X-Git-Url: http://git.archive.openwrt.org/?a=blobdiff_plain;ds=sidebyside;f=blobmsg.c;h=2d584a110294708758987135d618d74c9f349fef;hb=bbdc3bdb0505437782f83d8d0480e759cbe7ea57;hp=0129640f8d0f27c760af0f0c783bafc5215e6882;hpb=08aada9a932b5abde3f18492568d5b2187b49a32;p=project%2Flibubox.git diff --git a/blobmsg.c b/blobmsg.c index 0129640..2d584a1 100644 --- a/blobmsg.c +++ b/blobmsg.c @@ -1,18 +1,18 @@ /* - * blobmsg - library for generating/parsing structured blob messages + * Copyright (C) 2010-2012 Felix Fietkau * - * Copyright (C) 2010 Felix Fietkau + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License version 2.1 - * as published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ - #include "blobmsg.h" static const int blob_type[__BLOBMSG_TYPE_LAST] = { @@ -61,6 +61,34 @@ bool blobmsg_check_attr(const struct blob_attr *attr, bool name) return blob_check_type(data, len, blob_type[id]); } +bool blobmsg_check_attr_list(const struct blob_attr *attr, int type) +{ + struct blob_attr *cur; + bool name; + int rem; + + switch (blobmsg_type(attr)) { + case BLOBMSG_TYPE_TABLE: + name = true; + break; + case BLOBMSG_TYPE_ARRAY: + name = false; + break; + default: + return false; + } + + blobmsg_for_each_attr(cur, attr, rem) { + if (blobmsg_type(cur) != type) + return false; + + if (!blobmsg_check_attr(cur, name)) + return false; + } + + return true; +} + int blobmsg_parse(const struct blobmsg_policy *policy, int policy_len, struct blob_attr **tb, void *data, int len) { @@ -114,6 +142,7 @@ blobmsg_new(struct blob_buf *buf, int type, const char *name, int payload_len, v struct blob_attr *attr; struct blobmsg_hdr *hdr; int attrlen, namelen; + char *pad_start, *pad_end; if (!name) name = ""; @@ -127,7 +156,10 @@ blobmsg_new(struct blob_buf *buf, int type, const char *name, int payload_len, v hdr = blob_data(attr); hdr->namelen = cpu_to_be16(namelen); strcpy((char *) hdr->name, (const char *)name); - *data = blobmsg_data(attr); + pad_end = *data = blobmsg_data(attr); + pad_start = (char *) &hdr->name[namelen]; + if (pad_start < pad_end) + memset(pad_start, 0, pad_end - pad_start); return attr; } @@ -184,6 +216,8 @@ blobmsg_add_string_buffer(struct blob_buf *buf) attrlen = blob_raw_len(attr) + len; blob_set_raw_len(attr, attrlen); + blob_fill_pad(attr); + blob_set_raw_len(buf->head, blob_raw_len(buf->head) + blob_pad_len(attr)); }