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2018-04-08lzop: code shrink by using header_t matching on-disk layoutDenys Vlasenko
function old new delta add_bytes_to_chksum 37 47 +10 lzo_decompress 524 532 +8 init_chksum 14 21 +7 chksum_getresult 13 17 +4 f_read 33 28 -5 f_write8 20 - -20 f_write32 22 - -22 f_write16 25 - -25 f_write 36 - -36 do_lzo_compress 328 232 -96 do_lzo_decompress 526 411 -115 ------------------------------------------------------------------------------ (add/remove: 0/4 grow/shrink: 4/3 up/down: 29/-319) Total: -290 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-07tar: trim help textDenys Vlasenko
Usage: tar c|x|t [-ZzJjahmvokO] [-f TARFILE] [-C DIR] [-T FILE] [-X FILE] [--exclude PATTERN]... [FILE]... Create, extract, or list files from a tar file Operation: <============== DELETED c Create x Extract t List -f FILE Name of TARFILE ('-' for stdin/out) -C DIR Change to DIR before operation -v Verbose -O Extract to stdout -m Don't restore mtime -o Don't restore user:group -k Don't replace existing files -Z (De)compress using compress -z (De)compress using gzip -J (De)compress using xz -j (De)compress using bzip2 -a (De)compress using lzma -h Follow symlinks -T FILE File with names to include -X FILE File with glob patterns to exclude --exclude PATTERN Glob pattern to exclude Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-07hush: fix prompt in multi-line $(())Denys Vlasenko
Now shows PS2 in this case: /path/to/dir $ a=b; echo $(( > _ Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-07libbb: switch bb_ask_noecho() to "mallocing" string return APIDenys Vlasenko
function old new delta bb_ask_noecho 313 330 +17 get_cred_or_die 125 115 -10 passwd_main 995 958 -37 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/2 up/down: 17/-47) Total: -30 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-07xargs: use bb_ask_y_confirmation_FILE() instead of homegrown copyDenys Vlasenko
function old new delta bb_ask_y_confirmation_FILE - 83 +83 inetd_main 2033 2043 +10 udhcp_send_kernel_packet 295 301 +6 rmescapes 306 310 +4 send_tree 353 355 +2 i2cdetect_main 674 672 -2 confirm_or_abort 43 38 -5 get_terminal_width_height 242 234 -8 bb_ask_y_confirmation 76 10 -66 xargs_main 823 755 -68 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 4/5 up/down: 105/-149) Total: -44 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-07libbb: rename bb_ask -> bb_ask_noecho, bb_ask_confirmation -> ↵Denys Vlasenko
bb_ask_y_confirmation Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-07telnet: move winsize detection closer to I/O loop, delete non-functioning ↵Denys Vlasenko
debug code Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-07ftpd: allow -A if !FTPD_AUTHENTICATION as wellDenys Vlasenko
Users will be able to use "ftpd -A" in scripts regardless of build config Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-07ftpd: added -A option to disable all authentication, closes 10921Denys Vlasenko
function old new delta packed_usage 32745 32777 +32 ftpd_main 2162 2156 -6 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/1 up/down: 32/-6) Total: 26 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-07wget,ftpd: shorten and reuse stringsDenys Vlasenko
function old new delta wget_main 2382 2386 +4 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/0 up/down: 4/0) Total: 4 bytes text data bss dec hex filename 934228 477 7296 942001 e5fb1 busybox_old 934202 477 7296 941975 e5f97 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-07httpd: do not default to Content-type: application/octet-streamDenys Vlasenko
Instead, simply don't send this header. On Mon, Apr 2, 2018 at 8:17 PM, xisd <xisd-dev@riseup.net> wrote: > I had some trouble using busybox httpd to serve a static website and I > thought the issue might be of interest. > > My problem is related to something that seem quite common for static > site generator : the use of html files without the '.html' extension > (it is called 'clean url'...) > > Most web server guess that these files are html and display them like > any other .html files. > > From what I understood, the MIME type for files without extension in > busybox htttp default settings is 'application/octet-stream', and > because of that 'clean url' pages are not displayed. > > It is only trouble because I wanted to deploy my website on freshly > installed linux without editing any configuration. > > The default MIME setting make sense to me as it is, I just thought that > might be worth mentioning since the use of 'clean url' seem to be a > common practice for static sites generators (the one I use is callled > 'yellow' (https://github.com/datenstrom/yellow)) > > Here is a link for the related issue on github : > https://github.com/datenstrom/yellow/issues/317 function old new delta send_headers 702 718 +16 send_headers_and_exit 23 20 -3 handle_incoming_and_exit 2794 2791 -3 send_file_and_exit 772 756 -16 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/3 up/down: 16/-22) Total: -6 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-06scripts/kconfig/mconf.c: survive is SIGWINCH is not definedDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-06i386: make stack size optimization selectable, and allow i486 insns (bswap)Denys Vlasenko
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>
2018-04-06placate gcc-8.0.1 warningsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-06hush: fix "unset PS1/PS2", and put them into initial variable setDenys Vlasenko
"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>
2018-04-06sort: smaller and more agressive FEATURE_SORT_OPTIMIZE_MEMORYDenys Vlasenko
function old new delta sort_main 1098 1037 -61 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-06hush: if we did match "LINENO" or "OPTIND", stop further comparisonsDenys Vlasenko
function old new delta handle_changed_special_names 99 101 +2 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-06hush: consolidate handling of setting/unsetting of PSn, LINENO, OPTINDDenys Vlasenko
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>
2018-04-05hush: update to correctly handle changed var_bash[346].testsDenys Vlasenko
function old new delta expand_one_var 1612 1604 -8 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-05hush: implement "hush -s"Denys Vlasenko
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>
2018-04-05placate gcc 8.0.1 sprintf overflow warnings in config toolsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-05hush: fix a few more corner cases with empty-expanding `cmds`Denys Vlasenko
See added testcases function old new delta run_pipe 1723 1784 +61 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-05hush: fix corner cases with exec in empty expansionsDenys Vlasenko
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>
2018-04-05hush: less mind-bending set_vars_and_save_old()Denys Vlasenko
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>
2018-04-05hush: "no logic changes" in last commit was not true, fix it upDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-05hush: make run_pipe code simpler to understand, no logic changesDenys Vlasenko
function old new delta run_pipe 1641 1651 +10 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-05hush: fix a bug where we don't properly handle f() { a=A; b=B; }; a= fDenys Vlasenko
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>
2018-04-04hush: make var nesting code independent of "local" supportDenys Vlasenko
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>
2018-04-04hush: fix for readonly vars in "ro=A ro=B cmd" caseDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-04sort: move misplaced commentDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-04sort: FEATURE_SORT_OPTIMIZE_MEMORYDenys Vlasenko
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>
2018-04-04ash: unbreak PS1 parsing after "ash: parser: Add syntax stack..." commitDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-03hush: support "f() (cmd)" functionsDenys Vlasenko
Many other shells support this construct function old new delta parse_stream 2950 3018 +68 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-03hush: fix mishandling of "true | f() { echo QWE; }"Denys Vlasenko
function old new delta run_pipe 1820 1826 +6 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-03hush: fix "set -e; false || x=1; echo OK"Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-03hush: one-word, no-globbing handling of local/export/readonly argsDenys Vlasenko
function old new delta done_word 738 790 +52 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-02ash: parser: Fix parameter expansion inside inner double quotesDenys Vlasenko
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>
2018-04-02hush: fix a backslash-removal bug in caseDenys Vlasenko
function old new delta run_list 1270 1053 -217 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-02ash: expand: Fix bugs with words connected to the right of $@Denys Vlasenko
Upstream email: This is actually composed of two bugs. First of all our tracking of quotemark is wrong so anything after "$@" 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>
2018-04-02ash: redir: Fix typo in noclobber codeDenys Vlasenko
Upstream commit "redir: Fix typo in noclobber code" Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-02ash: parser: Fix single-quoted patterns in here-documentsDenys Vlasenko
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 ${x#'*'} EOF prints * instead of nothing as it should. The problem is that when we're in sqsyntax context in a here-document, we won't add CTLESC as we should. This patch fixes it: Reported-by: Harald van Dijk <harald@gigawatt.nl> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-02hush: remove stray debugging printoutDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-02ash: parser: Add syntax stack for recursive parsingDenys Vlasenko
This closes 10821. Upstream patch: From: Herbert Xu <herbert@gondor.apana.org.au> Date: Fri, 9 Mar 2018 00:14:02 +0800 parser: Add syntax stack for recursive parsing Without a stack of syntaxes we cannot correctly these two cases together: "${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>
2018-04-01hush: update information comment about heredoc discrepancyDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-01libbb: new function bb_die_memory_exhaustedDenys Vlasenko
function old new delta bb_die_memory_exhausted - 10 +10 xstrdup 28 23 -5 xsetenv 27 22 -5 xrealloc 32 27 -5 xputenv 22 17 -5 xmalloc 30 25 -5 xfdopen_helper 40 35 -5 xasprintf 44 39 -5 wget_main 2387 2382 -5 open_socket 54 49 -5 glob_brace 419 414 -5 bb_get_chunk_from_file 146 141 -5 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/11 up/down: 10/-55) Total: -45 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-01sed: prevent overflow of length from bb_get_chunk_from_fileQuentin Rameau
This fragment did not work right: temp = bb_get_chunk_from_file(fp, &len); if (temp) { /* len > 0 here, it's ok to do temp[len-1] */ char c = temp[len-1]; With "int len" _sign-extending_, temp[len-1] can refer to a wrong location if len > 0x7fffffff. Signed-off-by: Quentin Rameau <quinq@fifth.space> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-01libbb: remove unnecessary variable in xmalloc_fgetsQuentin Rameau
Signed-off-by: Quentin Rameau <quinq@fifth.space> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-01hush: add a comment where we differ from bash wrt heredoc EOF mark handlingDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-01parser: Fix backquote support in here-document EOF markDenys Vlasenko
Upstream commit: Author: Herbert Xu <herbert@gondor.apana.org.au> Date: Thu Mar 15 18:27:30 2018 +0800 parser: Fix backquote support in here-document EOF mark Currently using backquotes in a here-document EOF mark is broken because dash tries to do command substitution on it. This patch fixes it by checking whether we're looking for an EOF mark during tokenisation. Reported-by: Harald van Dijk <harald@gigawatt.nl> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> With added fix for quoted-ness of the EOF mark. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-01ash,hush: handle a few more bkslash-newline casesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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