Function agent_json_key_equals

src/cli/agent_clients.c:870–912

}

static bool agent_json_key_equals(const char *data, size_t start, size_t end, const char *key) {
    if (end < start) {
        return false;
    }
    size_t key_offset = 0U;
    size_t key_len = strlen(key);
    for (size_t cursor = start; cursor < end;) {
        unsigned value = (unsigned char)data[cursor++];
        if (value == '\\') {
            if (cursor >= end) {
                return false;
            }
            char escape = data[cursor++];
            if (escape == 'u' || escape == 'x') {
                size_t digits = escape == 'u' ? 4U : 2U;
                if (end - cursor < digits) {
                    return false;
                }
                value = 0U;
                for (size_t i = 0U; i < digits; i++) {
                    unsigned char digit = (unsigned char)data[cursor++];
                    if (digit >= '0' && digit <= '9') {
                        value = value * 16U + (unsigned)(digit - '0');
                    } else if (digit >= 'a' && digit <= 'f') {
                        value = value * 16U + (unsigned)(digit - 'a' + 10U);
                    } else if (digit >= 'A' && digit <= 'F') {
                        value = value * 16U + (unsigned)(digit - 'A' + 10U);
                    } else {
                        return false;
                    }
                }
            } else if (strchr("\\/\"'", escape)) {
                value = (unsigned char)escape;
            } else {
                return false;
            }
        }
        if (value > 0x7fU || key_offset >= key_len || (unsigned char)key[key_offset++] != value) {
            return false;
        }
    }
    return key_offset == key_len;
}

/* Returns 0 found, 1 absent, -1 malformed/ambiguous/not-an-object. */
static int agent_json_find_member(const char *data, size_t object_start, size_t object_end,