Add stricter checks for netnames.

[tinc] / src / buffer.c

diff --git a/src/buffer.c b/src/buffer.c
index 315faf1..ac57d1c 100644 (file)
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -57,7 +57,7 @@ char *buffer_prepare(buffer_t *buffer, int size) {
 }
 
 // Copy data into the buffer.
-                       
+
 void buffer_add(buffer_t *buffer, const char *data, int size) {
        memcpy(buffer_prepare(buffer, size), data, size);
 }
@@ -101,7 +101,7 @@ char *buffer_read(buffer_t *buffer, int size) {
 
 void buffer_clear(buffer_t *buffer) {
        free(buffer->data);
-       buffer->data = 0;
+       buffer->data = NULL;
        buffer->maxlen = 0;
        buffer->len = 0;
        buffer->offset = 0;