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path: root/shell/hush.c
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2009-04-08hush: more rodust detection of unterminated strings etc;Denis Vlasenko
fix a case where we forget to copy `cmd` text; optimize nommu heredoc helper by not passing environment to it; add several tests function old new delta add_till_closing_paren 256 308 +52 parse_stream 2337 2378 +41 add_till_backquote 82 111 +29 re_execute_shell 269 284 +15 handle_dollar 802 812 +10 parse_stream_dquoted 316 320 +4 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 6/0 up/down: 151/0) Total: 151 bytes
2009-04-08hush: plug leak in run_pipe(). NOMMU only.Denis Vlasenko
2009-04-08hush: add leak detector helper; fix/add tests for itDenis Vlasenko
function old new delta builtin_memleak - 92 +92 bltins 288 300 +12
2009-04-08hush: echo \2>file fixDenis Vlasenko
2009-04-07hush: fix heredoc expansion of $var and `cmd`Denis Vlasenko
function old new delta expand_pseudo_dquoted - 104 +104 setup_heredoc 215 275 +60 done_word 669 691 +22 parse_stream 1899 1902 +3 setup_redirects 196 191 -5 free_pipe 189 183 -6 expand_variables 2349 2229 -120 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 3/3 up/down: 189/-131) Total: 58 bytes
2009-04-07hush: fix wrong commentDenis Vlasenko
2009-04-07hush: fix heredoc <<- handling.Denis Vlasenko
hush-misc/heredoc2.tests testcase needs only one fix now - $var and `cmd` expancsion in heredocs function old new delta parse_redirect 265 306 +41 parse_stream 1866 1899 +33
2009-04-07hush: NOMMU-safe support of big heredocsDenis Vlasenko
function old new delta setup_heredoc 116 215 +99
2009-04-07here documents have been added, so drop from TODOMike Frysinger
2009-04-07implement support for parameter substitution via #/% operatorsMike Frysinger
2009-04-07hush: heredoc support, based on patch by Mike Frysinger (vapier AT gentoo.org)Denis Vlasenko
some TODOs are to be attacked later function old new delta parse_stream 1461 1866 +405 parse_redirect - 265 +265 setup_heredoc - 116 +116 setup_redirects 151 196 +45 builtin_exit 49 47 -2 redirect_opt_num 61 55 -6 setup_redirect 212 - -212 ------------------------------------------------------------------------------ (add/remove: 2/1 grow/shrink: 2/2 up/down: 831/-220) Total: 611 bytes
2009-04-06hush: s/last_return_code/last_exitcode/gDenis Vlasenko
2009-04-06hush: fix "if false; then...fi" exitcode;Denis Vlasenko
trim "keyword"-less hush by 10 bytes
2009-04-06hush: fix a bunch of obscure while/until/continue bugsDenis Vlasenko
function old new delta run_list 1159 1214 +55 done_pipe 106 123 +17 done_command 86 98 +12 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/0 up/down: 84/0) Total: 84 bytes
2009-04-06hush: fix "false && echo yes || echo no" bug 265Denis Vlasenko
function old new delta run_list 1159 1189 +30
2009-04-06hush: beautify re_execute_shell moreDenis Vlasenko
2009-04-06hush: drop allocations in re_execute_shellDenis Vlasenko
function old new delta hush_main 1127 1138 +11 re_execute_shell 286 256 -30 clean_up_after_re_execute 66 30 -36 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/2 up/down: 11/-66) Total: -55 bytes
2009-04-06fix #>&- syntax for closing fdsMike Frysinger
2009-04-06hush: micro-optimization. -37 bytesDenis Vlasenko
2009-04-06hush: more efficient filtering of "safe" arithmeticDenis Vlasenko
function old new delta expand_variables 2170 2147 -23
2009-04-06hush: add <> and () as "safe" arith charsDenis Vlasenko
2009-04-06hush: print cd error to stderr; use fopen_or_warn in builtin_source;Denis Vlasenko
prepare builtin_unset for function support libbb: do not clear errno in fopen_or_warn function old new delta builtin_unset 242 271 +29 fopen_or_warn 42 31 -11 builtin_cd 90 74 -16 builtin_source 89 72 -17 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/3 up/down: 29/-44) Total: -15 bytes
2009-04-06hush: fix "export a=a b=b" (was not setting and exporting b)Denis Vlasenko
function old new delta builtin_export 103 117 +14
2009-04-06hush: update TODO list; + my usual pointless tweaks :(Denis Vlasenko
2009-04-06hush: mark SIGHUP TODOs better; don't disable SIGHUP for now,Denis Vlasenko
small tweaks to comments
2009-04-05hush: cosmetics, no code changesDenis Vlasenko
2009-04-05hush: strip NULs from file input, they are PITA/impossible to handle correctlyDenis Vlasenko
function old new delta file_peek 89 93 +4 file_get 260 264 +4
2009-04-05drop HUSH_VER_STR since it has no relevance anymore -- just use BB_VERMike Frysinger
2009-04-05hush: fix trap clearing in subshells on MMU; simplify NOMMU a bit:Denis Vlasenko
function old new delta parse_stream_dquoted 335 324 -11 handle_dollar 849 800 -49 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-60) Total: -60 bytes
2009-04-05hush: audit and fix "interactive shell" setup code.Denis Vlasenko
function old new delta block_signals - 139 +139 maybe_set_to_sigexit - 47 +47 run_list 2018 2030 +12 expand_variables 2155 2165 +10 maybe_set_sighandler 47 - -47 hush_main 992 918 -74 ------------------------------------------------------------------------------ (add/remove: 2/1 grow/shrink: 2/1 up/down: 208/-121) Total: 87 bytes
2009-04-05hush: pass $! thru re-execution; try harder on re-exec; give errorDenis Vlasenko
msg if re-exec didn't work; other tweaks in main() function old new delta hush_main 1144 1199 +55 re_execute_shell 237 286 +49 file_get 240 260 +20 clean_up_after_re_execute 58 66 +8 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 4/0 up/down: 132/0) Total: 132 bytes
2009-04-05hush: suppress bogus warning from 4.2.1Denis Vlasenko
2009-04-05hush: randomconfig fixesDenis Vlasenko
2009-04-05hush: plug the leak on NOMMU re-execute pathDenis Vlasenko
function old new delta clean_up_after_re_execute - 58 +58 re_execute_shell 226 244 +18 run_pipe 1271 1276 +5 generate_stream_from_string 133 138 +5 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 3/0 up/down: 86/0) Total: 86 bytes
2009-04-05hush: fix passing of $n on NOMMUDenis Vlasenko
2009-04-05hush: fix hush-misc/break5.tests NOMMU failureDenis Vlasenko
function old new delta hush_main 1118 1144 +26 re_execute_shell 188 204 +16 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/0 up/down: 42/0) Total: 42 bytes
2009-04-05hush: fix all testsuite failures on NOMMU except memory leak.Denis Vlasenko
known TODOs: we do not pass traps and positional args yet.
2009-04-04hush: enable NOMMU re-execution logic. Some testsuite entriesDenis Vlasenko
fail on NOMMU. Before it was much worse. No regressions on MMU, size: function old new delta handle_dollar 626 632 +6 run_list 2018 2022 +4 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/0 up/down: 10/0) Total: 10 bytes
2009-04-04hush: preparatory patch for NOMMU-safe { list } handling.Denis Vlasenko
function old new delta o_addblock - 58 +58 o_addstr_with_NUL - 27 +27 builtin_exit 47 49 +2 run_list 2020 2018 -2 o_addstrauto 27 - -27 parse_stream 1508 1461 -47 o_addstr 58 - -58 ------------------------------------------------------------------------------ (add/remove: 2/2 grow/shrink: 1/2 up/down: 87/-134) Total: -47 bytes
2009-04-04hush: fix NOMMU hangs in pseudo_exec_argv. Add forgotted settingDenis Vlasenko
of signal mask. Reuse same help string in all shells. function old new delta builtin_exit 49 47 -2 pseudo_exec_argv 149 145 -4 builtin_help 74 63 -11 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-17) Total: -17 bytes text data bss dec hex filename 825379 476 7616 833471 cb7bf busybox_old 825341 476 7616 833433 cb799 busybox_unstripped
2009-04-04hush: fix "var=val >file" not creating fileDenis Vlasenko
function old new delta static.null_ptr - 4 +4 run_list 2018 2020 +2 handle_dollar 667 626 -41 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 1/1 up/down: 6/-41) Total: -35 bytes
2009-04-04hush: remove code which errors out on $- and $_, it's useless;Denis Vlasenko
wrap some longish lines function old new delta handle_dollar 667 626 -41
2009-04-04hush: remove CHAR_xxx constantsDenis Vlasenko
2009-04-04hush: get rid of charmap[]Denis Vlasenko
function old new delta parse_stream 1447 1508 +61 get_local_var_value - 31 +31 run_list 2018 2020 +2 pseudo_exec_argv 151 149 -2 maybe_set_sighandler 50 47 -3 hush_exit 93 90 -3 builtin_wait 275 272 -3 check_and_run_traps 169 164 -5 hush_main 985 977 -8 file_get 260 240 -20 builtin_trap 438 414 -24 set_in_charmap 30 - -30 lookup_param 31 - -31 parse_and_run_stream 153 54 -99 ------------------------------------------------------------------------------ (add/remove: 1/2 grow/shrink: 2/9 up/down: 94/-228) Total: -134 bytes
2009-04-03simplify maybe_die() slightlyMike Frysinger
2009-04-03hush: finally make `cmd` safe on NOMMUDenis Vlasenko
function old new delta generate_stream_from_string - 157 +157 expand_variables 2050 2003 -47 generate_stream_from_list 139 - -139 ------------------------------------------------------------------------------ (add/remove: 1/1 grow/shrink: 0/1 up/down: 157/-186) Total: -29 bytes
2009-04-03hush: yet another randomconfig fixDenis Vlasenko
2009-04-03hush: randomconfig fixesDenis Vlasenko
2009-04-03hush: improve parse_stream: does not require parsing context struct;Denis Vlasenko
cleans up on syntax errors (we used to leak memory in this case); much simplified interface to the rest of hush. function old new delta parse_stream 1204 1447 +243 done_word 658 669 +11 static_get 22 28 +6 builtin_source 84 89 +5 parse_and_run_file 27 30 +3 parse_and_run_string 31 27 -4 builtin_eval 55 50 -5 hush_main 991 985 -6 free_pipe_list 39 31 -8 free_pipe 210 189 -21 expand_variables 2242 2199 -43 parse_and_run_stream 289 153 -136 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 5/7 up/down: 268/-223) Total: 45 bytes
2009-04-03hush: simplify parse_streamDenis Vlasenko
function old new delta parse_and_run_stream 292 289 -3 parse_stream 1218 1204 -14 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-17) Total: -17 bytes
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