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xcb: add xcb_error(), a generic describe-an-x-error function

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By default, generates an error message with the major/minor opcodes,
the error code and sequence number.

If available, it will use xcb-errors to generate an even better
description.
This commit is contained in:
Daniel Eklöf 2019-01-15 20:44:21 +01:00
parent 7a8ba94a49
commit fae2e5cb18
5 changed files with 67 additions and 44 deletions
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10
modules/xkb.c
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@ -133,7 +133,7 @@ get_layouts(xcb_connection_t *conn)
conn, cookie, &err);
if (err != NULL) {
LOG_ERR("failed to get group names and symbols (%d)", err->error_code);
LOG_ERR("failed to get group names and symbols: %s", xcb_error(err));
free(err);
return (struct layouts){.count = -1};
}
@ -162,7 +162,7 @@ get_layouts(xcb_connection_t *conn)
xcb_get_atom_name_reply_t *atom_name = xcb_get_atom_name_reply(
conn, symbols_name_cookie, &err);
if (err != NULL) {
LOG_ERR("failed to get atom name (%d)", err->error_code);
LOG_ERR("failed to get atom name: %s", xcb_error(err));
free(err);
goto err;
}
@ -175,7 +175,7 @@ get_layouts(xcb_connection_t *conn)
for (ssize_t i = 0; i < ret.count; i++) {
atom_name = xcb_get_atom_name_reply(conn, group_name_cookies[i], &err);
if (err != NULL) {
LOG_ERR("failed to get atom name (%d)", err->error_code);
LOG_ERR("failed to get atom name: %s", xcb_error(err));
free(err);
goto err;
}
@ -245,7 +245,7 @@ get_current_layout(xcb_connection_t *conn)
conn, cookie, &err);
if (err != NULL) {
LOG_ERR("failed to get XKB state (%d)", err->error_code);
LOG_ERR("failed to get XKB state: %s", xcb_error(err));
return -1;
}
@ -278,7 +278,7 @@ register_for_events(xcb_connection_t *conn)
xcb_generic_error_t *err = xcb_request_check(conn, cookie);
if (err != NULL) {
LOG_ERR("failed to register for events (%d)", err->error_code);
LOG_ERR("failed to register for events: %s", xcb_error(err));
return false;
}