andreacavalli
/
xserver-multidpi
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

DMX: Remove usage of alloca 

Replace with heap allocations.
This commit is contained in:
Daniel Stone 2007-11-05 14:10:21 +00:00
parent def6f74f2d
commit d57060f167
3 changed files with 35 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
hw/dmx/dmx.c
View File

@ -424,7 +424,7 @@ static int ProcDMXChangeScreensAttributes(ClientPtr client)
if (!_DMXXineramaActive()) goto noxinerama;
if (!(attribs = ALLOCATE_LOCAL(stuff->screenCount * sizeof(*attribs))))
if (!(attribs = xalloc(stuff->screenCount * sizeof(*attribs))))
return BadAlloc;
for (i = 0; i < stuff->screenCount; i++) {
@ -443,7 +443,7 @@ static int ProcDMXChangeScreensAttributes(ClientPtr client)
&errorScreen);
#endif
DEALLOCATE_LOCAL(attribs);
xfree(attribs);
if (status == BadValue) return status;
@ -489,7 +489,7 @@ static int ProcDMXAddScreen(ClientPtr client)
value_list = (CARD32 *)(stuff + 1);
count = dmxFetchScreenAttributes(stuff->valueMask, &attr, value_list);
if (!(name = ALLOCATE_LOCAL(stuff->displayNameLength + 1 + 4)))
if (!(name = xalloc(stuff->displayNameLength + 1 + 4)))
return BadAlloc;
memcpy(name, &value_list[count], stuff->displayNameLength);
name[stuff->displayNameLength] = '\0';
@ -497,7 +497,7 @@ static int ProcDMXAddScreen(ClientPtr client)
status = dmxAttachScreen(stuff->physicalScreen, &attr);
DEALLOCATE_LOCAL(name);
xfree(name);
rep.type = X_Reply;
rep.sequenceNumber = client->sequence;
@ -617,30 +617,30 @@ static int ProcDMXGetWindowAttributes(ClientPtr client)
REQUEST_SIZE_MATCH(xDMXGetWindowAttributesReq);
if (!(screens = ALLOCATE_LOCAL(count * sizeof(*screens))))
if (!(screens = xalloc(count * sizeof(*screens))))
return BadAlloc;
if (!(windows = ALLOCATE_LOCAL(count * sizeof(*windows)))) {
DEALLOCATE_LOCAL(screens);
if (!(windows = xalloc(count * sizeof(*windows)))) {
xfree(screens);
return BadAlloc;
}
if (!(pos = ALLOCATE_LOCAL(count * sizeof(*pos)))) {
DEALLOCATE_LOCAL(windows);
DEALLOCATE_LOCAL(screens);
if (!(pos = xalloc(count * sizeof(*pos)))) {
xfree(windows);
xfree(screens);
return BadAlloc;
}
if (!(vis = ALLOCATE_LOCAL(count * sizeof(*vis)))) {
DEALLOCATE_LOCAL(pos);
DEALLOCATE_LOCAL(windows);
DEALLOCATE_LOCAL(screens);
if (!(vis = xalloc(count * sizeof(*vis)))) {
xfree(pos);
xfree(windows);
xfree(screens);
return BadAlloc;
}
if ((count = dmxPopulate(client, stuff->window, screens, windows,
pos, vis)) < 0) {
DEALLOCATE_LOCAL(vis);
DEALLOCATE_LOCAL(pos);
DEALLOCATE_LOCAL(windows);
DEALLOCATE_LOCAL(screens);
xfree(vis);
xfree(pos);
xfree(windows);
xfree(screens);
return BadWindow;
}
@ -678,10 +678,10 @@ static int ProcDMXGetWindowAttributes(ClientPtr client)
WriteToClient(client, count * sizeof(*vis), (char *)vis);
}
DEALLOCATE_LOCAL(vis);
DEALLOCATE_LOCAL(pos);
DEALLOCATE_LOCAL(windows);
DEALLOCATE_LOCAL(screens);
xfree(vis);
xfree(pos);
xfree(windows);
xfree(screens);
return client->noClientException;
}
@ -842,7 +842,7 @@ static int ProcDMXAddInput(ClientPtr client)
value_list = (CARD32 *)(stuff + 1);
count = dmxFetchInputAttributes(stuff->valueMask, &attr, value_list);
if (!(name = ALLOCATE_LOCAL(stuff->displayNameLength + 1 + 4)))
if (!(name = xalloc(stuff->displayNameLength + 1 + 4)))
return BadAlloc;
memcpy(name, &value_list[count], stuff->displayNameLength);
name[stuff->displayNameLength] = '\0';
@ -850,7 +850,7 @@ static int ProcDMXAddInput(ClientPtr client)
status = dmxAddInput(&attr, &id);
DEALLOCATE_LOCAL(name);
xfree(name);
if (status) return status;

12
hw/dmx/dmxextension.c
View File

@ -1121,9 +1121,9 @@ static void dmxBERestoreRenderGlyph(pointer value, XID id, pointer n)
}
/* Now allocate the memory we need */
images = ALLOCATE_LOCAL(len_images*sizeof(char));
gids = ALLOCATE_LOCAL(glyphSet->hash.tableEntries*sizeof(Glyph));
glyphs = ALLOCATE_LOCAL(glyphSet->hash.tableEntries*sizeof(XGlyphInfo));
images = xalloc(len_images*sizeof(char));
gids = xalloc(glyphSet->hash.tableEntries*sizeof(Glyph));
glyphs = xalloc(glyphSet->hash.tableEntries*sizeof(XGlyphInfo));
memset(images, 0, len_images * sizeof(char));
pos = images;
@ -1159,9 +1159,9 @@ static void dmxBERestoreRenderGlyph(pointer value, XID id, pointer n)
len_images);
/* Clean up */
DEALLOCATE_LOCAL(len_images);
DEALLOCATE_LOCAL(gids);
DEALLOCATE_LOCAL(glyphs);
xfree(len_images);
xfree(gids);
xfree(glyphs);
}
#endif

10
hw/dmx/dmxpict.c
View File

@ -531,13 +531,13 @@ static int dmxProcRenderCompositeGlyphs(ClientPtr client)
/* The following only works for Render version > 0.2 */
/* All of the XGlyphElt* structure sizes are identical */
elts = ALLOCATE_LOCAL(nelt * sizeof(XGlyphElt8));
elts = xalloc(nelt * sizeof(XGlyphElt8));
if (!elts)
return BadAlloc;
glyphs = ALLOCATE_LOCAL(nglyph * size);
glyphs = xalloc(nglyph * size);
if (!glyphs) {
DEALLOCATE_LOCAL(elts);
xfree(elts);
return BadAlloc;
}
@ -605,8 +605,8 @@ static int dmxProcRenderCompositeGlyphs(ClientPtr client)
dmxSync(dmxScreen, FALSE);
DEALLOCATE_LOCAL(elts);
DEALLOCATE_LOCAL(glyphs);
xfree(elts);
xfree(glyphs);
}
return ret;