libarchive: move bbunpack constants to bb_archive.h
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
parent
99ac1759dd
commit
d6f0f03b68
@ -21,19 +21,6 @@
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#include "libbb.h"
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#include "bb_archive.h"
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/* Note: must be kept in sync with archival/lzop.c */
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enum {
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OPT_STDOUT = 1 << 0,
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OPT_FORCE = 1 << 1,
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/* only some decompressors: */
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OPT_KEEP = 1 << 2,
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OPT_VERBOSE = 1 << 3,
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OPT_QUIET = 1 << 4,
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OPT_DECOMPRESS = 1 << 5,
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OPT_TEST = 1 << 6,
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SEAMLESS_MAGIC = (1 << 31) * ENABLE_ZCAT * SEAMLESS_COMPRESSION,
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};
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static
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int open_to_or_warn(int to_fd, const char *filename, int flags, int mode)
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{
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@ -72,7 +59,7 @@ int FAST_FUNC bbunpack(char **argv,
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/* Open src */
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if (filename) {
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if (!(option_mask32 & SEAMLESS_MAGIC)) {
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if (!(option_mask32 & BBUNPK_SEAMLESS_MAGIC)) {
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if (stat(filename, &stat_buf) != 0) {
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err_name:
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bb_simple_perror_msg(filename);
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@ -91,15 +78,15 @@ int FAST_FUNC bbunpack(char **argv,
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xmove_fd(fd, STDIN_FILENO);
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}
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} else
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if (option_mask32 & SEAMLESS_MAGIC) {
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if (option_mask32 & BBUNPK_SEAMLESS_MAGIC) {
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/* "clever zcat" on stdin */
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if (setup_unzip_on_fd(STDIN_FILENO, /*fail_if_not_compressed*/ 1))
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goto err;
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}
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/* Special cases: test, stdout */
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if (option_mask32 & (OPT_STDOUT|OPT_TEST)) {
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if (option_mask32 & OPT_TEST)
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if (option_mask32 & (BBUNPK_OPT_STDOUT|BBUNPK_OPT_TEST)) {
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if (option_mask32 & BBUNPK_OPT_TEST)
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if (open_to_or_warn(STDOUT_FILENO, bb_dev_null, O_WRONLY, 0))
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xfunc_die();
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filename = NULL;
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@ -114,7 +101,7 @@ int FAST_FUNC bbunpack(char **argv,
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}
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/* -f: overwrite existing output files */
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if (option_mask32 & OPT_FORCE) {
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if (option_mask32 & BBUNPK_OPT_FORCE) {
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unlink(new_name);
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}
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@ -126,12 +113,12 @@ int FAST_FUNC bbunpack(char **argv,
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}
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/* Check that the input is sane */
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if (!(option_mask32 & OPT_FORCE) && isatty(STDIN_FILENO)) {
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if (!(option_mask32 & BBUNPK_OPT_FORCE) && isatty(STDIN_FILENO)) {
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bb_error_msg_and_die("compressed data not read from terminal, "
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"use -f to force it");
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}
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if (!(option_mask32 & SEAMLESS_MAGIC)) {
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if (!(option_mask32 & BBUNPK_SEAMLESS_MAGIC)) {
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init_transformer_state(&xstate);
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/*xstate.signature_skipped = 0; - already is */
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/*xstate.src_fd = STDIN_FILENO; - already is */
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@ -145,7 +132,7 @@ int FAST_FUNC bbunpack(char **argv,
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xfunc_die();
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}
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if (!(option_mask32 & OPT_STDOUT))
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if (!(option_mask32 & BBUNPK_OPT_STDOUT))
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xclose(STDOUT_FILENO); /* with error check! */
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if (filename) {
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@ -176,7 +163,7 @@ int FAST_FUNC bbunpack(char **argv,
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}
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/* Extreme bloat for gunzip compat */
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/* Some users do want this info... */
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if (ENABLE_DESKTOP && (option_mask32 & OPT_VERBOSE)) {
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if (ENABLE_DESKTOP && (option_mask32 & BBUNPK_OPT_VERBOSE)) {
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unsigned percent = status
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? ((uoff_t)stat_buf.st_size * 100u / (unsigned long long)status)
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: 0;
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@ -188,7 +175,7 @@ int FAST_FUNC bbunpack(char **argv,
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}
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/* Delete _source_ file */
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del = filename;
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if (option_mask32 & OPT_KEEP) /* ... unless -k */
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if (option_mask32 & BBUNPK_OPT_KEEP) /* ... unless -k */
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del = NULL;
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}
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if (del)
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@ -199,7 +186,7 @@ int FAST_FUNC bbunpack(char **argv,
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}
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} while (*argv && *++argv);
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if (option_mask32 & OPT_STDOUT)
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if (option_mask32 & BBUNPK_OPT_STDOUT)
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xclose(STDOUT_FILENO); /* with error check! */
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return exitcode;
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@ -389,9 +376,9 @@ int gunzip_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int gunzip_main(int argc UNUSED_PARAM, char **argv)
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{
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#if ENABLE_FEATURE_GUNZIP_LONG_OPTIONS
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getopt32long(argv, "cfkvqdtn", gunzip_longopts);
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getopt32long(argv, BBUNPK_OPTSTR "dtn", gunzip_longopts);
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#else
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getopt32(argv, "cfkvqdtn");
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getopt32(argv, BBUNPK_OPTSTR "dtn");
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#endif
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argv += optind;
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@ -400,7 +387,7 @@ int gunzip_main(int argc UNUSED_PARAM, char **argv)
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* But if seamless magic is enabled, then we are much more clever.
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*/
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if (ENABLE_ZCAT && (!ENABLE_GUNZIP || applet_name[1] == 'c'))
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option_mask32 |= OPT_STDOUT | SEAMLESS_MAGIC;
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option_mask32 |= BBUNPK_OPT_STDOUT | BBUNPK_SEAMLESS_MAGIC;
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return bbunpack(argv, unpack_gz_stream, make_new_name_gunzip, /*unused:*/ NULL);
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}
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@ -453,10 +440,10 @@ int gunzip_main(int argc UNUSED_PARAM, char **argv)
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int bunzip2_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int bunzip2_main(int argc UNUSED_PARAM, char **argv)
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{
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getopt32(argv, "cfkvqdt");
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getopt32(argv, BBUNPK_OPTSTR "dt");
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argv += optind;
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if (ENABLE_BZCAT && (!ENABLE_BUNZIP2 || applet_name[2] == 'c')) /* bzcat */
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option_mask32 |= OPT_STDOUT;
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option_mask32 |= BBUNPK_OPT_STDOUT;
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return bbunpack(argv, unpack_bz2_stream, make_new_name_generic, "bz2");
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}
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@ -526,15 +513,15 @@ int bunzip2_main(int argc UNUSED_PARAM, char **argv)
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int unlzma_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int unlzma_main(int argc UNUSED_PARAM, char **argv)
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{
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IF_LZMA(int opts =) getopt32(argv, "cfkvqdt");
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IF_LZMA(int opts =) getopt32(argv, BBUNPK_OPTSTR "dt");
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# if ENABLE_LZMA
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/* lzma without -d or -t? */
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if (applet_name[2] == 'm' && !(opts & (OPT_DECOMPRESS|OPT_TEST)))
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if (applet_name[2] == 'm' && !(opts & (BBUNPK_OPT_DECOMPRESS|BBUNPK_OPT_TEST)))
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bb_show_usage();
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# endif
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/* lzcat? */
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if (ENABLE_LZCAT && applet_name[2] == 'c')
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option_mask32 |= OPT_STDOUT;
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option_mask32 |= BBUNPK_OPT_STDOUT;
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argv += optind;
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return bbunpack(argv, unpack_lzma_stream, make_new_name_generic, "lzma");
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@ -594,15 +581,15 @@ int unlzma_main(int argc UNUSED_PARAM, char **argv)
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int unxz_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int unxz_main(int argc UNUSED_PARAM, char **argv)
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{
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IF_XZ(int opts =) getopt32(argv, "cfkvqdt");
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IF_XZ(int opts =) getopt32(argv, BBUNPK_OPTSTR "dt");
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# if ENABLE_XZ
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/* xz without -d or -t? */
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if (applet_name[2] == '\0' && !(opts & (OPT_DECOMPRESS|OPT_TEST)))
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if (applet_name[2] == '\0' && !(opts & (BBUNPK_OPT_DECOMPRESS|BBUNPK_OPT_TEST)))
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bb_show_usage();
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# endif
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/* xzcat? */
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if (ENABLE_XZCAT && applet_name[2] == 'c')
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option_mask32 |= OPT_STDOUT;
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option_mask32 |= BBUNPK_OPT_STDOUT;
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argv += optind;
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return bbunpack(argv, unpack_xz_stream, make_new_name_generic, "xz");
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@ -151,7 +151,8 @@ IF_DESKTOP(long long) int FAST_FUNC compressStream(transformer_state_t *xstate U
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iobuf = xmalloc(2 * IOBUF_SIZE);
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opt = option_mask32 >> (sizeof("cfkvq" IF_FEATURE_BZIP2_DECOMPRESS("dt") "zs") - 1);
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opt = option_mask32 >> (BBUNPK_OPTSTRLEN IF_FEATURE_BZIP2_DECOMPRESS(+ 2) + 2);
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/* skipped BBUNPK_OPTSTR, "dt" and "zs" bits */
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opt |= 0x100; /* if nothing else, assume -9 */
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level = 0;
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for (;;) {
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@ -205,17 +206,17 @@ int bzip2_main(int argc UNUSED_PARAM, char **argv)
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*/
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opt = getopt32(argv, "^"
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/* Must match bbunzip's constants OPT_STDOUT, OPT_FORCE! */
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"cfkvq" IF_FEATURE_BZIP2_DECOMPRESS("dt") "zs123456789"
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/* Must match BBUNPK_foo constants! */
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BBUNPK_OPTSTR IF_FEATURE_BZIP2_DECOMPRESS("dt") "zs123456789"
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"\0" "s2" /* -s means -2 (compatibility) */
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);
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#if ENABLE_FEATURE_BZIP2_DECOMPRESS /* bunzip2_main may not be visible... */
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if (opt & (3 << 5)) /* -d and/or -t */
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if (opt & (BBUNPK_OPT_DECOMPRESS|BBUNPK_OPT_TEST)) /* -d and/or -t */
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return bunzip2_main(argc, argv);
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#else
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/* clear "decompress" and "test" bits (or bbunpack() can get confused) */
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/* in !BZIP2_DECOMPRESS config, these bits are -zs and are unused */
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option_mask32 = opt & ~(3 << 5);
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option_mask32 = opt & ~(BBUNPK_OPT_DECOMPRESS|BBUNPK_OPT_TEST);
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#endif
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argv += optind;
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@ -2211,16 +2211,16 @@ int gzip_main(int argc UNUSED_PARAM, char **argv)
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/* Must match bbunzip's constants OPT_STDOUT, OPT_FORCE! */
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#if ENABLE_FEATURE_GZIP_LONG_OPTIONS
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opt = getopt32long(argv, "cfkv" IF_FEATURE_GZIP_DECOMPRESS("dt") "qn123456789", gzip_longopts);
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opt = getopt32long(argv, BBUNPK_OPTSTR IF_FEATURE_GZIP_DECOMPRESS("dt") "n123456789", gzip_longopts);
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#else
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opt = getopt32(argv, "cfkv" IF_FEATURE_GZIP_DECOMPRESS("dt") "qn123456789");
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opt = getopt32(argv, BBUNPK_OPTSTR IF_FEATURE_GZIP_DECOMPRESS("dt") "n123456789");
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#endif
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#if ENABLE_FEATURE_GZIP_DECOMPRESS /* gunzip_main may not be visible... */
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if (opt & 0x30) // -d and/or -t
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if (opt & (BBUNPK_OPT_DECOMPRESS|BBUNPK_OPT_TEST)) /* -d and/or -t */
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return gunzip_main(argc, argv);
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#endif
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#if ENABLE_FEATURE_GZIP_LEVELS
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opt >>= ENABLE_FEATURE_GZIP_DECOMPRESS ? 8 : 6; /* drop cfkv[dt]qn bits */
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opt >>= (BBUNPK_OPTSTRLEN IF_FEATURE_GZIP_DECOMPRESS(+ 2) + 1); /* drop cfkvq[dt]n bits */
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if (opt == 0)
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opt = 1 << 6; /* default: 6 */
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opt = ffs(opt >> 4); /* Maps -1..-4 to [0], -5 to [1] ... -9 to [5] */
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@ -2229,7 +2229,7 @@ int gzip_main(int argc UNUSED_PARAM, char **argv)
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max_lazy_match = gzip_level_config[opt].lazy2 * 2;
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nice_match = gzip_level_config[opt].nice2 * 2;
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#endif
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option_mask32 &= 0xf; /* retain only -cfkv */
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option_mask32 &= BBUNPK_OPTSTRMASK; /* retain only -cfkvq */
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/* Allocate all global buffers (for DYN_ALLOC option) */
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ALLOC(uch, G1.l_buf, INBUFSIZ);
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@ -250,6 +250,21 @@ int bbunpack(char **argv,
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char* FAST_FUNC (*make_new_name)(char *filename, const char *expected_ext),
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const char *expected_ext
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) FAST_FUNC;
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#define BBUNPK_OPTSTR "cfkvq"
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#define BBUNPK_OPTSTRLEN 5
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#define BBUNPK_OPTSTRMASK ((1 << BBUNPK_OPTSTRLEN) - 1)
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enum {
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BBUNPK_OPT_STDOUT = 1 << 0,
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BBUNPK_OPT_FORCE = 1 << 1,
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/* only some decompressors: */
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BBUNPK_OPT_KEEP = 1 << 2,
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BBUNPK_OPT_VERBOSE = 1 << 3,
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BBUNPK_OPT_QUIET = 1 << 4,
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/* not included in BBUNPK_OPTSTR: */
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BBUNPK_OPT_DECOMPRESS = 1 << 5,
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BBUNPK_OPT_TEST = 1 << 6,
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BBUNPK_SEAMLESS_MAGIC = (1 << 31) * ENABLE_ZCAT * SEAMLESS_COMPRESSION,
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};
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void check_errors_in_children(int signo);
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#if BB_MMU
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