X-Git-Url: http://git.openwrt.org/?p=project%2Flibubox.git;a=blobdiff_plain;f=blobmsg.c;h=f31715209013c31a2ec7d0f493fca4c9e6c8b284;hp=e04fa53ddf28f2331b665fe957edf966b0903d98;hb=fd5b522ce6af8584a9c9259700b8916f06f85766;hpb=2f74dbad14b42c3a6687b093210b8604d0b235cd diff --git a/blobmsg.c b/blobmsg.c index e04fa53..f317152 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]) @@ -90,7 +91,7 @@ bool blobmsg_check_attr_list(const struct blob_attr *attr, int type) } int blobmsg_parse_array(const struct blobmsg_policy *policy, int policy_len, - struct blob_attr **tb, void *data, int len) + struct blob_attr **tb, void *data, unsigned int len) { struct blob_attr *attr; int i = 0; @@ -101,7 +102,7 @@ int blobmsg_parse_array(const struct blobmsg_policy *policy, int policy_len, blob_id(attr) != policy[i].type) continue; - if (!blobmsg_check_attr(attr, true)) + if (!blobmsg_check_attr(attr, false)) return -1; if (tb[i]) @@ -117,7 +118,7 @@ int blobmsg_parse_array(const struct blobmsg_policy *policy, int policy_len, int blobmsg_parse(const struct blobmsg_policy *policy, int policy_len, - struct blob_attr **tb, void *data, int len) + struct blob_attr **tb, void *data, unsigned int len) { struct blobmsg_hdr *hdr; struct blob_attr *attr; @@ -180,6 +181,7 @@ blobmsg_new(struct blob_buf *buf, int type, const char *name, int payload_len, v if (!attr) return NULL; + attr->id_len |= be32_to_cpu(BLOB_ATTR_EXTENDED); hdr = blob_data(attr); hdr->namelen = cpu_to_be16(namelen); strcpy((char *) hdr->name, (const char *)name); @@ -194,14 +196,14 @@ blobmsg_new(struct blob_buf *buf, int type, const char *name, int payload_len, v static inline int attr_to_offset(struct blob_buf *buf, struct blob_attr *attr) { - return (char *)attr - (char *) buf->buf; + return (char *)attr - (char *) buf->buf + BLOB_COOKIE; } void * blobmsg_open_nested(struct blob_buf *buf, const char *name, bool array) { - struct blob_attr *head = buf->head; + struct blob_attr *head; int type = array ? BLOBMSG_TYPE_ARRAY : BLOBMSG_TYPE_TABLE; unsigned long offset = attr_to_offset(buf, buf->head); void *data; @@ -215,8 +217,33 @@ blobmsg_open_nested(struct blob_buf *buf, const char *name, bool array) return (void *)offset; } +void +blobmsg_vprintf(struct blob_buf *buf, const char *name, const char *format, va_list arg) +{ + va_list arg2; + char cbuf; + int len; + + va_copy(arg2, arg); + len = vsnprintf(&cbuf, sizeof(cbuf), format, arg2); + va_end(arg2); + + vsprintf(blobmsg_alloc_string_buffer(buf, name, len + 1), format, arg); + blobmsg_add_string_buffer(buf); +} + +void +blobmsg_printf(struct blob_buf *buf, const char *name, const char *format, ...) +{ + va_list ap; + + va_start(ap, format); + blobmsg_vprintf(buf, name, format, ap); + va_end(ap); +} + void * -blobmsg_alloc_string_buffer(struct blob_buf *buf, const char *name, int maxlen) +blobmsg_alloc_string_buffer(struct blob_buf *buf, const char *name, unsigned int maxlen) { struct blob_attr *attr; void *data_dest; @@ -232,6 +259,23 @@ 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, unsigned int maxlen) +{ + struct blob_attr *attr = blob_next(buf->head); + int offset = attr_to_offset(buf, blob_next(buf->head)) + blob_pad_len(attr) - BLOB_COOKIE; + 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) { @@ -250,7 +294,7 @@ blobmsg_add_string_buffer(struct blob_buf *buf) int blobmsg_add_field(struct blob_buf *buf, int type, const char *name, - const void *data, int len) + const void *data, unsigned int len) { struct blob_attr *attr; void *data_dest;