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[warnings,api] fix -Wunused-result

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With marking publid API [[nodiscard]] some problematic error checks in
the core library were uncovered. This commit addresses these
shortcomings.
This commit is contained in:
Armin Novak
2026-02-16 10:57:57 +01:00
parent 20a24fe36e
commit df64d00a97
44 changed files with 479 additions and 291 deletions
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8
server/shadow/X11/x11_shadow.c
View File

@@ -876,8 +876,12 @@ static int x11_shadow_screen_grab(x11ShadowSubsystem* subsystem)
{
BOOL empty = 0;
EnterCriticalSection(&surface->lock);
region16_union_rect(&(surface->invalidRegion), &(surface->invalidRegion), &invalidRect);
region16_intersect_rect(&(surface->invalidRegion), &(surface->invalidRegion), &surfaceRect);
if (!region16_union_rect(&(surface->invalidRegion), &(surface->invalidRegion),
&invalidRect))
goto fail_capture;
if (!region16_intersect_rect(&(surface->invalidRegion), &(surface->invalidRegion),
&surfaceRect))
goto fail_capture;
empty = region16_is_empty(&(surface->invalidRegion));
LeaveCriticalSection(&surface->lock);

59
server/shadow/shadow_client.c
View File

@@ -348,13 +348,10 @@ fail:
static inline void shadow_client_mark_invalid(rdpShadowClient* client, UINT32 numRects,
const RECTANGLE_16* rects)
{
RECTANGLE_16 screenRegion;
rdpSettings* settings = NULL;
WINPR_ASSERT(client);
WINPR_ASSERT(rects || (numRects == 0));
settings = client->context.settings;
rdpSettings* settings = client->context.settings;
WINPR_ASSERT(settings);
EnterCriticalSection(&(client->lock));
@@ -364,20 +361,22 @@ static inline void shadow_client_mark_invalid(rdpShadowClient* client, UINT32 nu
{
for (UINT32 index = 0; index < numRects; index++)
{
region16_union_rect(&(client->invalidRegion), &(client->invalidRegion), &rects[index]);
if (!region16_union_rect(&(client->invalidRegion), &(client->invalidRegion),
&rects[index]))
goto fail;
}
}
else
{
screenRegion.left = 0;
screenRegion.top = 0;
RECTANGLE_16 screenRegion = { 0 };
WINPR_ASSERT(freerdp_settings_get_uint32(settings, FreeRDP_DesktopWidth) <= UINT16_MAX);
WINPR_ASSERT(freerdp_settings_get_uint32(settings, FreeRDP_DesktopHeight) <= UINT16_MAX);
screenRegion.right = (UINT16)freerdp_settings_get_uint32(settings, FreeRDP_DesktopWidth);
screenRegion.bottom = (UINT16)freerdp_settings_get_uint32(settings, FreeRDP_DesktopHeight);
region16_union_rect(&(client->invalidRegion), &(client->invalidRegion), &screenRegion);
if (!region16_union_rect(&(client->invalidRegion), &(client->invalidRegion), &screenRegion))
goto fail;
}
fail:
LeaveCriticalSection(&(client->lock));
}
@@ -410,7 +409,8 @@ static inline BOOL shadow_client_recalc_desktop_size(rdpShadowClient* client)
if (server->shareSubRect)
{
rectangles_intersection(&viewport, &(server->subRect), &viewport);
if (!rectangles_intersection(&viewport, &(server->subRect), &viewport))
return FALSE;
}
width = viewport.right - viewport.left;
@@ -1170,7 +1170,8 @@ static BOOL shadow_client_send_surface_gfx(rdpShadowClient* client, const BYTE*
if (client->first_frame)
{
rfx_context_reset(encoder->rfx, nWidth, nHeight);
if (!rfx_context_reset(encoder->rfx, nWidth, nHeight))
return FALSE;
client->first_frame = FALSE;
}
@@ -1365,7 +1366,11 @@ static BOOL shadow_client_send_surface_gfx(rdpShadowClient* client, const BYTE*
regionRect.right = (UINT16)cmd.right;
regionRect.bottom = (UINT16)cmd.bottom;
region16_init(&region);
region16_union_rect(&region, &region, &regionRect);
if (!region16_union_rect(&region, &region, &regionRect))
{
region16_uninit(&region);
return FALSE;
}
rc = progressive_compress(encoder->progressive, pSrcData, nSrcStep * nHeight, cmd.format,
nWidth, nHeight, nSrcStep, &region, &cmd.data, &cmd.length);
region16_uninit(&region);
@@ -1617,7 +1622,9 @@ static BOOL shadow_client_send_surface_bits(rdpShadowClient* client, BYTE* pSrcD
s = encoder->bs;
Stream_SetPosition(s, 0);
pSrcData = &pSrcData[(nYSrc * nSrcStep) + (nXSrc * 4)];
nsc_compose_message(encoder->nsc, s, pSrcData, nWidth, nHeight, nSrcStep);
if (!nsc_compose_message(encoder->nsc, s, pSrcData, nWidth, nHeight, nSrcStep))
return FALSE;
cmd.cmdType = CMDTYPE_SET_SURFACE_BITS;
cmd.bmp.bpp = 32;
WINPR_ASSERT(nsID <= UINT16_MAX);
@@ -1767,9 +1774,12 @@ static BOOL shadow_client_send_bitmap_update(rdpShadowClient* client, BYTE* pSrc
UINT32 bytesPerPixel = (bitsPerPixel + 7) / 8;
DstSize = 64 * 64 * 4;
buffer = encoder->grid[k];
interleaved_compress(encoder->interleaved, buffer, &DstSize, bitmap->width,
bitmap->height, pSrcData, SrcFormat, nSrcStep,
bitmap->destLeft, bitmap->destTop, NULL, bitsPerPixel);
ret = interleaved_compress(encoder->interleaved, buffer, &DstSize, bitmap->width,
bitmap->height, pSrcData, SrcFormat, nSrcStep,
bitmap->destLeft, bitmap->destTop, NULL, bitsPerPixel);
if (!ret)
goto out;
bitmap->bitmapDataStream = buffer;
bitmap->bitmapLength = DstSize;
bitmap->bitsPerPixel = bitsPerPixel;
@@ -1900,7 +1910,8 @@ static BOOL shadow_client_send_surface_update(rdpShadowClient* client, SHADOW_GF
EnterCriticalSection(&(client->lock));
region16_init(&invalidRegion);
region16_copy(&invalidRegion, &(client->invalidRegion));
if (!region16_copy(&invalidRegion, &(client->invalidRegion)))
goto out;
region16_clear(&(client->invalidRegion));
LeaveCriticalSection(&(client->lock));
@@ -1908,7 +1919,10 @@ static BOOL shadow_client_send_surface_update(rdpShadowClient* client, SHADOW_GF
rects = region16_rects(&(surface->invalidRegion), &numRects);
for (UINT32 index = 0; index < numRects; index++)
region16_union_rect(&invalidRegion, &invalidRegion, &rects[index]);
{
if (!region16_union_rect(&invalidRegion, &invalidRegion, &rects[index]))
goto out;
}
surfaceRect.left = 0;
surfaceRect.top = 0;
@@ -1916,11 +1930,13 @@ static BOOL shadow_client_send_surface_update(rdpShadowClient* client, SHADOW_GF
WINPR_ASSERT(surface->height <= UINT16_MAX);
surfaceRect.right = (UINT16)surface->width;
surfaceRect.bottom = (UINT16)surface->height;
region16_intersect_rect(&invalidRegion, &invalidRegion, &surfaceRect);
if (!region16_intersect_rect(&invalidRegion, &invalidRegion, &surfaceRect))
goto out;
if (server->shareSubRect)
{
region16_intersect_rect(&invalidRegion, &invalidRegion, &(server->subRect));
if (!region16_intersect_rect(&invalidRegion, &invalidRegion, &(server->subRect)))
goto out;
}
if (region16_is_empty(&invalidRegion))
@@ -2481,7 +2497,8 @@ static DWORD WINAPI shadow_client_thread(LPVOID arg)
{
if (WaitForSingleObject(gfxevent, 0) == WAIT_OBJECT_0)
{
rdpgfx_server_handle_messages(client->rdpgfx);
if (!rdpgfx_server_handle_messages(client->rdpgfx))
goto fail;
}
}
#endif

3
server/shadow/shadow_encoder.c
View File

@@ -143,7 +143,8 @@ static int shadow_encoder_init_rfx(rdpShadowEncoder* encoder)
{
const UINT32 mode =
freerdp_settings_get_uint32(encoder->server->settings, FreeRDP_RemoteFxRlgrMode);
rfx_context_set_mode(encoder->rfx, WINPR_ASSERTING_INT_CAST(RLGR_MODE, mode));
if (!rfx_context_set_mode(encoder->rfx, WINPR_ASSERTING_INT_CAST(RLGR_MODE, mode)))
goto fail;
}
rfx_context_set_pixel_format(encoder->rfx, PIXEL_FORMAT_BGRX32);
encoder->codecs |= FREERDP_CODEC_REMOTEFX;

6
server/shadow/shadow_lobby.c
View File

@@ -59,7 +59,8 @@ BOOL shadow_client_init_lobby(rdpShadowServer* server)
if (server->shareSubRect)
{
/* If we have shared sub rect setting, only fill shared rect */
rectangles_intersection(&invalidRect, &(server->subRect), &invalidRect);
if (!rectangles_intersection(&invalidRect, &(server->subRect), &invalidRect))
goto fail;
}
width = invalidRect.right - invalidRect.left;
@@ -78,7 +79,8 @@ BOOL shadow_client_init_lobby(rdpShadowServer* server)
rdtk_surface_free(surface);
region16_union_rect(&(lobby->invalidRegion), &(lobby->invalidRegion), &invalidRect);
if (!region16_union_rect(&(lobby->invalidRegion), &(lobby->invalidRegion), &invalidRect))
goto fail;
rc = TRUE;
fail: