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| * scripts/kconfig/mconf.c: survive is SIGWINCH is not definedDenys Vlasenko2018-04-061-0/+4
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * i386: make stack size optimization selectable, and allow i486 insns (bswap)Denys Vlasenko2018-04-062-1/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It's hard to imagine someone still using non-bswap equipped CPU function old new delta xmalloc_optname_optval 888 879 -9 write_leases 214 205 -9 write32 36 27 -9 update_status 612 603 -9 udhcpd_main 1468 1459 -9 udhcpc_main 2708 2699 -9 udhcp_run_script 804 795 -9 sha256_process_block64 423 414 -9 sha1_process_block64 337 328 -9 sha1_end 80 71 -9 send_ACK 161 152 -9 select_lease_time 64 55 -9 rpm_getint 118 109 -9 readprofile_main 1719 1710 -9 read32 33 24 -9 rdate_main 236 227 -9 machtime 39 30 -9 inet_addr_match 103 94 -9 get_prefix 344 335 -9 f_write32 31 22 -9 f_read32 31 22 -9 dumpleases_main 620 611 -9 KeyExpansion 197 188 -9 udhcp_str2optset 536 518 -18 read_config 222 204 -18 lfp_to_d 55 37 -18 ipaddr_modify 1226 1208 -18 dnsd_main 1278 1260 -18 des_crypt 1344 1326 -18 d_to_lfp 106 88 -18 bb_bswap_64 29 11 -18 INET_setroute 827 809 -18 read_leases 330 309 -21 zcip_main 1256 1229 -27 send_offer 476 449 -27 ipcalc_main 534 507 -27 handle_incoming_and_exit 2821 2794 -27 fmt_time_bernstein_25 131 104 -27 common_traceroute_main 3804 3768 -36 rpm_gettags 451 397 -54 parse_args 1412 1358 -54 volume_id_probe_hfs_hfsplus 627 564 -63 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/42 up/down: 0/-732) Total: -732 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * placate gcc-8.0.1 warningsDenys Vlasenko2018-04-062-3/+5
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * hush: fix "unset PS1/PS2", and put them into initial variable setDenys Vlasenko2018-04-062-30/+37
| | | | | | | | | | | | | | | | | | | | | | | | | | | | "unset PS1/PS2" causes prompts to be empty strings function old new delta hush_main 1031 1089 +58 goto_new_line 27 33 +6 fgetc_interactive 244 245 +1 unset_local_var 155 149 -6 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/1 up/down: 65/-6) Total: 59 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * sort: smaller and more agressive FEATURE_SORT_OPTIMIZE_MEMORYDenys Vlasenko2018-04-061-12/+12
| | | | | | | | | | | | | | function old new delta sort_main 1098 1037 -61 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * hush: if we did match "LINENO" or "OPTIND", stop further comparisonsDenys Vlasenko2018-04-061-2/+6
| | | | | | | | | | | | | | function old new delta handle_changed_special_names 99 101 +2 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * hush: consolidate handling of setting/unsetting of PSn, LINENO, OPTINDDenys Vlasenko2018-04-061-29/+30
| | | | | | | | | | | | | | | | | | | | | | function old new delta handle_changed_special_names - 99 +99 unset_local_var 256 155 -101 set_local_var 557 437 -120 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/2 up/down: 99/-221) Total: -122 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * hush: update to correctly handle changed var_bash[346].testsDenys Vlasenko2018-04-051-6/+6
| | | | | | | | | | | | | | function old new delta expand_one_var 1612 1604 -8 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * hush: implement "hush -s"Denys Vlasenko2018-04-052-9/+9
| | | | | | | | | | | | | | | | | | | | function old new delta hush_main 1015 1031 +16 packed_usage 32757 32745 -12 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/1 up/down: 16/-12) Total: 4 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * placate gcc 8.0.1 sprintf overflow warnings in config toolsDenys Vlasenko2018-04-051-1/+3
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * hush: fix a few more corner cases with empty-expanding `cmds`Denys Vlasenko2018-04-055-8/+46
| | | | | | | | | | | | | | | | | | See added testcases function old new delta run_pipe 1723 1784 +61 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * hush: fix corner cases with exec in empty expansionsDenys Vlasenko2018-04-055-17/+35
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Cases like these: var=val exec >redir var=val `` >redir function old new delta run_pipe 1701 1723 +22 redirect_and_varexp_helper 56 55 -1 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/1 up/down: 22/-1) Total: 21 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * hush: less mind-bending set_vars_and_save_old()Denys Vlasenko2018-04-051-71/+101
| | | | | | | | | | | | | | | | | | | | | | | | | | | | function old new delta run_pipe 1651 1701 +50 set_local_var 510 557 +47 pseudo_exec_argv 544 581 +37 redirect_and_varexp_helper 64 56 -8 set_vars_and_save_old 164 149 -15 unset_local_var 274 256 -18 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/3 up/down: 134/-41) Total: 93 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * hush: "no logic changes" in last commit was not true, fix it upDenys Vlasenko2018-04-051-1/+2
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * hush: make run_pipe code simpler to understand, no logic changesDenys Vlasenko2018-04-051-66/+57
| | | | | | | | | | | | | | function old new delta run_pipe 1641 1651 +10 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * hush: fix a bug where we don't properly handle f() { a=A; b=B; }; a= fDenys Vlasenko2018-04-055-82/+93
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | function old new delta unset_local_var 20 274 +254 leave_var_nest_level - 98 +98 set_vars_and_save_old 128 164 +36 enter_var_nest_level - 32 +32 builtin_local 46 50 +4 pseudo_exec_argv 554 544 -10 redirect_and_varexp_helper 77 64 -13 run_pipe 1890 1641 -249 unset_local_var_len 267 - -267 ------------------------------------------------------------------------------ (add/remove: 2/1 grow/shrink: 3/3 up/down: 424/-539) Total: -115 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * hush: make var nesting code independent of "local" supportDenys Vlasenko2018-04-041-40/+61
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Also, add code to abort at ~65000 function recursion depth. SEGVing is not as nice as exiting with a message (and restoring termios!): $ f() { echo -n .; f; }; f ....<many dots later>....hush: fatal recursion (depth 65281) function old new delta run_pipe 1826 1890 +64 pseudo_exec_argv 544 554 +10 parse_and_run_file 71 80 +9 i_getch 104 107 +3 done_command 99 102 +3 set_local_var 508 510 +2 helper_export_local 214 215 +1 builtin_local 49 46 -3 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 7/1 up/down: 92/-3) Total: 89 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * hush: fix for readonly vars in "ro=A ro=B cmd" caseDenys Vlasenko2018-04-043-13/+21
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * sort: move misplaced commentDenys Vlasenko2018-04-041-2/+2
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * sort: FEATURE_SORT_OPTIMIZE_MEMORYDenys Vlasenko2018-04-041-6/+80
| | | | | | | | | | | | | | | | | | | | | | | | | | | | On sorting all kernel/linux/arch/ *.[ch] files, this reduces memory usage by 6%. yes | head -99999999 | sort goes down from 1900Mb to 380 Mb. function old new delta sort_main 862 1098 +236 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * ash: unbreak PS1 parsing after "ash: parser: Add syntax stack..." commitDenys Vlasenko2018-04-041-1/+3
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * hush: support "f() (cmd)" functionsDenys Vlasenko2018-04-036-40/+59
| | | | | | | | | | | | | | | | | | Many other shells support this construct function old new delta parse_stream 2950 3018 +68 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * hush: fix mishandling of "true | f() { echo QWE; }"Denys Vlasenko2018-04-031-0/+9
| | | | | | | | | | | | | | function old new delta run_pipe 1820 1826 +6 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * hush: fix "set -e; false || x=1; echo OK"Denys Vlasenko2018-04-035-7/+43
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * hush: one-word, no-globbing handling of local/export/readonly argsDenys Vlasenko2018-04-031-21/+32
| | | | | | | | | | | | | | function old new delta done_word 738 790 +52 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * ash: parser: Fix parameter expansion inside inner double quotesDenys Vlasenko2018-04-023-2/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Upstream email: parser: Fix parameter expansion inside inner double quotes The parsing of parameter expansion inside inner double quotes breaks because we never look for ENDVAR while innerdq is true. echo "${x#"${x+''}"''} This patch fixes it by pushing the syntax stack if innerdq is true and we enter a new parameter expansion. This patch also fixes a corner case where a bad substitution error occurs within arithmetic expansion. Reported-by: Denys Vlasenko <vda.linux@googlemail.com> Fixes: ab1cecb40478 (" parser: Add syntax stack for recursive...") Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> function old new delta readtoken1 2880 2898 +18 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * hush: fix a backslash-removal bug in caseDenys Vlasenko2018-04-025-3/+37
| | | | | | | | | | | | | | function old new delta run_list 1270 1053 -217 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * ash: expand: Fix bugs with words connected to the right of $@Denys Vlasenko2018-04-025-4/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Upstream email: This is actually composed of two bugs. First of all our tracking of quotemark is wrong so anything after "$@" becomes quoted. Once we fix that then the problem is that the first space character after "$@" is not recognised as an IFS. This patch fixes both. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * ash: redir: Fix typo in noclobber codeDenys Vlasenko2018-04-021-1/+1
| | | | | | | | | | | | Upstream commit "redir: Fix typo in noclobber code" Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * ash: parser: Fix single-quoted patterns in here-documentsDenys Vlasenko2018-04-023-1/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Upstream commit: From: Herbert Xu <herbert@gondor.apana.org.au> Date: Fri, 9 Mar 2018 23:07:53 +0800 parser: Fix single-quoted patterns in here-documents The script x=* cat <<- EOF ${x#'*'} EOF prints * instead of nothing as it should. The problem is that when we're in sqsyntax context in a here-document, we won't add CTLESC as we should. This patch fixes it: Reported-by: Harald van Dijk <harald@gigawatt.nl> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * hush: remove stray debugging printoutDenys Vlasenko2018-04-021-1/+0
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * ash: parser: Add syntax stack for recursive parsingDenys Vlasenko2018-04-0219-121/+168
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This closes 10821. Upstream patch: From: Herbert Xu <herbert@gondor.apana.org.au> Date: Fri, 9 Mar 2018 00:14:02 +0800 parser: Add syntax stack for recursive parsing Without a stack of syntaxes we cannot correctly these two cases together: "${a#'$$'}" "${a#"${b-'$$'}"}" A recursive parser also helps in some other corner cases such as nested arithmetic expansion with paratheses. This patch adds a syntax stack allocated from the stack using alloca. As a side-effect this allows us to remove the naked backslashes for patterns within double-quotes, which means that EXP_QPAT also has to go. This patch also fixes removes any backslashes that precede right braces when they are present within a parameter expansion context, and backslashes that precede double quotes within inner double quotes inside a parameter expansion in a here-document context. The idea of a recursive parser is based on a patch by Harald van Dijk. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> var_bash3, var_bash4 and var_bash6 tests are updated with the output given by bash-4.3.43 With this patch, the following tests now pass for ash: dollar_repl_slash_bash2.tests squote_in_varexp2.tests squote_in_varexp.tests var_bash4.tests function old new delta readtoken1 2615 2874 +259 synstack_push - 54 +54 evalvar 574 571 -3 rmescapes 330 310 -20 subevalvar 1279 1258 -21 argstr 1146 1107 -39 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 1/4 up/down: 313/-83) Total: 230 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* | libarchive: failure to extract symlink isn't fatalRon Yorston2018-04-092-1/+13
| | | | | | | | | | | | | | | | Recent upstream changes made the failure of symlink(2) when extracting from an archive a fatal error. The busybox-w32 implementation of symlink(2) always fails. Just issue a warning and move on.
* | win32: more backslash to slash conversionsRon Yorston2018-04-082-1/+5
| | | | | | | | | | | | | | | | | | Convert backslashes to slashes: - in the main program's argv[0] - in the shell's file argument Also, fix the code to remove the .exe extension from argv[0] in the main program.
* | pipe_progress: add help textRon Yorston2018-04-081-2/+4
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* | win32: don't leak pipe data structuresRon Yorston2018-04-071-58/+66
| | | | | | | | | | | | | | | | | | | | | | | | popen uses an array of pipe_data structures to record information that's later used by pclose. pclose releases the structure after use. The lower-level pipe function mingw_popen_fd was also using this array of structures but didn't provide any way to release them. Avoid this leak by letting mingw_popen_fd use a local structure instead.
* | ps: indicate forkshell processes in listingRon Yorston2018-04-052-4/+5
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* | win32: exclude termios codeRon Yorston2018-04-056-21/+26
| | | | | | | | | | The code to manipulate terminal settings serves no purpose in WIN32. Use conditional compilation to exclude much of it.
* | vi: turn off FEATURE_VI_ASK_TERMINAL in the default configurationRon Yorston2018-04-052-2/+2
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* | ash: emulate raw input to read builtinRon Yorston2018-04-051-2/+36
| | | | | | | | | | | | | | | | | | | | | | | | | | Use read_key to emulate raw input when reading from the console. Limit this to cases where raw input is necessary: - a maximum number of characters is to be read (-n) - a timeout has been specified (-t) - a non-standard delimiter is in use (-d) This should fix GitHub issue #112 (and other things too!). Also, omit sections of code that serve no purpose on WIN32.
* | win32: ensure timeout works in read_keyRon Yorston2018-04-051-4/+4
| | | | | | | | | | | | Move the wait for timeout into the while loop of read_key. Otherwise the timeout won't be checked after any event that doesn't result in a value being returned.
* | ps: obtain applet names from other BusyBox processesRon Yorston2018-04-046-42/+104
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove the code which passed applet names to child processes using environment variables. This only allowed ps to display names for its ancestors. Instead attempt to read applet names from the memory of unrelated processes. The Microsoft documentation alone wasn't enough to figure out how to do this. Additional hints from: https://stackoverflow.com/questions/4298331/exe-or-dll-image-base-address https://stackoverflow.com/questions/14467229/get-base-address-of-process
* | fsync: avoid a gratuitous difference from upstreamRon Yorston2018-04-032-3/+1
| | | | | | | | | | Move the definition of O_NOCTTY to mingw.h so that fsync.c is the same as upstream.
* | ttysize: enable in default configurationRon Yorston2018-04-032-2/+2
| | | | | | | | | | | | | | | | | | | | Previously $ HEIGHT=$(ttysize h) would always return a default height of 24 because stdout wasn't connected to a console. Now that get_terminal_width_height also checks stderr the above works.
* | win32: improvements to get_terminal_width_heightRon Yorston2018-04-034-20/+25
| | | | | | | | | | | | | | | | - move winansi_get_terminal_width_height from winansi.c to ioctl.c, the only caller; - check both stdout and stderr for a connection to a console; - omit unnecessary code in get_terminal_width_height (because the WIN32 implementation ignores the file descriptor).
* | win32: simplify isatty replacementRon Yorston2018-04-031-5/+1
| | | | | | | | | | Don't treat input and output file descriptors differently: if we aren't connected to a console GetConsoleMode will fail for either.
* | ash: reinstate applet name variable after forkshellRon Yorston2018-04-033-6/+16
| | | | | | | | | | | | When 'sh --forkshell' is invoked the BB_APPLET_<pid> environment variable is set, but then it's cleared when the environment of the child process is restored. Reinstate it in reinitvar.
* | ash: minor forkshell fixesRon Yorston2018-04-021-7/+5
| | | | | | | | | | | | | | | | - update forkshell_evalbackcmd to match the non-MinGW code; - increase the size of the buffer to hold the forkshell handle for 64-bit machines; - use memcpy to copy the globals_var structure to avoid copying bits by hand.
* | Update default configurationsRon Yorston2018-04-022-2/+4
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* | Merge branch 'busybox' into mergeRon Yorston2018-04-0270-187/+799
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