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https://github.com/cuberite/libdeflate.git
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bf50c64e86
"scripts" is a more descriptive name than "tools", which sounds too similar to "programs".
41 lines
921 B
C
41 lines
921 B
C
#include <assert.h>
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#include <libdeflate.h>
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#include <string.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <sys/stat.h>
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int main(int argc, char **argv)
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{
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struct libdeflate_decompressor *d;
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struct libdeflate_compressor *c;
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int ret;
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int fd = open(argv[1], O_RDONLY);
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struct stat stbuf;
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assert(fd >= 0);
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ret = fstat(fd, &stbuf);
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assert(!ret);
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char in[stbuf.st_size];
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ret = read(fd, in, sizeof in);
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assert(ret == sizeof in);
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c = libdeflate_alloc_compressor(6);
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d = libdeflate_alloc_decompressor();
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char out[sizeof(in)];
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char checkarray[sizeof(in)];
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size_t csize = libdeflate_deflate_compress(c, in,sizeof in, out, sizeof out);
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if (csize) {
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enum libdeflate_result res;
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res = libdeflate_deflate_decompress(d, out, csize, checkarray, sizeof in, NULL);
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assert(!res);
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assert(!memcmp(in, checkarray, sizeof in));
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}
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libdeflate_free_compressor(c);
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libdeflate_free_decompressor(d);
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return 0;
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}
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