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| − | #include <time.h>
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| − | #include "lzw.h"
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| − | /********************************************************************
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| − | **
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| − | ** This program gets a file name from the command line. It compresses the
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| − | ** file, placing its output in a file named test.lzw. It then expands
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| − | ** test.lzw into test.out. Test.out should then be an exact duplicate of
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| − | ** the input file.
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| − | **
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| − | *************************************************************************/
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| − | main(int argc, char *argv[])
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| − | {
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| − | clock_t timer;
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| − | CLZWCompressFile lzw;
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| − | /*
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| − | ** Get the file name, open it up, and open up the lzw output file.
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| − | */
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| − | if (argc==1)
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| − | {
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| − | printf("Input file name to compress?\n");
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| − | return 0;
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| − | }
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| − | printf("testing %s...\n", argv[1]);
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| − | /*
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| − | ** Compress the file.
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| − | */
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| − | timer = clock();
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| − | int crunch = lzw.Compress(argv[1], "test.lzw");
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| − | timer = clock() - timer; //CLOCKS_PER_SEC
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| − | printf("compress time=%d ms, encoding=%d, size=%u", timer, lzw.get_bits(), crunch);
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| − | int filesize = lzw.u_io;
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| − | printf(" (ratio=%d%%)\n", filesize ? (filesize-crunch)*100/filesize : 0);
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| − | if(lzw.AnyIOErrors())
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| − | printf("***I/O ERROR***\n");
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| − | /*
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| − | ** Expand the file.
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| − | */
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| − | timer = clock();
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| − | int orig = lzw.Expand("test.lzw", "test.out");
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| − | timer = clock() - timer; //CLOCKS_PER_SEC
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| − | printf("expand time=%d ms, encoding=%d\n", timer, lzw.get_bits());
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| − | if(lzw.AnyIOErrors())
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| − | printf("***I/O ERROR***\n");
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| − | ATLASSERT(filesize == orig); // did we mangle the file?
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| − | return 0;
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| − | }
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