From patchwork Wed Dec 5 01:52:45 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joe Hershberger X-Patchwork-Id: 203764 X-Patchwork-Delegate: trini@ti.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from theia.denx.de (theia.denx.de [85.214.87.163]) by ozlabs.org (Postfix) with ESMTP id DEC062C0094 for ; Wed, 5 Dec 2012 12:56:07 +1100 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id E15D34A152; Wed, 5 Dec 2012 02:55:39 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Dxx-khJu1lp2; Wed, 5 Dec 2012 02:55:39 +0100 (CET) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 6D6604A153; Wed, 5 Dec 2012 02:54:01 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id E10F04A120 for ; Wed, 5 Dec 2012 02:53:44 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id zyjdwngqytDK for ; Wed, 5 Dec 2012 02:53:44 +0100 (CET) X-policyd-weight: NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5 NOT_IN_BL_NJABL=-1.5 (only DNSBL check requested) Received: from spamkiller06.natinst.com (mailserver6.natinst.com [130.164.80.6]) by theia.denx.de (Postfix) with ESMTP id 3EF2F4A0EB for ; Wed, 5 Dec 2012 02:53:28 +0100 (CET) Received: from mailserv59-us.natinst.com (nb-hsrp-1338.natinst.com [130.164.19.133]) by spamkiller06.natinst.com (8.14.5/8.14.5) with ESMTP id qB51rKeO027764; Tue, 4 Dec 2012 19:53:20 -0600 Received: from linux-xvxi.natinst.com ([130.164.14.197]) by mailserv59-us.natinst.com (Lotus Domino Release 8.5.3FP2 HF169) with ESMTP id 2012120419532081-86118 ; Tue, 4 Dec 2012 19:53:20 -0600 From: Joe Hershberger To: u-boot@lists.denx.de Date: Tue, 4 Dec 2012 19:52:45 -0600 Message-Id: <1354672367-23747-19-git-send-email-joe.hershberger@ni.com> X-Mailer: git-send-email 1.7.11.5 In-Reply-To: <1354672367-23747-1-git-send-email-joe.hershberger@ni.com> References: <1351787996-24560-1-git-send-email-joe.hershberger@ni.com> <1354672367-23747-1-git-send-email-joe.hershberger@ni.com> X-MIMETrack: Itemize by SMTP Server on MailServ59-US/AUS/H/NIC(Release 8.5.3FP2 HF169|September 14, 2012) at 12/04/2012 07:53:20 PM, Serialize by Router on MailServ59-US/AUS/H/NIC(Release 8.5.3FP2 HF169|September 14, 2012) at 12/04/2012 07:53:20 PM, Serialize complete at 12/04/2012 07:53:20 PM X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.9.8185, 1.0.431, 0.0.0000 definitions=2012-12-04_10:2012-12-04, 2012-12-04, 1970-01-01 signatures=0 Cc: Tom Rini , Joe Hershberger , Gerlando Falauto Subject: [U-Boot] [PATCH v4 18/20] env: Add setenv force support X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.11 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de Now that we have support for permissions, add a way to override them. Signed-off-by: Joe Hershberger --- Changes in v4: - Add force support to setenv Changes in v3: None Changes in v2: None common/cmd_nvedit.c | 29 +++++++++++++++++++++++------ 1 file changed, 23 insertions(+), 6 deletions(-) diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c index a78627d..3de1d5b 100644 --- a/common/cmd_nvedit.c +++ b/common/cmd_nvedit.c @@ -200,7 +200,24 @@ static int _do_env_set(int flag, int argc, char * const argv[]) int i, len; char *name, *value, *s; ENTRY e, *ep; + int env_flag = H_INTERACTIVE; + debug("Initial value for argc=%d\n", argc); + while (argc > 1 && **(argv + 1) == '-') { + char *arg = *++argv; + + --argc; + while (*++arg) { + switch (*arg) { + case 'f': /* force */ + env_flag |= H_FORCE; + break; + default: + return CMD_RET_USAGE; + } + } + } + debug("Final value for argc=%d\n", argc); name = argv[1]; value = argv[2]; @@ -214,7 +231,7 @@ static int _do_env_set(int flag, int argc, char * const argv[]) /* Delete only ? */ if (argc < 3 || argv[2] == NULL) { - int rc = hdelete_r(name, &env_htab, H_INTERACTIVE); + int rc = hdelete_r(name, &env_htab, env_flag); return !rc; } @@ -241,7 +258,7 @@ static int _do_env_set(int flag, int argc, char * const argv[]) e.key = name; e.data = value; - hsearch_r(e, ENTER, &ep, &env_htab, H_INTERACTIVE); + hsearch_r(e, ENTER, &ep, &env_htab, env_flag); free(value); if (!ep) { printf("## Error inserting \"%s\" variable, errno=%d\n", @@ -1105,10 +1122,10 @@ U_BOOT_CMD_COMPLETE( U_BOOT_CMD_COMPLETE( setenv, CONFIG_SYS_MAXARGS, 0, do_env_set, "set environment variables", - "name value ...\n" - " - set environment variable 'name' to 'value ...'\n" - "setenv name\n" - " - delete environment variable 'name'", + "[-f] name value ...\n" + " - [forcibly] set environment variable 'name' to 'value ...'\n" + "setenv [-f] name\n" + " - [forcibly] delete environment variable 'name'", var_complete );