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* hush: faster/smaller code to check for presense of multiple chars in stringDenys Vlasenko2018-07-171-13/+18
| | | | | | | | | | | | Go over the string only once. function old new delta encode_then_expand_string 126 105 -21 encode_then_expand_vararg 443 399 -44 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-65) Total: -65 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: improve ${var#...}, ${var:+...} and ${var/.../...} - handle quotingDenys Vlasenko2018-07-171-53/+147
| | | | | | | | | | | | | | | | | | dollar_altvalue1 test partially fails: word splitting of unquoted ${var:+...} is not correct function old new delta encode_then_expand_vararg - 443 +443 expand_one_var 1599 1610 +11 parse_stream 2756 2753 -3 encode_string 250 242 -8 setup_heredoc 308 298 -10 expand_and_evaluate_arith 106 96 -10 encode_then_expand_string 142 126 -16 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 1/5 up/down: 454/-47) Total: 407 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: shrink code in builtin_evalDenys Vlasenko2018-07-151-26/+26
| | | | | | | function old new delta builtin_eval 126 119 -7 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: unset_local_var_len is only used by unset_local_varDenys Vlasenko2018-06-261-1/+1
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: fix compile problem found by randomconfigDenys Vlasenko2018-06-261-1/+2
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: fix dup_CLOEXEC() call without "avoid_fd" parameterDenys Vlasenko2018-06-261-1/+1
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: fix for !ENABLE_HUSH_MODE_X configurationDenys Vlasenko2018-06-261-2/+2
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: variable nesting code is used also if HUSH_FUNCTIONS is not enabledDenys Vlasenko2018-06-261-52/+52
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* randomconfig fixesDenys Vlasenko2018-06-261-0/+2
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: fix recent breakage from parse_stream() changesDenys Vlasenko2018-04-111-22/+22
| | | | | | | function old new delta parse_stream 3808 3821 +13 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: IFS fixesDenys Vlasenko2018-04-111-2/+36
| | | | | | | | | | | | | | | | | | $ IFS=": "; x=" "; set x $x; for v; do echo "|$v|"; done |x| $ IFS=": "; x=":"; set x $x; for v; do echo "|$v|"; done |x| || function old new delta run_pipe 1789 1870 +81 expand_on_ifs 310 361 +51 pseudo_exec_argv 588 591 +3 builtin_local 50 53 +3 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 4/0 up/down: 138/0) Total: 138 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: fix "$v" expansion in case patterns when v='[a]'Denys Vlasenko2018-04-111-16/+34
| | | | | | | | | | | | | | function old new delta run_list 1053 1063 +10 setup_redirects 311 320 +9 encode_then_expand_string 135 142 +7 run_pipe 1784 1789 +5 expand_assignments 81 86 +5 expand_string_to_string 124 125 +1 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 6/0 up/down: 37/0) Total: 37 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: optimize parse_stream()Denys Vlasenko2018-04-111-28/+31
| | | | | | | | | | Since we check for '\' anyway when we determine whether we can look ahead, we can just check for *and handle* it there. function old new delta parse_stream 2751 2740 -11 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: do not drop backslash from eval 'echo ok\'Denys Vlasenko2018-04-111-5/+17
| | | | | | | | | | | | newer bash does not drop it, most other shells too function old new delta unbackslash 39 57 +18 parse_stream 2753 2751 -2 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/1 up/down: 18/-2) Total: 16 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* shell: add comments about [[, no code changesDenys Vlasenko2018-04-101-0/+12
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: fix handling of \<eof> in double-quoted stringsDenys Vlasenko2018-04-101-5/+6
| | | | | | | function old new delta encode_string 268 250 -18 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: fix eval 'echo ok\'Denys Vlasenko2018-04-101-5/+9
| | | | | | | function old new delta parse_stream 2762 2753 -9 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: simplify \<newline> code, part 3Denys Vlasenko2018-04-101-55/+45
| | | | | | | function old new delta parse_stream 2780 2762 -18 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: simplify \<newline> code, part 2Denys Vlasenko2018-04-101-30/+30
| | | | | | | function old new delta parse_stream 2787 2780 -7 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: simplify \<newline> code, part 1Denys Vlasenko2018-04-101-11/+11
| | | | | | | function old new delta parse_stream 2919 2787 -132 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: put "current word" structure into parsing contextDenys Vlasenko2018-04-101-122/+120
| | | | | | | | | | function old new delta done_word 790 767 -23 parse_stream 3018 2919 -99 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-122) Total: -122 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: fix var_leaks.tests and var_preserved.tests on NOMMUDenys Vlasenko2018-04-091-49/+59
| | | | | | | | | | | | function old new delta remove_nested_vars - 77 +77 run_pipe 1756 1786 +30 pseudo_exec_argv 376 379 +3 leave_var_nest_level 98 32 -66 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 2/1 up/down: 110/-66) Total: 44 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: fix func_return2.tests on NOMMUDenys Vlasenko2018-04-091-0/+7
| | | | | | | function old new delta hush_main 1714 1718 +4 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: fix prompt in multi-line $(())Denys Vlasenko2018-04-071-12/+22
| | | | | | | | | Now shows PS2 in this case: /path/to/dir $ a=b; echo $(( > _ Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: fix "unset PS1/PS2", and put them into initial variable setDenys Vlasenko2018-04-061-29/+35
| | | | | | | | | | | | | | "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>
* 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 Vlasenko2018-04-051-8/+8
| | | | | | | | | | 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>
* hush: fix a few more corner cases with empty-expanding `cmds`Denys Vlasenko2018-04-051-8/+12
| | | | | | | | | 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 Vlasenko2018-04-051-17/+26
| | | | | | | | | | | | | | | | 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 Vlasenko2018-04-051-82/+71
| | | | | | | | | | | | | | | | | 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 Vlasenko2018-04-041-13/+13
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: support "f() (cmd)" functionsDenys Vlasenko2018-04-031-29/+50
| | | | | | | | | 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 Vlasenko2018-04-031-7/+15
| | | | 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>
* hush: fix a backslash-removal bug in caseDenys Vlasenko2018-04-021-3/+5
| | | | | | | function old new delta run_list 1270 1053 -217 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>
* hush: update information comment about heredoc discrepancyDenys Vlasenko2018-04-011-7/+12
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* libbb: new function bb_die_memory_exhaustedDenys Vlasenko2018-04-011-2/+2
| | | | | | | | | | | | | | | | | | | | 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>
* hush: add a comment where we differ from bash wrt heredoc EOF mark handlingDenys Vlasenko2018-04-011-0/+8
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* ash,hush: handle a few more bkslash-newline casesDenys Vlasenko2018-04-011-2/+12
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: fix heredoc_bkslash_newline1.tests failureDenys Vlasenko2018-03-311-35/+42
| | | | | | | | function old new delta parse_stream 2787 2827 +40 builtin_type 117 115 -2 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: fix a signedness bugDenys Vlasenko2018-03-311-1/+1
| | | | | | | | | | | | | | | | Testcase: set -- a ""; space=" "; printf "<%s>\n" "$@"$space Before: <a > After: <a> <> It usually does not bite since bbox forces -funsigned-char build. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* hush: add a FIXME commentDenys Vlasenko2018-03-281-0/+6
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-03-20 05:03:18 +0000