Date: Wed, 9 Jul 2014 19:12:19 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r268467 - head/lib/libc/gen Message-ID: <201407091912.s69JCJhl067755@svn.freebsd.org>
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Author: kib Date: Wed Jul 9 19:12:18 2014 New Revision: 268467 URL: http://svnweb.freebsd.org/changeset/base/268467 Log: Implement sysconf(_SC_GETGR_R_SIZE_MAX) and sysconf(_SC_GETPW_R_SIZE_MAX). Reported by: Dmitry Sivachenko <trtrmitya@gmail.com> Sponsored by: The FreeBSD Foundation MFC after: 1 week Modified: head/lib/libc/gen/sysconf.c Modified: head/lib/libc/gen/sysconf.c ============================================================================== --- head/lib/libc/gen/sysconf.c Wed Jul 9 19:11:57 2014 (r268466) +++ head/lib/libc/gen/sysconf.c Wed Jul 9 19:12:18 2014 (r268467) @@ -367,11 +367,17 @@ yesno: * _POSIX_FILE_LOCKING, so we can't answer this one. */ #endif -#if _POSIX_THREAD_SAFE_FUNCTIONS > -1 + + /* + * SUSv4tc1 says the following about _SC_GETGR_R_SIZE_MAX and + * _SC_GETPW_R_SIZE_MAX: + * Note that sysconf(_SC_GETGR_R_SIZE_MAX) may return -1 if + * there is no hard limit on the size of the buffer needed to + * store all the groups returned. + */ case _SC_GETGR_R_SIZE_MAX: case _SC_GETPW_R_SIZE_MAX: -#error "somebody needs to implement this" -#endif + return (-1); case _SC_HOST_NAME_MAX: return (MAXHOSTNAMELEN - 1); /* does not include \0 */ case _SC_LOGIN_NAME_MAX:
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