[Spice-devel] [spice-server v2 3/3] red-parse-qxl: s/true/false
Christophe Fergeau
cfergeau at redhat.com
Fri Apr 28 15:48:33 UTC 2017
From: Frediano Ziglio <fziglio at redhat.com>
Reverse return values of the various bool methods so that 'true' means
success, and 'false' failure rather than the opposite.
---
server/red-parse-qxl.c | 78 ++++++++++++++++++-----------------------
server/red-worker.c | 14 ++++----
server/tests/test-qxl-parsing.c | 12 +++----
3 files changed, 48 insertions(+), 56 deletions(-)
diff --git a/server/red-parse-qxl.c b/server/red-parse-qxl.c
index ee021565e..f9c90446a 100644
--- a/server/red-parse-qxl.c
+++ b/server/red-parse-qxl.c
@@ -679,7 +679,7 @@ static bool red_get_copy_ptr(RedMemSlotInfo *slots, int group_id,
{
red->src_bitmap = red_get_image(slots, group_id, qxl->src_bitmap, flags, false);
if (!red->src_bitmap) {
- return true;
+ return false;
}
red_get_rect_ptr(&red->src_area, &qxl->src_area);
/* The source area should not extend outside the source bitmap or have
@@ -689,17 +689,17 @@ static bool red_get_copy_ptr(RedMemSlotInfo *slots, int group_id,
red->src_area.left > red->src_area.right ||
red->src_area.top < 0 ||
red->src_area.top > red->src_area.bottom) {
- return true;
+ return false;
}
if (red->src_bitmap->descriptor.type == SPICE_IMAGE_TYPE_BITMAP &&
(red->src_area.right > red->src_bitmap->u.bitmap.x ||
red->src_area.bottom > red->src_bitmap->u.bitmap.y)) {
- return true;
+ return false;
}
red->rop_descriptor = qxl->rop_descriptor;
red->scale_mode = qxl->scale_mode;
red_get_qmask_ptr(slots, group_id, &red->mask, &qxl->mask, flags);
- return false;
+ return true;
}
static void red_put_copy(SpiceCopy *red)
@@ -831,7 +831,7 @@ static bool red_get_stroke_ptr(RedMemSlotInfo *slots, int group_id,
red->path = red_get_path(slots, group_id, qxl->path);
if (!red->path) {
- return true;
+ return false;
}
red->attr.flags = qxl->attr.flags;
if (red->attr.flags & SPICE_LINE_FLAGS_STYLED) {
@@ -845,7 +845,7 @@ static bool red_get_stroke_ptr(RedMemSlotInfo *slots, int group_id,
buf = (uint8_t *)memslot_get_virt(slots, qxl->attr.style,
style_nseg * sizeof(QXLFIXED), group_id, &error);
if (error) {
- return error;
+ return false;
}
memcpy(red->attr.style, buf, style_nseg * sizeof(QXLFIXED));
} else {
@@ -855,7 +855,7 @@ static bool red_get_stroke_ptr(RedMemSlotInfo *slots, int group_id,
red_get_brush_ptr(slots, group_id, &red->brush, &qxl->brush, flags);
red->fore_mode = qxl->fore_mode;
red->back_mode = qxl->back_mode;
- return false;
+ return true;
}
static void red_put_stroke(SpiceStroke *red)
@@ -1040,7 +1040,7 @@ static bool red_get_native_drawable(RedMemSlotInfo *slots, int group_id,
qxl = (QXLDrawable *)memslot_get_virt(slots, addr, sizeof(*qxl), group_id, &error);
if (error) {
- return error;
+ return false;
}
red->release_info_ext.info = &qxl->release_info;
red->release_info_ext.group_id = group_id;
@@ -1069,11 +1069,9 @@ static bool red_get_native_drawable(RedMemSlotInfo *slots, int group_id,
&red->u.blackness, &qxl->u.blackness, flags);
break;
case QXL_DRAW_BLEND:
- error = red_get_blend_ptr(slots, group_id, &red->u.blend, &qxl->u.blend, flags);
- break;
+ return red_get_blend_ptr(slots, group_id, &red->u.blend, &qxl->u.blend, flags);
case QXL_DRAW_COPY:
- error = red_get_copy_ptr(slots, group_id, &red->u.copy, &qxl->u.copy, flags);
- break;
+ return red_get_copy_ptr(slots, group_id, &red->u.copy, &qxl->u.copy, flags);
case QXL_COPY_BITS:
red_get_point_ptr(&red->u.copy_bits.src_pos, &qxl->u.copy_bits.src_pos);
break;
@@ -1095,8 +1093,7 @@ static bool red_get_native_drawable(RedMemSlotInfo *slots, int group_id,
red_get_composite_ptr(slots, group_id, &red->u.composite, &qxl->u.composite, flags);
break;
case QXL_DRAW_STROKE:
- error = red_get_stroke_ptr(slots, group_id, &red->u.stroke, &qxl->u.stroke, flags);
- break;
+ return red_get_stroke_ptr(slots, group_id, &red->u.stroke, &qxl->u.stroke, flags);
case QXL_DRAW_TEXT:
red_get_text_ptr(slots, group_id, &red->u.text, &qxl->u.text, flags);
break;
@@ -1110,10 +1107,9 @@ static bool red_get_native_drawable(RedMemSlotInfo *slots, int group_id,
break;
default:
spice_warning("unknown type %d", red->type);
- error = 1;
- break;
+ return false;
};
- return error;
+ return true;
}
static bool red_get_compat_drawable(RedMemSlotInfo *slots, int group_id,
@@ -1124,7 +1120,7 @@ static bool red_get_compat_drawable(RedMemSlotInfo *slots, int group_id,
qxl = (QXLCompatDrawable *)memslot_get_virt(slots, addr, sizeof(*qxl), group_id, &error);
if (error) {
- return error;
+ return false;
}
red->release_info_ext.info = &qxl->release_info;
red->release_info_ext.group_id = group_id;
@@ -1152,11 +1148,9 @@ static bool red_get_compat_drawable(RedMemSlotInfo *slots, int group_id,
&red->u.blackness, &qxl->u.blackness, flags);
break;
case QXL_DRAW_BLEND:
- error = red_get_blend_ptr(slots, group_id, &red->u.blend, &qxl->u.blend, flags);
- break;
+ return red_get_blend_ptr(slots, group_id, &red->u.blend, &qxl->u.blend, flags);
case QXL_DRAW_COPY:
- error = red_get_copy_ptr(slots, group_id, &red->u.copy, &qxl->u.copy, flags);
- break;
+ return red_get_copy_ptr(slots, group_id, &red->u.copy, &qxl->u.copy, flags);
case QXL_COPY_BITS:
red_get_point_ptr(&red->u.copy_bits.src_pos, &qxl->u.copy_bits.src_pos);
red->surface_deps[0] = 0;
@@ -1182,8 +1176,7 @@ static bool red_get_compat_drawable(RedMemSlotInfo *slots, int group_id,
red_get_rop3_ptr(slots, group_id, &red->u.rop3, &qxl->u.rop3, flags);
break;
case QXL_DRAW_STROKE:
- error = red_get_stroke_ptr(slots, group_id, &red->u.stroke, &qxl->u.stroke, flags);
- break;
+ return red_get_stroke_ptr(slots, group_id, &red->u.stroke, &qxl->u.stroke, flags);
case QXL_DRAW_TEXT:
red_get_text_ptr(slots, group_id, &red->u.text, &qxl->u.text, flags);
break;
@@ -1197,16 +1190,15 @@ static bool red_get_compat_drawable(RedMemSlotInfo *slots, int group_id,
break;
default:
spice_warning("unknown type %d", red->type);
- error = 1;
- break;
+ return false;
};
- return error;
+ return true;
}
bool red_get_drawable(RedMemSlotInfo *slots, int group_id,
RedDrawable *red, QXLPHYSICAL addr, uint32_t flags)
{
- int ret;
+ bool ret;
if (flags & QXL_COMMAND_FLAG_COMPAT) {
ret = red_get_compat_drawable(slots, group_id, red, addr, flags);
@@ -1273,7 +1265,7 @@ bool red_get_update_cmd(RedMemSlotInfo *slots, int group_id,
qxl = (QXLUpdateCmd *)memslot_get_virt(slots, addr, sizeof(*qxl), group_id, &error);
if (error) {
- return true;
+ return false;
}
red->release_info_ext.info = &qxl->release_info;
red->release_info_ext.group_id = group_id;
@@ -1282,7 +1274,7 @@ bool red_get_update_cmd(RedMemSlotInfo *slots, int group_id,
red_get_rect_ptr(&red->area, &qxl->area);
red->update_id = qxl->update_id;
red->surface_id = qxl->surface_id;
- return false;
+ return true;
}
void red_put_update_cmd(RedUpdateCmd *red)
@@ -1307,7 +1299,7 @@ bool red_get_message(RedMemSlotInfo *slots, int group_id,
*/
qxl = (QXLMessage *)memslot_get_virt(slots, addr, sizeof(*qxl), group_id, &error);
if (error) {
- return true;
+ return false;
}
red->release_info_ext.info = &qxl->release_info;
red->release_info_ext.group_id = group_id;
@@ -1317,10 +1309,10 @@ bool red_get_message(RedMemSlotInfo *slots, int group_id,
len = MIN(len, 100000);
end = (uint8_t *)memchr(qxl->data, 0, len);
if (end == NULL) {
- return true;
+ return false;
}
red->len = end - qxl->data;
- return false;
+ return true;
}
void red_put_message(RedMessage *red)
@@ -1384,7 +1376,7 @@ bool red_get_surface_cmd(RedMemSlotInfo *slots, int group_id,
qxl = (QXLSurfaceCmd *)memslot_get_virt(slots, addr, sizeof(*qxl), group_id,
&error);
if (error) {
- return true;
+ return false;
}
red->release_info_ext.info = &qxl->release_info;
red->release_info_ext.group_id = group_id;
@@ -1402,18 +1394,18 @@ bool red_get_surface_cmd(RedMemSlotInfo *slots, int group_id,
if (!red_validate_surface(red->u.surface_create.width, red->u.surface_create.height,
red->u.surface_create.stride, red->u.surface_create.format)) {
- return true;
+ return false;
}
size = red->u.surface_create.height * abs(red->u.surface_create.stride);
red->u.surface_create.data =
(uint8_t*)memslot_get_virt(slots, qxl->u.surface_create.data, size, group_id, &error);
if (error) {
- return true;
+ return false;
}
break;
}
- return false;
+ return true;
}
void red_put_surface_cmd(RedSurfaceCmd *red)
@@ -1433,7 +1425,7 @@ static bool red_get_cursor(RedMemSlotInfo *slots, int group_id,
qxl = (QXLCursor *)memslot_get_virt(slots, addr, sizeof(*qxl), group_id, &error);
if (error) {
- return true;
+ return false;
}
red->header.unique = qxl->header.unique;
@@ -1449,7 +1441,7 @@ static bool red_get_cursor(RedMemSlotInfo *slots, int group_id,
memslot_get_id(slots, addr),
&chunks, &qxl->chunk);
if (size == INVALID_SIZE) {
- return true;
+ return false;
}
red->data_size = MIN(red->data_size, size);
data = red_linearize_chunk(&chunks, size, &free_data);
@@ -1460,7 +1452,7 @@ static bool red_get_cursor(RedMemSlotInfo *slots, int group_id,
red->data = spice_malloc(size);
memcpy(red->data, data, size);
}
- return false;
+ return true;
}
static void red_put_cursor(SpiceCursor *red)
@@ -1476,7 +1468,7 @@ bool red_get_cursor_cmd(RedMemSlotInfo *slots, int group_id,
qxl = (QXLCursorCmd *)memslot_get_virt(slots, addr, sizeof(*qxl), group_id, &error);
if (error) {
- return error;
+ return false;
}
red->release_info_ext.info = &qxl->release_info;
red->release_info_ext.group_id = group_id;
@@ -1486,7 +1478,7 @@ bool red_get_cursor_cmd(RedMemSlotInfo *slots, int group_id,
case QXL_CURSOR_SET:
red_get_point16_ptr(&red->u.set.position, &qxl->u.set.position);
red->u.set.visible = qxl->u.set.visible;
- error = red_get_cursor(slots, group_id, &red->u.set.shape, qxl->u.set.shape);
+ return red_get_cursor(slots, group_id, &red->u.set.shape, qxl->u.set.shape);
break;
case QXL_CURSOR_MOVE:
red_get_point16_ptr(&red->u.position, &qxl->u.position);
@@ -1496,7 +1488,7 @@ bool red_get_cursor_cmd(RedMemSlotInfo *slots, int group_id,
red->u.trail.frequency = qxl->u.trail.frequency;
break;
}
- return error;
+ return true;
}
void red_put_cursor_cmd(RedCursorCmd *red)
diff --git a/server/red-worker.c b/server/red-worker.c
index 48761434e..57e6abea4 100644
--- a/server/red-worker.c
+++ b/server/red-worker.c
@@ -107,7 +107,7 @@ static gboolean red_process_cursor_cmd(RedWorker *worker, const QXLCommandExt *e
RedCursorCmd *cursor_cmd;
cursor_cmd = spice_new0(RedCursorCmd, 1);
- if (red_get_cursor_cmd(&worker->mem_slots, ext->group_id, cursor_cmd, ext->cmd.data)) {
+ if (!red_get_cursor_cmd(&worker->mem_slots, ext->group_id, cursor_cmd, ext->cmd.data)) {
free(cursor_cmd);
return FALSE;
}
@@ -171,7 +171,7 @@ static gboolean red_process_surface_cmd(RedWorker *worker, QXLCommandExt *ext, g
{
RedSurfaceCmd surface_cmd;
- if (red_get_surface_cmd(&worker->mem_slots, ext->group_id, &surface_cmd, ext->cmd.data)) {
+ if (!red_get_surface_cmd(&worker->mem_slots, ext->group_id, &surface_cmd, ext->cmd.data)) {
return FALSE;
}
display_channel_process_surface_cmd(worker->display_channel, &surface_cmd, loadvm);
@@ -217,7 +217,7 @@ static int red_process_display(RedWorker *worker, int *ring_is_empty)
case QXL_CMD_DRAW: {
RedDrawable *red_drawable = red_drawable_new(worker->qxl); // returns with 1 ref
- if (!red_get_drawable(&worker->mem_slots, ext_cmd.group_id,
+ if (red_get_drawable(&worker->mem_slots, ext_cmd.group_id,
red_drawable, ext_cmd.cmd.data, ext_cmd.flags)) {
display_channel_process_draw(worker->display_channel, red_drawable,
worker->process_display_generation);
@@ -229,8 +229,8 @@ static int red_process_display(RedWorker *worker, int *ring_is_empty)
case QXL_CMD_UPDATE: {
RedUpdateCmd update;
- if (red_get_update_cmd(&worker->mem_slots, ext_cmd.group_id,
- &update, ext_cmd.cmd.data)) {
+ if (!red_get_update_cmd(&worker->mem_slots, ext_cmd.group_id,
+ &update, ext_cmd.cmd.data)) {
break;
}
if (!display_channel_validate_surface(worker->display_channel, update.surface_id)) {
@@ -246,8 +246,8 @@ static int red_process_display(RedWorker *worker, int *ring_is_empty)
case QXL_CMD_MESSAGE: {
RedMessage message;
- if (red_get_message(&worker->mem_slots, ext_cmd.group_id,
- &message, ext_cmd.cmd.data)) {
+ if (!red_get_message(&worker->mem_slots, ext_cmd.group_id,
+ &message, ext_cmd.cmd.data)) {
break;
}
#ifdef DEBUG
diff --git a/server/tests/test-qxl-parsing.c b/server/tests/test-qxl-parsing.c
index 5cbcf4876..9c0c3b1c6 100644
--- a/server/tests/test-qxl-parsing.c
+++ b/server/tests/test-qxl-parsing.c
@@ -95,7 +95,7 @@ static void test_no_issues(void)
init_qxl_surface(&qxl);
/* try to create a surface with no issues, should succeed */
- g_assert_false(red_get_surface_cmd(&mem_info, 0, &cmd, to_physical(&qxl)));
+ g_assert_true(red_get_surface_cmd(&mem_info, 0, &cmd, to_physical(&qxl)));
deinit_qxl_surface(&qxl);
memslot_info_destroy(&mem_info);
@@ -115,7 +115,7 @@ static void test_stride_too_small(void)
* This can be used to cause buffer overflows so refuse it.
*/
qxl.u.surface_create.stride = 256;
- g_assert_true(red_get_surface_cmd(&mem_info, 0, &cmd, to_physical(&qxl)));
+ g_assert_false(red_get_surface_cmd(&mem_info, 0, &cmd, to_physical(&qxl)));
deinit_qxl_surface(&qxl);
memslot_info_destroy(&mem_info);
@@ -140,7 +140,7 @@ static void test_too_big_image(void)
qxl.u.surface_create.stride = 0x08000004 * 4;
qxl.u.surface_create.width = 0x08000004;
qxl.u.surface_create.height = 0x40000020;
- g_assert_true(red_get_surface_cmd(&mem_info, 0, &cmd, to_physical(&qxl)));
+ g_assert_false(red_get_surface_cmd(&mem_info, 0, &cmd, to_physical(&qxl)));
deinit_qxl_surface(&qxl);
memslot_info_destroy(&mem_info);
@@ -167,7 +167,7 @@ static void test_cursor_command(void)
cursor_cmd.u.set.shape = to_physical(cursor);
- g_assert_false(red_get_cursor_cmd(&mem_info, 0, &red_cursor_cmd, to_physical(&cursor_cmd)));
+ g_assert_true(red_get_cursor_cmd(&mem_info, 0, &red_cursor_cmd, to_physical(&cursor_cmd)));
free(red_cursor_cmd.u.set.shape.data);
free(cursor);
memslot_info_destroy(&mem_info);
@@ -201,7 +201,7 @@ static void test_circular_empty_chunks(void)
cursor_cmd.u.set.shape = to_physical(cursor);
memset(&red_cursor_cmd, 0xaa, sizeof(red_cursor_cmd));
- if (!red_get_cursor_cmd(&mem_info, 0, &red_cursor_cmd, to_physical(&cursor_cmd))) {
+ if (red_get_cursor_cmd(&mem_info, 0, &red_cursor_cmd, to_physical(&cursor_cmd))) {
/* function does not return errors so there should be no data */
g_assert_cmpuint(red_cursor_cmd.type, ==, QXL_CURSOR_SET);
g_assert_cmpuint(red_cursor_cmd.u.set.position.x, ==, 0);
@@ -243,7 +243,7 @@ static void test_circular_small_chunks(void)
cursor_cmd.u.set.shape = to_physical(cursor);
memset(&red_cursor_cmd, 0xaa, sizeof(red_cursor_cmd));
- if (!red_get_cursor_cmd(&mem_info, 0, &red_cursor_cmd, to_physical(&cursor_cmd))) {
+ if (red_get_cursor_cmd(&mem_info, 0, &red_cursor_cmd, to_physical(&cursor_cmd))) {
/* function does not return errors so there should be no data */
g_assert_cmpuint(red_cursor_cmd.type, ==, QXL_CURSOR_SET);
g_assert_cmpuint(red_cursor_cmd.u.set.position.x, ==, 0);
--
2.12.2
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