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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>
2016-09-29shell testsuite: add trailing newline to var_unbackslash1.testsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-09-29ash: fix arithmetic closing )) split by backslash-newlineDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-09-29hush: rework input char buffering to allow more than one-deep peekDenys Vlasenko
This fixes backslash+newline continuation in $VAR\ NAME construct. (ash has a bug there as well). function old new delta file_peek2 - 74 +74 parse_dollar 746 773 +27 expand_vars_to_list 1143 1167 +24 setup_string_in_str 32 46 +14 setup_file_in_str 33 47 +14 file_get 264 278 +14 static_peek2 - 7 +7 file_peek 91 72 -19 ------------------------------------------------------------------------------ (add/remove: 2/0 grow/shrink: 5/1 up/down: 174/-19) Total: 155 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-07-25ash: fix handling of ${VAR: -2}Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-22ash: fix corruption of ${#var} if $var contains UTF-8 charactersRon Yorston
As reported in bug 8506: $ X=abcdÉfghÍjklmnÓpqrstÚvwcyz $ echo ${#X} abcd26 The result should be 26. This regression was introduced by: <d68d1fb> 2015-05-18 [Ron Yorston] ash: code shrink around varvalue The length in characters was being used to discard the contents of the variable instead of the length in bytes. URL: https://bugs.busybox.net/8506 Reported-by: Martijn Dekker <martijn@inlv.org> Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2015-05-18testsuite: add some tests for ashRon Yorston
Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-05-18ash: move parse-time quote flag detection to run-timeRon Yorston
Because the parser does not recursively parse parameter expansion with respect to quotes, we can't accurately determine quote status at parse time. This patch works around this by moving the quote detection to run-time where we do interpret it recursively. Test case: foo=\\ echo "<${foo#[\\]}>" Old result: <\> New result: <> Do not quote back slashes in parameter expansions outside quotes. Test case: a=/b/c/* b=\\ echo ${a%$b*} Old result: /b/c/* New result: /b/c/ Based on commits 880d952, 7cfd8be, 0d7d660 and a7c21a6 from git://git.kernel.org/pub/scm/utils/dash/dash.git by Herbert Xu function old new delta argstr 1164 1193 +29 memtodest 147 174 +27 subevalvar 1153 1177 +24 redirect 1279 1282 +3 dolatstr 5 7 +2 static.spclchars 10 9 -1 expandarg 962 960 -2 evalcase 273 271 -2 evalcommand 1204 1197 -7 rmescapes 236 227 -9 preglob 27 8 -19 evalvar 604 582 -22 cmdputs 389 334 -55 readtoken1 3163 3061 -102 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 5/9 up/down: 85/-219) Total: -134 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-05-18ash: remove arithmetic expansion collapsing at parse timeRon Yorston
Collapsing arithmetic expansion is incorrect when the inner arithmetic expansion is a part of a parameter expansion. Test case: unset a echo $((3 + ${a:=$((4 + 5))})) echo $a Old result: 12 (4 + 5) New result: 12 9 Based on commit bb777a6 from git://git.kernel.org/pub/scm/utils/dash/dash.git by Herbert Xu function old new delta readtoken1 3180 3163 -17 Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-05-18ash: do not expand tilde in parameter expansion within quotesRon Yorston
Test case: unset a echo "${a:-~root}" Old result: /root New result: ~root Based on commit 170f44d from git://git.kernel.org/pub/scm/utils/dash/dash.git by Herbert Xu function old new delta evalvar 598 604 +6 parse_command 1440 1443 +3 localcmd 325 327 +2 readtoken1 3199 3200 +1 argstr 1180 1164 -16 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 4/1 up/down: 12/-16) Total: -4 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-05-18ash: perform tilde expansion in all parameter expansion wordsRon Yorston
Previously tilde expansion was not carried out for =?#% expansion words. Test case: a=~root:~root echo ${a#~root} Old result: /root:/root New result: :/root Based on commit dd721f71 from git://git.kernel.org/pub/scm/utils/dash/dash.git by Herbert Xu function old new delta subevalvar 1152 1153 +1 Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-04-18ash: fix handling of duplicate "local"Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-09-05hush: add support for ${var/pattern/repl}, conditional on bash compatDenys Vlasenko
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>
2010-09-04hush: fix handling of backslashes in variable assignmentDenys Vlasenko
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-08-30ash: add another ${v/a/b} test we currently failDenys Vlasenko
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-08-07ash: fix another bit of var_bash4 bugDenys Vlasenko
But it _still_ doesn't pass! quoted case is a tough nut to crack function old new delta redirect 1281 1286 +5 subevalvar 1141 1142 +1 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-08-06var_bash4.tests: better wording in commentDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-08-06update var_bash4 test. one more bug revealed by it now...Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-08-05ash: extend var_bash4.tests; nocode changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-08-05ash: add a testcase for bug 2281 (currently fails). Small code cleanups.Denys Vlasenko
function old new delta changepath 195 192 -3 subevalvar 1204 1200 -4 readtoken1 3247 3240 -7 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-14) Total: -14 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-05-18ash: fix var_leak.tests so that it actually catches the NOFORK bugDenys Vlasenko
+ document the bug better Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-05-18ash: fix var_leak testcaseDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2008-06-14ash: fix ${var/s/r} handling, add testcase.Denis Vlasenko
2008-04-13ash: add another testsuite entry ("leaking variables" bug)Denis Vlasenko
2008-04-12ash: a bit more complete POSIX subst testsuite entryDenis Vlasenko
2008-04-12ash: add testsuite entry for POSIX-mandated ${var#word} ${var##word}Denis Vlasenko
${var%word} ${var%%word}
2008-03-25ash: support for && and || in [[ expr ]]; add testsuite checksDenis Vlasenko
2008-02-15ash: handle "A=1 A=2 B=$A; echo $B". closes bug 947.Denis Vlasenko
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