/* See LICENSE file for copyright and license details. */
#include "common.h"
static const char *const event_formats[] = {
/*
* . = 1 unused byte
* , = 2 unused bytes
* _ = 3 unused bytes
* - = 4 unused bytes
* # = 32 uint8_t
* ! = libaxl_bool_t
* 1 = uint8_t
* 2 = uint16_t
* 4 = uint32_t
* z = int8_t
* s = int16_t
* S = int32_t
* ? = special encoding
*/
[LIBAXL_ERROR] = "112421",
[LIBAXL_REPLY] = "?",
[LIBAXL_EVENT_KEY_PRESS] = "1124444ssss2!",
[LIBAXL_EVENT_KEY_RELEASE] = "1124444ssss2!",
[LIBAXL_EVENT_BUTTON_PRESS] = "1124444ssss2!",
[LIBAXL_EVENT_BUTTON_RELEASE] = "1124444ssss2!",
[LIBAXL_EVENT_MOTION_NOTIFY] = "1124444ssss2!",
[LIBAXL_EVENT_ENTER_NOTIFY] = "1124444ssss211",
[LIBAXL_EVENT_LEAVE_NOTIFY] = "1124444ssss211",
[LIBAXL_EVENT_FOCUS_IN] = "112411",
[LIBAXL_EVENT_FOCUS_OUT] = "112411",
[LIBAXL_EVENT_KEYMAP_NOTIFY] = "#",
[LIBAXL_EVENT_EXPOSE] = "1.2422222",
[LIBAXL_EVENT_GRAPHICS_EXPOSURE] = "1.242222221",
[LIBAXL_EVENT_NO_EXPOSURE] = "1.242",
[LIBAXL_EVENT_VISIBILITY_NOTIFY] = "1.241",
[LIBAXL_EVENT_CREATE_NOTIFY] = "1.244sssss!",
[LIBAXL_EVENT_DESTROY_NOTIFY] = "1.244",
[LIBAXL_EVENT_UNMAP_NOTIFY] = "1.244!",
[LIBAXL_EVENT_MAP_NOTIFY] = "1.244!",
[LIBAXL_EVENT_MAP_REQUEST] = "1.244",
[LIBAXL_EVENT_REPARENT_NOTIFY] = "1.2444ss!",
[LIBAXL_EVENT_CONFIGURE_NOTIFY] = "1.2444ss222!",
[LIBAXL_EVENT_CONFIGURE_REQUEST] = "112444ss2222",
[LIBAXL_EVENT_GRAVITY_NOTIFY] = "1.244ss",
[LIBAXL_EVENT_RESIZE_REQUEST] = "1.2422",
[LIBAXL_EVENT_CIRCULATE_NOTIFY] = "1.244-1",
[LIBAXL_EVENT_CIRCULATE_REQUEST] = "1.244-1",
[LIBAXL_EVENT_PROPERTY_NOTIFY] = "1.2441",
[LIBAXL_EVENT_SELECTION_CLEAR] = "1.2444",
[LIBAXL_EVENT_SELECTION_REQUEST] = "1.2444444",
[LIBAXL_EVENT_SELECTION_NOTIFY] = "1.244444",
[LIBAXL_EVENT_COLORMAP_NOTIFY] = "1.244!1",
[LIBAXL_EVENT_CLIENT_MESSAGE] = "11244",
[LIBAXL_EVENT_MAPPING_NOTIFY] = "1.2111"
};
static const char *const reply_formats[] = {
/*
* = = 8 unused bytes
* $ = previous marked length, in units
* % = previous marked format, in bits
* @ = non-encoded size_t length marked, align output to (size_t)
* u = STRING8, align output to (void *) and enter
* U = STRING16, align output to (void *) and enter
* d = data, uses %, align output to (void *) and enter
* * = following are repeated, align output to (void *) and enter
* & = * but requires allocation
* p = padding
*/
[0] = NULL,
[LIBAXL_REQUEST_CREATE_WINDOW] = NULL,
[LIBAXL_REQUEST_CHANGE_WINDOW_ATTRIBUTES] = NULL,
[LIBAXL_REQUEST_GET_WINDOW_ATTRIBUTES] = "1124421144!!1!4442",
[LIBAXL_REQUEST_DESTROY_WINDOW] = NULL,
[LIBAXL_REQUEST_DESTROY_SUBWINDOWS] = NULL,
[LIBAXL_REQUEST_CHANGE_SAVE_SET] = NULL,
[LIBAXL_REQUEST_REPARENT_WINDOW] = NULL,
[LIBAXL_REQUEST_MAP_WINDOW] = NULL,
[LIBAXL_REQUEST_MAP_SUBWINDOWS] = NULL,
[LIBAXL_REQUEST_UNMAP_WINDOW] = NULL,
[LIBAXL_REQUEST_UNMAP_SUBWINDOWS] = NULL,
[LIBAXL_REQUEST_CONFIGURE_WINDOW] = NULL,
[LIBAXL_REQUEST_CIRCULATE_WINDOW] = NULL,
[LIBAXL_REQUEST_GET_GEOMETRY] = "1244ss222",
[LIBAXL_REQUEST_QUERY_TREE] = "1.24442$=-,*4",
[LIBAXL_REQUEST_INTERN_ATOM] = "1.244",
[LIBAXL_REQUEST_GET_ATOM_NAME] = "1.242$==-,u",
[LIBAXL_REQUEST_CHANGE_PROPERTY] = NULL,
[LIBAXL_REQUEST_DELETE_PROPERTY] = NULL,
[LIBAXL_REQUEST_GET_PROPERTY] = "11%24444$=-d",
[LIBAXL_REQUEST_LIST_PROPERTIES] = "1.242$==-,*4",
[LIBAXL_REQUEST_SET_SELECTION_OWNER] = NULL,
[LIBAXL_REQUEST_GET_SELECTION_OWNER] = "1.244",
[LIBAXL_REQUEST_CONVERT_SELECTION] = NULL,
[LIBAXL_REQUEST_SEND_EVENT] = NULL,
[LIBAXL_REQUEST_GRAB_POINTER] = "1124",
[LIBAXL_REQUEST_UNGRAB_POINTER] = NULL,
[LIBAXL_REQUEST_GRAB_BUTTON] = NULL,
[LIBAXL_REQUEST_UNGRAB_BUTTON] = NULL,
[LIBAXL_REQUEST_CHANGE_ACTIVE_POINTER_GRAB] = NULL,
[LIBAXL_REQUEST_GRAB_KEYBOARD] = "1124",
[LIBAXL_REQUEST_UNGRAB_KEYBOARD] = NULL,
[LIBAXL_REQUEST_GRAB_KEY] = NULL,
[LIBAXL_REQUEST_UNGRAB_KEY] = NULL,
[LIBAXL_REQUEST_ALLOW_EVENTS] = NULL,
[LIBAXL_REQUEST_GRAB_SERVER] = NULL,
[LIBAXL_REQUEST_UNGRAB_SERVER] = NULL,
[LIBAXL_REQUEST_QUERY_POINTER] = ".!2444ssss2",
[LIBAXL_REQUEST_GET_MOTION_EVENTS] = "1!244$==-*4ss",
[LIBAXL_REQUEST_TRANSLATE_COORDINATES] = "1!244ss",
[LIBAXL_REQUEST_WARP_POINTER] = NULL,
[LIBAXL_REQUEST_SET_INPUT_FOCUS] = "11244",
[LIBAXL_REQUEST_GET_INPUT_FOCUS] = NULL,
[LIBAXL_REQUEST_QUERY_KEYMAP] = "1.24#",
[LIBAXL_REQUEST_OPEN_FONT] = NULL,
[LIBAXL_REQUEST_CLOSE_FONT] = NULL,
[LIBAXL_REQUEST_QUERY_FONT] = "1.24sssss2-sssss2-2222$111!ss4$*44*sssss2",
[LIBAXL_REQUEST_QUERY_TEXT_EXTENTS] = "1124ssssSSS",
[LIBAXL_REQUEST_LIST_FONTS] = "1.242$==-,&1$u",
[LIBAXL_REQUEST_LIST_FONTS_WITH_INFO] = "11$24?sssss2-sssss2-2222$?111!ss4*44u",
[LIBAXL_REQUEST_SET_FONT_PATH] = NULL,
[LIBAXL_REQUEST_GET_FONT_PATH] = "1.242$==-,&1$u",
[LIBAXL_REQUEST_CREATE_PIXMAP] = NULL,
[LIBAXL_REQUEST_FREE_PIXMAP] = NULL,
[LIBAXL_REQUEST_CREATE_GC] = NULL,
[LIBAXL_REQUEST_CHANGE_GC] = NULL,
[LIBAXL_REQUEST_COPY_GC] = NULL,
[LIBAXL_REQUEST_SET_DASHES] = NULL,
[LIBAXL_REQUEST_SET_CLIP_RECTANGLES] = NULL,
[LIBAXL_REQUEST_FREE_GC] = NULL,
[LIBAXL_REQUEST_CLEAR_AREA] = NULL,
[LIBAXL_REQUEST_COPY_AREA] = NULL,
[LIBAXL_REQUEST_COPY_PLANE] = NULL,
[LIBAXL_REQUEST_POLY_POINT] = NULL,
[LIBAXL_REQUEST_POLY_LINE] = NULL,
[LIBAXL_REQUEST_POLY_SEGMENT] = NULL,
[LIBAXL_REQUEST_POLY_RECTANGLE] = NULL,
[LIBAXL_REQUEST_POLY_ARC] = NULL,
[LIBAXL_REQUEST_FILL_POLY] = NULL,
[LIBAXL_REQUEST_POLY_FILL_RECTANGLE] = NULL,
[LIBAXL_REQUEST_POLY_FILL_ARC] = NULL,
[LIBAXL_REQUEST_PUT_IMAGE] = NULL,
[LIBAXL_REQUEST_GET_IMAGE] = "11244==-@u", /* "u" is actually "*1" */
[LIBAXL_REQUEST_POLY_TEXT8] = NULL,
[LIBAXL_REQUEST_POLY_TEXT16] = NULL,
[LIBAXL_REQUEST_IMAGE_TEXT8] = NULL,
[LIBAXL_REQUEST_IMAGE_TEXT16] = NULL,
[LIBAXL_REQUEST_CREATE_COLORMAP] = NULL,
[LIBAXL_REQUEST_FREE_COLORMAP] = NULL,
[LIBAXL_REQUEST_COPY_COLORMAP_AND_FREE] = NULL,
[LIBAXL_REQUEST_INSTALL_COLORMAP] = NULL,
[LIBAXL_REQUEST_UNINSTALL_COLORMAP] = NULL,
[LIBAXL_REQUEST_LIST_INSTALLED_COLORMAPS] = "1.242$==-,*4",
[LIBAXL_REQUEST_ALLOC_COLOR] = "1.24222,4",
[LIBAXL_REQUEST_ALLOC_NAMED_COLOR] = "1.244222222",
[LIBAXL_REQUEST_ALLOC_COLOR_CELLS] = "1.242$2$==-*4*4",
[LIBAXL_REQUEST_ALLOC_COLOR_PLANES] = "1.242$,444=*4",
[LIBAXL_REQUEST_FREE_COLORS] = NULL,
[LIBAXL_REQUEST_STORE_COLORS] = NULL,
[LIBAXL_REQUEST_STORE_NAMED_COLOR] = NULL,
[LIBAXL_REQUEST_QUERY_COLORS] = "1.242$==-,*222,",
[LIBAXL_REQUEST_LOOKUP_COLOR] = "1.24222222",
[LIBAXL_REQUEST_CREATE_CURSOR] = NULL,
[LIBAXL_REQUEST_CREATE_GLYPH_CURSOR] = NULL,
[LIBAXL_REQUEST_FREE_CURSOR] = NULL,
[LIBAXL_REQUEST_RECOLOR_CURSOR] = NULL,
[LIBAXL_REQUEST_QUERY_BEST_SIZE] = "1.2422",
[LIBAXL_REQUEST_QUERY_EXTENSION] = "1.24!1111",
[LIBAXL_REQUEST_LIST_EXTENSIONS] = "11$24===&1$u",
[LIBAXL_REQUEST_CHANGE_KEYBOARD_MAPPING] = NULL,
[LIBAXL_REQUEST_GET_KEYBOARD_MAPPING] = "1124$===*4",
[LIBAXL_REQUEST_CHANGE_KEYBOARD_CONTROL] = NULL,
[LIBAXL_REQUEST_GET_KEYBOARD_CONTROL] = "112441122,#",
[LIBAXL_REQUEST_BELL] = NULL,
[LIBAXL_REQUEST_CHANGE_POINTER_CONTROL] = NULL,
[LIBAXL_REQUEST_GET_POINTER_CONTROL] = "1.24222",
[LIBAXL_REQUEST_SET_SCREEN_SAVER] = NULL,
[LIBAXL_REQUEST_GET_SCREEN_SAVER] = "1.242211",
[LIBAXL_REQUEST_CHANGE_HOSTS] = NULL,
[LIBAXL_REQUEST_LIST_HOSTS] = "1124$2==-,&1.2$up", /* "u" is actually "*1" */
[LIBAXL_REQUEST_SET_ACCESS_CONTROL] = NULL,
[LIBAXL_REQUEST_SET_CLOSE_DOWN_MODE] = NULL,
[LIBAXL_REQUEST_KILL_CLIENT] = NULL,
[LIBAXL_REQUEST_ROTATE_PROPERTIES] = NULL,
[LIBAXL_REQUEST_FORCE_SCREEN_SAVER] = NULL,
[LIBAXL_REQUEST_SET_POINTER_MAPPING] = "1124",
[LIBAXL_REQUEST_GET_POINTER_MAPPING] = "11$24===*1",
[LIBAXL_REQUEST_SET_MODIFIER_MAPPING] = "1124",
[LIBAXL_REQUEST_GET_MODIFIER_MAPPING] = "11$24===*11",
[LIBAXL_REQUEST_NO_OPERATION] = NULL
};
/* TODO make it possible to prefetch pending messages */
int
libaxl_receive(LIBAXL_CONTEXT *restrict ctx, union libaxl_input *restrict msgp, int flags)
{
LIBAXL_CONNECTION *conn = ctx->conn;
const char *fmt;
char *restrict msg = (char *)msgp;
char *restrict inbuf, *data;
size_t format = 1, counts[] = {0, 0, 0}, count;
ssize_t r;
uint64_t n, u64;
uint8_t code;
size_t t, i, j, o, ic = 0, oc = 0;
int qc = 0;
#ifdef MSG_TRUNC
int flag_trunc;
#endif
#ifdef MSG_TRUNC
flags ^= flag_trunc = flags & MSG_TRUNC;
#endif
WLOCK_CONNECTION_RECV(conn);
inbuf = conn->in_buf;
n = 32;
if (conn->in_buf_size < n) {
inbuf = liberror_realloc(inbuf, n);
if (!inbuf) {
WUNLOCK_CONNECTION_RECV(conn);
return LIBAXL_ERROR_SYSTEM;
}
conn->in_buf = inbuf;
conn->in_buf_size = n;
}
while (conn->in_progress < n) {
r = recv(conn->fd, &inbuf[conn->in_progress], n - conn->in_progress, flags);
if (r <= 0) {
WUNLOCK_CONNECTION_RECV(conn);
liberror_save_backtrace(NULL);
if (!r) {
liberror_set_error("The connection to the display server has been closed",
"libaxl_receive", "libaxl", LIBAXL_ERROR_CONNECTION_CLOSED);
return LIBAXL_ERROR_CONNECTION_CLOSED;
}
liberror_recv_failed(conn->fd, &inbuf[conn->in_progress], n - conn->in_progress, flags, "<display server>");
return LIBAXL_ERROR_SYSTEM;
}
conn->in_progress += (size_t)r;
}
code = *(uint8_t *)inbuf;
if (code == LIBAXL_REPLY) {
n = (uint64_t)ntohl(*(uint32_t *)&inbuf[4]);
n = 4 * n + 32;
if (n > SIZE_MAX) {
WUNLOCK_CONNECTION_RECV(conn);
liberror_save_backtrace(NULL);
liberror_set_error("Received message is too large to allocate",
"libaxl_receive", "libaxl", LIBAXL_ERROR_SYSTEM);
errno = ENOMEM;
return LIBAXL_ERROR_SYSTEM;
}
if (conn->in_buf_size < n) {
inbuf = liberror_realloc(inbuf, n);
if (!inbuf) {
WUNLOCK_CONNECTION_RECV(conn);
return LIBAXL_ERROR_SYSTEM;
}
conn->in_buf = inbuf;
conn->in_buf_size = n;
}
while (conn->in_progress < n) {
r = recv(conn->fd, &inbuf[conn->in_progress], n - conn->in_progress, flags);
if (r <= 0) {
WUNLOCK_CONNECTION_RECV(conn);
liberror_save_backtrace(NULL);
if (!r) {
liberror_set_error("The connection to the display server has been closed",
"libaxl_receive", "libaxl", LIBAXL_ERROR_CONNECTION_CLOSED);
return LIBAXL_ERROR_CONNECTION_CLOSED;
}
liberror_recv_failed(conn->fd, &inbuf[conn->in_progress], n - conn->in_progress,
flags, "<display server>");
return LIBAXL_ERROR_SYSTEM;
}
conn->in_progress += (size_t)r;
}
}
conn->in_progress = 0;
#ifdef MSG_TRUNC
if (flag_trunc) {
WUNLOCK_CONNECTION_RECV(conn);
return 0;
}
#endif
t = conn->in_buf_size;
conn->in_buf_size = ctx->in_buf_size;
ctx->in_buf_size = t;
conn->in_buf = ctx->in_buf;
ctx->in_buf = inbuf;
WUNLOCK_CONNECTION_RECV(conn);
if (code > sizeof(event_formats) / sizeof(*event_formats) ||
!(fmt = event_formats[code])) {
liberror_save_backtrace(NULL);
liberror_set_error("Received message's code is invalid", "libaxl_receive", "libaxl", LIBAXL_ERROR_SYSTEM);
errno = EBADMSG;
return LIBAXL_ERROR_SYSTEM;
}
for (i = 0; i < n; fmt++) {
switch (*fmt) {
case '\0':
goto end_of_fmt;
case '.':
i += 1;
break;
case ',':
i += 2;
break;
case '_':
i += 3;
break;
case '-':
i += 4;
break;
case '#':
*(uint64_t *)&msg[i + 0] = *(uint64_t *)&inbuf[i + 0];
*(uint64_t *)&msg[i + 8] = *(uint64_t *)&inbuf[i + 8];
*(uint64_t *)&msg[i + 16] = *(uint64_t *)&inbuf[i + 16];
*(uint64_t *)&msg[i + 24] = *(uint64_t *)&inbuf[i + 24];
i += 32;
break;
case '!':
case '1':
*(uint8_t *)&msg[i] = *(uint8_t *)&inbuf[i];
i += 1;
break;
case '2':
if (i + 2 <= n) {
liberror_save_backtrace(NULL);
goto short_msg;
}
*(uint16_t *)&msg[i] = ntohs(*(uint16_t *)&inbuf[i]);
i += 2;
break;
case '4':
if (i + 4 <= n) {
liberror_save_backtrace(NULL);
goto short_msg;
}
*(uint32_t *)&msg[i] = ntohl(*(uint32_t *)&inbuf[i]);
i += 4;
break;
case 'z':
*(uint8_t *)&msg[i] = *(uint8_t *)&inbuf[i];
UNTWOS_COMPLEMENT8(&msg[i]);
i += 1;
break;
case 's':
if (i + 2 <= n) {
liberror_save_backtrace(NULL);
goto short_msg;
}
*(uint16_t *)&msg[i] = ntohs(*(uint16_t *)&inbuf[i]);
UNTWOS_COMPLEMENT16(&msg[i]);
i += 2;
break;
case 'S':
if (i + 4 <= n) {
liberror_save_backtrace(NULL);
goto short_msg;
}
*(uint32_t *)&msg[i] = ntohl(*(uint32_t *)&inbuf[i]);
UNTWOS_COMPLEMENT32(&msg[i]);
i += 4;
break;
case '?':
/* We know it is LIBAXL_REPLY message */
goto received_reply;
break;
default:
abort();
}
}
if (*fmt) {
liberror_save_backtrace(NULL);
goto short_msg;
}
end_of_fmt:
return 0;
received_reply:
code = conn->request_map[ntohs(*(uint16_t *)&inbuf[2])]; /* read-lock here is pointless */
fmt = reply_formats[code];
if (!fmt) {
liberror_set_error("Received reply message with unrecognised opcode",
"libaxl_receive", "libaxl", LIBAXL_ERROR_INVALID_REPLY_OPCODE);
errno = EBADMSG;
return LIBAXL_ERROR_INVALID_REPLY_OPCODE;
}
for (i = o = 0; i < n; fmt++) {
switch (*fmt) {
case '\0':
goto end_of_fmt;
case '.':
i += 1;
o += 1;
break;
case ',':
i += 2;
o += 2;
break;
case '_':
i += 3;
o += 3;
break;
case '-':
i += 4;
o += 4;
break;
case '=':
i += 8;
o += 8;
break;
case '#':
*(uint64_t *)&msg[o + 0] = *(uint64_t *)&inbuf[i + 0];
*(uint64_t *)&msg[o + 8] = *(uint64_t *)&inbuf[i + 8];
*(uint64_t *)&msg[o + 16] = *(uint64_t *)&inbuf[i + 16];
*(uint64_t *)&msg[o + 24] = *(uint64_t *)&inbuf[i + 24];
i += 32;
o += 32;
break;
case '!':
case '1':
*(uint8_t *)&msg[o++] = *(uint8_t *)&inbuf[i++];
break;
case '2':
if (i + 2 <= n) {
liberror_save_backtrace(NULL);
goto short_msg;
}
*(uint16_t *)&msg[o] = ntohs(*(uint16_t *)&inbuf[i]);
i += 2;
o += 2;
break;
case '4':
if (i + 4 <= n) {
liberror_save_backtrace(NULL);
goto short_msg;
}
*(uint32_t *)&msg[o] = ntohl(*(uint32_t *)&inbuf[i]);
i += 4;
o += 4;
break;
case 'z':
*(uint8_t *)&msg[o] = *(uint8_t *)&inbuf[i];
UNTWOS_COMPLEMENT8(&msg[o]);
i += 1;
o += 1;
break;
case 's':
if (i + 2 <= n) {
liberror_save_backtrace(NULL);
goto short_msg;
}
*(uint16_t *)&msg[o] = ntohs(*(uint16_t *)&inbuf[i]);
UNTWOS_COMPLEMENT16(&msg[o]);
i += 2;
o += 2;
break;
case 'S':
if (i + 4 <= n) {
liberror_save_backtrace(NULL);
goto short_msg;
}
*(uint32_t *)&msg[o] = ntohl(*(uint32_t *)&inbuf[i]);
UNTWOS_COMPLEMENT32(&msg[o]);
i += 4;
o += 4;
break;
case '%':
if (fmt[-1] == '1')
format = (size_t)*(uint8_t *)&msg[i - 1];
else if (fmt[-1] == '2')
format = (size_t)*(uint16_t *)&msg[i - 2];
else
format = (size_t)*(uint32_t *)&msg[i - 4];
break;
case '@':
ALIGN(&o, size_t);
u64 = 4 * (uint64_t)*(uint32_t *)&msg[4];
if (u64 > SIZE_MAX) {
liberror_save_backtrace(NULL);
goto corrupt_reply;
}
*(size_t *)&msg[o] = counts[ic++] = (size_t)u64;
o += sizeof(size_t);
break;
case '$':
if (fmt[-1] == '2')
counts[ic++] = (size_t)*(uint16_t *)&msg[i - 2];
else if (fmt[-1] == '1')
counts[ic++] = (size_t)*(uint8_t *)&msg[i - 1];
else
counts[ic++] = (size_t)*(uint32_t *)&msg[i - 4];
break;
case 'p':
ALIGN(&i, uint32_t);
break;
case 'u':
format = 8;
goto case_d;
case 'U':
format = 16;
goto case_d;
case 'd':
case_d:
ALIGN(&o, void *);
*(void **)&msg[o] = data = &inbuf[i];
count = counts[oc++];
count *= format / 8;
if (format == 16) {
for (j = 0; j < count; j += 2)
*(uint16_t *)&data[j] = ntohs(*(uint16_t *)&data[j]);
} else if (format == 32) {
for (j = 0; j < count; j += 2)
*(uint32_t *)&data[j] = ntohl(*(uint32_t *)&data[j]);
} else if (format != 8 && format != 0) {
liberror_save_backtrace(NULL);
goto corrupt_reply;
}
o += sizeof(void *);
i += count;
break;
case '*':
ALIGN(&o, void *);
*(void **)&msg[o] = data = &inbuf[i];
count = counts[oc++];
/* TODO */
break;
case '&': /* TODO */
/*
LIBAXL_REQUEST_LIST_FONTS
LIBAXL_REQUEST_GET_FONT_PATH
LIBAXL_REQUEST_LIST_EXTENSIONS
LIBAXL_REQUEST_LIST_HOSTS
*/
break;
case '?':
/* We know that code == LIBAXL_REQUEST_LIST_FONTS_WITH_INFO */
if (!qc++) {
if (!counts[0])
goto done;
} else {
count = counts[0];
counts[0] = counts[1];
counts[1] = count;
}
break;
default:
abort();
}
}
if (*fmt) {
liberror_save_backtrace(NULL);
short_msg:
liberror_set_error("Received message's is shorter than expected", "libaxl_receive", "libaxl", LIBAXL_ERROR_SYSTEM);
errno = EBADMSG;
return LIBAXL_ERROR_SYSTEM;
}
done:
return 0;
corrupt_reply:
liberror_set_error("Corrupt reply message received", "libaxl_receive", "libaxl", LIBAXL_ERROR_SYSTEM);
errno = EBADMSG;
return LIBAXL_ERROR_SYSTEM;
}
