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2016-10-07ash: get rid of two global data variablesDenys Vlasenko
function old new delta calcsize 126 147 +21 funcstring_end - 4 +4 sizenodelist 28 24 -4 funcstringsize 4 - -4 funcstring 4 - -4 funcblocksize 4 - -4 nodeckstrdup 48 39 -9 evaltree 828 788 -40 ------------------------------------------------------------------------------ (add/remove: 1/3 grow/shrink: 1/4 up/down: 25/-105) Total: -40 bytes text data bss dec hex filename 943376 916 14292 958584 ea078 busybox_old 943344 916 14284 958544 ea050 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-07ash: comment out free(p) just before _exit, tweak some outdated commentsDenys Vlasenko
Planned to sync exitshell up to dash, turned out ours is better :) Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-04wget: there is no -s option in GNU Wget 1.18, we should be compatibleDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-04dhcp: merge leases.c and static_leases.c into dhcpd.cDenys Vlasenko
function old new delta send_offer 292 461 +169 udhcpd_main 1531 1588 +57 read_leases 330 332 +2 add_lease 314 312 -2 find_lease_by_mac 68 - -68 find_free_or_expired_nip 174 - -174 ------------------------------------------------------------------------------ (add/remove: 0/4 grow/shrink: 3/1 up/down: 228/-244) Total: -16 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-04dhcp: merge most of static_leases.c into dhcpd.cDenys Vlasenko
function old new delta read_staticlease 121 222 +101 add_static_lease 48 - -48 log_static_leases 68 - -68 ------------------------------------------------------------------------------ (add/remove: 0/2 grow/shrink: 1/0 up/down: 101/-116) Total: -15 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-04dhcp: merge files.c into dhcpd.cDenys Vlasenko
Added NOINLINE to two function, since my version of gcc would actualy increase code size otherwise. I see no size changes. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-03examples: add example of a DHCP serverDenys Vlasenko
As usual, by multiplying directories - "dhcpd_eth0", "dhcpd_wlan1" you can run many servers on different interfaces. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-03hush: add commented-out debug printouts in "memleak" built-inDenys Vlasenko
Allocation addresses of malloc() are jittery, thought I had a mem leak in hush, but it was malloc variability. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-03hush: fix a memory corruption when exported variable is modifiedDenys Vlasenko
The construct such as this: t=1 export t t=new_value1 had a small probability of momentarily using free()d value. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-03hush: fix exitcode on exec failure with EACCES - should be 126Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-03sh testsuite: add tests for exitcode on failure to execDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-03shell: delete all msh testsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-03hush testsuite: fix another false positiveDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-03hust testsuite: fix a false positiveDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-03ash testsuite: add most of hust tests which pass for ashDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02ash: [PARSER] Add nlprompt/nlnoprompt helpersDenys Vlasenko
Upstream commit: Date: Mon, 29 Sep 2014 22:53:53 +0800 [PARSER] Add nlprompt/nlnoprompt helpers This patch adds the nlprompt/nlnoprompt helpers to isolate code dealing with newlines and prompting. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02whitespace fixesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02hush: add var4.tests, var5.testsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02hush: fix var3.testsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02sh: do not print empty line at the end of "help" outputDenys Vlasenko
It's pointless. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02sh testsuite: sync ash-redir/ and hush-redir/Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02sh testsuite: sync ash-misc/source* and hush-misc/source*Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02sh testsuite: sync ash-vars/ and hush-vars/Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02ash testsuite: update some of variable tests with newer versions from hushDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02sh testsuite: create hush-redir/* and move files aroundDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02sh testsuite: create hush-heredoc/* and move files aroundDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02hush testsuite: add many tests from ash testsuiteDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02ash: undo "tokname hack"Denys Vlasenko
dash has tokendlist[] array to decide which tokens end lists. We store it as first byte of each tokname_array[i]. Switch to bit array, name it like dash (tokendlist), drop special 1st byte of tokname_array[i]. This brings us closer to dash, and shrinks the binary, because many more string aliasing opportunities are now open: function old new delta pstrcmp1 - 16 +16 readtoken1 2852 2858 +6 list 326 327 +1 pstrcmp 16 15 -1 tokname 45 42 -3 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 2/2 up/down: 23/-4) Total: 19 bytes text data bss dec hex filename 943556 916 14292 958764 ea12c busybox_old 943463 916 14292 958671 ea0cf busybox_unstripped ^^^^^^^ note this! Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02ash: placate gcc: "warning: ! is only applied to the left hand side of =="Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02hush testsuite: add glob_dir.testsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02ash: fix globbing bugs when using glibc glob()Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02ash: style fixesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02ash: support "--" in "source" builtinDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02ash: expand: Fixed "$@" expansion when EXP_FULL is falseDenys Vlasenko
Upstream commit: Date: Thu, 1 Jan 2015 07:53:10 +1100 expand: Fixed "$@" expansion when EXP_FULL is false The commit 3c06acdac0b1ba0e0acdda513a57ee6e31385dce ([EXPAND] Split unquoted $@/$* correctly when IFS is set but empty) broke the case where $@ is in quotes and EXP_FULL is false. In that case we should still emit IFS as field splitting is not performed. Reported-by: Juergen Daubert <jue@jue.li> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02test: fix compile error in last commitDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02test: memory leak: free group id listDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-01ash,hush: add a test that "continue" does not cripple trapsDenys Vlasenko
Both shells pass this test. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-01ash: fix return_in_trap1.tests failureDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-01ash testsuite: add return_in_trap1.testsDenys Vlasenko
Currently it fails Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-01hush: 'return' should have effect earlierDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-01ash: [EXPAND] Optimise nulonly away and just use quoted as beforeDenys Vlasenko
Upstream commit: Date: Wed, 8 Oct 2014 20:09:56 +0800 [EXPAND] Optimise nulonly away and just use quoted as before This patch makes a small optimisation by using the same value for quoted between evalvar and varvalue by eliminating nulonly and passing along quoted instead. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-01ash: [EXPAND] Do not split quoted VSLENGTH and VSTRIMDenys Vlasenko
Upstream patch: Date: Wed, 8 Oct 2014 15:42:08 +0800 [EXPAND] Do not split quoted VSLENGTH and VSTRIM Currently VSLENGTH and VSTRIM* are field-split even within quotes. This is obviously wrong. This patch fixes that. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-01ash: [EXPAND] Split unquoted $@/$* correctly when IFS is set but emptyDenys Vlasenko
Upstream commit: Date: Wed, 8 Oct 2014 15:24:23 +0800 [EXPAND] Split unquoted $@/$* correctly when IFS is set but empty Currently we do not field-split $@/$* when it isn't quoted and IFS is set but empty. This is obviously wrong. This patch fixes this. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-01hush: add func6.testsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-01ash: fix "return N" not setting $? in loop conditionalsDenys Vlasenko
Upstream commit 1: Date: Mon, 6 Oct 2014 20:45:04 +0800 [EVAL] Move common skipcount logic into skiploop The functions evalloop and evalfor share the logic on checking and updating skipcount. This patch moves that into the helper function skiploop. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Upstream commit 2: Date: Mon, 6 Oct 2014 21:22:43 +0800 [BUILTIN] Allow return in loop conditional to set exit status https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=332954 When return is used in a loop conditional the exit status will be lost because we always set the exit status at the end of the loop to that of the last command executed in the body. This is counterintuitive and contrary to what most other shells do. This patch fixes this by always preserving the exit status of return when it is used in a loop conditional. The patch was originally written by Gerrit Pape <pape@smarden.org>. Reported-by: Stephane Chazelas <stephane_chazelas@yahoo.fr> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-01ash testsuite: remove two more inadvertent bashismsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-01ash testsuite: remove two inadvertent bashismsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-01ash: [ERROR] Set exitstatus in onintDenys Vlasenko
Partially backported this commit: Date: Thu, 2 Oct 2014 21:07:55 +0800 [ERROR] Set exitstatus in onint Currently the exit status when we receive SIGINT is set in evalcommand which means that it doesn't always get set. For example, if you press CTRL-C at the prompt of an interactive dash, the exit status is not set to 130 as it is in many other Bourne shells. This patch fixes this by moving the setting of the exit status into onint which also simplifies evalcommand. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> The part after "if (evalbltin(cmdentry.u.cmd, argc, argv, flags))" causes testsuite failures in signal handling, so left unchanged. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-01ash: [EVAL] Revert SKIPEVAL into EXEXITDenys Vlasenko
Upstream commit: Date: Tue Aug 11 20:56:53 2009 +1000 [EVAL] Revert SKIPEVAL into EXEXIT Now that eval handles EV_TESTED correctly, we can remove the SKIPEVAL hack and simply use EXEXIT for set -e. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-01ash: [EVAL] Pass EV_TESTED into evalcmdDenys Vlasenko
Upstream commit: Date: Tue Aug 11 20:48:15 2009 +1000 [EVAL] Pass EV_TESTED into evalcmd This patch fixes the case where the eval command is used with set -e and as part of a construct that should not cause the shell to abort, e.g., as part of the condition of an if statement. This is achieved by propagating the EV_TESTED flag into the evalstring function through evalcmd. As this alters the prototype of evalcmd it is now invoked explicitly by evalbltin. The built-in infrastructure has been changed to accomodate this special case. In order to ensure that the EXIT trap is properly executed this patch clears evalskip in exitshell. This wasn't needed before because of the broken way evalstring worked where it always clears evalskip when called by minusc. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Although, I failed to create a reproducer for this. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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