X-Git-Url: http://git.archive.openwrt.org/?p=project%2Flibubox.git;a=blobdiff_plain;f=blobmsg.c;h=8db2238256d510b8da8be084f6c7e3afae44355b;hp=12f603c774ab39a985982d88340344f61b619674;hb=4ab499899ce2ed884a1235ada501c39e355911e7;hpb=f1494cde4d22f5df91d581ef7242e80b1cb367de diff --git a/blobmsg.c b/blobmsg.c index 12f603c..8db2238 100644 --- a/blobmsg.c +++ b/blobmsg.c @@ -21,6 +21,7 @@ static const int blob_type[__BLOBMSG_TYPE_LAST] = { [BLOBMSG_TYPE_INT32] = BLOB_ATTR_INT32, [BLOBMSG_TYPE_INT64] = BLOB_ATTR_INT64, [BLOBMSG_TYPE_STRING] = BLOB_ATTR_STRING, + [BLOBMSG_TYPE_UNSPEC] = BLOB_ATTR_BINARY, }; static uint16_t @@ -52,7 +53,7 @@ bool blobmsg_check_attr(const struct blob_attr *attr, bool name) len = blobmsg_data_len(attr); data = blobmsg_data(attr); - if (!id || id > BLOBMSG_TYPE_LAST) + if (id > BLOBMSG_TYPE_LAST) return false; if (!blob_type[id]) @@ -61,11 +62,23 @@ 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, bool name) +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; @@ -77,6 +90,33 @@ bool blobmsg_check_attr_list(const struct blob_attr *attr, int type, bool name) return true; } +int blobmsg_parse_array(const struct blobmsg_policy *policy, int policy_len, + struct blob_attr **tb, void *data, int len) +{ + struct blob_attr *attr; + int i = 0; + + memset(tb, 0, policy_len * sizeof(*tb)); + __blob_for_each_attr(attr, data, len) { + if (policy[i].type != BLOBMSG_TYPE_UNSPEC && + blob_id(attr) != policy[i].type) + continue; + + if (!blobmsg_check_attr(attr, false)) + return -1; + + if (tb[i]) + continue; + + tb[i++] = attr; + if (i == policy_len) + break; + } + + return 0; +} + + int blobmsg_parse(const struct blobmsg_policy *policy, int policy_len, struct blob_attr **tb, void *data, int len) { @@ -193,6 +233,23 @@ blobmsg_alloc_string_buffer(struct blob_buf *buf, const char *name, int maxlen) return data_dest; } +void * +blobmsg_realloc_string_buffer(struct blob_buf *buf, int maxlen) +{ + struct blob_attr *attr = blob_next(buf->head); + int offset = attr_to_offset(buf, blob_next(buf->head)) + blob_pad_len(attr); + int required = maxlen - (buf->buflen - offset); + + if (required <= 0) + goto out; + + blob_buf_grow(buf, required); + attr = blob_next(buf->head); + +out: + return blobmsg_data(attr); +} + void blobmsg_add_string_buffer(struct blob_buf *buf) {