b, sizeof(b));
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close(i);
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j = 0;
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b2 = 0;
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b6 = sizeof(bb6);
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do
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{
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unsigned char c;
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if (!(j % 3))
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{
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c = ((((b[j + 0] >> 6) & 2) + (b[j + 0] & 1)) << 0)
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+ ((((b[j + 1] >> 6) & 2) + (b[j + 1] & 1)) << 2)
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+ ((((b[j + 2] >> 6) & 2) + (b[j + 2] & 1)) << 4)
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+ 0x23;
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bb2[b2++] = c + (int) !j;
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}
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c = ((b[j] >> 1) & 0x3f) + 0x23 + (int) !(j % 3);
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bb6[--b6] = c;
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}
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while (++j < l);
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sprintf(call, "0CALL%d\"", 2049+10+b2+6+(int)sizeof(bb6)-b6+1);
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i = open("out", O_WRONLY | O_BINARY | O_CREAT | O_TRUNC, 0666);
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write(i, call, strlen(call));
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write(i, bb2, b2);
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write(i, "\r\n1\"", sizeof("\r\n1\"")-1);
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write(i, bb6 + b6, sizeof(bb6) - b6);
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write(i, decoder, sizeof(decoder)-1);
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write(i,"\n",1);
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close(i);
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return 0;
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}
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