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  • uspace/srv/hid/rfb/rfb.c

    r1569a9b rb7fd2a0  
    6262
    6363/** Receive one character (with buffering) */
    64 static int recv_char(tcp_conn_t *conn, char *c)
     64static errno_t recv_char(tcp_conn_t *conn, char *c)
    6565{
    6666        size_t nrecv;
    67         int rc;
     67        errno_t rc;
    6868
    6969        if (rbuf_out == rbuf_in) {
     
    8383
    8484/** Receive count characters (with buffering) */
    85 static int recv_chars(tcp_conn_t *conn, char *c, size_t count)
     85static errno_t recv_chars(tcp_conn_t *conn, char *c, size_t count)
    8686{
    8787        for (size_t i = 0; i < count; i++) {
    88                 int rc = recv_char(conn, c);
     88                errno_t rc = recv_char(conn, c);
    8989                if (rc != EOK)
    9090                        return rc;
     
    9494}
    9595
    96 static int recv_skip_chars(tcp_conn_t *conn, size_t count)
     96static errno_t recv_skip_chars(tcp_conn_t *conn, size_t count)
    9797{
    9898        for (size_t i = 0; i < count; i++) {
    9999                char c;
    100                 int rc = recv_char(conn, &c);
     100                errno_t rc = recv_char(conn, &c);
    101101                if (rc != EOK)
    102102                        return rc;
     
    173173}
    174174
    175 int rfb_init(rfb_t *rfb, uint16_t width, uint16_t height, const char *name)
     175errno_t rfb_init(rfb_t *rfb, uint16_t width, uint16_t height, const char *name)
    176176{
    177177        memset(rfb, 0, sizeof(rfb_t));
     
    196196}
    197197
    198 int rfb_set_size(rfb_t *rfb, uint16_t width, uint16_t height)
     198errno_t rfb_set_size(rfb_t *rfb, uint16_t width, uint16_t height)
    199199{
    200200        size_t new_size = width * height * sizeof(pixel_t);
     
    216216}
    217217
    218 static int recv_message(tcp_conn_t *conn, char type, void *buf, size_t size)
     218static errno_t recv_message(tcp_conn_t *conn, char type, void *buf, size_t size)
    219219{
    220220        memcpy(buf, &type, 1);
     
    435435}
    436436
    437 static int rfb_tile_encode_solid(rfb_t *rfb, cpixel_ctx_t *cpixel,
     437static errno_t rfb_tile_encode_solid(rfb_t *rfb, cpixel_ctx_t *cpixel,
    438438    rfb_rectangle_t *tile, void *buf, size_t *size)
    439439{
     
    476476                        uint8_t tile_enctype = RFB_TILE_ENCODING_SOLID;
    477477                        size_t tile_size;
    478                         int rc = rfb_tile_encode_solid(rfb, &cpixel, &tile, buf,
     478                        errno_t rc = rfb_tile_encode_solid(rfb, &cpixel, &tile, buf,
    479479                            &tile_size);
    480480                        if (rc != EOK) {
     
    492492}
    493493
    494 static int rfb_send_framebuffer_update(rfb_t *rfb, tcp_conn_t *conn,
     494static errno_t rfb_send_framebuffer_update(rfb_t *rfb, tcp_conn_t *conn,
    495495    bool incremental)
    496496{
     
    556556       
    557557        if (!rfb->pixel_format.true_color) {
    558                 int rc = tcp_conn_send(conn, send_palette, send_palette_size);
     558                errno_t rc = tcp_conn_send(conn, send_palette, send_palette_size);
    559559                if (rc != EOK) {
    560560                        free(buf);
     
    563563        }
    564564       
    565         int rc = tcp_conn_send(conn, buf, buf_size);
     565        errno_t rc = tcp_conn_send(conn, buf, buf_size);
    566566        free(buf);
    567567       
     
    569569}
    570570
    571 static int rfb_set_pixel_format(rfb_t *rfb, rfb_pixel_format_t *pixel_format)
     571static errno_t rfb_set_pixel_format(rfb_t *rfb, rfb_pixel_format_t *pixel_format)
    572572{
    573573        rfb->pixel_format = *pixel_format;
     
    599599{
    600600        /* Version handshake */
    601         int rc = tcp_conn_send(conn, "RFB 003.008\n", 12);
     601        errno_t rc = tcp_conn_send(conn, "RFB 003.008\n", 12);
    602602        if (rc != EOK) {
    603603                log_msg(LOG_DEFAULT, LVL_WARN, "Failed sending server version: %s",
     
    759759}
    760760
    761 int rfb_listen(rfb_t *rfb, uint16_t port)
     761errno_t rfb_listen(rfb_t *rfb, uint16_t port)
    762762{
    763763        tcp_t *tcp = NULL;
    764764        tcp_listener_t *lst = NULL;
    765765        inet_ep_t ep;
    766         int rc;
     766        errno_t rc;
    767767       
    768768        rc = tcp_create(&tcp);
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