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fix print_buffer out-of-boundaries bug

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This commit is contained in:
Philippe Teuwen 2020-12-19 19:32:06 +01:00
commit 415dd84a8d
1 changed files with 3 additions and 1 deletions
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4
client/src/util.c
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@ -208,7 +208,9 @@ void print_buffer(const uint8_t *data, const size_t len, int level) {
char buf[UTIL_BUFFER_SIZE_SPRINT + 3]; char buf[UTIL_BUFFER_SIZE_SPRINT + 3];
int i; int i;
for (i = 0; i < len; i += 16) { 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 // (16 * 3) + (16) + + 1
memset(buf, 0, sizeof(buf)); memset(buf, 0, sizeof(buf));
sprintf(buf, "%*s%02x: ", (level * 4), " ", i); sprintf(buf, "%*s%02x: ", (level * 4), " ", i);