security-tools/fixgz.cpp at master · bl4de/security-tools · GitHub

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/* fixgz attempts to fix a binary file transferred in ascii mode by

* removing each extra CR when it followed by LF.

* usage: fixgz bad.gz fixed.gz

* This software is provided 'as-is', without any express or implied

* warranty. In no event will the author be held liable for any damages

* arising from the use of this software.

* Permission is granted to anyone to use this software for any purpose,

* including commercial applications, and to alter it and redistribute it

* freely.

#include <stdio.h>

#include <cstdlib>

int main(int argc, char* argv[])

{

int c1, c2; /* input bytes */

FILE* in; /* corrupted input file */

FILE* out; /* fixed output file */

if (argc <= 2) {

fprintf(stderr, "usage: fixgz bad.gz fixed.gz\n");

exit(1);

}

in = fopen(argv[1], "rb");

if (in == NULL) {

fprintf(stderr, "fixgz: cannot open %s\n", argv[1]);

exit(1);

}

out = fopen(argv[2], "wb");

if (in == NULL) {

fprintf(stderr, "fixgz: cannot create %s\n", argv[2]);

exit(1);

}

c1 = fgetc(in);

while ((c2 = fgetc(in)) != EOF) {

if (c1 != '\r' || c2 != '\n') {

fputc(c1, out);

}

c1 = c2;

}

if (c1 != EOF) {

fputc(c1, out);

}

exit(0);

return 0; /* avoid warning */

}

security-tools/fixgz.cpp at master · bl4de/security-tools · GitHub

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