Date: Wed, 16 Jul 2014 08:52:44 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r268741 - stable/10/lib/libc/gen Message-ID: <201407160852.s6G8qiiE054660@svn.freebsd.org>
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Author: kib Date: Wed Jul 16 08:52:44 2014 New Revision: 268741 URL: http://svnweb.freebsd.org/changeset/base/268741 Log: MFC r268467: Implement sysconf(_SC_GETGR_R_SIZE_MAX) and sysconf(_SC_GETPW_R_SIZE_MAX). Modified: stable/10/lib/libc/gen/sysconf.c Directory Properties: stable/10/ (props changed) Modified: stable/10/lib/libc/gen/sysconf.c ============================================================================== --- stable/10/lib/libc/gen/sysconf.c Wed Jul 16 06:25:44 2014 (r268740) +++ stable/10/lib/libc/gen/sysconf.c Wed Jul 16 08:52:44 2014 (r268741) @@ -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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