From owner-svn-src-stable@freebsd.org Mon Dec 12 02:14:44 2016 Return-Path: Delivered-To: svn-src-stable@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 2E41EC73F02; Mon, 12 Dec 2016 02:14:44 +0000 (UTC) (envelope-from delphij@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::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 D7B041E0; Mon, 12 Dec 2016 02:14:43 +0000 (UTC) (envelope-from delphij@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id uBC2EhUM065936; Mon, 12 Dec 2016 02:14:43 GMT (envelope-from delphij@FreeBSD.org) Received: (from delphij@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id uBC2EhjR065935; Mon, 12 Dec 2016 02:14:43 GMT (envelope-from delphij@FreeBSD.org) Message-Id: <201612120214.uBC2EhjR065935@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: delphij set sender to delphij@FreeBSD.org using -f From: Xin LI Date: Mon, 12 Dec 2016 02:14:43 +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: r309867 - stable/10/bin/kenv X-SVN-Group: stable-10 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Dec 2016 02:14:44 -0000 Author: delphij Date: Mon Dec 12 02:14:42 2016 New Revision: 309867 URL: https://svnweb.freebsd.org/changeset/base/309867 Log: MFC r309238,309239: r309238: Plug a potential memory leak. r309239: style(9). Modified: stable/10/bin/kenv/kenv.c Directory Properties: stable/10/ (props changed) Modified: stable/10/bin/kenv/kenv.c ============================================================================== --- stable/10/bin/kenv/kenv.c Mon Dec 12 02:13:35 2016 (r309866) +++ stable/10/bin/kenv/kenv.c Mon Dec 12 02:14:42 2016 (r309867) @@ -63,7 +63,6 @@ main(int argc, char **argv) char *env, *eq, *val; int ch, error; - error = 0; val = NULL; env = NULL; while ((ch = getopt(argc, argv, "hNquv")) != -1) { @@ -128,7 +127,7 @@ main(int argc, char **argv) static int kdumpenv(void) { - char *buf, *cp; + char *buf, *bp, *cp; int buflen, envlen; envlen = kenv(KENV_DUMP, NULL, NULL, 0); @@ -136,10 +135,9 @@ kdumpenv(void) return (-1); for (;;) { buflen = envlen * 120 / 100; - buf = malloc(buflen + 1); + buf = calloc(1, buflen + 1); if (buf == NULL) return (-1); - memset(buf, 0, buflen + 1); /* Be defensive */ envlen = kenv(KENV_DUMP, NULL, buf, buflen); if (envlen < 0) { free(buf); @@ -151,21 +149,23 @@ kdumpenv(void) break; } - for (; *buf != '\0'; buf += strlen(buf) + 1) { + for (bp = buf; *bp != '\0'; bp += strlen(bp) + 1) { if (hflag) { - if (strncmp(buf, "hint.", 5) != 0) + if (strncmp(bp, "hint.", 5) != 0) continue; } - cp = strchr(buf, '='); + cp = strchr(bp, '='); if (cp == NULL) continue; *cp++ = '\0'; if (Nflag) - printf("%s\n", buf); + printf("%s\n", bp); else - printf("%s=\"%s\"\n", buf, cp); - buf = cp; + printf("%s=\"%s\"\n", bp, cp); + bp = cp; } + + free(buf); return (0); } @@ -190,7 +190,7 @@ ksetenv(const char *env, char *val) { int ret; - ret = kenv(KENV_SET, env, val, strlen(val)+1); + ret = kenv(KENV_SET, env, val, strlen(val) + 1); if (ret == 0) printf("%s=\"%s\"\n", env, val); return (ret); @@ -200,7 +200,7 @@ static int kunsetenv(const char *env) { int ret; - + ret = kenv(KENV_UNSET, env, NULL, 0); return (ret); }