fix print_buffer out-of-boundaries bug

2020-12-19 19:32:06 +01:00
parent 97eaab27a1
commit 415dd84a8d
1 changed files with 3 additions and 1 deletions
--- a/client/src/util.c
+++ b/client/src/util.c
@@ -208,7 +208,9 @@ void print_buffer(const uint8_t *data, const size_t len, int level) {
    char buf[UTIL_BUFFER_SIZE_SPRINT + 3];
    int i;
    for (i = 0; i < len; i += 16) {
-
+        if (len - i < 16) { // incomplete block, will be treated out of the loop
+            break;
+        }
        // (16 * 3) + (16) +  + 1
        memset(buf, 0, sizeof(buf));
        sprintf(buf, "%*s%02x: ", (level * 4), " ", i);