47 lines
760 B
C
47 lines
760 B
C
#include <stdio.h>
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int main(int argc, char **argv) {
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int i = 0;
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FILE *in, *out;
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unsigned char ch, last;
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if(argc != 3) {
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fprintf(stderr, "Usage:\r\n\t%s <input> <output>\r\n", argv[0]);
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return -1;
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}
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in = fopen(argv[1], "rb");
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if(!in) {
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fprintf(stderr, "Unable to open file '%s' for input.\r\n", argv[1]);
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return -1;
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}
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out = fopen(argv[2], "wb");
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if(!out) {
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fprintf(stderr, "Unable to open file '%s' for output.\r\n", argv[2]);
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fclose(in);
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return -1;
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}
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while(i < 2048) {
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ch = fgetc(in);
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if(ch & 0x80) {
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ch = (ch & 0x7f) ? (ch & 0x7f) : 128;
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while(ch--) {
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fputc(last, out);
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i++;
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}
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} else {
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fputc(ch, out);
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last = ch;
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i++;
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}
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}
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fclose(in);
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fclose(out);
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return 0;
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}
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