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-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/Atoms.c16
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/Colormap.c4
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/Display.c16
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/Drawable.c4
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/Keyboard.c13
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/NXglyph.c7
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/NXpicture.c27
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/Reconnect.c8
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/Render.c2
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/Rootless.c3
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/Screen.c39
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/Splash.c13
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/Window.c43
13 files changed, 137 insertions, 58 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Atoms.c b/nx-X11/programs/Xserver/hw/nxagent/Atoms.c
index c15674f5e..ea7ad7599 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Atoms.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Atoms.c
@@ -385,12 +385,16 @@ static void nxagentExpandCache(void)
{
privAtomMapSize += NXAGENT_ATOM_MAP_SIZE_INCREMENT;
- privAtomMap = realloc(privAtomMap, privAtomMapSize * sizeof(AtomMap));
+ AtomMap * newmap = realloc(privAtomMap, privAtomMapSize * sizeof(AtomMap));
- if (privAtomMap == NULL)
+ if (newmap == NULL)
{
FatalError("nxagentExpandCache: realloc failed\n");
}
+ else
+ {
+ privAtomMap = newmap;
+ }
}
/*
@@ -405,19 +409,23 @@ static void nxagentWriteAtom(Atom local, XlibAtom remote, const char *string)
#ifdef WARNING
if (s == NULL)
{
- fprintf(stderr, "nxagentWriteAtom: Malloc failed.\n");
+ /* we only warn here, because s being NULL ist not problem, it
+ will only result in NULL being stored in the privAtomMap, which
+ is perfectly legal. */
+ fprintf(stderr, "%s: Malloc failed.\n", __func__);
}
#endif
if (privLastAtom == privAtomMapSize)
{
+ /* will issue a fatal error, therefore no further check here */
nxagentExpandCache();
}
privAtomMap[privLastAtom].local = local;
privAtomMap[privLastAtom].remote = remote;
privAtomMap[privLastAtom].string = s;
- privAtomMap[privLastAtom].length = strlen(s);
+ privAtomMap[privLastAtom].length = s ? strlen(s) : 0;
privLastAtom++;
}
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Colormap.c b/nx-X11/programs/Xserver/hw/nxagent/Colormap.c
index 9308390fe..c173f322c 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Colormap.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Colormap.c
@@ -482,7 +482,7 @@ void nxagentResolveColor(unsigned short *pRed, unsigned short *pGreen,
unsigned int limg = pVisual->ColormapEntries - 1;
/* rescale to gray then [0..limg] then [0..65535] then rgb bits */
*pRed = (30L * *pRed + 59L * *pGreen + 11L * *pBlue) / 100;
- *pRed = ((((*pRed * (limg + 1))) >> 16) * 65535) / limg;
+ *pRed = (((*pRed * (limg + 1)) >> 16) * 65535) / limg;
*pBlue = *pGreen = *pRed = ((*pRed >> shift) * 65535) / lim;
}
else
@@ -573,7 +573,7 @@ Bool nxagentReconnectAllColormap(void *p0)
for (int cid = 0; (cid < MAXCLIENTS) && success; cid++)
{
- if (clients[cid] && success)
+ if (clients[cid])
{
FindClientResourcesByType(clients[cid], RT_COLORMAP, nxagentReconnectColormap, &success);
}
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Display.c b/nx-X11/programs/Xserver/hw/nxagent/Display.c
index 659355501..89d49edf1 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Display.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Display.c
@@ -2576,12 +2576,18 @@ Bool nxagentReconnectDisplay(void *p0)
nxagentNumDefaultColormaps = nxagentNumVisuals;
- nxagentDefaultColormaps = (Colormap *) realloc(nxagentDefaultColormaps,
- nxagentNumDefaultColormaps * sizeof(Colormap));
-
- if (nxagentDefaultColormaps == NULL)
{
- FatalError("Can't allocate memory for the default colormaps\n");
+ Colormap * tmp = (Colormap *) realloc(nxagentDefaultColormaps,
+ nxagentNumDefaultColormaps * sizeof(Colormap));
+ if (tmp == NULL)
+ {
+ SAFE_free(nxagentDefaultColormaps);
+ FatalError("Can't allocate memory for the default colormaps\n");
+ }
+ else
+ {
+ nxagentDefaultColormaps = tmp;
+ }
}
reconnectDisplayState = ALLOC_DEF_COLORMAP;
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Drawable.c b/nx-X11/programs/Xserver/hw/nxagent/Drawable.c
index ca1b09dd3..2facf1df3 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Drawable.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Drawable.c
@@ -1605,9 +1605,11 @@ void nxagentUnmarkCorruptedRegion(DrawablePtr pDrawable, RegionPtr pRegion)
* If the drawable becomes synchronized, the counter reporting the
* number of corrupted drawables must be decreased. Moreover the
* corrupted timestamp must be reset.
+ * Note: oldstatus has been checked above and is always
+ * "NotSynchronized" here.
*/
- if (oldStatus == NotSynchronized &&
+ if (/*oldStatus == NotSynchronized &&*/
nxagentDrawableStatus(pDrawable) == Synchronized)
{
if (pDrawable -> type == DRAWABLE_PIXMAP)
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Keyboard.c b/nx-X11/programs/Xserver/hw/nxagent/Keyboard.c
index 00db6ce2a..731844874 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Keyboard.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Keyboard.c
@@ -435,6 +435,11 @@ N/A
int len = (max_keycode - min_keycode + 1) * mapWidth;
keymap = (KeySym *)malloc(len * sizeof(KeySym));
+ if (keymap == NULL)
+ {
+ XFreeModifiermap(modifier_keymap);
+ return -1;
+ }
for(int i = 0; i < len; ++i)
{
keymap[i] = keymap64[i];
@@ -1425,11 +1430,9 @@ static void nxagentXkbGetRemoteNames(void)
if ((after > 0) || (type != XA_STRING) || (format != 8))
{
- if (data)
- {
- SAFE_XFree(data);
- return;
- }
+ /* data non-null - has been checked above */
+ SAFE_XFree(data);
+ return;
}
char *name = data;
diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXglyph.c b/nx-X11/programs/Xserver/hw/nxagent/NXglyph.c
index 022ef09f4..8c35af4c4 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/NXglyph.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/NXglyph.c
@@ -296,6 +296,13 @@ miGlyphs (CARD8 op,
else
{
nxagentGlyphsExtents = (BoxPtr) malloc(sizeof(BoxRec));
+ if (!nxagentGlyphsExtents)
+ {
+ #ifdef WARNING
+ fprintf(stderr, "WARNING! Cannot allocate GlyphExtents\n");
+ #endif
+ return;
+ }
GlyphExtents (nlist, list, glyphs, &extents);
diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXpicture.c b/nx-X11/programs/Xserver/hw/nxagent/NXpicture.c
index 2a307b0f7..5bda3c9ef 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/NXpicture.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/NXpicture.c
@@ -320,27 +320,24 @@ static PicturePtr createSourcePicture(void)
if (!pPicture)
return 0;
- if (pPicture != NULL)
- {
- DevUnion *ppriv = (DevUnion *) (pPicture + 1);
+ DevUnion *ppriv = (DevUnion *) (pPicture + 1);
- for (int i = 0; i < picturePrivateCount; ++i)
- {
- /*
- * Other privates are inaccessible.
- */
+ for (int i = 0; i < picturePrivateCount; ++i)
+ {
+ /*
+ * Other privates are inaccessible.
+ */
- ppriv[i].ptr = NULL;
- }
+ ppriv[i].ptr = NULL;
+ }
- char *privPictureRecAddr = (char *) &ppriv[picturePrivateCount];
+ char *privPictureRecAddr = (char *) &ppriv[picturePrivateCount];
- ppriv[nxagentPicturePrivateIndex].ptr = (void *) privPictureRecAddr;
+ ppriv[nxagentPicturePrivateIndex].ptr = (void *) privPictureRecAddr;
- pPicture -> devPrivates = ppriv;
+ pPicture -> devPrivates = ppriv;
- nxagentPicturePriv(pPicture) -> picture = 0;
- }
+ nxagentPicturePriv(pPicture) -> picture = 0;
pPicture->pDrawable = 0;
pPicture->pFormat = 0;
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Reconnect.c b/nx-X11/programs/Xserver/hw/nxagent/Reconnect.c
index d0f83e7bd..e6d3ce6ec 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Reconnect.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Reconnect.c
@@ -788,12 +788,16 @@ void nxagentSetReconnectError(int id, char *format, ...)
size = (size ? size * 2 : NXAGENT_RECONNECT_DEFAULT_MESSAGE_SIZE);
}
- nxagentReconnectErrorMessage = realloc(nxagentReconnectErrorMessage, size);
+ char *tmp = realloc(nxagentReconnectErrorMessage, size);
- if (nxagentReconnectErrorMessage == NULL)
+ if (tmp == NULL)
{
FatalError("realloc failed");
}
+ else
+ {
+ nxagentReconnectErrorMessage = tmp;
+ }
}
return;
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Render.c b/nx-X11/programs/Xserver/hw/nxagent/Render.c
index 28e2d77fc..98d7aef67 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Render.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Render.c
@@ -1248,7 +1248,7 @@ void nxagentGlyphs(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc, int nlists,
XGlyphElt8 *elts, int sizeID, GlyphPtr *glyphsBase)
{
- BoxRec glyphBox;
+ BoxRec glyphBox = {0};
XGlyphElt8 *elements;
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Rootless.c b/nx-X11/programs/Xserver/hw/nxagent/Rootless.c
index 65d0f4218..72cb13042 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Rootless.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Rootless.c
@@ -502,7 +502,8 @@ int nxagentExportProperty(WindowPtr pWin,
nxagentPropWMHints propHints = {
.flags = wmHints.flags,
- .input = (wmHints.input == True ? 1 : 0),
+ /*.input = (wmHints.input == True ? 1 : 0), is always True*/
+ .input = 1,
.initialState = wmHints.initial_state,
.iconPixmap = wmHints.icon_pixmap,
.iconWindow = wmHints.icon_window,
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Screen.c b/nx-X11/programs/Xserver/hw/nxagent/Screen.c
index d09c14692..173d2fb82 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Screen.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Screen.c
@@ -1156,6 +1156,14 @@ Bool nxagentOpenScreen(ScreenPtr pScreen, int argc, char *argv[])
*/
DepthPtr depths = (DepthPtr) malloc(nxagentNumDepths * sizeof(DepthRec));
+ if (!depths)
+ {
+ #ifdef WARNING
+ fprintf(stderr, "WARNING: Could not allocate depths array\n");
+ #endif
+ /* FIXME: free data allocated above */
+ return False;
+ }
for (int i = 0; i < nxagentNumDepths; i++)
{
@@ -1177,6 +1185,14 @@ Bool nxagentOpenScreen(ScreenPtr pScreen, int argc, char *argv[])
int numDepths = nxagentNumDepths;
VisualPtr visuals = (VisualPtr) malloc(nxagentNumVisuals * sizeof(VisualRec));
+ if (!visuals)
+ {
+ #ifdef WARNING
+ fprintf(stderr, "WARNING: Could not allocate visual array\n");
+ #endif
+ /* FIXME: free data allocated above */
+ return False;
+ }
int defaultVisualIndex = 0;
@@ -3058,6 +3074,14 @@ void nxagentShadowAdaptDepth(unsigned int width, unsigned int height,
unsigned char *cBuffer = malloc(length);
unsigned char *icBuffer = cBuffer;
+ if (!cBuffer)
+ {
+ #ifdef WARNING
+ fprintf(stderr, "WARNING: could not allocate cBuffer\n");
+ #endif
+ return;
+ }
+
Visual *pVisual = nxagentImageVisual((DrawablePtr) nxagentShadowPixmapPtr, nxagentShadowDepth);
if (pVisual == NULL)
@@ -4203,6 +4227,13 @@ void nxagentSaveAreas(PixmapPtr pPixmap, RegionPtr prgnSave, int xorg, int yorg,
int nRects = RegionNumRects(&cleanRegion);
int size = nRects * sizeof(XRectangle);
XRectangle *pRects = (XRectangle *) malloc(size);
+ if (!pRects)
+ {
+ #ifdef WARNING
+ fprintf(stderr, "Could not allocate pRects\n");
+ #endif
+ return;
+ }
BoxPtr pBox = RegionRects(&cleanRegion);
for (int i = nRects; i-- > 0;)
@@ -4336,6 +4367,14 @@ void nxagentRestoreAreas(PixmapPtr pPixmap, RegionPtr prgnRestore, int xorg,
int nRects = RegionNumRects(clipRegion);
int size = nRects * sizeof(XRectangle);
XRectangle *pRects = (XRectangle *) malloc(size);
+ if (!pRects)
+ {
+ #ifdef WARNING
+ fprintf(stderr, "Could not allocate pRects\n");
+ #endif
+ return;
+ }
+
BoxPtr pBox = RegionRects(clipRegion);
for (int i = nRects; i-- > 0;)
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Splash.c b/nx-X11/programs/Xserver/hw/nxagent/Splash.c
index ea82513e6..37f965f04 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Splash.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Splash.c
@@ -332,15 +332,10 @@ void nxagentRemoveSplashWindow(void)
fprintf(stderr, "%s: Destroying the splash window.\n", __func__);
#endif
- if (!nxagentWMPassed)
- {
- #ifdef NXAGENT_ONSTART
- XSetSelectionOwner(nxagentDisplay, nxagentReadyAtom,
- nxagentDefaultWindows[0], CurrentTime);
- #endif
-
- nxagentWMPassed = True;
- }
+ #ifdef NXAGENT_ONSTART
+ XSetSelectionOwner(nxagentDisplay, nxagentReadyAtom,
+ nxagentDefaultWindows[0], CurrentTime);
+ #endif
if (nxagentSplashWindow != None)
{
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Window.c b/nx-X11/programs/Xserver/hw/nxagent/Window.c
index e1a0776ad..d95f8f3ed 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Window.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Window.c
@@ -3088,27 +3088,36 @@ static void nxagentReconnectWindow(void * param0, XID param1, void * data_buffer
(void*)pWin, pWin -> drawable.id, nxagentWindow(pWin));
#endif
+ /* FIXME: use XAllocSizeHints() */
#ifdef _XSERVER64
data64 = (unsigned char *) malloc(sizeof(XSizeHints) + 4);
+ if (data64)
+ {
+ for (int i = 0; i < 4; i++)
+ {
+ *(data64 + i) = *(data + i);
+ }
- for (int i = 0; i < 4; i++)
- {
- *(data64 + i) = *(data + i);
- }
-
- *(((int *) data64) + 1) = 0;
+ *(((int *) data64) + 1) = 0;
- for (int i = 8; i < sizeof(XSizeHints) + 4; i++)
- {
- *(data64 + i) = *(data + i - 4);
- }
+ for (int i = 8; i < sizeof(XSizeHints) + 4; i++)
+ {
+ *(data64 + i) = *(data + i - 4);
+ }
- XSizeHints *props = (XSizeHints *) data64;
+ XSizeHints *props = (XSizeHints *) data64;
#else
- XSizeHints *props = (XSizeHints *) data;
+ XSizeHints *props = (XSizeHints *) data;
#endif /* _XSERVER64 */
- hints = *props;
+ hints = *props;
+ }
+ else
+ {
+ #ifdef WARNING
+ fprintf(stderr, "%s: Failed to alloc memory for XSizeHints\n", __func__);
+ #endif
+ }
}
else
{
@@ -3657,6 +3666,14 @@ void nxagentAddStaticResizedWindow(WindowPtr pWin, unsigned long sequence, int o
StaticResizedWindowStruct *tmp = nxagentStaticResizedWindowList;
nxagentStaticResizedWindowList = malloc(sizeof(StaticResizedWindowStruct));
+ if (!nxagentStaticResizedWindowList)
+ {
+ #ifdef WARNING
+ fprintf(stderr, "WARNING: could not allocate memory for nxagentStaticResizedWindowList\n");
+ #endif
+ nxagentStaticResizedWindowList = tmp;
+ return;
+ }
nxagentStaticResizedWindowList -> next = tmp;
nxagentStaticResizedWindowList -> prev = NULL;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-05 00:13:30 +0000