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* shell: remove lash and bbshDenys Vlasenko2010-09-061-19/+0
| | | | Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
* hush: big reordering: move parser functions to the beginning. no code changesDenys Vlasenko2010-09-051-2042/+2042
| | | | Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
* hush: rename o_quoted to has_quoted_part; small code shrinkDenys Vlasenko2010-09-051-26/+33
| | | | Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
* hush: move variable expansion into a separate function. No logic changesDenys Vlasenko2010-09-051-249/+264
| | | | | | | | | | function old new delta expand_one_var - 1551 +1551 expand_vars_to_list 2833 1175 -1658 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/1 up/down: 1551/-1658) Total: -107 bytes Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
* hush: add support for ${var/pattern/repl}, conditional on bash compatDenys Vlasenko2010-09-051-29/+150
| | | | | | | | | | | | function old new delta expand_vars_to_list 2386 2833 +447 expand_string_to_string 69 110 +41 parse_dollar 681 721 +40 hush_main 963 945 -18 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/1 up/down: 528/-18) Total: 510 bytes Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
* hush: optimize #[#] and %[%] for speed. size -2 bytes.Denys Vlasenko2010-09-041-12/+10
| | | | Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
* hush: fix handling of backslashes in variable assignmentDenys Vlasenko2010-09-041-19/+24
| | | | Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
* *: make GNU licensing statement forms more regularDenys Vlasenko2010-08-161-1/+1
| | | | | | | This change retains "or later" state! No licensing _changes_ here, only form is adjusted (article, space between "GPL" and "v2" and so on). Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* *: s/xatoi_u/xatoi_positive/g - I got bored of mistyping xatoi_u as xatou_iDenys Vlasenko2010-08-121-1/+1
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* *: mass cosmetic removal of extra empty lines. no code changesDenys Vlasenko2010-07-261-1/+0
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* ash: fix $! value when traps are setAlexander Shishkin2010-07-251-2/+2
| | | | | Signed-off-by: Alexander Shishkin <virtuoso@slind.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: move msh/lash config into hush.c, no code changesDenys Vlasenko2010-07-161-0/+14
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* ash: move config stuff into ash.c, no code chagesDenys Vlasenko2010-07-161-1/+1
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: fix multimple dependent variable expansion casesDenys Vlasenko2010-07-161-28/+80
| | | | | | | | | | | | | | | | function old new delta get_local_var_value 100 171 +71 expand_assignments 46 76 +30 reset_traps_to_defaults 229 238 +9 maybe_set_to_sigexit 47 50 +3 init_sigmasks 211 214 +3 builtin_trap 462 465 +3 expand_vars_to_list 2412 2408 -4 run_pipe 1568 1533 -35 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 6/2 up/down: 119/-39) Total: 80 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: make set -x support optionalDenys Vlasenko2010-07-161-8/+147
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: add support for set -xDenys Vlasenko2010-07-161-1/+39
| | | | | | | | | | | | | | | function old new delta run_pipe 1442 1568 +126 dump_cmd_in_x_mode - 126 +126 builtin_trap 441 462 +21 pseudo_exec_argv 171 187 +16 reset_traps_to_defaults 214 229 +15 check_and_run_traps 227 232 +5 hush_exit 98 101 +3 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 6/0 up/down: 312/0) Total: 312 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: fix typo in commentDenys Vlasenko2010-07-151-1/+1
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: fix faloout from previous commitDenys Vlasenko2010-07-151-14/+12
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: make pun_pipe loop clearer; fix "cmd | var=`cmd` | cmd" handlingDenys Vlasenko2010-07-141-16/+26
| | | | | | | | | | | function old new delta free_strings - 38 +38 pseudo_exec_argv 161 171 +10 free_pipe 227 205 -22 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 1/1 up/down: 48/-22) Total: 26 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* randomconfig fixesDenys Vlasenko2010-07-051-5/+13
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* *: introduce and use xfork() and xvfork()Pascal Bellard2010-07-041-11/+4
| | | | | | | | | | | | | | | | function old new delta launch_helper 170 169 -1 setup_heredoc 312 302 -10 handle_dir_common 367 354 -13 expand_vars_to_list 2456 2443 -13 open_transformer 89 74 -15 data_extract_to_command 439 423 -16 do_ipaddr 1406 1389 -17 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/7 up/down: 0/-85) Total: -85 bytes Signed-off-by: Pascal Bellard <pascal.bellard@ads-lu.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* build system: do not rebuild ash and hush on any change to any .c fileDenys Vlasenko2010-06-261-3/+1
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* A few minor portability improvementsDan Fandrich2010-06-191-1/+1
| | | | | Signed-off-by: Dan Fandrich <dan@coneharvesters.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* bbconfig: make it independent from printf functionsDenys Vlasenko2010-06-071-1/+1
| | | | | | | | | | | | | | function old new delta full_write2_str - 25 +25 full_write1_str - 25 +25 clear_main 21 20 -1 telnet_main 1488 1477 -11 getty_main 1932 1918 -14 full_write22_str 25 - -25 ------------------------------------------------------------------------------ (add/remove: 2/1 grow/shrink: 0/3 up/down: 50/-51) Total: -1 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* shell: consolidate builtin_foo.? into shell_common.?; delete obsolete shellsDenys Vlasenko2010-05-231-2/+0
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: trivial code shrinkDenys Vlasenko2010-05-221-20/+21
| | | | | | | function old new delta static_get 26 22 -4 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: reduce #ifdef forest a bit, rename handle_dollar -> parse_dollarDenys Vlasenko2010-05-221-25/+20
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: fix hush -c 'echo $0' - was showing empty stringDenys Vlasenko2010-05-221-0/+1
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: fix segfault in ${?:N:M}Denys Vlasenko2010-05-221-34/+47
| | | | | | | | | | | function old new delta expand_vars_to_list 2374 2409 +35 builtin_umask 132 133 +1 builtin_exit 47 48 +1 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/0 up/down: 37/0) Total: 37 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: fix "hush -c 'echo $#'" showing -1Denys Vlasenko2010-05-221-1/+0
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: support ${var:EXPR:EXPR}!Denys Vlasenko2010-05-221-42/+88
| | | | | | | | | | | | | function old new delta handle_dollar 574 681 +107 expand_and_evaluate_arith - 77 +77 expand_vars_to_list 2302 2374 +72 add_till_closing_bracket 359 368 +9 builtin_exit 48 47 -1 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 3/1 up/down: 265/-1) Total: 264 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: fix a nommu todo in recent commitsDenys Vlasenko2010-05-221-25/+37
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: fix more obscure ${var%...} casesDenys Vlasenko2010-05-221-16/+23
| | | | | | | | function old new delta add_till_closing_paren 313 359 +46 builtin_exit 48 47 -1 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: fix a=abc; c=c; echo ${a%${c}}Denys Vlasenko2010-05-211-55/+63
| | | | | | | | | | | function old new delta expand_vars_to_list 2229 2302 +73 add_till_closing_paren 286 313 +27 handle_dollar 623 574 -49 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/1 up/down: 100/-49) Total: 51 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: handle expansions in ${var?expanded_word} constructsDenys Vlasenko2010-05-211-15/+27
| | | | | | | function old new delta expand_vars_to_list 2209 2229 +20 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: reorganized TODO comment at topDenys Vlasenko2010-05-211-14/+12
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: add a list of unsupported builtinsDenys Vlasenko2010-05-211-0/+2
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: handle ${var:NUM:} tooDenys Vlasenko2010-05-211-2/+8
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: remove extra comparison from prev commitDenys Vlasenko2010-05-211-4/+2
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: optional support for ${var:N:M} bashismDenys Vlasenko2010-05-211-39/+45
| | | | | | | | function old new delta expand_vars_to_list 1999 2183 +184 handle_dollar 682 623 -59 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: explain various parameter expansion ops in commentsDenys Vlasenko2010-05-201-8/+36
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: small code shrinkDenys Vlasenko2010-05-201-7/+6
| | | | | | | function old new delta expand_vars_to_list 2012 1999 -13 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: shrink variable expansion codeDenys Vlasenko2010-05-201-20/+19
| | | | | | | function old new delta expand_vars_to_list 2164 2012 -152 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: fix var=`exit 2` not setting $? to 2Denys Vlasenko2010-05-201-5/+10
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: code shrinkDenys Vlasenko2010-05-201-1/+1
| | | | | | | | text data bss dec hex filename 843121 453 6828 850402 cf9e2 busybox_old 843108 453 6828 850389 cf9d5 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: support "cd -- DIR" and suchDenys Vlasenko2010-05-201-14/+32
| | | | | | | | | | | | | | | | | function old new delta skip_dash_dash - 33 +33 builtin_exit 43 48 +5 builtin_umask 121 125 +4 builtin_shift 115 119 +4 builtin_cd 71 75 +4 builtin_wait 271 274 +3 builtin_source 171 174 +3 builtin_exec 57 60 +3 builtin_eval 46 45 -1 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 7/1 up/down: 59/-1) Total: 58 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* ash,hush: make bare "." set exitcode to 2Denys Vlasenko2010-05-181-9/+14
| | | | | | | | function old new delta dotcmd 300 305 +5 builtin_source 176 171 -5 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: update bash compat todo commentDenys Vlasenko2010-05-171-7/+10
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* ash,hush: make "source" a synonym for . if bash compat is onDenys Vlasenko2010-05-171-0/+3
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: fix hush-bugs/parse_err.testsDenys Vlasenko2010-05-171-4/+9
| | | | | | | | | function old new delta parse_stream 2325 2339 +14 builtin_umask 121 123 +2 builtin_type 116 114 -2 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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