memset(ctx->prefix_cache, 0, sizeof(char *)*MANGLE_CACHE_SIZE);
memset(ctx->prefix_cache_hashes, 0, sizeof(uint32_t)*MANGLE_CACHE_SIZE);
- ctx->mangle_prefix = lp_parm_int(-1, "mangle", "prefix");
+ ctx->mangle_prefix = lp_parm_int(-1, "mangle", "prefix", -1);
if (ctx->mangle_prefix < 0 || ctx->mangle_prefix > 6) {
ctx->mangle_prefix = DEFAULT_MANGLE_PREFIX;
}