X-Git-Url: http://git.openwrt.org/?a=blobdiff_plain;f=blobmsg_json.c;h=ec8b482c30c96a355aca58651632bc509a16bedf;hb=12bda4bdb1971385fd787737e8eec5a2eeb0deed;hp=aedc2da22ebce1b6fc1f34f0757bd9d905a6a798;hpb=a36ee96618a9613c234d1f4404769becdf5c55e3;p=project%2Flibubox.git

diff --git a/blobmsg_json.c b/blobmsg_json.c
index aedc2da..ec8b482 100644
--- a/blobmsg_json.c
+++ b/blobmsg_json.c
@@ -151,15 +151,15 @@ static bool blobmsg_puts(struct strbuf *s, const char *c, int len)
 
 static void add_separator(struct strbuf *s)
 {
-	const char *indent_chars = "\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t";
+	const char indent_chars[] = "\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t";
 	size_t len;
 
 	if (!s->indent)
 		return;
 
 	len = s->indent_level + 1;
-	if (len > strlen(indent_chars))
-		len = strlen(indent_chars);
+	if (len > sizeof(indent_chars) - 1)
+		len = sizeof(indent_chars) - 1;
 
 	blobmsg_puts(s, indent_chars, len);
 }
@@ -208,7 +208,7 @@ static void blobmsg_format_string(struct strbuf *s, const char *str)
 		buf[1] = escape;
 
 		if (escape == 'u') {
-			sprintf(buf + 4, "%02x", (unsigned char) *p);
+			snprintf(buf + 4, sizeof(buf) - 4, "%02x", (unsigned char) *p);
 			len = 6;
 		} else {
 			len = 2;
@@ -225,7 +225,7 @@ static void blobmsg_format_json_list(struct strbuf *s, struct blob_attr *attr, i
 static void blobmsg_format_element(struct strbuf *s, struct blob_attr *attr, bool without_name, bool head)
 {
 	const char *data_str;
-	char buf[32];
+	char buf[317];
 	void *data;
 	int len;
 
@@ -249,22 +249,22 @@ static void blobmsg_format_element(struct strbuf *s, struct blob_attr *attr, boo
 	data_str = buf;
 	switch(blob_id(attr)) {
 	case BLOBMSG_TYPE_UNSPEC:
-		sprintf(buf, "null");
+		snprintf(buf, sizeof(buf), "null");
 		break;
 	case BLOBMSG_TYPE_BOOL:
-		sprintf(buf, "%s", *(uint8_t *)data ? "true" : "false");
+		snprintf(buf, sizeof(buf), "%s", *(uint8_t *)data ? "true" : "false");
 		break;
 	case BLOBMSG_TYPE_INT16:
-		sprintf(buf, "%d", (int16_t) be16_to_cpu(*(uint16_t *)data));
+		snprintf(buf, sizeof(buf), "%" PRId16, (int16_t) be16_to_cpu(*(uint16_t *)data));
 		break;
 	case BLOBMSG_TYPE_INT32:
-		sprintf(buf, "%d", (int32_t) be32_to_cpu(*(uint32_t *)data));
+		snprintf(buf, sizeof(buf), "%" PRId32, (int32_t) be32_to_cpu(*(uint32_t *)data));
 		break;
 	case BLOBMSG_TYPE_INT64:
-		sprintf(buf, "%" PRId64, (int64_t) be64_to_cpu(*(uint64_t *)data));
+		snprintf(buf, sizeof(buf), "%" PRId64, (int64_t) be64_to_cpu(*(uint64_t *)data));
 		break;
 	case BLOBMSG_TYPE_DOUBLE:
-		sprintf(buf, "%lf", blobmsg_get_double(attr));
+		snprintf(buf, sizeof(buf), "%lf", blobmsg_get_double(attr));
 		break;
 	case BLOBMSG_TYPE_STRING:
 		blobmsg_format_string(s, data);