*: refactor handling of archived files. "tar f file.tar.lzma" now works too.
function old new delta unpack_Z_stream - 1229 +1229 open_zipped - 176 +176 unpack_bz2_stream_prime - 60 +60 tar_main 642 677 +35 find_main 406 418 +12 sv_main 1222 1233 +11 decode_format_string 829 837 +8 cmp_main 641 649 +8 popstring 134 140 +6 filter_accept_list_reassign 120 125 +5 parse_and_put_prompt 800 804 +4 passwd_main 1053 1049 -4 make_new_name_gunzip 119 114 -5 rpm_main 1688 1670 -18 prepare 302 283 -19 xmalloc_open_zipped_read_close 135 61 -74 uncompress 1229 - -1229 ------------------------------------------------------------------------------ (add/remove: 3/1 grow/shrink: 8/5 up/down: 1554/-1349) Total: 205 bytes
This commit is contained in:
Denis Vlasenko
parent
9b44613202
commit
e9ad84dfd4
@ -1,7 +1,7 @@
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#
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# Automatically generated make config: don't edit
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# Busybox version: 1.11.0.svn
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# Mon Apr 21 23:20:35 2008
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# Busybox version: 1.12.0.svn
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# Tue Aug 5 14:43:04 2008
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#
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CONFIG_HAVE_DOT_CONFIG=y
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@ -13,6 +13,7 @@ CONFIG_HAVE_DOT_CONFIG=y
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# General Configuration
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#
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CONFIG_DESKTOP=y
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CONFIG_FEATURE_ASSUME_UNICODE=y
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CONFIG_FEATURE_BUFFERS_USE_MALLOC=y
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# CONFIG_FEATURE_BUFFERS_GO_ON_STACK is not set
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# CONFIG_FEATURE_BUFFERS_GO_IN_BSS is not set
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@ -38,21 +39,25 @@ CONFIG_FEATURE_HAVE_RPC=y
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# Build Options
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#
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||||
# CONFIG_STATIC is not set
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# CONFIG_PIE is not set
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CONFIG_NOMMU=y
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# CONFIG_BUILD_LIBBUSYBOX is not set
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# CONFIG_FEATURE_INDIVIDUAL is not set
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# CONFIG_FEATURE_SHARED_BUSYBOX is not set
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CONFIG_LFS=y
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CONFIG_CROSS_COMPILER_PREFIX=""
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#
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# Debugging Options
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#
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# CONFIG_DEBUG is not set
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# CONFIG_DEBUG_PESSIMIZE is not set
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# CONFIG_WERROR is not set
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CONFIG_NO_DEBUG_LIB=y
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# CONFIG_DMALLOC is not set
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# CONFIG_EFENCE is not set
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CONFIG_INCLUDE_SUSv2=y
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# CONFIG_PARSE is not set
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#
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# Installation Options
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@ -86,6 +91,7 @@ CONFIG_FEATURE_VERBOSE_CP_MESSAGE=y
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CONFIG_FEATURE_COPYBUF_KB=4
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CONFIG_MONOTONIC_SYSCALL=y
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CONFIG_IOCTL_HEX2STR_ERROR=y
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CONFIG_FEATURE_HWIB=y
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#
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# Applets
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@ -94,6 +100,10 @@ CONFIG_IOCTL_HEX2STR_ERROR=y
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#
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# Archival Utilities
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#
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CONFIG_FEATURE_SEAMLESS_LZMA=y
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CONFIG_FEATURE_SEAMLESS_BZ2=y
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CONFIG_FEATURE_SEAMLESS_GZ=y
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CONFIG_FEATURE_SEAMLESS_Z=y
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CONFIG_AR=y
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CONFIG_FEATURE_AR_LONG_FILENAMES=y
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CONFIG_BUNZIP2=y
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@ -104,17 +114,11 @@ CONFIG_DPKG=y
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CONFIG_DPKG_DEB=y
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CONFIG_FEATURE_DPKG_DEB_EXTRACT_ONLY=y
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CONFIG_GUNZIP=y
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CONFIG_FEATURE_GUNZIP_UNCOMPRESS=y
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CONFIG_GZIP=y
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CONFIG_RPM2CPIO=y
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CONFIG_RPM=y
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CONFIG_FEATURE_RPM_BZ2=y
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CONFIG_TAR=y
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CONFIG_FEATURE_TAR_CREATE=y
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CONFIG_FEATURE_TAR_GZIP=y
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CONFIG_FEATURE_TAR_BZIP2=y
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CONFIG_FEATURE_TAR_LZMA=y
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CONFIG_FEATURE_TAR_COMPRESS=y
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CONFIG_FEATURE_TAR_AUTODETECT=y
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CONFIG_FEATURE_TAR_FROM=y
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CONFIG_FEATURE_TAR_OLDGNU_COMPATIBILITY=y
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@ -127,17 +131,6 @@ CONFIG_UNLZMA=y
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CONFIG_FEATURE_LZMA_FAST=y
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CONFIG_UNZIP=y
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#
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# Common options for cpio and tar
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#
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#
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# Common options for dpkg and dpkg_deb
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#
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CONFIG_FEATURE_DEB_TAR_GZ=y
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CONFIG_FEATURE_DEB_TAR_BZ2=y
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CONFIG_FEATURE_DEB_TAR_LZMA=y
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#
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# Coreutils
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#
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@ -216,6 +209,7 @@ CONFIG_SEQ=y
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CONFIG_SHA1SUM=y
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CONFIG_SLEEP=y
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CONFIG_FEATURE_FANCY_SLEEP=y
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CONFIG_FEATURE_FLOAT_SLEEP=y
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CONFIG_SORT=y
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CONFIG_FEATURE_SORT_BIG=y
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CONFIG_SPLIT=y
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@ -386,8 +380,9 @@ CONFIG_MESG=y
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# Login/Password Management Utilities
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#
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CONFIG_FEATURE_SHADOWPASSWDS=y
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CONFIG_USE_BB_SHADOW=y
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CONFIG_USE_BB_PWD_GRP=y
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CONFIG_USE_BB_SHADOW=y
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CONFIG_USE_BB_CRYPT=y
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CONFIG_ADDGROUP=y
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CONFIG_FEATURE_ADDUSER_TO_GROUP=y
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CONFIG_DELGROUP=y
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@ -424,25 +419,30 @@ CONFIG_LSATTR=y
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#
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# Linux Module Utilities
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#
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CONFIG_INSMOD=y
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CONFIG_FEATURE_INSMOD_VERSION_CHECKING=y
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CONFIG_FEATURE_INSMOD_KSYMOOPS_SYMBOLS=y
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CONFIG_FEATURE_INSMOD_LOADINKMEM=y
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CONFIG_FEATURE_INSMOD_LOAD_MAP=y
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CONFIG_FEATURE_INSMOD_LOAD_MAP_FULL=y
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CONFIG_RMMOD=y
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CONFIG_LSMOD=y
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CONFIG_FEATURE_LSMOD_PRETTY_2_6_OUTPUT=y
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CONFIG_MODPROBE=y
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CONFIG_FEATURE_MODPROBE_MULTIPLE_OPTIONS=y
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CONFIG_FEATURE_MODPROBE_FANCY_ALIAS=y
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||||
|
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#
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# Options common to multiple modutils
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#
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CONFIG_FEATURE_CHECK_TAINTED_MODULE=y
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CONFIG_FEATURE_2_4_MODULES=y
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CONFIG_FEATURE_2_6_MODULES=y
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CONFIG_MODPROBE_SMALL=y
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CONFIG_FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE=y
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CONFIG_FEATURE_MODPROBE_SMALL_CHECK_ALREADY_LOADED=y
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# CONFIG_DEPMOD is not set
|
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# CONFIG_FEATURE_DEPMOD_PRUNE_FANCY is not set
|
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# CONFIG_FEATURE_DEPMOD_ALIAS is not set
|
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# CONFIG_INSMOD is not set
|
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# CONFIG_FEATURE_INSMOD_VERSION_CHECKING is not set
|
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# CONFIG_FEATURE_INSMOD_KSYMOOPS_SYMBOLS is not set
|
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# CONFIG_FEATURE_INSMOD_LOADINKMEM is not set
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# CONFIG_FEATURE_INSMOD_LOAD_MAP is not set
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# CONFIG_FEATURE_INSMOD_LOAD_MAP_FULL is not set
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# CONFIG_RMMOD is not set
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# CONFIG_LSMOD is not set
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# CONFIG_FEATURE_LSMOD_PRETTY_2_6_OUTPUT is not set
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# CONFIG_MODPROBE is not set
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# CONFIG_FEATURE_MODPROBE_MULTIPLE_OPTIONS is not set
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# CONFIG_FEATURE_MODPROBE_FANCY_ALIAS is not set
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# CONFIG_FEATURE_MODPROBE_BLACKLIST is not set
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# CONFIG_FEATURE_CHECK_TAINTED_MODULE is not set
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# CONFIG_FEATURE_2_4_MODULES is not set
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# CONFIG_FEATURE_2_6_MODULES is not set
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CONFIG_DEFAULT_MODULES_DIR="/lib/modules"
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CONFIG_DEFAULT_DEPMOD_FILE="modules.dep"
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# CONFIG_FEATURE_QUERY_MODULE_INTERFACE is not set
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#
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@ -525,6 +525,7 @@ CONFIG_RTCWAKE=y
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CONFIG_SCRIPT=y
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CONFIG_SETARCH=y
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CONFIG_SWAPONOFF=y
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CONFIG_FEATURE_SWAPON_PRI=y
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CONFIG_SWITCH_ROOT=y
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CONFIG_UMOUNT=y
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CONFIG_FEATURE_UMOUNT_ALL=y
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@ -562,7 +563,10 @@ CONFIG_DC=y
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CONFIG_EJECT=y
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CONFIG_FEATURE_EJECT_SCSI=y
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CONFIG_FBSPLASH=y
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CONFIG_INOTIFYD=y
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CONFIG_LAST=y
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CONFIG_FEATURE_LAST_SMALL=y
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# CONFIG_FEATURE_LAST_FANCY is not set
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CONFIG_LESS=y
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CONFIG_FEATURE_LESS_MAXLINES=9999999
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CONFIG_FEATURE_LESS_BRACKETS=y
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@ -590,7 +594,6 @@ CONFIG_RUNLEVEL=y
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CONFIG_RX=y
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CONFIG_SETSID=y
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CONFIG_STRINGS=y
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CONFIG_SYMLINKS=y
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CONFIG_TASKSET=y
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CONFIG_FEATURE_TASKSET_FANCY=y
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CONFIG_TIME=y
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@ -675,6 +678,7 @@ CONFIG_NC_SERVER=y
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CONFIG_NC_EXTRA=y
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CONFIG_NETSTAT=y
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CONFIG_FEATURE_NETSTAT_WIDE=y
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CONFIG_FEATURE_NETSTAT_PRG=y
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CONFIG_NSLOOKUP=y
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CONFIG_PING=y
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CONFIG_PING6=y
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@ -765,6 +769,7 @@ CONFIG_FEATURE_SH_IS_NONE=y
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# CONFIG_ASH_MATH_SUPPORT_64 is not set
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# CONFIG_ASH_GETOPTS is not set
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# CONFIG_ASH_BUILTIN_ECHO is not set
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# CONFIG_ASH_BUILTIN_PRINTF is not set
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# CONFIG_ASH_BUILTIN_TEST is not set
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# CONFIG_ASH_CMDCMD is not set
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# CONFIG_ASH_MAIL is not set
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@ -778,6 +783,7 @@ CONFIG_HUSH_JOB=y
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CONFIG_HUSH_TICK=y
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CONFIG_HUSH_IF=y
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CONFIG_HUSH_LOOPS=y
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CONFIG_HUSH_CASE=y
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||||
CONFIG_LASH=y
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||||
CONFIG_MSH=y
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||||
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@ -5,6 +5,30 @@
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menu "Archival Utilities"
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config FEATURE_SEAMLESS_LZMA
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bool "Make tar, rpm, man, modprobe etc understand .lzma data"
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default n
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help
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Make tar, rpm, man, modprobe etc understand .lzma data.
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config FEATURE_SEAMLESS_BZ2
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bool "Make tar, rpm, man, modprobe etc understand .bz2 data"
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default n
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help
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||||
Make tar, rpm, man, modprobe etc understand .bz2 data.
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config FEATURE_SEAMLESS_GZ
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bool "Make tar, rpm, man, modprobe etc understand .gz data"
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default n
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help
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||||
Make tar, rpm, man, modprobe etc understand .gz data.
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config FEATURE_SEAMLESS_Z
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bool "Make tar and gunzip understand .Z data"
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default n
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help
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Make tar and gunzip understand .Z data.
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config AR
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bool "ar"
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default n
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@ -126,15 +150,6 @@ config GUNZIP
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You can use the `-t' option to test the integrity of
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an archive, without decompressing it.
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config FEATURE_GUNZIP_UNCOMPRESS
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bool "Uncompress support"
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default n
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depends on GUNZIP
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help
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||||
Enable if you want gunzip to have the ability to decompress
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archives created by the program compress (not much
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used anymore).
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config GZIP
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bool "gzip"
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default n
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@ -154,13 +169,6 @@ config RPM
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help
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Mini RPM applet - queries and extracts RPM packages.
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config FEATURE_RPM_BZ2
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bool "Enable handling of rpms with bzip2-compressed data inside"
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default n
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depends on RPM
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help
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Enable handling of rpms with bzip2-compressed data inside.
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config TAR
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bool "tar"
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default n
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||||
@ -179,42 +187,10 @@ config FEATURE_TAR_CREATE
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If you enable this option you'll be able to create
|
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tar archives using the `-c' option.
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|
||||
config FEATURE_TAR_GZIP
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bool "Enable -z option"
|
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default y
|
||||
depends on TAR
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||||
help
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||||
If you enable this option tar will be able to call gzip,
|
||||
when creating or extracting tar gziped archives.
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||||
|
||||
config FEATURE_TAR_BZIP2
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bool "Enable -j option to handle .tar.bz2 files"
|
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default n
|
||||
depends on TAR
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||||
help
|
||||
If you enable this option you'll be able to extract
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archives compressed with bzip2.
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|
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config FEATURE_TAR_LZMA
|
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bool "Enable -a option to handle .tar.lzma files"
|
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default n
|
||||
depends on TAR
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||||
help
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||||
If you enable this option you'll be able to extract
|
||||
archives compressed with lzma.
|
||||
|
||||
config FEATURE_TAR_COMPRESS
|
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bool "Enable -Z option"
|
||||
default n
|
||||
depends on TAR
|
||||
help
|
||||
If you enable this option tar will be able to call uncompress,
|
||||
when extracting .tar.Z archives.
|
||||
|
||||
config FEATURE_TAR_AUTODETECT
|
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bool "Autodetect gz/bz2 compresses tarballs"
|
||||
bool "Autodetect gz/bz2 compressed tarballs"
|
||||
default n
|
||||
depends on FEATURE_TAR_GZIP || FEATURE_TAR_BZIP2
|
||||
depends on FEATURE_SEAMLESS_Z || FEATURE_SEAMLESS_GZ || FEATURE_SEAMLESS_BZ2 || FEATURE_SEAMLESS_LZMA
|
||||
help
|
||||
With this option tar can automatically detect gzip/bzip2 compressed
|
||||
tarballs. Currently it works only on files (not pipes etc).
|
||||
@ -312,42 +288,4 @@ config UNZIP
|
||||
current directory. Use the `-d' option to extract to a
|
||||
directory of your choice.
|
||||
|
||||
comment "Common options for cpio and tar"
|
||||
depends on CPIO || TAR
|
||||
|
||||
comment "Common options for dpkg and dpkg_deb"
|
||||
depends on DPKG || DPKG_DEB
|
||||
|
||||
config FEATURE_DEB_TAR_GZ
|
||||
bool "gzip debian packages (normal)"
|
||||
default y if DPKG || DPKG_DEB
|
||||
depends on DPKG || DPKG_DEB
|
||||
help
|
||||
This is the default compression method inside the debian ar file.
|
||||
|
||||
If you want compatibility with standard .deb's you should say yes
|
||||
here.
|
||||
|
||||
config FEATURE_DEB_TAR_BZ2
|
||||
bool "bzip2 debian packages"
|
||||
default n
|
||||
depends on DPKG || DPKG_DEB
|
||||
help
|
||||
This allows dpkg and dpkg-deb to extract deb's that are compressed
|
||||
internally with bzip2 instead of gzip.
|
||||
|
||||
You only want this if you are creating your own custom debian
|
||||
packages that use an internal control.tar.bz2 or data.tar.bz2.
|
||||
|
||||
config FEATURE_DEB_TAR_LZMA
|
||||
bool "lzma debian packages"
|
||||
default n
|
||||
depends on DPKG || DPKG_DEB
|
||||
help
|
||||
This allows dpkg and dpkg-deb to extract deb's that are compressed
|
||||
internally with lzma instead of gzip.
|
||||
|
||||
You only want this if you are creating your own custom debian
|
||||
packages that use an internal control.tar.lzma or data.tar.lzma.
|
||||
|
||||
endmenu
|
||||
|
||||
@ -161,7 +161,7 @@ char* make_new_name_bunzip2(char *filename)
|
||||
static
|
||||
USE_DESKTOP(long long) int unpack_bunzip2(void)
|
||||
{
|
||||
return unpack_bz2_stream(STDIN_FILENO, STDOUT_FILENO);
|
||||
return unpack_bz2_stream_prime(STDIN_FILENO, STDOUT_FILENO);
|
||||
}
|
||||
|
||||
int bunzip2_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
|
||||
@ -218,8 +218,8 @@ char* make_new_name_gunzip(char *filename)
|
||||
|
||||
extension++;
|
||||
if (strcmp(extension, "tgz" + 1) == 0
|
||||
#if ENABLE_FEATURE_GUNZIP_UNCOMPRESS
|
||||
|| strcmp(extension, "Z") == 0
|
||||
#if ENABLE_FEATURE_SEAMLESS_Z
|
||||
|| (extension[0] == 'Z' && extension[1] == '\0')
|
||||
#endif
|
||||
) {
|
||||
extension[-1] = '\0';
|
||||
@ -244,8 +244,8 @@ USE_DESKTOP(long long) int unpack_gunzip(void)
|
||||
unsigned char magic2;
|
||||
|
||||
magic2 = xread_char(STDIN_FILENO);
|
||||
if (ENABLE_FEATURE_GUNZIP_UNCOMPRESS && magic2 == 0x9d) {
|
||||
status = uncompress(STDIN_FILENO, STDOUT_FILENO);
|
||||
if (ENABLE_FEATURE_SEAMLESS_Z && magic2 == 0x9d) {
|
||||
status = unpack_Z_stream(STDIN_FILENO, STDOUT_FILENO);
|
||||
} else if (magic2 == 0x8b) {
|
||||
status = unpack_gz_stream(STDIN_FILENO, STDOUT_FILENO);
|
||||
} else {
|
||||
@ -351,7 +351,7 @@ USE_DESKTOP(long long) int unpack_uncompress(void)
|
||||
if ((xread_char(STDIN_FILENO) != 0x1f) || (xread_char(STDIN_FILENO) != 0x9d)) {
|
||||
bb_error_msg("invalid magic");
|
||||
} else {
|
||||
status = uncompress(STDIN_FILENO, STDOUT_FILENO);
|
||||
status = unpack_Z_stream(STDIN_FILENO, STDOUT_FILENO);
|
||||
}
|
||||
return status;
|
||||
}
|
||||
|
||||
@ -1438,10 +1438,10 @@ static void init_archive_deb_control(archive_handle_t *ar_handle)
|
||||
tar_handle->src_fd = ar_handle->src_fd;
|
||||
|
||||
/* We don't care about data.tar.* or debian-binary, just control.tar.* */
|
||||
#if ENABLE_FEATURE_DEB_TAR_GZ
|
||||
#if ENABLE_FEATURE_SEAMLESS_GZ
|
||||
llist_add_to(&(ar_handle->accept), (char*)"control.tar.gz");
|
||||
#endif
|
||||
#if ENABLE_FEATURE_DEB_TAR_BZ2
|
||||
#if ENABLE_FEATURE_SEAMLESS_BZ2
|
||||
llist_add_to(&(ar_handle->accept), (char*)"control.tar.bz2");
|
||||
#endif
|
||||
|
||||
@ -1458,10 +1458,10 @@ static void init_archive_deb_data(archive_handle_t *ar_handle)
|
||||
tar_handle->src_fd = ar_handle->src_fd;
|
||||
|
||||
/* We don't care about control.tar.* or debian-binary, just data.tar.* */
|
||||
#if ENABLE_FEATURE_DEB_TAR_GZ
|
||||
#if ENABLE_FEATURE_SEAMLESS_GZ
|
||||
llist_add_to(&(ar_handle->accept), (char*)"data.tar.gz");
|
||||
#endif
|
||||
#if ENABLE_FEATURE_DEB_TAR_BZ2
|
||||
#if ENABLE_FEATURE_SEAMLESS_BZ2
|
||||
llist_add_to(&(ar_handle->accept), (char*)"data.tar.bz2");
|
||||
#endif
|
||||
|
||||
|
||||
@ -31,12 +31,12 @@ int dpkg_deb_main(int argc, char **argv)
|
||||
ar_archive->sub_archive = tar_archive;
|
||||
ar_archive->filter = filter_accept_list_reassign;
|
||||
|
||||
#if ENABLE_FEATURE_DEB_TAR_GZ
|
||||
#if ENABLE_FEATURE_SEAMLESS_GZ
|
||||
llist_add_to(&(ar_archive->accept), (char*)"data.tar.gz");
|
||||
llist_add_to(&control_tar_llist, (char*)"control.tar.gz");
|
||||
#endif
|
||||
|
||||
#if ENABLE_FEATURE_DEB_TAR_BZ2
|
||||
#if ENABLE_FEATURE_SEAMLESS_BZ2
|
||||
llist_add_to(&(ar_archive->accept), (char*)"data.tar.bz2");
|
||||
llist_add_to(&control_tar_llist, (char*)"control.tar.bz2");
|
||||
#endif
|
||||
|
||||
@ -32,36 +32,20 @@ DPKG_FILES:= \
|
||||
get_header_tar.o \
|
||||
filter_accept_list_reassign.o
|
||||
|
||||
lib-$(CONFIG_RPM) += open_transformer.o
|
||||
lib-$(CONFIG_FEATURE_TAR_BZIP2) += open_transformer.o
|
||||
lib-$(CONFIG_FEATURE_TAR_LZMA) += open_transformer.o
|
||||
lib-$(CONFIG_FEATURE_TAR_GZIP) += open_transformer.o
|
||||
lib-$(CONFIG_FEATURE_TAR_COMPRESS) += open_transformer.o
|
||||
lib-$(CONFIG_FEATURE_DEB_TAR_GZ) += open_transformer.o
|
||||
lib-$(CONFIG_FEATURE_DEB_TAR_BZ2) += open_transformer.o
|
||||
lib-$(CONFIG_FEATURE_DEB_TAR_LZMA) += open_transformer.o
|
||||
|
||||
lib-$(CONFIG_FEATURE_MODPROBE_SMALL_ZIPPED) += open_transformer.o decompress_unzip.o decompress_bunzip2.o
|
||||
|
||||
lib-$(CONFIG_AR) += get_header_ar.o unpack_ar_archive.o
|
||||
lib-$(CONFIG_BUNZIP2) += decompress_bunzip2.o
|
||||
lib-$(CONFIG_UNLZMA) += decompress_unlzma.o
|
||||
lib-$(CONFIG_CPIO) += get_header_cpio.o
|
||||
lib-$(CONFIG_DPKG) += $(DPKG_FILES)
|
||||
lib-$(CONFIG_DPKG_DEB) += $(DPKG_FILES)
|
||||
lib-$(CONFIG_FEATURE_DEB_TAR_GZ) += decompress_unzip.o get_header_tar_gz.o
|
||||
lib-$(CONFIG_FEATURE_DEB_TAR_BZ2) += decompress_bunzip2.o get_header_tar_bz2.o
|
||||
lib-$(CONFIG_FEATURE_DEB_TAR_LZMA) += decompress_unlzma.o get_header_tar_lzma.o
|
||||
lib-$(CONFIG_GUNZIP) += decompress_unzip.o
|
||||
lib-$(CONFIG_FEATURE_GUNZIP_UNCOMPRESS) += decompress_uncompress.o
|
||||
lib-$(CONFIG_RPM2CPIO) += decompress_unzip.o get_header_cpio.o
|
||||
lib-$(CONFIG_RPM) += decompress_unzip.o get_header_cpio.o
|
||||
lib-$(CONFIG_FEATURE_RPM_BZ2) += decompress_bunzip2.o
|
||||
lib-$(CONFIG_RPM) += open_transformer.o decompress_unzip.o get_header_cpio.o
|
||||
lib-$(CONFIG_TAR) += get_header_tar.o
|
||||
lib-$(CONFIG_FEATURE_TAR_BZIP2) += decompress_bunzip2.o get_header_tar_bz2.o
|
||||
lib-$(CONFIG_FEATURE_TAR_LZMA) += decompress_unlzma.o get_header_tar_lzma.o
|
||||
lib-$(CONFIG_FEATURE_TAR_GZIP) += decompress_unzip.o get_header_tar_gz.o
|
||||
lib-$(CONFIG_FEATURE_TAR_COMPRESS) += decompress_uncompress.o
|
||||
lib-$(CONFIG_UNCOMPRESS) += decompress_uncompress.o
|
||||
lib-$(CONFIG_UNZIP) += decompress_unzip.o
|
||||
lib-$(CONFIG_FEATURE_SEAMLESS_Z) += open_transformer.o decompress_uncompress.o
|
||||
lib-$(CONFIG_FEATURE_SEAMLESS_GZ) += open_transformer.o decompress_unzip.o get_header_tar_gz.o
|
||||
lib-$(CONFIG_FEATURE_SEAMLESS_BZ2) += open_transformer.o decompress_bunzip2.o get_header_tar_bz2.o
|
||||
lib-$(CONFIG_FEATURE_SEAMLESS_LZMA) += open_transformer.o decompress_unlzma.o get_header_tar_lzma.o
|
||||
lib-$(CONFIG_FEATURE_COMPRESS_USAGE) += decompress_bunzip2.o
|
||||
|
||||
@ -590,7 +590,8 @@ int FAST_FUNC start_bunzip(bunzip_data **bdp, int in_fd, const unsigned char *in
|
||||
bunzip_data *bd;
|
||||
unsigned i;
|
||||
enum {
|
||||
BZh0 = ('B' << 24) + ('Z' << 16) + ('h' << 8) + '0'
|
||||
BZh0 = ('B' << 24) + ('Z' << 16) + ('h' << 8) + '0',
|
||||
h0 = ('h' << 8) + '0',
|
||||
};
|
||||
|
||||
/* Figure out how much data to allocate */
|
||||
@ -617,12 +618,18 @@ int FAST_FUNC start_bunzip(bunzip_data **bdp, int in_fd, const unsigned char *in
|
||||
if (i) return i;
|
||||
|
||||
/* Ensure that file starts with "BZh['1'-'9']." */
|
||||
i = get_bits(bd, 32);
|
||||
if ((unsigned)(i - BZh0 - 1) >= 9) return RETVAL_NOT_BZIP_DATA;
|
||||
/* Update: now caller verifies 1st two bytes, makes .gz/.bz2
|
||||
* integration easier */
|
||||
/* was: */
|
||||
/* i = get_bits(bd, 32); */
|
||||
/* if ((unsigned)(i - BZh0 - 1) >= 9) return RETVAL_NOT_BZIP_DATA; */
|
||||
i = get_bits(bd, 16);
|
||||
if ((unsigned)(i - h0 - 1) >= 9) return RETVAL_NOT_BZIP_DATA;
|
||||
|
||||
/* Fourth byte (ascii '1'-'9') indicates block size in units of 100k of
|
||||
uncompressed data. Allocate intermediate buffer for block. */
|
||||
bd->dbufSize = 100000 * (i - BZh0);
|
||||
/* bd->dbufSize = 100000 * (i - BZh0); */
|
||||
bd->dbufSize = 100000 * (i - h0);
|
||||
|
||||
/* Cannot use xmalloc - may leak bd in NOFORK case! */
|
||||
bd->dbuf = malloc_or_warn(bd->dbufSize * sizeof(int));
|
||||
@ -682,6 +689,17 @@ unpack_bz2_stream(int src_fd, int dst_fd)
|
||||
return i ? i : USE_DESKTOP(total_written) + 0;
|
||||
}
|
||||
|
||||
USE_DESKTOP(long long) int FAST_FUNC
|
||||
unpack_bz2_stream_prime(int src_fd, int dst_fd)
|
||||
{
|
||||
unsigned char magic[2];
|
||||
xread(src_fd, magic, 2);
|
||||
if (magic[0] != 'B' || magic[1] != 'Z') {
|
||||
bb_error_msg_and_die("invalid magic");
|
||||
}
|
||||
return unpack_bz2_stream(src_fd, dst_fd);
|
||||
}
|
||||
|
||||
#ifdef TESTING
|
||||
|
||||
static char *const bunzip_errors[] = {
|
||||
@ -693,9 +711,10 @@ static char *const bunzip_errors[] = {
|
||||
/* Dumb little test thing, decompress stdin to stdout */
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
int i = unpack_bz2_stream(0, 1);
|
||||
int i;
|
||||
char c;
|
||||
|
||||
int i = unpack_bz2_stream_prime(0, 1);
|
||||
if (i < 0)
|
||||
fprintf(stderr, "%s\n", bunzip_errors[-i]);
|
||||
else if (read(STDIN_FILENO, &c, 1))
|
||||
|
||||
@ -1,6 +1,4 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
#include "libbb.h"
|
||||
|
||||
/* uncompress for busybox -- (c) 2002 Robert Griebl
|
||||
*
|
||||
* based on the original compress42.c source
|
||||
@ -26,6 +24,10 @@
|
||||
*
|
||||
*/
|
||||
|
||||
#include "libbb.h"
|
||||
#include "unarchive.h"
|
||||
|
||||
|
||||
/* Default input buffer size */
|
||||
#define IBUFSIZ 2048
|
||||
|
||||
@ -71,7 +73,7 @@
|
||||
*/
|
||||
|
||||
USE_DESKTOP(long long) int FAST_FUNC
|
||||
uncompress(int fd_in, int fd_out)
|
||||
unpack_Z_stream(int fd_in, int fd_out)
|
||||
{
|
||||
USE_DESKTOP(long long total_written = 0;)
|
||||
USE_DESKTOP(long long) int retval = -1;
|
||||
|
||||
@ -23,22 +23,25 @@ char FAST_FUNC filter_accept_list_reassign(archive_handle_t *archive_handle)
|
||||
|
||||
/* Find extension */
|
||||
name_ptr = strrchr(archive_handle->file_header->name, '.');
|
||||
if (!name_ptr)
|
||||
return EXIT_FAILURE;
|
||||
name_ptr++;
|
||||
|
||||
/* Modify the subarchive handler based on the extension */
|
||||
if (ENABLE_FEATURE_DEB_TAR_GZ
|
||||
&& strcmp(name_ptr, ".gz") == 0
|
||||
if (ENABLE_FEATURE_SEAMLESS_GZ
|
||||
&& strcmp(name_ptr, "gz") == 0
|
||||
) {
|
||||
archive_handle->action_data_subarchive = get_header_tar_gz;
|
||||
return EXIT_SUCCESS;
|
||||
}
|
||||
if (ENABLE_FEATURE_DEB_TAR_BZ2
|
||||
&& strcmp(name_ptr, ".bz2") == 0
|
||||
if (ENABLE_FEATURE_SEAMLESS_BZ2
|
||||
&& strcmp(name_ptr, "bz2") == 0
|
||||
) {
|
||||
archive_handle->action_data_subarchive = get_header_tar_bz2;
|
||||
return EXIT_SUCCESS;
|
||||
}
|
||||
if (ENABLE_FEATURE_DEB_TAR_LZMA
|
||||
&& strcmp(name_ptr, ".lzma") == 0
|
||||
if (ENABLE_FEATURE_SEAMLESS_LZMA
|
||||
&& strcmp(name_ptr, "lzma") == 0
|
||||
) {
|
||||
archive_handle->action_data_subarchive = get_header_tar_lzma;
|
||||
return EXIT_SUCCESS;
|
||||
|
||||
@ -148,12 +148,12 @@ char FAST_FUNC get_header_tar(archive_handle_t *archive_handle)
|
||||
* we can switch to get_header_tar_gz/bz2/lzma().
|
||||
* Needs seekable fd. I wish recv(MSG_PEEK) works
|
||||
* on any fd... */
|
||||
#if ENABLE_FEATURE_TAR_GZIP
|
||||
#if ENABLE_FEATURE_SEAMLESS_GZ
|
||||
if (tar.name[0] == 0x1f && tar.name[1] == (char)0x8b) { /* gzip */
|
||||
get_header_ptr = get_header_tar_gz;
|
||||
} else
|
||||
#endif
|
||||
#if ENABLE_FEATURE_TAR_BZIP2
|
||||
#if ENABLE_FEATURE_SEAMLESS_BZ2
|
||||
if (tar.name[0] == 'B' && tar.name[1] == 'Z'
|
||||
&& tar.name[2] == 'h' && isdigit(tar.name[3])
|
||||
) { /* bzip2 */
|
||||
|
||||
@ -11,7 +11,7 @@ char FAST_FUNC get_header_tar_bz2(archive_handle_t *archive_handle)
|
||||
/* Can't lseek over pipes */
|
||||
archive_handle->seek = seek_by_read;
|
||||
|
||||
open_transformer(archive_handle->src_fd, unpack_bz2_stream, "bunzip2");
|
||||
open_transformer(archive_handle->src_fd, unpack_bz2_stream_prime, "bunzip2");
|
||||
archive_handle->offset = 0;
|
||||
while (get_header_tar(archive_handle) == EXIT_SUCCESS)
|
||||
continue;
|
||||
|
||||
@ -206,27 +206,27 @@ static void extract_cpio_gz(int fd)
|
||||
archive_handle->src_fd = fd;
|
||||
/*archive_handle->offset = 0; - init_handle() did it */
|
||||
|
||||
// TODO: open_zipped does the same
|
||||
|
||||
xread(archive_handle->src_fd, &magic, 2);
|
||||
#if BB_MMU
|
||||
xformer = unpack_gz_stream;
|
||||
#else
|
||||
xformer_prog = "gunzip";
|
||||
#endif
|
||||
if ((magic[0] != 0x1f) || (magic[1] != 0x8b)) {
|
||||
if (ENABLE_FEATURE_RPM_BZ2
|
||||
&& (magic[0] == 0x42) && (magic[1] == 0x5a)) {
|
||||
if (magic[0] != 0x1f || magic[1] != 0x8b) {
|
||||
if (!ENABLE_FEATURE_SEAMLESS_BZ2
|
||||
|| magic[0] != 'B' || magic[1] != 'Z'
|
||||
) {
|
||||
bb_error_msg_and_die("no gzip"
|
||||
USE_FEATURE_SEAMLESS_BZ2("/bzip2")
|
||||
" magic");
|
||||
}
|
||||
#if BB_MMU
|
||||
xformer = unpack_bz2_stream;
|
||||
#else
|
||||
xformer_prog = "bunzip2";
|
||||
#endif
|
||||
/* We can do better, need modifying unpack_bz2_stream to not require
|
||||
* first 2 bytes. Not very hard to do... I mean, TODO :) */
|
||||
xlseek(archive_handle->src_fd, -2, SEEK_CUR);
|
||||
} else
|
||||
bb_error_msg_and_die("no gzip"
|
||||
USE_FEATURE_RPM_BZ2("/bzip")
|
||||
" magic");
|
||||
} else {
|
||||
#if !BB_MMU
|
||||
/* NOMMU version of open_transformer execs an external unzipper that should
|
||||
|
||||
@ -36,7 +36,7 @@
|
||||
#define block_buf bb_common_bufsiz1
|
||||
|
||||
|
||||
#if !ENABLE_FEATURE_TAR_GZIP && !ENABLE_FEATURE_TAR_BZIP2
|
||||
#if !ENABLE_FEATURE_SEAMLESS_GZ && !ENABLE_FEATURE_SEAMLESS_BZ2
|
||||
/* Do not pass gzip flag to writeTarFile() */
|
||||
#define writeTarFile(tar_fd, verboseFlag, dereferenceFlag, include, exclude, gzip) \
|
||||
writeTarFile(tar_fd, verboseFlag, dereferenceFlag, include, exclude)
|
||||
@ -503,19 +503,19 @@ static int FAST_FUNC writeFileToTarball(const char *fileName, struct stat *statb
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
#if ENABLE_FEATURE_TAR_GZIP || ENABLE_FEATURE_TAR_BZIP2
|
||||
#if !(ENABLE_FEATURE_TAR_GZIP && ENABLE_FEATURE_TAR_BZIP2)
|
||||
#if ENABLE_FEATURE_SEAMLESS_GZ || ENABLE_FEATURE_SEAMLESS_BZ2
|
||||
#if !(ENABLE_FEATURE_SEAMLESS_GZ && ENABLE_FEATURE_SEAMLESS_BZ2)
|
||||
#define vfork_compressor(tar_fd, gzip) vfork_compressor(tar_fd)
|
||||
#endif
|
||||
/* Don't inline: vfork scares gcc and pessimizes code */
|
||||
static void NOINLINE vfork_compressor(int tar_fd, int gzip)
|
||||
{
|
||||
pid_t gzipPid;
|
||||
#if ENABLE_FEATURE_TAR_GZIP && ENABLE_FEATURE_TAR_BZIP2
|
||||
#if ENABLE_FEATURE_SEAMLESS_GZ && ENABLE_FEATURE_SEAMLESS_BZ2
|
||||
const char *zip_exec = (gzip == 1) ? "gzip" : "bzip2";
|
||||
#elif ENABLE_FEATURE_TAR_GZIP
|
||||
#elif ENABLE_FEATURE_SEAMLESS_GZ
|
||||
const char *zip_exec = "gzip";
|
||||
#else /* only ENABLE_FEATURE_TAR_BZIP2 */
|
||||
#else /* only ENABLE_FEATURE_SEAMLESS_BZ2 */
|
||||
const char *zip_exec = "bzip2";
|
||||
#endif
|
||||
// On Linux, vfork never unpauses parent early, although standard
|
||||
@ -579,7 +579,7 @@ static void NOINLINE vfork_compressor(int tar_fd, int gzip)
|
||||
bb_perror_msg_and_die("cannot exec %s", zip_exec);
|
||||
}
|
||||
}
|
||||
#endif /* ENABLE_FEATURE_TAR_GZIP || ENABLE_FEATURE_TAR_BZIP2 */
|
||||
#endif /* ENABLE_FEATURE_SEAMLESS_GZ || ENABLE_FEATURE_SEAMLESS_BZ2 */
|
||||
|
||||
|
||||
/* gcc 4.2.1 inlines it, making code bigger */
|
||||
@ -601,7 +601,7 @@ static NOINLINE int writeTarFile(int tar_fd, int verboseFlag,
|
||||
if (fstat(tbInfo.tarFd, &tbInfo.statBuf) < 0)
|
||||
bb_perror_msg_and_die("cannot stat tar file");
|
||||
|
||||
#if ENABLE_FEATURE_TAR_GZIP || ENABLE_FEATURE_TAR_BZIP2
|
||||
#if ENABLE_FEATURE_SEAMLESS_GZ || ENABLE_FEATURE_SEAMLESS_BZ2
|
||||
if (gzip)
|
||||
vfork_compressor(tbInfo.tarFd, gzip);
|
||||
#endif
|
||||
@ -637,7 +637,7 @@ static NOINLINE int writeTarFile(int tar_fd, int verboseFlag,
|
||||
if (errorFlag)
|
||||
bb_error_msg("error exit delayed from previous errors");
|
||||
|
||||
#if ENABLE_FEATURE_TAR_GZIP || ENABLE_FEATURE_TAR_BZIP2
|
||||
#if ENABLE_FEATURE_SEAMLESS_GZ || ENABLE_FEATURE_SEAMLESS_BZ2
|
||||
if (gzip) {
|
||||
int status;
|
||||
if (safe_waitpid(-1, &status, 0) == -1)
|
||||
@ -679,7 +679,7 @@ static llist_t *append_file_list_to_list(llist_t *list)
|
||||
#define append_file_list_to_list(x) 0
|
||||
#endif
|
||||
|
||||
#if ENABLE_FEATURE_TAR_COMPRESS
|
||||
#if ENABLE_FEATURE_SEAMLESS_Z
|
||||
static char FAST_FUNC get_header_tar_Z(archive_handle_t *archive_handle)
|
||||
{
|
||||
/* Can't lseek over pipes */
|
||||
@ -692,7 +692,7 @@ static char FAST_FUNC get_header_tar_Z(archive_handle_t *archive_handle)
|
||||
bb_error_msg_and_die("invalid magic");
|
||||
}
|
||||
|
||||
open_transformer(archive_handle->src_fd, uncompress, "uncompress");
|
||||
open_transformer(archive_handle->src_fd, unpack_Z_stream, "uncompress");
|
||||
archive_handle->offset = 0;
|
||||
while (get_header_tar(archive_handle) == EXIT_SUCCESS)
|
||||
continue;
|
||||
@ -731,12 +731,12 @@ enum {
|
||||
OPTBIT_KEEP_OLD = 7,
|
||||
USE_FEATURE_TAR_CREATE( OPTBIT_CREATE ,)
|
||||
USE_FEATURE_TAR_CREATE( OPTBIT_DEREFERENCE ,)
|
||||
USE_FEATURE_TAR_BZIP2( OPTBIT_BZIP2 ,)
|
||||
USE_FEATURE_TAR_LZMA( OPTBIT_LZMA ,)
|
||||
USE_FEATURE_SEAMLESS_BZ2( OPTBIT_BZIP2 ,)
|
||||
USE_FEATURE_SEAMLESS_LZMA(OPTBIT_LZMA ,)
|
||||
USE_FEATURE_TAR_FROM( OPTBIT_INCLUDE_FROM,)
|
||||
USE_FEATURE_TAR_FROM( OPTBIT_EXCLUDE_FROM,)
|
||||
USE_FEATURE_TAR_GZIP( OPTBIT_GZIP ,)
|
||||
USE_FEATURE_TAR_COMPRESS(OPTBIT_COMPRESS ,)
|
||||
USE_FEATURE_SEAMLESS_GZ( OPTBIT_GZIP ,)
|
||||
USE_FEATURE_SEAMLESS_Z( OPTBIT_COMPRESS ,)
|
||||
OPTBIT_NOPRESERVE_OWN,
|
||||
OPTBIT_NOPRESERVE_PERM,
|
||||
OPT_TEST = 1 << 0, // t
|
||||
@ -749,12 +749,12 @@ enum {
|
||||
OPT_KEEP_OLD = 1 << 7, // k
|
||||
OPT_CREATE = USE_FEATURE_TAR_CREATE( (1 << OPTBIT_CREATE )) + 0, // c
|
||||
OPT_DEREFERENCE = USE_FEATURE_TAR_CREATE( (1 << OPTBIT_DEREFERENCE )) + 0, // h
|
||||
OPT_BZIP2 = USE_FEATURE_TAR_BZIP2( (1<<OPTBIT_BZIP2 )) + 0, // j
|
||||
OPT_LZMA = USE_FEATURE_TAR_LZMA( (1<<OPTBIT_LZMA )) + 0, // a
|
||||
OPT_BZIP2 = USE_FEATURE_SEAMLESS_BZ2( (1 << OPTBIT_BZIP2 )) + 0, // j
|
||||
OPT_LZMA = USE_FEATURE_SEAMLESS_LZMA((1 << OPTBIT_LZMA )) + 0, // a
|
||||
OPT_INCLUDE_FROM = USE_FEATURE_TAR_FROM( (1 << OPTBIT_INCLUDE_FROM)) + 0, // T
|
||||
OPT_EXCLUDE_FROM = USE_FEATURE_TAR_FROM( (1 << OPTBIT_EXCLUDE_FROM)) + 0, // X
|
||||
OPT_GZIP = USE_FEATURE_TAR_GZIP( (1<<OPTBIT_GZIP )) + 0, // z
|
||||
OPT_COMPRESS = USE_FEATURE_TAR_COMPRESS((1<<OPTBIT_COMPRESS )) + 0, // Z
|
||||
OPT_GZIP = USE_FEATURE_SEAMLESS_GZ( (1 << OPTBIT_GZIP )) + 0, // z
|
||||
OPT_COMPRESS = USE_FEATURE_SEAMLESS_Z( (1 << OPTBIT_COMPRESS )) + 0, // Z
|
||||
OPT_NOPRESERVE_OWN = 1 << OPTBIT_NOPRESERVE_OWN , // no-same-owner
|
||||
OPT_NOPRESERVE_PERM = 1 << OPTBIT_NOPRESERVE_PERM, // no-same-permissions
|
||||
};
|
||||
@ -772,20 +772,20 @@ static const char tar_longopts[] ALIGN1 =
|
||||
"create\0" No_argument "c"
|
||||
"dereference\0" No_argument "h"
|
||||
# endif
|
||||
# if ENABLE_FEATURE_TAR_BZIP2
|
||||
# if ENABLE_FEATURE_SEAMLESS_BZ2
|
||||
"bzip2\0" No_argument "j"
|
||||
# endif
|
||||
# if ENABLE_FEATURE_TAR_LZMA
|
||||
# if ENABLE_FEATURE_SEAMLESS_LZMA
|
||||
"lzma\0" No_argument "a"
|
||||
# endif
|
||||
# if ENABLE_FEATURE_TAR_FROM
|
||||
"files-from\0" Required_argument "T"
|
||||
"exclude-from\0" Required_argument "X"
|
||||
# endif
|
||||
# if ENABLE_FEATURE_TAR_GZIP
|
||||
# if ENABLE_FEATURE_SEAMLESS_GZ
|
||||
"gzip\0" No_argument "z"
|
||||
# endif
|
||||
# if ENABLE_FEATURE_TAR_COMPRESS
|
||||
# if ENABLE_FEATURE_SEAMLESS_Z
|
||||
"compress\0" No_argument "Z"
|
||||
# endif
|
||||
"no-same-owner\0" No_argument "\xfd"
|
||||
@ -835,11 +835,11 @@ int tar_main(int argc UNUSED_PARAM, char **argv)
|
||||
opt = getopt32(argv,
|
||||
"txC:f:Opvk"
|
||||
USE_FEATURE_TAR_CREATE( "ch" )
|
||||
USE_FEATURE_TAR_BZIP2( "j" )
|
||||
USE_FEATURE_TAR_LZMA( "a" )
|
||||
USE_FEATURE_SEAMLESS_BZ2( "j" )
|
||||
USE_FEATURE_SEAMLESS_LZMA("a" )
|
||||
USE_FEATURE_TAR_FROM( "T:X:")
|
||||
USE_FEATURE_TAR_GZIP( "z" )
|
||||
USE_FEATURE_TAR_COMPRESS("Z" )
|
||||
USE_FEATURE_SEAMLESS_GZ( "z" )
|
||||
USE_FEATURE_SEAMLESS_Z( "Z" )
|
||||
, &base_dir // -C dir
|
||||
, &tar_filename // -f filename
|
||||
USE_FEATURE_TAR_FROM(, &(tar_handle->accept)) // T
|
||||
@ -923,7 +923,6 @@ int tar_main(int argc UNUSED_PARAM, char **argv)
|
||||
tar_stream = stdout;
|
||||
/* Mimicking GNU tar 1.15.1: */
|
||||
flags = O_WRONLY | O_CREAT | O_TRUNC;
|
||||
/* was doing unlink; open(O_WRONLY|O_CREAT|O_EXCL); why? */
|
||||
} else {
|
||||
tar_stream = stdin;
|
||||
flags = O_RDONLY;
|
||||
@ -932,10 +931,17 @@ int tar_main(int argc UNUSED_PARAM, char **argv)
|
||||
if (LONE_DASH(tar_filename)) {
|
||||
tar_handle->src_fd = fileno(tar_stream);
|
||||
tar_handle->seek = seek_by_read;
|
||||
} else {
|
||||
if (ENABLE_FEATURE_TAR_AUTODETECT && flags == O_RDONLY) {
|
||||
get_header_ptr = get_header_tar;
|
||||
tar_handle->src_fd = open_zipped(tar_filename);
|
||||
if (tar_handle->src_fd < 0)
|
||||
bb_perror_msg_and_die("can't open '%s'", tar_filename);
|
||||
} else {
|
||||
tar_handle->src_fd = xopen(tar_filename, flags);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (base_dir)
|
||||
xchdir(base_dir);
|
||||
@ -947,11 +953,11 @@ int tar_main(int argc UNUSED_PARAM, char **argv)
|
||||
|
||||
/* create an archive */
|
||||
if (opt & OPT_CREATE) {
|
||||
#if ENABLE_FEATURE_TAR_GZIP || ENABLE_FEATURE_TAR_BZIP2
|
||||
#if ENABLE_FEATURE_SEAMLESS_GZ || ENABLE_FEATURE_SEAMLESS_BZ2
|
||||
int zipMode = 0;
|
||||
if (ENABLE_FEATURE_TAR_GZIP && (opt & OPT_GZIP))
|
||||
if (ENABLE_FEATURE_SEAMLESS_GZ && (opt & OPT_GZIP))
|
||||
zipMode = 1;
|
||||
if (ENABLE_FEATURE_TAR_BZIP2 && (opt & OPT_BZIP2))
|
||||
if (ENABLE_FEATURE_SEAMLESS_BZ2 && (opt & OPT_BZIP2))
|
||||
zipMode = 2;
|
||||
#endif
|
||||
/* NB: writeTarFile() closes tar_handle->src_fd */
|
||||
|
||||
@ -597,6 +597,7 @@ extern void *xmalloc_read(int fd, size_t *maxsz_p) FAST_FUNC;
|
||||
/* Returns NULL if file can't be opened */
|
||||
extern void *xmalloc_open_read_close(const char *filename, size_t *maxsz_p) FAST_FUNC;
|
||||
/* Autodetects .gz etc */
|
||||
extern int open_zipped(const char *fname) FAST_FUNC;
|
||||
extern void *xmalloc_open_zipped_read_close(const char *fname, size_t *maxsz_p) FAST_FUNC;
|
||||
/* Never returns NULL */
|
||||
extern void *xmalloc_xopen_read_close(const char *filename, size_t *maxsz_p) FAST_FUNC;
|
||||
@ -1039,10 +1040,6 @@ const char *bb_basename(const char *name) FAST_FUNC;
|
||||
char *last_char_is(const char *s, int c) FAST_FUNC;
|
||||
|
||||
|
||||
USE_DESKTOP(long long) int uncompress(int fd_in, int fd_out) FAST_FUNC;
|
||||
int inflate(int in, int out) FAST_FUNC;
|
||||
|
||||
|
||||
int bb_make_directory(char *path, long mode, int flags) FAST_FUNC;
|
||||
|
||||
int get_signum(const char *name) FAST_FUNC;
|
||||
|
||||
@ -98,9 +98,9 @@ extern void header_verbose_list(const file_header_t *file_header) FAST_FUNC;
|
||||
extern char get_header_ar(archive_handle_t *archive_handle) FAST_FUNC;
|
||||
extern char get_header_cpio(archive_handle_t *archive_handle) FAST_FUNC;
|
||||
extern char get_header_tar(archive_handle_t *archive_handle) FAST_FUNC;
|
||||
extern char get_header_tar_gz(archive_handle_t *archive_handle) FAST_FUNC;
|
||||
extern char get_header_tar_bz2(archive_handle_t *archive_handle) FAST_FUNC;
|
||||
extern char get_header_tar_lzma(archive_handle_t *archive_handle) FAST_FUNC;
|
||||
extern char get_header_tar_gz(archive_handle_t *archive_handle) FAST_FUNC;
|
||||
|
||||
extern void seek_by_jump(const archive_handle_t *archive_handle, unsigned amount) FAST_FUNC;
|
||||
extern void seek_by_read(const archive_handle_t *archive_handle, unsigned amount) FAST_FUNC;
|
||||
@ -120,17 +120,22 @@ typedef struct inflate_unzip_result {
|
||||
uint32_t crc;
|
||||
} inflate_unzip_result;
|
||||
|
||||
extern USE_DESKTOP(long long) int unpack_bz2_stream(int src_fd, int dst_fd) FAST_FUNC;
|
||||
extern USE_DESKTOP(long long) int inflate_unzip(inflate_unzip_result *res, off_t compr_size, int src_fd, int dst_fd) FAST_FUNC;
|
||||
extern USE_DESKTOP(long long) int unpack_gz_stream(int src_fd, int dst_fd) FAST_FUNC;
|
||||
extern USE_DESKTOP(long long) int unpack_lzma_stream(int src_fd, int dst_fd) FAST_FUNC;
|
||||
USE_DESKTOP(long long) int inflate_unzip(inflate_unzip_result *res, off_t compr_size, int src_fd, int dst_fd) FAST_FUNC;
|
||||
/* lzma unpacker takes .lzma stream from offset 0 */
|
||||
USE_DESKTOP(long long) int unpack_lzma_stream(int src_fd, int dst_fd) FAST_FUNC;
|
||||
/* the rest wants 2 first bytes already skipped by the caller */
|
||||
USE_DESKTOP(long long) int unpack_bz2_stream(int src_fd, int dst_fd) FAST_FUNC;
|
||||
USE_DESKTOP(long long) int unpack_gz_stream(int src_fd, int dst_fd) FAST_FUNC;
|
||||
USE_DESKTOP(long long) int unpack_Z_stream(int fd_in, int fd_out) FAST_FUNC;
|
||||
/* wrapper which checks first two bytes to be "BZ" */
|
||||
USE_DESKTOP(long long) int unpack_bz2_stream_prime(int src_fd, int dst_fd) FAST_FUNC;
|
||||
|
||||
#if BB_MMU
|
||||
extern void open_transformer(int fd,
|
||||
void open_transformer(int fd,
|
||||
USE_DESKTOP(long long) int FAST_FUNC (*transformer)(int src_fd, int dst_fd)) FAST_FUNC;
|
||||
#define open_transformer(fd, transformer, transform_prog) open_transformer(fd, transformer)
|
||||
#else
|
||||
extern void open_transformer(int src_fd, const char *transform_prog) FAST_FUNC;
|
||||
void open_transformer(int src_fd, const char *transform_prog) FAST_FUNC;
|
||||
#define open_transformer(fd, transformer, transform_prog) open_transformer(fd, transform_prog)
|
||||
#endif
|
||||
|
||||
|
||||
@ -3943,9 +3943,9 @@
|
||||
"nameserver 10.0.0.1\n"
|
||||
|
||||
#define tar_trivial_usage \
|
||||
"-[" USE_FEATURE_TAR_CREATE("c") USE_FEATURE_TAR_GZIP("z") \
|
||||
USE_FEATURE_TAR_BZIP2("j") USE_FEATURE_TAR_LZMA("a") \
|
||||
USE_FEATURE_TAR_COMPRESS("Z") "xtvO] " \
|
||||
"-[" USE_FEATURE_TAR_CREATE("c") USE_FEATURE_SEAMLESS_GZ("z") \
|
||||
USE_FEATURE_SEAMLESS_BZ2("j") USE_FEATURE_SEAMLESS_LZMA("a") \
|
||||
USE_FEATURE_SEAMLESS_Z("Z") "xtvO] " \
|
||||
USE_FEATURE_TAR_FROM("[-X FILE] ") \
|
||||
"[-f TARFILE] [-C DIR] [FILE(s)]..."
|
||||
#define tar_full_usage "\n\n" \
|
||||
@ -3956,16 +3956,16 @@
|
||||
"\n x Extract" \
|
||||
"\n t List" \
|
||||
"\nArchive format selection:" \
|
||||
USE_FEATURE_TAR_GZIP( \
|
||||
USE_FEATURE_SEAMLESS_GZ( \
|
||||
"\n z Filter the archive through gzip" \
|
||||
) \
|
||||
USE_FEATURE_TAR_BZIP2( \
|
||||
USE_FEATURE_SEAMLESS_BZ2( \
|
||||
"\n j Filter the archive through bzip2" \
|
||||
) \
|
||||
USE_FEATURE_TAR_LZMA( \
|
||||
USE_FEATURE_SEAMLESS_LZMA( \
|
||||
"\n a Filter the archive through lzma" \
|
||||
) \
|
||||
USE_FEATURE_TAR_COMPRESS( \
|
||||
USE_FEATURE_SEAMLESS_Z( \
|
||||
"\n Z Filter the archive through compress" \
|
||||
) \
|
||||
"\nFile selection:" \
|
||||
|
||||
@ -73,7 +73,8 @@ static const char *unpack_usage_messages(void)
|
||||
|
||||
i = start_bunzip(&bd,
|
||||
/* src_fd: */ -1,
|
||||
/* inbuf: */ (void *)packed_usage,
|
||||
//FIXME: can avoid storing these 2 bytes!
|
||||
/* inbuf: */ (void *)packed_usage + 2,
|
||||
/* len: */ sizeof(packed_usage));
|
||||
/* read_bunzip can longjmp to start_bunzip, and ultimately
|
||||
* end up here with i != 0 on read data errors! Not trivial */
|
||||
|
||||
89
libbb/read.c
89
libbb/read.c
@ -8,7 +8,14 @@
|
||||
*/
|
||||
|
||||
#include "libbb.h"
|
||||
#if ENABLE_FEATURE_MODPROBE_SMALL_ZIPPED
|
||||
|
||||
#define ZIPPED (ENABLE_FEATURE_SEAMLESS_LZMA \
|
||||
|| ENABLE_FEATURE_SEAMLESS_BZ2 \
|
||||
|| ENABLE_FEATURE_SEAMLESS_GZ \
|
||||
/* || ENABLE_FEATURE_SEAMLESS_Z */ \
|
||||
)
|
||||
|
||||
#if ZIPPED
|
||||
#include "unarchive.h"
|
||||
#endif
|
||||
|
||||
@ -299,24 +306,81 @@ void* FAST_FUNC xmalloc_xopen_read_close(const char *filename, size_t *maxsz_p)
|
||||
return buf;
|
||||
}
|
||||
|
||||
#if ENABLE_FEATURE_MODPROBE_SMALL_ZIPPED
|
||||
int FAST_FUNC open_zipped(const char *fname)
|
||||
{
|
||||
#if !ZIPPED
|
||||
return open(fname, O_RDONLY);
|
||||
#else
|
||||
unsigned char magic[2];
|
||||
char *sfx;
|
||||
int fd;
|
||||
#if BB_MMU
|
||||
USE_DESKTOP(long long) int FAST_FUNC (*xformer)(int src_fd, int dst_fd);
|
||||
enum { xformer_prog = 0 };
|
||||
#else
|
||||
enum { xformer = 0 };
|
||||
const char *xformer_prog;
|
||||
#endif
|
||||
|
||||
fd = open(fname, O_RDONLY);
|
||||
if (fd < 0)
|
||||
return fd;
|
||||
|
||||
sfx = strrchr(fname, '.');
|
||||
if (sfx) {
|
||||
if (ENABLE_FEATURE_SEAMLESS_LZMA && strcmp(sfx, ".lzma") == 0)
|
||||
/* .lzma has no header/signature, just trust it */
|
||||
open_transformer(fd, unpack_lzma_stream, "unlzma");
|
||||
else
|
||||
if ((ENABLE_FEATURE_SEAMLESS_GZ && strcmp(sfx, ".gz") == 0)
|
||||
|| (ENABLE_FEATURE_SEAMLESS_BZ2 && strcmp(sfx, ".bz2") == 0)
|
||||
) {
|
||||
/* .gz and .bz2 both have 2-byte signature, and their
|
||||
* unpack_XXX_stream want this header skipped. */
|
||||
xread(fd, &magic, 2);
|
||||
#if BB_MMU
|
||||
xformer = unpack_gz_stream;
|
||||
#else
|
||||
xformer_prog = "gunzip";
|
||||
#endif
|
||||
if (magic[0] != 0x1f || magic[1] != 0x8b) {
|
||||
if (!ENABLE_FEATURE_SEAMLESS_BZ2
|
||||
|| magic[0] != 'B' || magic[1] != 'Z'
|
||||
) {
|
||||
bb_error_msg_and_die("no gzip"
|
||||
USE_FEATURE_SEAMLESS_BZ2("/bzip2")
|
||||
" magic");
|
||||
}
|
||||
#if BB_MMU
|
||||
xformer = unpack_bz2_stream;
|
||||
#else
|
||||
xformer_prog = "bunzip2";
|
||||
#endif
|
||||
} else {
|
||||
#if !BB_MMU
|
||||
/* NOMMU version of open_transformer execs
|
||||
* an external unzipper that wants
|
||||
* file position at the start of the file */
|
||||
xlseek(fd, 0, SEEK_SET);
|
||||
#endif
|
||||
}
|
||||
open_transformer(fd, xformer, xformer_prog);
|
||||
}
|
||||
}
|
||||
|
||||
return fd;
|
||||
#endif
|
||||
}
|
||||
|
||||
void* FAST_FUNC xmalloc_open_zipped_read_close(const char *fname, size_t *maxsz_p)
|
||||
{
|
||||
int fd;
|
||||
char *image;
|
||||
char *suffix;
|
||||
|
||||
int fd = open(fname, O_RDONLY);
|
||||
fd = open_zipped(fname);
|
||||
if (fd < 0)
|
||||
return NULL;
|
||||
|
||||
suffix = strrchr(fname, '.');
|
||||
if (suffix) {
|
||||
if (strcmp(suffix, ".gz") == 0)
|
||||
open_transformer(fd, unpack_gz_stream, "gunzip");
|
||||
else if (strcmp(suffix, ".bz2") == 0)
|
||||
open_transformer(fd, unpack_bz2_stream, "bunzip2");
|
||||
}
|
||||
|
||||
image = xmalloc_read(fd, maxsz_p);
|
||||
if (!image)
|
||||
bb_perror_msg("read error from '%s'", fname);
|
||||
@ -324,4 +388,3 @@ void* FAST_FUNC xmalloc_open_zipped_read_close(const char *fname, size_t *maxsz_
|
||||
|
||||
return image;
|
||||
}
|
||||
#endif
|
||||
|
||||
@ -54,13 +54,6 @@ config FEATURE_MODPROBE_SMALL_CHECK_ALREADY_LOADED
|
||||
Check if the module is already loaded.
|
||||
N.B. It's racy.
|
||||
|
||||
config FEATURE_MODPROBE_SMALL_ZIPPED
|
||||
bool "Handle gzipped or bzipped modules"
|
||||
default n
|
||||
depends on MODPROBE_SMALL
|
||||
help
|
||||
Handle compressed modules. Bloaty. Sloooow.
|
||||
|
||||
config DEPMOD
|
||||
bool "depmod"
|
||||
default n
|
||||
|
||||
@ -100,7 +100,7 @@ static char* find_keyword(char *ptr, size_t len, const char *word)
|
||||
{
|
||||
int wlen;
|
||||
|
||||
if (!ptr) /* happens if read_module cannot read it */
|
||||
if (!ptr) /* happens if xmalloc_open_zipped_read_close cannot read it */
|
||||
return NULL;
|
||||
|
||||
wlen = strlen(word);
|
||||
@ -141,12 +141,6 @@ static char* str_2_list(const char *str)
|
||||
return dst;
|
||||
}
|
||||
|
||||
#if ENABLE_FEATURE_MODPROBE_SMALL_ZIPPED
|
||||
# define read_module xmalloc_open_zipped_read_close
|
||||
#else
|
||||
# define read_module xmalloc_open_read_close
|
||||
#endif
|
||||
|
||||
/* We use error numbers in a loose translation... */
|
||||
static const char *moderror(int err)
|
||||
{
|
||||
@ -173,7 +167,7 @@ static int load_module(const char *fname, const char *options)
|
||||
char *module_image;
|
||||
dbg1_error_msg("load_module('%s','%s')", fname, options);
|
||||
|
||||
module_image = read_module(fname, &len);
|
||||
module_image = xmalloc_open_zipped_read_close(fname, &len);
|
||||
r = (!module_image || init_module(module_image, len, options ? options : "") != 0);
|
||||
free(module_image);
|
||||
dbg1_error_msg("load_module:%d", r);
|
||||
@ -195,7 +189,7 @@ static void parse_module(module_info *info, const char *pathname)
|
||||
|
||||
/* Read (possibly compressed) module */
|
||||
len = 64 * 1024 * 1024; /* 64 Mb at most */
|
||||
module_image = read_module(pathname, &len);
|
||||
module_image = xmalloc_open_zipped_read_close(pathname, &len);
|
||||
//TODO: optimize redundant module body reads
|
||||
|
||||
/* "alias1 symbol:sym1 alias2 symbol:sym2" */
|
||||
|
||||
@ -1,7 +1,7 @@
|
||||
#
|
||||
# Automatically generated make config: don't edit
|
||||
# Busybox version: 1.11.0.svn
|
||||
# Wed Jun 25 12:56:32 2008
|
||||
# Busybox version: 1.12.0.svn
|
||||
# Tue Aug 5 14:44:22 2008
|
||||
#
|
||||
CONFIG_HAVE_DOT_CONFIG=y
|
||||
|
||||
@ -57,6 +57,7 @@ CONFIG_NO_DEBUG_LIB=y
|
||||
# CONFIG_DMALLOC is not set
|
||||
# CONFIG_EFENCE is not set
|
||||
CONFIG_INCLUDE_SUSv2=y
|
||||
# CONFIG_PARSE is not set
|
||||
|
||||
#
|
||||
# Installation Options
|
||||
@ -99,6 +100,10 @@ CONFIG_FEATURE_HWIB=y
|
||||
#
|
||||
# Archival Utilities
|
||||
#
|
||||
CONFIG_FEATURE_SEAMLESS_LZMA=y
|
||||
CONFIG_FEATURE_SEAMLESS_BZ2=y
|
||||
CONFIG_FEATURE_SEAMLESS_GZ=y
|
||||
CONFIG_FEATURE_SEAMLESS_Z=y
|
||||
CONFIG_AR=y
|
||||
CONFIG_FEATURE_AR_LONG_FILENAMES=y
|
||||
CONFIG_BUNZIP2=y
|
||||
@ -109,17 +114,11 @@ CONFIG_FEATURE_CPIO_O=y
|
||||
# CONFIG_DPKG_DEB is not set
|
||||
# CONFIG_FEATURE_DPKG_DEB_EXTRACT_ONLY is not set
|
||||
CONFIG_GUNZIP=y
|
||||
CONFIG_FEATURE_GUNZIP_UNCOMPRESS=y
|
||||
CONFIG_GZIP=y
|
||||
CONFIG_RPM2CPIO=y
|
||||
CONFIG_RPM=y
|
||||
CONFIG_FEATURE_RPM_BZ2=y
|
||||
CONFIG_TAR=y
|
||||
CONFIG_FEATURE_TAR_CREATE=y
|
||||
CONFIG_FEATURE_TAR_GZIP=y
|
||||
CONFIG_FEATURE_TAR_BZIP2=y
|
||||
CONFIG_FEATURE_TAR_LZMA=y
|
||||
CONFIG_FEATURE_TAR_COMPRESS=y
|
||||
CONFIG_FEATURE_TAR_AUTODETECT=y
|
||||
CONFIG_FEATURE_TAR_FROM=y
|
||||
CONFIG_FEATURE_TAR_OLDGNU_COMPATIBILITY=y
|
||||
@ -132,13 +131,6 @@ CONFIG_UNLZMA=y
|
||||
CONFIG_FEATURE_LZMA_FAST=y
|
||||
CONFIG_UNZIP=y
|
||||
|
||||
#
|
||||
# Common options for cpio and tar
|
||||
#
|
||||
# CONFIG_FEATURE_DEB_TAR_GZ is not set
|
||||
# CONFIG_FEATURE_DEB_TAR_BZ2 is not set
|
||||
# CONFIG_FEATURE_DEB_TAR_LZMA is not set
|
||||
|
||||
#
|
||||
# Coreutils
|
||||
#
|
||||
@ -217,6 +209,7 @@ CONFIG_SEQ=y
|
||||
CONFIG_SHA1SUM=y
|
||||
CONFIG_SLEEP=y
|
||||
CONFIG_FEATURE_FANCY_SLEEP=y
|
||||
CONFIG_FEATURE_FLOAT_SLEEP=y
|
||||
CONFIG_SORT=y
|
||||
CONFIG_FEATURE_SORT_BIG=y
|
||||
CONFIG_SPLIT=y
|
||||
@ -426,29 +419,28 @@ CONFIG_LSATTR=y
|
||||
#
|
||||
# Linux Module Utilities
|
||||
#
|
||||
CONFIG_DEPMOD=y
|
||||
CONFIG_FEATURE_DEPMOD_PRUNE_FANCY=y
|
||||
CONFIG_FEATURE_DEPMOD_ALIAS=y
|
||||
CONFIG_INSMOD=y
|
||||
CONFIG_FEATURE_INSMOD_VERSION_CHECKING=y
|
||||
CONFIG_FEATURE_INSMOD_KSYMOOPS_SYMBOLS=y
|
||||
CONFIG_FEATURE_INSMOD_LOADINKMEM=y
|
||||
CONFIG_FEATURE_INSMOD_LOAD_MAP=y
|
||||
CONFIG_FEATURE_INSMOD_LOAD_MAP_FULL=y
|
||||
CONFIG_RMMOD=y
|
||||
CONFIG_LSMOD=y
|
||||
CONFIG_FEATURE_LSMOD_PRETTY_2_6_OUTPUT=y
|
||||
CONFIG_MODPROBE=y
|
||||
CONFIG_FEATURE_MODPROBE_MULTIPLE_OPTIONS=y
|
||||
CONFIG_FEATURE_MODPROBE_FANCY_ALIAS=y
|
||||
CONFIG_FEATURE_MODPROBE_BLACKLIST=y
|
||||
|
||||
#
|
||||
# Options common to multiple modutils
|
||||
#
|
||||
CONFIG_FEATURE_CHECK_TAINTED_MODULE=y
|
||||
CONFIG_FEATURE_2_4_MODULES=y
|
||||
CONFIG_FEATURE_2_6_MODULES=y
|
||||
CONFIG_MODPROBE_SMALL=y
|
||||
CONFIG_FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE=y
|
||||
CONFIG_FEATURE_MODPROBE_SMALL_CHECK_ALREADY_LOADED=y
|
||||
# CONFIG_DEPMOD is not set
|
||||
# CONFIG_FEATURE_DEPMOD_PRUNE_FANCY is not set
|
||||
# CONFIG_FEATURE_DEPMOD_ALIAS is not set
|
||||
# CONFIG_INSMOD is not set
|
||||
# CONFIG_FEATURE_INSMOD_VERSION_CHECKING is not set
|
||||
# CONFIG_FEATURE_INSMOD_KSYMOOPS_SYMBOLS is not set
|
||||
# CONFIG_FEATURE_INSMOD_LOADINKMEM is not set
|
||||
# CONFIG_FEATURE_INSMOD_LOAD_MAP is not set
|
||||
# CONFIG_FEATURE_INSMOD_LOAD_MAP_FULL is not set
|
||||
# CONFIG_RMMOD is not set
|
||||
# CONFIG_LSMOD is not set
|
||||
# CONFIG_FEATURE_LSMOD_PRETTY_2_6_OUTPUT is not set
|
||||
# CONFIG_MODPROBE is not set
|
||||
# CONFIG_FEATURE_MODPROBE_MULTIPLE_OPTIONS is not set
|
||||
# CONFIG_FEATURE_MODPROBE_FANCY_ALIAS is not set
|
||||
# CONFIG_FEATURE_MODPROBE_BLACKLIST is not set
|
||||
# CONFIG_FEATURE_CHECK_TAINTED_MODULE is not set
|
||||
# CONFIG_FEATURE_2_4_MODULES is not set
|
||||
# CONFIG_FEATURE_2_6_MODULES is not set
|
||||
CONFIG_DEFAULT_MODULES_DIR="/lib/modules"
|
||||
CONFIG_DEFAULT_DEPMOD_FILE="modules.dep"
|
||||
# CONFIG_FEATURE_QUERY_MODULE_INTERFACE is not set
|
||||
@ -686,6 +678,7 @@ CONFIG_NC_SERVER=y
|
||||
CONFIG_NC_EXTRA=y
|
||||
CONFIG_NETSTAT=y
|
||||
CONFIG_FEATURE_NETSTAT_WIDE=y
|
||||
CONFIG_FEATURE_NETSTAT_PRG=y
|
||||
CONFIG_NSLOOKUP=y
|
||||
CONFIG_PING=y
|
||||
CONFIG_PING6=y
|
||||
@ -794,6 +787,7 @@ CONFIG_ASH_RANDOM_SUPPORT=y
|
||||
# CONFIG_HUSH_TICK is not set
|
||||
# CONFIG_HUSH_IF is not set
|
||||
# CONFIG_HUSH_LOOPS is not set
|
||||
# CONFIG_HUSH_CASE is not set
|
||||
# CONFIG_LASH is not set
|
||||
# CONFIG_MSH is not set
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user