Date: Wed, 1 May 2013 15:02:59 +0000 (UTC) From: Mikolaj Golub <trociny@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r250147 - head/lib/libprocstat Message-ID: <201305011502.r41F2xJI085759@svn.freebsd.org>
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Author: trociny Date: Wed May 1 15:02:58 2013 New Revision: 250147 URL: http://svnweb.freebsd.org/changeset/base/250147 Log: procstat_getpathname: for kvm method, instead of returning the error that the method is not supported, return an empty string. This looks more handy for callers like procstat(1), which will not abort after the failed call and still output some useful information. MFC after: 3 weeks Modified: head/lib/libprocstat/libprocstat.c Modified: head/lib/libprocstat/libprocstat.c ============================================================================== --- head/lib/libprocstat/libprocstat.c Wed May 1 15:01:05 2013 (r250146) +++ head/lib/libprocstat/libprocstat.c Wed May 1 15:02:58 2013 (r250147) @@ -2114,8 +2114,10 @@ procstat_getpathname(struct procstat *pr { switch(procstat->type) { case PROCSTAT_KVM: - warnx("kvm method is not supported"); - return (-1); + /* XXX: Return empty string. */ + if (maxlen > 0) + pathname[0] = '\0'; + return (0); case PROCSTAT_SYSCTL: return (procstat_getpathname_sysctl(kp->ki_pid, pathname, maxlen));
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