1######################################################################## 2# # 3# This software is part of the ast package # 4# Copyright (c) 1982-2010 AT&T Intellectual Property # 5# and is licensed under the # 6# Common Public License, Version 1.0 # 7# by AT&T Intellectual Property # 8# # 9# A copy of the License is available at # 10# http://www.opensource.org/licenses/cpl1.0.txt # 11# (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) # 12# # 13# Information and Software Systems Research # 14# AT&T Research # 15# Florham Park NJ # 16# # 17# David Korn <dgk@research.att.com> # 18# # 19######################################################################## 20function err_exit 21{ 22 print -u2 -n "\t" 23 print -u2 -r ${Command}[$1]: "${@:2}" 24 let Errors+=1 25} 26alias err_exit='err_exit $LINENO' 27 28integer Errors=0 29Command=${0##*/} 30 31ulimit -c 0 32 33tmp=$(mktemp -dt) || { err_exit mktemp -dt failed; exit 1; } 34trap "cd /; rm -rf $tmp" EXIT 35 36integer foo=33 37bar=bye 38# check for global variables and $0 39function foobar 40{ 41 case $1 in 42 1) print -r - "$foo" "$bar";; 43 2) print -r - "$0";; 44 3) typeset foo=foo 45 integer bar=10 46 print -r - "$foo" "$bar";; 47 4) trap 'foo=36' EXIT 48 typeset foo=20;; 49 esac 50} 51function print 52{ 53 command print hi 54} 55if [[ $(print) != hi ]] 56then err_exit "command print not working inside print function" 57fi 58unset -f print 59 60if [[ $(foobar 1) != '33 bye' ]] 61then err_exit 'global variables not correct' 62fi 63 64if [[ $(foobar 2) != 'foobar' ]] 65then err_exit '$0 not correct' 66fi 67 68if [[ $(bar=foo foobar 1) != '33 foo' ]] 69then err_exit 'environment override not correct' 70fi 71if [[ $bar == foo ]] 72then err_exit 'scoping error' 73fi 74 75if [[ $(foobar 3) != 'foo 10' ]] 76then err_exit non-local variables 77fi 78 79foobar 4 80if [[ $foo != 36 ]] 81then err_exit EXIT trap in wrong scope 82fi 83unset -f foobar || err_exit "cannot unset function foobar" 84typeset -f foobar>/dev/null && err_exit "typeset -f has incorrect exit status" 85 86function foobar 87{ 88 (return 0) 89} 90> $tmp/test1 91{ 92foobar 93if [ -r $tmp/test1 ] 94then rm -r $tmp/test1 95else err_exit 'return within subshell inside function error' 96fi 97} 98abc() print hi 99if [[ $(abc) != hi ]] 100then err_exit 'abc() print hi not working' 101fi 102( unset -f abc ) 103if [[ $(abc 2>/dev/null) != hi ]] 104then err_exit 'abc() print hi not working after subshell unset' 105fi 106( 107 function f 108 { 109 exit 1 110 } 111 f 112 err_exit 'exit from function not working' 113) 114unset -f foo 115function foo 116{ 117 x=2 118 ( 119 x=3 120 cd $tmp 121 print bar 122 ) 123 if [[ $x != 2 ]] 124 then err_exit 'value of x not restored after subshell inside function' 125 fi 126} 127x=1 128dir=$PWD 129if [[ $(foo) != bar ]] 130then err_exit 'cd inside nested subshell not working' 131fi 132if [[ $PWD != "$dir" ]] 133then err_exit 'cd inside nested subshell changes $PWD' 134fi 135fun() /bin/echo hello 136if [[ $(fun) != hello ]] 137then err_exit one line functions not working 138fi 139cat > $tmp/script <<-\! 140 print -r -- "$1" 141! 142chmod +x $tmp/script 143function passargs 144{ 145 $tmp/script "$@" 146} 147if [[ $(passargs one) != one ]] 148then err_exit 'passing args from functions to scripts not working' 149fi 150cat > $tmp/script <<-\! 151 trap 'exit 0' EXIT 152 function foo 153 { 154 /tmp > /dev/null 2>&1 155 } 156 foo 157! 158if ! $tmp/script 159then err_exit 'exit trap incorrectly triggered' 160fi 161if ! $SHELL -c $tmp/script 162then err_exit 'exit trap incorrectly triggered when invoked with -c' 163fi 164$SHELL -c "trap 'rm $tmp/script' EXIT" 165if [[ -f $tmp/script ]] 166then err_exit 'exit trap not triggered when invoked with -c' 167fi 168cat > $tmp/script <<- \EOF 169 foobar() 170 { 171 return 172 } 173 shift 174 foobar 175 print -r -- "$1" 176EOF 177chmod +x $tmp/script 178if [[ $( $SHELL $tmp/script arg1 arg2) != arg2 ]] 179then err_exit 'arguments not restored by posix functions' 180fi 181function foo 182{ 183 print hello 184} 185( 186 function foo 187 { 188 print bar 189 } 190 if [[ $(foo) != bar ]] 191 then err_exit 'function definitions inside subshells not working' 192 fi 193) 194if [[ $(foo) != hello ]] 195then err_exit 'function definitions inside subshells not restored' 196fi 197unset -f foo bar 198function bar 199{ 200 print "$y" 201} 202 203function foo 204{ 205 typeset x=3 206 y=$x bar 207} 208x=1 209if [[ $(foo) != 3 ]] 210then err_exit 'variable assignment list not using parent scope' 211fi 212unset -f foobar 213cat > $tmp/foobar <<! 214function foobar 215{ 216 print foo 217} 218! 219chmod +x $tmp/foobar 220FPATH=$tmp 221autoload foobar 222if [[ $(foobar 2>/dev/null) != foo ]] 223then err_exit 'autoload not working' 224fi 225unset -f foobar 226function foobar 227{ 228 typeset -r x=3 229 return 0 230} 231( foobar ) 2> /dev/null || err_exit "cannot unset readonly variable in function" 232if $SHELL -n 2> /dev/null <<-! 233 abc() 234 ! 235then err_exit 'abc() without a function body is not a syntax error' 236fi 237function winpath 238{ 239 usage='q pathname ...' 240 typeset var format=s 241 while getopts "$usage" var 242 do case $var in 243 q) format=q;; 244 esac 245 done 246 print done 247} 248if [[ $( (winpath --man 2>/dev/null); print ok) != ok ]] 249then err_exit 'getopts --man in functions not working' 250fi 251if [[ $( (winpath -z 2>/dev/null); print ok) != ok ]] 252then err_exit 'getopts with bad option in functions not working' 253fi 254unset -f x 255function x 256{ 257 print "$@" 258} 259typeset -ft x 260if [[ $(x x=y 2>/dev/null) != x=y ]] 261then err_exit 'name=value pair args not passed to traced functions' 262fi 263function bad 264{ 265 false 266} 267trap 'val=false' ERR 268val=true 269bad 270if [[ $val != false ]] 271then err_exit 'set -e not working for functions' 272fi 273function bad 274{ 275 false 276 return 0 277} 278val=true 279bad 280if [[ $val != true ]] 281then err_exit 'set -e not disabled for functions' 282fi 283bad() 284{ 285 false 286 return 0 287} 288val=true 289bad 290if [[ $val != false ]] 291then err_exit 'set -e not inherited for posix functions' 292fi 293trap - ERR 294 295function myexport 296{ 297 nameref var=$1 298 if (( $# > 1 )) 299 then export $1=$2 300 fi 301 if (( $# > 2 )) 302 then print $(myexport "$1" "$3" ) 303 return 304 fi 305 typeset val 306 val=$(export | grep "^$1=") 307 print ${val#"$1="} 308} 309export dgk=base 310val=$(myexport dgk fun) 311if [[ $val != fun ]] 312then err_exit "export inside function not working -- expected 'fun', got '$val'" 313fi 314val=$(export | sed -e '/^dgk=/!d' -e 's/^dgk=//') 315if [[ $val != base ]] 316then err_exit "export not restored after function call -- expected 'base', got '$val'" 317fi 318val=$(myexport dgk fun fun2) 319if [[ $val != fun2 ]] 320then err_exit "export inside function not working with recursive function -- expected 'fun2', got '$val'" 321fi 322val=$(export | sed -e '/^dgk=/!d' -e 's/^dgk=//') 323if [[ $val != base ]] 324then err_exit "export not restored after recursive function call -- expected 'base', got '$val'" 325fi 326val=$(dgk=try3 myexport dgk) 327if [[ $val != try3 ]] 328then err_exit "name=value not added to export list with function call -- expected 'try3', got '$val'" 329fi 330val=$(export | sed -e '/^dgk=/!d' -e 's/^dgk=//') 331if [[ $val != base ]] 332then err_exit "export not restored name=value function call -- expected 'base', got '$val'" 333fi 334unset zzz 335val=$(myexport zzz fun) 336if [[ $val != fun ]] 337then err_exit "export inside function not working -- expected 'fun', got '$val'" 338fi 339val=$(export | sed -e '/^zzz=/!d' -e 's/^zzz=//') 340if [[ $val ]] 341then err_exit "unset varaible exported after function call -- expected '', got '$val'" 342fi 343 344unset zzz 345typeset -u zzz 346function foo 347{ 348 zzz=abc 349 print $zzz 350} 351if [[ $(foo)$(foo) != ABCABC ]] 352then err_exit 'attributes on unset variables not saved/restored' 353fi 354function xpd { 355 typeset i j=$1 356 for i 357 do print i=$i j=$j 358 [[ $i == a ]] && xpd b 359 done 360 } 361if [[ $(xpd a c) != $'i=a j=a\ni=b j=b\ni=c j=a' ]] 362then err_exit 'for loop function optimization error' 363fi 364 365typeset -A visited 366integer level=0 367function closure 368{ 369 (( $# > 5 )) && return 1 370 ((level < 2)) && ((level++)) 371 typeset tmp r=0 372 visited[$1]=1 373 374 for tmp in $level _$level 375 do 376 [[ ${visited[$tmp]} == 1 ]] && continue 377 closure $tmp $* || r=1 378 done 379 return $r 380} 381closure 0 || err_exit -u2 'for loop function optimization bug2' 382dir=$tmp/dir 383mkdir $dir 384cd $dir || { err_exit "cd $dir failed"; exit 1; } 385 386( 387 function a { 388 print a 389 } 390 function b { 391 print 1 392 a 393 print 2 394 } > /dev/null 395 typeset -ft a b 396 PS4=X 397 b 398) > file 2>&1 399[[ $(<file) == *'Xprint 2'* ]] || err_exit 'function trace disabled by function call' 400rm -f file 401 402print 'false' > try 403chmod +x try 404cat > tst <<- EOF 405 function ignore 406 { 407 ./try 408 return 0 409 } 410 trap "print error; exit 1" ERR 411 ignore 412EOF 413if [[ $($SHELL < tst) == error ]] 414then err_exit 'ERR trap not cleared' 415fi 416FPATH=$dir 417print ': This does nothing' > foobar 418chmod +x foobar 419unset -f foobar 420{ foobar; } 2>/dev/null 421got=$? 422exp=126 423if [[ $got != $exp ]] 424then err_exit "function file without function definition processes wrong error -- expected '$exp', got '$got'" 425fi 426print 'set a b c' > dotscript 427[[ $(PATH=$PATH: $SHELL -c '. dotscript;print $#') == 3 ]] || err_exit 'positional parameters not preserved with . script without arguments' 428cd ~- || err_exit "cd back failed" 429function errcheck 430{ 431 trap 'print ERR; return 1' ERR 432 false 433 print ok 434} 435err=$(errcheck) 436[[ $err == ERR ]] || err_exit 'trap on ERR not working in a function' 437x="$( 438 function foobar 439 { 440 print ok 441 } 442 typeset -f foobar 443)" 444eval "$x" || err_exit 'typeset -f generates syntax error' 445[[ $(foobar) != ok ]] && err_exit 'typeset -f not generating function' 446unset -f a b c 447a() 448{ 449 b 450 b 451 print ${.sh.fun} 452} 453b() { : ;} 454[[ $(a) == a ]] || err_exit '.sh.fun not set correctly in a function' 455print $'a(){\ndate\n}' | $SHELL 2> /dev/null || err_exit 'parser error in a(){;date;}' 456cat > $tmp/data1 << '++EOF' 457 1 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 458 2 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 459 3 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 460 4 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 461 5 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 462 6 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 463 7 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 464 8 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 465 9 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 466 10 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 467 11 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 468 12 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 469 13 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 470 14 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 471 15 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 472 16 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 473 17 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 474 18 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 475 19 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 476 20 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 477++EOF 478cat > $tmp/script << '++EOF' 479# 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XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 727# XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 728# XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 729# XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 730# XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 731# XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 732# XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 733# XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 734# XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 735# XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 736# XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 737# XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 738# XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 739 740f() 741{ 742cat <<\M 743++EOF 744cat $tmp/data1 >> $tmp/script 745printf 'M\n}\n\nf\n\n' >> $tmp/script 746$SHELL -c $tmp/script > $tmp/data2 747cmp -s $tmp/data[12] || err_exit 'error with long functions' 748v=1 749function f 750{ 751 typeset i 752 for i in 0 1 753 do typeset v 754 v=$i 755 [[ $v == $i ]] || return 1 756 done 757} 758f || err_exit "typeset optimization bug" 759function f 760{ 761 print -r -- "$foo$bar" 762} 763function g 764{ 765 print -r -- $(bar=bam f) 766} 767unset foo bar 768[[ $(foo=hello g) == hellobam ]] || err_exit 'function exports not passed on' 769[[ $(bar=hello g) == bam ]] || err_exit 'function exports not overridden' 770unset -f foo 771function foo 772{ 773 typeset line=$1 774 set +n 775 while [[ $line ]] 776 do if [[ ! $varname ]] 777 then varname=${line%% *} 778 line=${line##"$varname"?( )} 779 [[ $line ]] && continue 780 else print ok 781 return 782 fi 783 varname= 784 done 785} 786[[ $(foo 'NUMBERED RECORDSIZE') == ok ]] || err_exit 'optimization error with undefined variable' 787unset x 788x=$( 789 set -e 790 integer count=0 791 function err_f 792 { 793 if ((count++==3)) 794 then print failed 795 else false 796 fi 797 } 798 trap 'err_f' ERR 799 false 800) 801[[ $x == failed ]] && err_exit 'ERR trap executed multiple times' 802export environment 803typeset global 804function f 805{ 806 typeset i t local 807 808 for i 809 do case $i in 810 [-+]*) set "$@" 811 continue 812 ;; 813 local) local=f 814 t=$(typeset +f $local) 815 ;; 816 global) global=f 817 t=$(typeset +f $global) 818 ;; 819 environment) 820 environment=f 821 t=$(typeset +f $environment) 822 ;; 823 literal)t=$(typeset +f f) 824 ;; 825 positional) 826 set -- f 827 t=$(typeset +f $1) 828 ;; 829 esac 830 [[ $t ]] || err_exit "typeset +f \$$i failed" 831 done 832} 833f local global environment literal positional 834$SHELL -c ' 835 print exit 0 > '$tmp'/script 836 chmod +x '$tmp'/script 837 unset var 838 var=( ident=1 ) 839 function fun 840 { 841 PATH='$tmp' script 842 } 843 fun 844' || err_exit "compound variable cleanup before script exec failed" 845( $SHELL << \++EOF++ 846function main 847{ 848 typeset key 849 typeset -A entry 850 entry[a]=( value=aaa ) 851} 852main 853++EOF++ 854) 2> /dev/null || err_exit 'function main fails' 855optind=$OPTIND 856sub() 857{ 858 ( 859 OPTIND=1 860 while getopts :abc OPTION "$@" 861 do print OPTIND=$OPTIND 862 done 863 ) 864} 865[[ $(sub -a) == OPTIND=2 ]] || err_exit 'OPTIND should be 2' 866[[ $(sub -a) == OPTIND=2 ]] || err_exit 'OPTIND should be 2 again' 867[[ $OPTIND == "$optind" ]] || err_exit 'OPTIND should be 1' 868 869function bar 870{ 871 [[ -o nounset ]] && err_exit 'nounset option should not be inherited' 872} 873function foo 874{ 875 set -o nounset 876 bar 877} 878set +o nounset 879foo 880function red 881{ 882 integer -S d=0 883 printf 'red_one %d\n' d 884 (( d++ )) 885 return 0 886} 887[[ ${ red } != 'red_one 0' ]] && err_exit 'expected red_one 0' 888[[ ${ red } != 'red_one 1' ]] && err_exit 'expected red_one 1' 889xyz=$0 890function traceback 891{ 892 integer .level=.sh.level 893 while((--.level>=0)) 894 do 895 ((.sh.level = .level)) 896 [[ $xyz == "$0" ]] || err_exit "\$xyz=$xyz does not match $0 on level ${.level}" 897 [[ ${.sh.lineno} == "$1" ]] || err_exit "\${.sh.lineno}=${.sh.lineno} does not match $1 on level ${.level}" 898 done 899} 900 901function foo 902{ 903 typeset xyz=foo 904 set -- $((LINENO+1)) 905 bar $LINENO "$1" 906} 907 908function bar 909{ 910 typeset xyz=bar 911 set -- $((LINENO+2)) 912 trap 'traceback $LINENO' DEBUG 913 : $LINENO "$1" 914} 915 916set -- $((LINENO+1)) 917foo $LINENO 918function .sh.fun.set 919{ 920 print -r -- "${.sh.value}" 921} 922function abc 923{ 924 : 925} 926def() 927{ 928 : 929} 930[[ $(abc) == abc ]] || err_exit '.sh.fun.set not capturing function name' 931[[ $(def) == def ]] || err_exit '.sh.fun.set not capturing name()' 932unset -f .sh.fun.set 933 934# tests for debug functions 935basefile=${.sh.file} 936integer baseline 937cat > $tmp/debug << \+++ 938 : line 1 939 940 : line 3 941+++ 942# Print one line in a call stack 943function _Dbg_print_frame 944{ 945 typeset -i pos=$1 946 typeset fn=$2 947 typeset filename="$3" 948 typeset -i line=$4 949 typeset arg=$5 950 shift 5 951 if ((pos==0)) 952 then [[ $filename == "$basefile" ]] || err_exit "filename for level 0 is $filename not $basename" 953 [[ $arg == DEBUG ]] && ((baseline++)) 954 [[ $line == "$baseline" ]] || err_exit "line number for level 0 is $line not $baseline" 955 elif ((pos==1)) 956 then [[ $filename == "$tmp/debug" ]] || err_exit "filename for level 1 is $filename not $tmp/debug" 957 [[ $* == 'foo bar' ]] || err_exit "args are '$*', not 'foo bar'" 958 [[ $line == $arg ]] || err_exit "line number for level 1 is $line not $arg" 959 else err_exit "level should be 0 or 1 but is $pos" 960 fi 961} 962 963function _Dbg_debug_trap_handler 964{ 965 966 integer .level=.sh.level .max=.sh.level-1 967 while((--.level>=0)) 968 do 969 ((.sh.level = .level)) 970 _Dbg_print_frame "${.level}" "$0" "${.sh.file}" "${.sh.lineno}" "${.sh.command##* }" "$@" 971 done 972} 973 974((baseline=LINENO+2)) 975trap '_Dbg_debug_trap_handler' DEBUG 976. $tmp/debug foo bar 977trap '' DEBUG 978 979caller() { 980 integer .level=.sh.level .max=.sh.level-1 981 while((--.level>=0)) 982 do 983 ((.sh.level = .level)) 984 print -r -- "${.sh.lineno}" 985 done 986} 987bar() { caller;} 988set -- $(bar) 989[[ $1 == $2 ]] && err_exit ".sh.inline optimization bug" 990( $SHELL -c ' function foo { typeset x=$1;print $1;};z=();z=($(foo bar)) ') 2> /dev/null || err_exit 'using a function to set an array in a command sub fails' 991 992{ 993got=$( 994s=$(ulimit -s) 995if [[ $s == +([[:digit:]]) ]] && (( s < 16384 )) 996then ulimit -s 16384 2>/dev/null 997fi 998$SHELL << \+++ 999f() 1000{ 1001 if (($1>1)) 1002 then x=$(f $(($1-1))) || exit 1 1003 fi 1004 return 0 1005} 1006f 257 && print ok 1007+++ 1008) 1009} 2>/dev/null 1010[[ $got == ok ]] || err_exit 'cannot handle comsub depth > 256 in function' 1011 1012tmp1=$tmp/job.1 1013tmp2=$tmp/job.2 1014cat > $tmp1 << +++ 1015#! $SHELL 1016print \$\$ 1017+++ 1018chmod +x $tmp1 1019function foo 1020{ 1021 typeset pid 1022 $tmp1 > $tmp2 & pid=$! 1023 wait $! 1024 [[ $(< $tmp2) == $pid ]] || err_exit 'wrong pid for & job in function' 1025} 1026foo 1027# make sure compiled functions work 1028[[ $(tmp=$tmp $SHELL <<- \++++ 1029 cat > $tmp/functions <<- \EOF 1030 function bar 1031 { 1032 print foo 1033 } 1034 function foobar 1035 { 1036 bar 1037 } 1038 EOF 1039 ${SHCOMP:-${SHELL%/*}/shcomp} $tmp/functions > $tmp/foobar 1040 rm -f "$tmp/functions" 1041 chmod +x $tmp/foobar 1042 rm $tmp/!(dir|foobar) 1043 FPATH=$tmp 1044 PATH=$FPATH:$PATH 1045 foobar 1046++++ 1047) == foo ]] > /dev/null || err_exit 'functions compiled with shcomp not working' 1048# test for functions in shell having side effects. 1049unset -f foo foobar bar 1050cd "$tmp" 1051FPATH=$PWD 1052PATH=$FPATH:$PATH 1053cat > foo <<- \EOF 1054 function bar 1055 { 1056 print foobar 1057 } 1058 function foo 1059 { 1060 bar 1061 } 1062EOF 1063chmod +x foo 1064: $(foo) 1065[[ $(typeset +f) == *foo* ]] && err_exit 'function in subshell leaving side effect of function foo' 1066unset -f foo bar 1067: $(foo) 1068[[ $(typeset +f) == *foo* ]] && err_exit 'function in subshell leaving side effects of function foo after reload' 1069[[ $(typeset +f) == *bar* ]] && err_exit 'function in subshell leaving side effects of function bar after reload' 1070 1071unset -f foo 1072typeset -A bar 1073function foo 1074{ 1075 typeset -i bar[$1].x 1076 bar[$1].x=5 1077} 1078foo sub 1079[[ ${!bar[@]} == sub ]] || err_exit 'scoping problem with compound array variables' 1080 1081function A 1082{ 1083 trap "> /dev/null;print TRAP A" EXIT 1084 # (( stderr )) && print >&2 1085} 1086 1087function B 1088{ 1089 trap "> /dev/null;print TRAP B" EXIT 1090 A 1091} 1092 1093x=$(B) 1094[[ $x == $'TRAP A\nTRAP B' ]] || err_exit "trap from funtions in subshells fails got" $x 1095 1096exit $((Errors)) 1097