Date: Tue, 15 Jan 2013 16:16:29 +0100 From: Daniel Cegiełka <daniel.cegielka@...il.com> To: musl@...ts.openwall.com Subject: Re: REG_STARTEND (regex) Thank you for your reply. It's terribly sad that there are so many problems with portability. There are a lot of high-quality tools in the *BSD, which could be used in Linux. And rather than stick to the POSIX people still create a barrier, like REG_STARTEND, 'sed -i', bison (instead POSIX yacc), perl in the Makefile(!!!) etc. 'sed -i' is used in many programs (even linux, e2fsprogs, old libcap etc.) and there is no chance to avoid it. So I'm looking for an alternative to the gnu-sed+gnulib. I found that sed from FreeBSD has support for -i and is much smaller than the gnu sed: http://svnweb.freebsd.org/base/release/9.1.0/usr.bin/sed/ ls -lh /bin/sed ./sed -rwxr-xr-x 1 root root 143K Jun 22 2012 /bin/sed -rwxr-xr-x 1 root root 35K Jan 15 14:32 ./sed (compiled on linux with glibc) Now I want to use it with musl, but sed (and grep) from FreeBSD uses REG_STARTEND and I don't really know how to solve this problem. http://svnweb.freebsd.org/base/release/9.1.0/usr.bin/sed/process.c?revision=243808&view=markup 651 /* Set anchors */ 652 match.rm_so = 0; 653 match.rm_eo = slen; 654 655 eval = regexec(defpreg, string, 656 nomatch ? 0 : maxnsub + 1, match, eflags | REG_STARTEND); Does anyone have suggestions on how this can be modified to be able to use it with musl. Daniel
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