Attachment 61472 Details for Bug 23403 – Test case showing incorrect offset handling in xcb_sync_systemcounter_name

Test case showing incorrect offset handling in xcb_sync_systemcounter_name

synccounter.c (text/plain), 3.89 KB, created by Alan Coopersmith on 2012-05-11 22:17:49 UTC

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Creator: Alan Coopersmith

Created: 2012-05-11 22:17:49 UTC

Size: 3.89 KB

patch

obsolete

>/*
> * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
> *
> * Permission is hereby granted, free of charge, to any person obtaining a
> * copy of this software and associated documentation files (the "Software"),
> * to deal in the Software without restriction, including without limitation
> * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> * and/or sell copies of the Software, and to permit persons to whom the
> * Software is furnished to do so, subject to the following conditions:
> *
> * The above copyright notice and this permission notice (including the next
> * paragraph) shall be included in all copies or substantial portions of the
> * Software.
> *
> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
> * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
> * DEALINGS IN THE SOFTWARE.
> */
>
>/* Compile with:
> * cc -o synccounter synccounter.c `pkg-config --libs xcb xcb-sync xcb-event`
> */
>
>
>#include <xcb/xcb.h>
>#include <xcb/xproto.h>
>#include <xcb/sync.h>
>#include <xcb/xcb_event.h>
>
>#include <stdio.h>
>#include <stdlib.h>
>#include <string.h>
>#include <inttypes.h>
>
>/* Convert an xcb_sync_int64_t to a plain int64_t */
>static inline int64_t
>extract_int64(xcb_sync_int64_t *xsint64)
>{
>    return (((int64_t) xsint64->hi) << 32) | xsint64->lo;
>}
>
>static void 
>handle_xcb_error(xcb_connection_t *xconn, xcb_generic_error_t *error)
>{
>    const char *error_label = xcb_event_get_error_label(error->error_code);
>
>    if (error_label)
>        fprintf(stderr, "ERROR! %s\n", error_label);
>    else
>        fprintf(stderr, "ERROR! Unknown error (%d)\n", error->error_code);
>    xcb_disconnect(xconn);
>    exit(1);
>}
>
>int
>main (int argc, char **argv)
>{
>    xcb_connection_t *xconn = xcb_connect(NULL, NULL);
>    const xcb_query_extension_reply_t *sync_query;
>    xcb_sync_initialize_cookie_t sync_init_cookie;
>    xcb_sync_list_system_counters_cookie_t list_cookie;
>    xcb_sync_list_system_counters_reply_t *list_reply;
>    xcb_sync_systemcounter_iterator_t iter;
>    xcb_generic_error_t *error;
>
>    if ((xconn == NULL) || xcb_connection_has_error(xconn)) {
>        const char *display_name = getenv("DISPLAY");
>            
>        fprintf(stderr, "unable to open display \"%s\"",
>                display_name ? display_name : "");
>        exit(1);
>    }
>
>    sync_query = xcb_get_extension_data (xconn, &xcb_sync_id);
>    if (!sync_query->present) {
>        fputs("Error: X server does not support sync extension.\n",
>              stderr);
>        exit(1);
>    }
>
>    sync_init_cookie = xcb_sync_initialize(xconn,
>                            XCB_SYNC_MAJOR_VERSION, XCB_SYNC_MINOR_VERSION);
>
>    list_cookie = xcb_sync_list_system_counters(xconn);
>    list_reply = xcb_sync_list_system_counters_reply(xconn, list_cookie,
>                                                     &error);
>    if (list_reply == NULL) {
>        handle_xcb_error(xconn, error);
>    }
>
>    iter = xcb_sync_list_system_counters_counters_iterator(list_reply);
>    for (iter = xcb_sync_list_system_counters_counters_iterator(list_reply) ;
>         iter.rem ; xcb_sync_systemcounter_next(&iter)) {
>        printf("%"PRIx32": %.*s (resolution: %"PRId64")\n", iter.data->counter,
>               iter.data->name_len, xcb_sync_systemcounter_name(iter.data),
>               extract_int64(&iter.data->resolution));
>/* Extra info for debugging: */
>        printf("  Actual name: %.*s\n", iter.data->name_len,
>               ( (char *) &iter.data->name_len) + 2);
>    }
>
>    printf ("sizeof(xcb_sync_systemcounter_t) = %d\n",
>            sizeof(xcb_sync_systemcounter_t));
>
>    xcb_disconnect (xconn);
>    exit(0);
>}
>

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