129e1ce72
Denys Vlasenko
2017-08-11
Subject
hush: add a test which fails due to uclibc bug in getopt()
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shell/ash_test/ash-getopts/getopt_test_libc_bug.right +26 -0shell/ash_test/ash-getopts/getopt_test_libc_bug.tests +38 -0shell/hush_test/hush-getopts/getopt_test_libc_bug.right +26 -0shell/hush_test/hush-getopts/getopt_test_libc_bug.tests +38 -0
shell/ash_test/ash-getopts/getopt_test_libc_bug.right+26 -0
| @@ -0,0 +1,26 @@ | |
| + | *** optstring:'ac' args:-a -b -c -d e |
| + | 1 rc:0 var:'a' OPTIND:2 OPTARG:'' |
| + | Illegal option -b |
| + | 2 rc:0 var:'?' OPTIND:3 OPTARG:'' |
| + | 3 rc:0 var:'c' OPTIND:4 OPTARG:'' |
| + | Illegal option -d |
| + | 4 rc:0 var:'?' OPTIND:5 OPTARG:'' |
| + | 5 rc:1 var:'?' OPTIND:5 OPTARG:'' |
| + | |
| + | *** optstring:'ac' args:-a -b -c -d e |
| + | 1 rc:0 var:'a' OPTIND:2 OPTARG:'' |
| + | Illegal option -b |
| + | 2 rc:0 var:'?' OPTIND:3 OPTARG:'' |
| + | 3 rc:0 var:'c' OPTIND:4 OPTARG:'' |
| + | Illegal option -d |
| + | 4 rc:0 var:'?' OPTIND:5 OPTARG:'' |
| + | 5 rc:1 var:'?' OPTIND:5 OPTARG:'' |
| + | |
| + | *** optstring:'ac' args:-a -b -c -d e |
| + | 1 rc:0 var:'a' OPTIND:2 OPTARG:'' |
| + | Illegal option -b |
| + | 2 rc:0 var:'?' OPTIND:3 OPTARG:'' |
| + | 3 rc:0 var:'c' OPTIND:4 OPTARG:'' |
| + | Illegal option -d |
| + | 4 rc:0 var:'?' OPTIND:5 OPTARG:'' |
| + | 5 rc:1 var:'?' OPTIND:5 OPTARG:'' |
shell/ash_test/ash-getopts/getopt_test_libc_bug.tests+38 -0
| @@ -0,0 +1,38 @@ | |
| + | # This test can fail with libc with buggy getopt() implementation. |
| + | # If getopt() wants to parse multi-option args (-abc), |
| + | # it needs to remember a position withit current arg. |
| + | # |
| + | # If this position is kept as a POINTER, not an offset, |
| + | # and if argv[] ADDRESSES (not contents!) change, it blows up. |
| + | |
| + | echo "*** optstring:'ac' args:-a -b -c -d e" |
| + | getopts "ac" var -a -b -c -d e; echo "1 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'" |
| + | getopts "ac" var -a -b -c -d e; echo "2 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'" |
| + | getopts "ac" var -a -b -c -d e; echo "3 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'" |
| + | getopts "ac" var -a -b -c -d e; echo "4 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'" |
| + | getopts "ac" var -a -b -c -d e; echo "5 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'" |
| + | |
| + | # Above: args are (usually) in the same locations in memory. |
| + | # Below: variable allocations change the location. |
| + | |
| + | echo |
| + | echo "*** optstring:'ac' args:-a -b -c -d e" |
| + | unset OPTIND |
| + | OPTARG=QWERTY; getopts "ac" var -a -b -c -d e; echo "1 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'" |
| + | NEWVAR=NEWVAL; getopts "ac" var -a -b -c -d e; echo "2 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'" |
| + | VAR111=NEWVAL; getopts "ac" var -a -b -c -d e; echo "3 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'" |
| + | VAR222=NEWVAL; getopts "ac" var -a -b -c -d e; echo "4 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'" |
| + | VAR333=NEWVAL; getopts "ac" var -a -b -c -d e; echo "5 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'" |
| + | |
| + | # Sligntly different attempts to force reallocations |
| + | |
| + | echo |
| + | echo "*** optstring:'ac' args:-a -b -c -d e" |
| + | unset OPTIND |
| + | export OPTARG; getopts "ac" var -a -b -c -d e; echo "1 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'" |
| + | export NEWVAR; getopts "ac" var -a -b -c -d e; echo "2 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'" |
| + | export VAR111; getopts "ac" var -a -b -c -d e; echo "3 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'" |
| + | export VAR222; getopts "ac" var -a -b -c -d e; echo "4 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'" |
| + | export VAR333; getopts "ac" var -a -b -c -d e; echo "5 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'" |
| + | |
| + | # All copies of code above should generate identical output |
shell/hush_test/hush-getopts/getopt_test_libc_bug.right+26 -0
| @@ -0,0 +1,26 @@ | |
| + | *** optstring:'ac' args:-a -b -c -d e |
| + | 1 rc:0 var:'a' OPTIND:2 OPTARG:'' |
| + | ./getopt_test_libc_bug.tests: invalid option -- b |
| + | 2 rc:0 var:'?' OPTIND:3 OPTARG:'' |
| + | 3 rc:0 var:'c' OPTIND:4 OPTARG:'' |
| + | ./getopt_test_libc_bug.tests: invalid option -- d |
| + | 4 rc:0 var:'?' OPTIND:5 OPTARG:'' |
| + | 5 rc:1 var:'?' OPTIND:5 OPTARG:'' |
| + | |
| + | *** optstring:'ac' args:-a -b -c -d e |
| + | 1 rc:0 var:'a' OPTIND:2 OPTARG:'' |
| + | ./getopt_test_libc_bug.tests: invalid option -- b |
| + | 2 rc:0 var:'?' OPTIND:3 OPTARG:'' |
| + | 3 rc:0 var:'c' OPTIND:4 OPTARG:'' |
| + | ./getopt_test_libc_bug.tests: invalid option -- d |
| + | 4 rc:0 var:'?' OPTIND:5 OPTARG:'' |
| + | 5 rc:1 var:'?' OPTIND:5 OPTARG:'' |
| + | |
| + | *** optstring:'ac' args:-a -b -c -d e |
| + | 1 rc:0 var:'a' OPTIND:2 OPTARG:'' |
| + | ./getopt_test_libc_bug.tests: invalid option -- b |
| + | 2 rc:0 var:'?' OPTIND:3 OPTARG:'' |
| + | 3 rc:0 var:'c' OPTIND:4 OPTARG:'' |
| + | ./getopt_test_libc_bug.tests: invalid option -- d |
| + | 4 rc:0 var:'?' OPTIND:5 OPTARG:'' |
| + | 5 rc:1 var:'?' OPTIND:5 OPTARG:'' |
shell/hush_test/hush-getopts/getopt_test_libc_bug.tests+38 -0
| @@ -0,0 +1,38 @@ | |
| + | # This test can fail with libc with buggy getopt() implementation. |
| + | # If getopt() wants to parse multi-option args (-abc), |
| + | # it needs to remember a position withit current arg. |
| + | # |
| + | # If this position is kept as a POINTER, not an offset, |
| + | # and if argv[] ADDRESSES (not contents!) change, it blows up. |
| + | |
| + | echo "*** optstring:'ac' args:-a -b -c -d e" |
| + | getopts "ac" var -a -b -c -d e; echo "1 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'" |
| + | getopts "ac" var -a -b -c -d e; echo "2 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'" |
| + | getopts "ac" var -a -b -c -d e; echo "3 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'" |
| + | getopts "ac" var -a -b -c -d e; echo "4 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'" |
| + | getopts "ac" var -a -b -c -d e; echo "5 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'" |
| + | |
| + | # Above: args are (usually) in the same locations in memory. |
| + | # Below: variable allocations change the location. |
| + | |
| + | echo |
| + | echo "*** optstring:'ac' args:-a -b -c -d e" |
| + | unset OPTIND |
| + | OPTARG=QWERTY; getopts "ac" var -a -b -c -d e; echo "1 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'" |
| + | NEWVAR=NEWVAL; getopts "ac" var -a -b -c -d e; echo "2 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'" |
| + | VAR111=NEWVAL; getopts "ac" var -a -b -c -d e; echo "3 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'" |
| + | VAR222=NEWVAL; getopts "ac" var -a -b -c -d e; echo "4 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'" |
| + | VAR333=NEWVAL; getopts "ac" var -a -b -c -d e; echo "5 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'" |
| + | |
| + | # Sligntly different attempts to force reallocations |
| + | |
| + | echo |
| + | echo "*** optstring:'ac' args:-a -b -c -d e" |
| + | unset OPTIND |
| + | export OPTARG; getopts "ac" var -a -b -c -d e; echo "1 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'" |
| + | export NEWVAR; getopts "ac" var -a -b -c -d e; echo "2 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'" |
| + | export VAR111; getopts "ac" var -a -b -c -d e; echo "3 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'" |
| + | export VAR222; getopts "ac" var -a -b -c -d e; echo "4 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'" |
| + | export VAR333; getopts "ac" var -a -b -c -d e; echo "5 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'" |
| + | |
| + | # All copies of code above should generate identical output |