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fix overflow in print hex

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iceman1001 2022-07-04 22:10:23 +02:00
parent 009b91e096
commit 9407be8ea8
1 changed files with 2 additions and 1 deletions
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client/src/util.c
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@ -189,7 +189,8 @@ void hex_to_buffer(uint8_t *buf, const uint8_t *hex_data, const size_t hex_len,
size_t max_len = (hex_len > hex_max_len) ? hex_max_len : hex_len;
size_t i;
for (i = 0; i < max_len; ++i, tmp += 2 + spaces_between) {
for (i = 0; i < max_len && (tmp - tmp_base); ++i, tmp += 2 + spaces_between) {
snprintf(tmp, hex_max_len - (tmp - tmp_base), (uppercase) ? "%02X" : "%02x", (unsigned int) hex_data[i]);
for (size_t j = 0; j < spaces_between; j++)