diff options
Diffstat (limited to 'archival/tar.c')
| -rw-r--r-- | archival/tar.c | 80 |
1 files changed, 66 insertions, 14 deletions
diff --git a/archival/tar.c b/archival/tar.c index aa03ba990..566ba34f6 100644 --- a/archival/tar.c +++ b/archival/tar.c @@ -152,9 +152,12 @@ # define FNM_LEADING_DIR 0 #endif - -//#define DBG(fmt, ...) bb_error_msg("%s: " fmt, __func__, ## __VA_ARGS__) -#define DBG(...) ((void)0) +#if 0 +# define DBG(fmt, ...) bb_error_msg("%s: " fmt, __func__, ## __VA_ARGS__) +#else +# define DBG(...) ((void)0) +#endif +#define DBG_OPTION_PARSING 0 #define block_buf bb_common_bufsiz1 @@ -855,6 +858,7 @@ enum { IF_FEATURE_SEAMLESS_Z( OPTBIT_COMPRESS ,) IF_FEATURE_TAR_NOPRESERVE_TIME(OPTBIT_NOPRESERVE_TIME,) #if ENABLE_FEATURE_TAR_LONG_OPTIONS + OPTBIT_STRIP_COMPONENTS, OPTBIT_NORECURSION, IF_FEATURE_TAR_TO_COMMAND(OPTBIT_2COMMAND ,) OPTBIT_NUMERIC_OWNER, @@ -879,12 +883,13 @@ enum { OPT_GZIP = IF_FEATURE_SEAMLESS_GZ( (1 << OPTBIT_GZIP )) + 0, // z OPT_XZ = IF_FEATURE_SEAMLESS_XZ( (1 << OPTBIT_XZ )) + 0, // J OPT_COMPRESS = IF_FEATURE_SEAMLESS_Z( (1 << OPTBIT_COMPRESS )) + 0, // Z - OPT_NOPRESERVE_TIME = IF_FEATURE_TAR_NOPRESERVE_TIME((1 << OPTBIT_NOPRESERVE_TIME)) + 0, // m - OPT_NORECURSION = IF_FEATURE_TAR_LONG_OPTIONS((1 << OPTBIT_NORECURSION )) + 0, // no-recursion - OPT_2COMMAND = IF_FEATURE_TAR_TO_COMMAND( (1 << OPTBIT_2COMMAND )) + 0, // to-command - OPT_NUMERIC_OWNER = IF_FEATURE_TAR_LONG_OPTIONS((1 << OPTBIT_NUMERIC_OWNER )) + 0, // numeric-owner - OPT_NOPRESERVE_PERM = IF_FEATURE_TAR_LONG_OPTIONS((1 << OPTBIT_NOPRESERVE_PERM)) + 0, // no-same-permissions - OPT_OVERWRITE = IF_FEATURE_TAR_LONG_OPTIONS((1 << OPTBIT_OVERWRITE )) + 0, // overwrite + OPT_NOPRESERVE_TIME = IF_FEATURE_TAR_NOPRESERVE_TIME((1 << OPTBIT_NOPRESERVE_TIME)) + 0, // m + OPT_STRIP_COMPONENTS = IF_FEATURE_TAR_LONG_OPTIONS((1 << OPTBIT_STRIP_COMPONENTS)) + 0, // strip-components + OPT_NORECURSION = IF_FEATURE_TAR_LONG_OPTIONS((1 << OPTBIT_NORECURSION )) + 0, // no-recursion + OPT_2COMMAND = IF_FEATURE_TAR_TO_COMMAND( (1 << OPTBIT_2COMMAND )) + 0, // to-command + OPT_NUMERIC_OWNER = IF_FEATURE_TAR_LONG_OPTIONS((1 << OPTBIT_NUMERIC_OWNER )) + 0, // numeric-owner + OPT_NOPRESERVE_PERM = IF_FEATURE_TAR_LONG_OPTIONS((1 << OPTBIT_NOPRESERVE_PERM)) + 0, // no-same-permissions + OPT_OVERWRITE = IF_FEATURE_TAR_LONG_OPTIONS((1 << OPTBIT_OVERWRITE )) + 0, // overwrite OPT_ANY_COMPRESS = (OPT_BZIP2 | OPT_LZMA | OPT_GZIP | OPT_XZ | OPT_COMPRESS), }; @@ -928,6 +933,7 @@ static const char tar_longopts[] ALIGN1 = # if ENABLE_FEATURE_TAR_NOPRESERVE_TIME "touch\0" No_argument "m" # endif + "strip-components\0" Required_argument "\xf9" "no-recursion\0" No_argument "\xfa" # if ENABLE_FEATURE_TAR_TO_COMMAND "to-command\0" Required_argument "\xfb" @@ -973,11 +979,15 @@ int tar_main(int argc UNUSED_PARAM, char **argv) "tt:vv:" // count -t,-v IF_FEATURE_TAR_FROM("X::T::") // cumulative lists #if ENABLE_FEATURE_TAR_LONG_OPTIONS && ENABLE_FEATURE_TAR_FROM - "\xff::" // cumulative lists for --exclude + "\xff::" // --exclude=PATTERN is a list #endif IF_FEATURE_TAR_CREATE("c:") "t:x:" // at least one of these is reqd IF_FEATURE_TAR_CREATE("c--tx:t--cx:x--ct") // mutually exclusive - IF_NOT_FEATURE_TAR_CREATE("t--x:x--t"); // mutually exclusive + IF_NOT_FEATURE_TAR_CREATE("t--x:x--t") // mutually exclusive +#if ENABLE_FEATURE_TAR_LONG_OPTIONS + ":\xf9+" // --strip-components=NUM +#endif + ; #if ENABLE_FEATURE_TAR_LONG_OPTIONS applet_long_options = tar_longopts; #endif @@ -1018,10 +1028,14 @@ int tar_main(int argc UNUSED_PARAM, char **argv) IF_FEATURE_SEAMLESS_XZ( "J" ) IF_FEATURE_SEAMLESS_Z( "Z" ) IF_FEATURE_TAR_NOPRESERVE_TIME("m") + IF_FEATURE_TAR_LONG_OPTIONS("\xf9:") // --strip-components , &base_dir // -C dir , &tar_filename // -f filename IF_FEATURE_TAR_FROM(, &(tar_handle->accept)) // T IF_FEATURE_TAR_FROM(, &(tar_handle->reject)) // X +#if ENABLE_FEATURE_TAR_LONG_OPTIONS + , &tar_handle->tar__strip_components // --strip-components +#endif IF_FEATURE_TAR_TO_COMMAND(, &(tar_handle->tar__to_command)) // --to-command #if ENABLE_FEATURE_TAR_LONG_OPTIONS && ENABLE_FEATURE_TAR_FROM , &excludes // --exclude @@ -1029,11 +1043,49 @@ int tar_main(int argc UNUSED_PARAM, char **argv) , &verboseFlag // combined count for -t and -v , &verboseFlag // combined count for -t and -v ); - //bb_error_msg("opt:%08x", opt); +#if DBG_OPTION_PARSING + bb_error_msg("opt: 0x%08x", opt); +# define showopt(o) bb_error_msg("opt & %s(%x): %x", #o, o, opt & o); + showopt(OPT_TEST ); + showopt(OPT_EXTRACT ); + showopt(OPT_BASEDIR ); + showopt(OPT_TARNAME ); + showopt(OPT_2STDOUT ); + showopt(OPT_NOPRESERVE_OWNER); + showopt(OPT_P ); + showopt(OPT_VERBOSE ); + showopt(OPT_KEEP_OLD ); + showopt(OPT_CREATE ); + showopt(OPT_DEREFERENCE ); + showopt(OPT_BZIP2 ); + showopt(OPT_LZMA ); + showopt(OPT_INCLUDE_FROM ); + showopt(OPT_EXCLUDE_FROM ); + showopt(OPT_GZIP ); + showopt(OPT_XZ ); + showopt(OPT_COMPRESS ); + showopt(OPT_NOPRESERVE_TIME ); + showopt(OPT_STRIP_COMPONENTS); + showopt(OPT_NORECURSION ); + showopt(OPT_2COMMAND ); + showopt(OPT_NUMERIC_OWNER ); + showopt(OPT_NOPRESERVE_PERM ); + showopt(OPT_OVERWRITE ); + showopt(OPT_ANY_COMPRESS ); + bb_error_msg("base_dir:'%s'", base_dir); + bb_error_msg("tar_filename:'%s'", tar_filename); + bb_error_msg("verboseFlag:%d", verboseFlag); + bb_error_msg("tar_handle->tar__to_command:'%s'", tar_handle->tar__to_command); + bb_error_msg("tar_handle->tar__strip_components:%u", tar_handle->tar__strip_components); + return 0; +# undef showopt +#endif argv += optind; - if (verboseFlag) tar_handle->action_header = header_verbose_list; - if (verboseFlag == 1) tar_handle->action_header = header_list; + if (verboseFlag) + tar_handle->action_header = header_verbose_list; + if (verboseFlag == 1) + tar_handle->action_header = header_list; if (opt & OPT_EXTRACT) tar_handle->action_data = data_extract_all; |