Date: Thu, 7 Jun 2012 22:37:07 -0700 From: Isaac Dunham <idunham@...abit.com> To: musl@...ts.openwall.com Subject: Re: bug? sysinfo() and getopt_long() misbehavior On Thu, 7 Jun 2012 23:12:43 -0400 Rich Felker <dalias@...ifal.cx> wrote: > > - (did not investigated properly) possible getopt_long() > > misbehavior, or just miscompile. The result is that iptables and > > gnu sed misbehaving at command line arguments: > > % sed -i '/test/d' ttnosuchfile > > sed: can't find label for jump to `tnosuchfile' > > My GNU sed build does not exhibit this behavior. It's linked with an > older musl, but the getopt code has not changed. Is it possible you > did anything odd building musl (editing the makefile/cflags)? Does the > same happen if you static link sed? If your answers to these questions > suggest a problem in musl, I'll rebuild sed and see if I can reproduce > it. > > > % sed '/test/d' -i ttnosuchfile > > sed: can't read -i: No such file or directory > > sed: can't read ttnosuchfile: No such file or directory > > This is to be expected. Options must come before non-option arguments. > The glibc behavior to the contrary is broken and non-conformant. sed -e '...' -i ... is more conventional, and might persuade getopt_long to cooperate... > > # iptables -vnL > > iptables v220.127.116.11: unknown arguments found on commandline > > Try `iptables -h' or 'iptables --help' for more information. > > # iptables --version > > iptables v18.104.22.168: unknown arguments found on commandline > > Try `iptables -h' or 'iptables --help' for more information. > > > > Both sed and iptables were compiled with -D_GNU_SOURCE defined. > > > > Unfortunately I don't actually know how to fix these two. > > I'm suspecting something is broken with respect to dynamic linking... > Are you using an old version of binutils? Did you remove or replace > -Bsymbolic-functions with something else? Definitely not, I'd say--that doesn't just misbehave, it will die with a SIGILL before it gets to main().
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