X-Git-Url: http://git.archive.openwrt.org/?p=project%2Flibubox.git;a=blobdiff_plain;f=blobmsg.c;h=c2bb7179fb66c15afd468e36e23426c927ea0f46;hp=b3e485dadb54e9d15fa0dbe8e1b2d96cac5be07e;hb=HEAD;hpb=93a4cb92c18334af6f102eb76a812d8e888510d4 diff --git a/blobmsg.c b/blobmsg.c index b3e485d..c2bb717 100644 --- a/blobmsg.c +++ b/blobmsg.c @@ -20,6 +20,7 @@ static const int blob_type[__BLOBMSG_TYPE_LAST] = { [BLOBMSG_TYPE_INT16] = BLOB_ATTR_INT16, [BLOBMSG_TYPE_INT32] = BLOB_ATTR_INT32, [BLOBMSG_TYPE_INT64] = BLOB_ATTR_INT64, + [BLOBMSG_TYPE_DOUBLE] = BLOB_ATTR_DOUBLE, [BLOBMSG_TYPE_STRING] = BLOB_ATTR_STRING, [BLOBMSG_TYPE_UNSPEC] = BLOB_ATTR_BINARY, }; @@ -62,11 +63,12 @@ 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) +int blobmsg_check_array(const struct blob_attr *attr, int type) { struct blob_attr *cur; bool name; int rem; + int size = 0; switch (blobmsg_type(attr)) { case BLOBMSG_TYPE_TABLE: @@ -76,22 +78,29 @@ bool blobmsg_check_attr_list(const struct blob_attr *attr, int type) name = false; break; default: - return false; + return -1; } blobmsg_for_each_attr(cur, attr, rem) { - if (blobmsg_type(cur) != type) - return false; + if (type != BLOBMSG_TYPE_UNSPEC && blobmsg_type(cur) != type) + return -1; if (!blobmsg_check_attr(cur, name)) - return false; + return -1; + + size++; } - return true; + return size; +} + +bool blobmsg_check_attr_list(const struct blob_attr *attr, int type) +{ + return blobmsg_check_array(attr, type) >= 0; } 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; @@ -118,7 +127,7 @@ 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; @@ -212,38 +221,49 @@ blobmsg_open_nested(struct blob_buf *buf, const char *name, bool array) name = ""; head = blobmsg_new(buf, type, name, 0, &data); + if (!head) + return NULL; blob_set_raw_len(buf->head, blob_pad_len(buf->head) - blobmsg_hdrlen(strlen(name))); buf->head = head; return (void *)offset; } -void +int blobmsg_vprintf(struct blob_buf *buf, const char *name, const char *format, va_list arg) { va_list arg2; char cbuf; - int len; + char *sbuf; + int len, ret; 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); + sbuf = blobmsg_alloc_string_buffer(buf, name, len + 1); + if (!sbuf) + return -1; + ret = vsprintf(sbuf, format, arg); blobmsg_add_string_buffer(buf); + + return ret; } -void +int blobmsg_printf(struct blob_buf *buf, const char *name, const char *format, ...) { va_list ap; + int ret; va_start(ap, format); - blobmsg_vprintf(buf, name, format, ap); + ret = blobmsg_vprintf(buf, name, format, ap); va_end(ap); + + return ret; } 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; @@ -252,7 +272,6 @@ blobmsg_alloc_string_buffer(struct blob_buf *buf, const char *name, int maxlen) if (!attr) return NULL; - data_dest = blobmsg_data(attr); blob_set_raw_len(buf->head, blob_pad_len(buf->head) - blob_pad_len(attr)); blob_set_raw_len(attr, blob_raw_len(attr) - maxlen); @@ -260,7 +279,7 @@ blobmsg_alloc_string_buffer(struct blob_buf *buf, const char *name, int maxlen) } void * -blobmsg_realloc_string_buffer(struct blob_buf *buf, int maxlen) +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; @@ -269,7 +288,8 @@ blobmsg_realloc_string_buffer(struct blob_buf *buf, int maxlen) if (required <= 0) goto out; - blob_buf_grow(buf, required); + if (!blob_buf_grow(buf, required)) + return NULL; attr = blob_next(buf->head); out: @@ -294,7 +314,7 @@ 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;