Function internal_find_param

src/sip_parser.cpp:505–529

}

static const char* internal_find_param(const char* ptr, const char* name)
{
    int namelen = strlen(name);

    while (1) {
        ptr = internal_hdrchr(ptr, ';');
        if (!ptr) {
            return nullptr;
        }
        ++ptr;

        ptr = internal_skip_lws(ptr);
        if (!ptr || !*ptr) {
            return nullptr;
        }

        /* Case insensitive, see RFC 3261 7.3.1 notes above. */
        if (strncasecmp(ptr, name, namelen) == 0 && *(ptr + namelen) == '=') {
            ptr += namelen + 1;
            return ptr;
        }
    }

    return nullptr; /* never gets here */
}

static const char* internal_skip_lws(const char* ptr)
{