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Stuf
This commit is contained in:
Eric Andersen
parent
d73dc5b073
commit
c296b54827
@ -11,7 +11,12 @@
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#error you need zcat to have gzip support!
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#endif
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static const char gzip_usage[] = "gzip\nignores all command line arguments\ncompress stdin to stdout with -9 compression\n";
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static const char gzip_usage[] =
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"gzip [OPTION]... [FILE]...\n\n"
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"Compress FILEs with maximum compression.\n\n"
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"Options:\n"
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"\t-c\tWrite output on standard output\n";
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/* gzip.h -- common declarations for all gzip modules
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* Copyright (C) 1992-1993 Jean-loup Gailly.
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@ -210,7 +215,6 @@ extern int exit_code; /* program exit code */
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extern int verbose; /* be verbose (-v) */
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extern int quiet; /* be quiet (-q) */
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extern int test; /* check .z file integrity */
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extern int to_stdout; /* output to stdout (-c) */
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extern int save_orig_name; /* set if original name must be saved */
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#define get_byte() (inptr < insize ? inbuf[inptr++] : fill_inbuf(0))
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@ -1726,8 +1730,8 @@ DECLARE(uch, window, 2L*WSIZE);
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/* local variables */
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int ascii = 0; /* convert end-of-lines to local OS conventions */
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int to_stdout = 0; /* output to stdout (-c) */
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int decompress = 0; /* decompress (-d) */
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int tostdout = 0; /* uncompress to stdout (-c) */
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int no_name = -1; /* don't save or restore the original file name */
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int no_time = -1; /* don't save or restore the original file time */
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int foreground; /* set if program run in foreground */
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@ -1767,8 +1771,22 @@ static int (*work) OF((int infile, int outfile)) = zip; /* function to call */
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// int main (argc, argv)
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// int argc;
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// char **argv;
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int gzip_main(int argc, char * * argv)
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int gzip_main(int argc, char ** argv)
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{
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/* Parse any options */
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while (--argc > 0 && **(++argv) == '-') {
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while (*(++(*argv))) {
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switch (**argv) {
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case 'c':
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tostdout = 1;
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break;
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default:
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usage(gzip_usage);
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}
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}
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}
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foreground = signal(SIGINT, SIG_IGN) != SIG_IGN;
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if (foreground) {
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(void) signal (SIGINT, (sig_type)abort_gzip);
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@ -1787,8 +1805,6 @@ int gzip_main(int argc, char * * argv)
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strncpy(z_suffix, Z_SUFFIX, sizeof(z_suffix)-1);
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z_len = strlen(z_suffix);
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to_stdout = 1;
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/* Allocate all global buffers (for DYN_ALLOC option) */
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ALLOC(uch, inbuf, INBUFSIZ +INBUF_EXTRA);
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ALLOC(uch, outbuf, OUTBUFSIZ+OUTBUF_EXTRA);
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@ -1802,7 +1818,7 @@ int gzip_main(int argc, char * * argv)
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#endif
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/* And get to work */
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treat_stdin();
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treat_stdin();
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do_exit(exit_code);
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return exit_code; /* just to avoid lint warning */
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}
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@ -1812,7 +1828,7 @@ int gzip_main(int argc, char * * argv)
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*/
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local void treat_stdin()
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{
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SET_BINARY_MODE(fileno(stdout));
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SET_BINARY_MODE(fileno(stdout));
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strcpy(ifname, "stdin");
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strcpy(ofname, "stdout");
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@ -1822,12 +1838,11 @@ local void treat_stdin()
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ifile_size = -1L; /* convention for unknown size */
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clear_bufs(); /* clear input and output buffers */
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to_stdout = 1;
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part_nb = 0;
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/* Actually do the compression/decompression. Loop over zipped members.
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*/
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if ((*work)(fileno(stdin), fileno(stdout)) != OK) return;
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if ((*work)(fileno(stdin), fileno(stdout)) != OK) return;
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}
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/* ========================================================================
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@ -2941,8 +2956,6 @@ local void set_file_type()
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extern int errno;
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#endif
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extern ulg crc_32_tab[]; /* crc table, defined below */
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/* ===========================================================================
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* Copy input to output unchanged: zcat == cat with --force.
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* IN assertion: insize bytes have already been read in inbuf.
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37
gzip.c
37
gzip.c
@ -11,7 +11,12 @@
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#error you need zcat to have gzip support!
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#endif
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static const char gzip_usage[] = "gzip\nignores all command line arguments\ncompress stdin to stdout with -9 compression\n";
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static const char gzip_usage[] =
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"gzip [OPTION]... [FILE]...\n\n"
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"Compress FILEs with maximum compression.\n\n"
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"Options:\n"
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"\t-c\tWrite output on standard output\n";
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/* gzip.h -- common declarations for all gzip modules
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* Copyright (C) 1992-1993 Jean-loup Gailly.
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@ -210,7 +215,6 @@ extern int exit_code; /* program exit code */
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extern int verbose; /* be verbose (-v) */
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extern int quiet; /* be quiet (-q) */
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extern int test; /* check .z file integrity */
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extern int to_stdout; /* output to stdout (-c) */
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extern int save_orig_name; /* set if original name must be saved */
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#define get_byte() (inptr < insize ? inbuf[inptr++] : fill_inbuf(0))
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@ -1726,8 +1730,8 @@ DECLARE(uch, window, 2L*WSIZE);
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/* local variables */
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int ascii = 0; /* convert end-of-lines to local OS conventions */
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int to_stdout = 0; /* output to stdout (-c) */
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int decompress = 0; /* decompress (-d) */
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int tostdout = 0; /* uncompress to stdout (-c) */
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int no_name = -1; /* don't save or restore the original file name */
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int no_time = -1; /* don't save or restore the original file time */
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int foreground; /* set if program run in foreground */
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@ -1767,8 +1771,22 @@ static int (*work) OF((int infile, int outfile)) = zip; /* function to call */
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// int main (argc, argv)
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// int argc;
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// char **argv;
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int gzip_main(int argc, char * * argv)
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int gzip_main(int argc, char ** argv)
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{
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/* Parse any options */
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while (--argc > 0 && **(++argv) == '-') {
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while (*(++(*argv))) {
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switch (**argv) {
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case 'c':
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tostdout = 1;
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break;
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default:
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usage(gzip_usage);
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}
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}
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}
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foreground = signal(SIGINT, SIG_IGN) != SIG_IGN;
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if (foreground) {
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(void) signal (SIGINT, (sig_type)abort_gzip);
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@ -1787,8 +1805,6 @@ int gzip_main(int argc, char * * argv)
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strncpy(z_suffix, Z_SUFFIX, sizeof(z_suffix)-1);
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z_len = strlen(z_suffix);
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to_stdout = 1;
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/* Allocate all global buffers (for DYN_ALLOC option) */
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ALLOC(uch, inbuf, INBUFSIZ +INBUF_EXTRA);
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ALLOC(uch, outbuf, OUTBUFSIZ+OUTBUF_EXTRA);
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@ -1802,7 +1818,7 @@ int gzip_main(int argc, char * * argv)
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#endif
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/* And get to work */
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treat_stdin();
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treat_stdin();
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do_exit(exit_code);
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return exit_code; /* just to avoid lint warning */
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}
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@ -1812,7 +1828,7 @@ int gzip_main(int argc, char * * argv)
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*/
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local void treat_stdin()
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{
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SET_BINARY_MODE(fileno(stdout));
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SET_BINARY_MODE(fileno(stdout));
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strcpy(ifname, "stdin");
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strcpy(ofname, "stdout");
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@ -1822,12 +1838,11 @@ local void treat_stdin()
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ifile_size = -1L; /* convention for unknown size */
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clear_bufs(); /* clear input and output buffers */
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to_stdout = 1;
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part_nb = 0;
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/* Actually do the compression/decompression. Loop over zipped members.
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*/
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if ((*work)(fileno(stdin), fileno(stdout)) != OK) return;
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if ((*work)(fileno(stdin), fileno(stdout)) != OK) return;
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}
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/* ========================================================================
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@ -2941,8 +2956,6 @@ local void set_file_type()
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extern int errno;
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#endif
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extern ulg crc_32_tab[]; /* crc table, defined below */
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/* ===========================================================================
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* Copy input to output unchanged: zcat == cat with --force.
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* IN assertion: insize bytes have already been read in inbuf.
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4
zcat.c
4
zcat.c
@ -1025,7 +1025,7 @@ int unzip(in, out)
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extern int errno;
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#endif
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const ulg crc_32_tab[]; /* crc table, defined below */
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static const ulg crc_32_tab[]; /* crc table, defined below */
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/* ===========================================================================
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* Run a set of bytes through the crc shift register. If s is a NULL
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@ -1239,7 +1239,7 @@ voidp xmalloc (size)
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/* ========================================================================
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* Table of CRC-32's of all single-byte values (made by makecrc.c)
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*/
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const ulg crc_32_tab[] = {
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static const ulg crc_32_tab[] = {
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0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L,
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0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L,
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0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L,
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