From owner-svn-src-all@freebsd.org Mon Oct 5 09:46:24 2015 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 844DC9B1018; Mon, 5 Oct 2015 09:46:24 +0000 (UTC) (envelope-from mav@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 69C416E5; Mon, 5 Oct 2015 09:46:24 +0000 (UTC) (envelope-from mav@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.70]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id t959kOOD052635; Mon, 5 Oct 2015 09:46:24 GMT (envelope-from mav@FreeBSD.org) Received: (from mav@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id t959kNbt052631; Mon, 5 Oct 2015 09:46:23 GMT (envelope-from mav@FreeBSD.org) Message-Id: <201510050946.t959kNbt052631@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: mav set sender to mav@FreeBSD.org using -f From: Alexander Motin Date: Mon, 5 Oct 2015 09:46:23 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r288766 - in stable/10/sys: conf libkern sys X-SVN-Group: stable-10 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: 2.1.20 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: Mon, 05 Oct 2015 09:46:24 -0000 Author: mav Date: Mon Oct 5 09:46:23 2015 New Revision: 288766 URL: https://svnweb.freebsd.org/changeset/base/288766 Log: MFC r279433 (by rstone): Implement asprintf in libkern Added: stable/10/sys/libkern/asprintf.c - copied unchanged from r279433, head/sys/libkern/asprintf.c Modified: stable/10/sys/conf/files stable/10/sys/sys/systm.h Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/conf/files ============================================================================== --- stable/10/sys/conf/files Mon Oct 5 09:26:52 2015 (r288765) +++ stable/10/sys/conf/files Mon Oct 5 09:46:23 2015 (r288766) @@ -3215,6 +3215,7 @@ kgssapi/gsstest.c optional kgssapi_debu # the file should be moved to conf/files. from here. # libkern/arc4random.c standard +libkern/asprintf.c standard libkern/bcd.c standard libkern/bsearch.c standard libkern/crc32.c standard Copied: stable/10/sys/libkern/asprintf.c (from r279433, head/sys/libkern/asprintf.c) ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ stable/10/sys/libkern/asprintf.c Mon Oct 5 09:46:23 2015 (r288766, copy of r279433, head/sys/libkern/asprintf.c) @@ -0,0 +1,77 @@ +/*- + * Copyright (c) 2013-2015 Sandvine Inc. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include +__FBSDID("$FreeBSD$"); + +#include +#include +#include + +#include + +int +vasprintf(char **buf, struct malloc_type *mtp, const char *format, va_list va) +{ + int len, ret; + va_list tmp_va; + char dummy; + + va_copy(tmp_va, va); + len = vsnprintf(&dummy, 0, format, tmp_va); + va_end(tmp_va); + if (len < 0) { + *buf = NULL; + return (len); + } + + /* Account for null terminator. */ + len += 1; + *buf = malloc(len, mtp, M_NOWAIT); + if (*buf == NULL) + return (-1); + + ret = vsnprintf(*buf, len, format, va); + if (ret < 0) { + free(*buf, mtp); + *buf = NULL; + } + + return (ret); +} + +int +asprintf(char **buf, struct malloc_type *mtp, const char *format, ...) +{ + int ret; + va_list va; + + va_start(va, format); + ret = vasprintf(buf, mtp, format, va); + va_end(va); + + return (ret); +} Modified: stable/10/sys/sys/systm.h ============================================================================== --- stable/10/sys/sys/systm.h Mon Oct 5 09:26:52 2015 (r288765) +++ stable/10/sys/sys/systm.h Mon Oct 5 09:46:23 2015 (r288766) @@ -206,11 +206,15 @@ int kvprintf(char const *, void (*)(int, __va_list) __printflike(1, 0); void log(int, const char *, ...) __printflike(2, 3); void log_console(struct uio *); +int asprintf(char **ret, struct malloc_type *mtp, const char *format, + ...) __printflike(3, 4); int printf(const char *, ...) __printflike(1, 2); int snprintf(char *, size_t, const char *, ...) __printflike(3, 4); int sprintf(char *buf, const char *, ...) __printflike(2, 3); int uprintf(const char *, ...) __printflike(1, 2); int vprintf(const char *, __va_list) __printflike(1, 0); +int vasprintf(char **ret, struct malloc_type *mtp, const char *format, + __va_list ap) __printflike(3, 0); int vsnprintf(char *, size_t, const char *, __va_list) __printflike(3, 0); int vsnrprintf(char *, size_t, int, const char *, __va_list) __printflike(4, 0); int vsprintf(char *buf, const char *, __va_list) __printflike(2, 0);