From owner-svn-src-all@FreeBSD.ORG Sun Jun 30 08:36:20 2013 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 62C9ABD4; Sun, 30 Jun 2013 08:36:20 +0000 (UTC) (envelope-from trociny@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) by mx1.freebsd.org (Postfix) with ESMTP id 5361017CC; Sun, 30 Jun 2013 08:36:20 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.7/8.14.7) with ESMTP id r5U8aKDS013265; Sun, 30 Jun 2013 08:36:20 GMT (envelope-from trociny@svn.freebsd.org) Received: (from trociny@localhost) by svn.freebsd.org (8.14.7/8.14.5/Submit) id r5U8aKfe013264; Sun, 30 Jun 2013 08:36:20 GMT (envelope-from trociny@svn.freebsd.org) Message-Id: <201306300836.r5U8aKfe013264@svn.freebsd.org> From: Mikolaj Golub Date: Sun, 30 Jun 2013 08:36:20 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r252410 - stable/9/lib/libprocstat X-SVN-Group: stable-9 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 30 Jun 2013 08:36:20 -0000 Author: trociny Date: Sun Jun 30 08:36:19 2013 New Revision: 252410 URL: http://svnweb.freebsd.org/changeset/base/252410 Log: MFC r250378: Make errbuf optional, so if a caller is not interested in an error message she can pass NULL (procstat(1) already does this). Modified: stable/9/lib/libprocstat/libprocstat.c Directory Properties: stable/9/lib/libprocstat/ (props changed) Modified: stable/9/lib/libprocstat/libprocstat.c ============================================================================== --- stable/9/lib/libprocstat/libprocstat.c Sun Jun 30 07:46:22 2013 (r252409) +++ stable/9/lib/libprocstat/libprocstat.c Sun Jun 30 08:36:19 2013 (r252410) @@ -902,7 +902,8 @@ procstat_get_pipe_info(struct procstat * return (procstat_get_pipe_info_sysctl(fst, ps, errbuf)); } else { warnx("unknown access method: %d", procstat->type); - snprintf(errbuf, _POSIX2_LINE_MAX, "error"); + if (errbuf != NULL) + snprintf(errbuf, _POSIX2_LINE_MAX, "error"); return (1); } } @@ -931,7 +932,8 @@ procstat_get_pipe_info_kvm(kvm_t *kd, st return (0); fail: - snprintf(errbuf, _POSIX2_LINE_MAX, "error"); + if (errbuf != NULL) + snprintf(errbuf, _POSIX2_LINE_MAX, "error"); return (1); } @@ -967,7 +969,8 @@ procstat_get_pts_info(struct procstat *p return (procstat_get_pts_info_sysctl(fst, pts, errbuf)); } else { warnx("unknown access method: %d", procstat->type); - snprintf(errbuf, _POSIX2_LINE_MAX, "error"); + if (errbuf != NULL) + snprintf(errbuf, _POSIX2_LINE_MAX, "error"); return (1); } } @@ -995,7 +998,8 @@ procstat_get_pts_info_kvm(kvm_t *kd, str return (0); fail: - snprintf(errbuf, _POSIX2_LINE_MAX, "error"); + if (errbuf != NULL) + snprintf(errbuf, _POSIX2_LINE_MAX, "error"); return (1); } @@ -1030,7 +1034,8 @@ procstat_get_sem_info(struct procstat *p return (procstat_get_sem_info_sysctl(fst, sem, errbuf)); } else { warnx("unknown access method: %d", procstat->type); - snprintf(errbuf, _POSIX2_LINE_MAX, "error"); + if (errbuf != NULL) + snprintf(errbuf, _POSIX2_LINE_MAX, "error"); return (1); } } @@ -1076,7 +1081,8 @@ procstat_get_sem_info_kvm(kvm_t *kd, str return (0); fail: - snprintf(errbuf, _POSIX2_LINE_MAX, "error"); + if (errbuf != NULL) + snprintf(errbuf, _POSIX2_LINE_MAX, "error"); return (1); } @@ -1111,7 +1117,8 @@ procstat_get_shm_info(struct procstat *p return (procstat_get_shm_info_sysctl(fst, shm, errbuf)); } else { warnx("unknown access method: %d", procstat->type); - snprintf(errbuf, _POSIX2_LINE_MAX, "error"); + if (errbuf != NULL) + snprintf(errbuf, _POSIX2_LINE_MAX, "error"); return (1); } } @@ -1157,7 +1164,8 @@ procstat_get_shm_info_kvm(kvm_t *kd, str return (0); fail: - snprintf(errbuf, _POSIX2_LINE_MAX, "error"); + if (errbuf != NULL) + snprintf(errbuf, _POSIX2_LINE_MAX, "error"); return (1); } @@ -1192,7 +1200,8 @@ procstat_get_vnode_info(struct procstat return (procstat_get_vnode_info_sysctl(fst, vn, errbuf)); } else { warnx("unknown access method: %d", procstat->type); - snprintf(errbuf, _POSIX2_LINE_MAX, "error"); + if (errbuf != NULL) + snprintf(errbuf, _POSIX2_LINE_MAX, "error"); return (1); } } @@ -1264,7 +1273,8 @@ procstat_get_vnode_info_kvm(kvm_t *kd, s break; } if (i == NTYPES) { - snprintf(errbuf, _POSIX2_LINE_MAX, "?(%s)", tagstr); + if (errbuf != NULL) + snprintf(errbuf, _POSIX2_LINE_MAX, "?(%s)", tagstr); return (1); } vn->vn_mntdir = getmnton(kd, vnode.v_mount); @@ -1278,7 +1288,8 @@ procstat_get_vnode_info_kvm(kvm_t *kd, s return (0); fail: - snprintf(errbuf, _POSIX2_LINE_MAX, "error"); + if (errbuf != NULL) + snprintf(errbuf, _POSIX2_LINE_MAX, "error"); return (1); } @@ -1359,7 +1370,10 @@ procstat_get_vnode_info_sysctl(struct fi if (vntype == PS_FST_VTYPE_VNON || vntype == PS_FST_VTYPE_VBAD) return (0); if ((status & KF_ATTR_VALID) == 0) { - snprintf(errbuf, _POSIX2_LINE_MAX, "? (no info available)"); + if (errbuf != NULL) { + snprintf(errbuf, _POSIX2_LINE_MAX, + "? (no info available)"); + } return (1); } if (path && *path) { @@ -1400,7 +1414,8 @@ procstat_get_socket_info(struct procstat return (procstat_get_socket_info_sysctl(fst, sock, errbuf)); } else { warnx("unknown access method: %d", procstat->type); - snprintf(errbuf, _POSIX2_LINE_MAX, "error"); + if (errbuf != NULL) + snprintf(errbuf, _POSIX2_LINE_MAX, "error"); return (1); } } @@ -1498,7 +1513,8 @@ procstat_get_socket_info_kvm(kvm_t *kd, return (0); fail: - snprintf(errbuf, _POSIX2_LINE_MAX, "error"); + if (errbuf != NULL) + snprintf(errbuf, _POSIX2_LINE_MAX, "error"); return (1); }