From c81a45785970aa198736d8dc578beb2d7bbd1b2f Mon Sep 17 00:00:00 2001 From: Ulrich Sibiller Date: Thu, 28 Feb 2019 23:11:23 +0100 Subject: Use calloc to zero fill buffers being allocated for replies & events commit cdf5bcd420e5bcf4a4a24a275d3133a4e16ce41e Author: Alan Coopersmith Date: Mon Jul 9 19:12:42 2012 -0700 Use calloc to zero fill buffers being allocated for replies & events Ensures padding bytes are zero-filled Signed-off-by: Alan Coopersmith Reviewed-by: Keith Packard Tested-by: Daniel Stone Attributes ArcticaProject/nx-libs#382 --- nx-X11/programs/Xserver/GL/glx/glxcmds.c | 4 ++-- nx-X11/programs/Xserver/Xext/sync.c | 2 +- nx-X11/programs/Xserver/render/render.c | 4 ++-- nx-X11/programs/Xserver/xfixes/cursor.c | 8 ++++---- nx-X11/programs/Xserver/xfixes/region.c | 4 ++-- 5 files changed, 11 insertions(+), 11 deletions(-) (limited to 'nx-X11') diff --git a/nx-X11/programs/Xserver/GL/glx/glxcmds.c b/nx-X11/programs/Xserver/GL/glx/glxcmds.c index 353697727..16ecdb1e0 100644 --- a/nx-X11/programs/Xserver/GL/glx/glxcmds.c +++ b/nx-X11/programs/Xserver/GL/glx/glxcmds.c @@ -2084,7 +2084,7 @@ int __glXQueryExtensionsString(__GLXclientState *cl, GLbyte *pc) reply.n = n; /* Allocate buffer to make sure it's a multiple of 4 bytes big.*/ - buf = (char *) malloc(length << 2); + buf = calloc(length, 4); if (buf == NULL) return BadAlloc; memcpy(buf, ptr, n); @@ -2141,7 +2141,7 @@ int __glXQueryServerString(__GLXclientState *cl, GLbyte *pc) reply.length = length; reply.n = n; - if ((buf = (char *) malloc(length << 2)) == NULL) { + if ((buf = calloc(length, 4)) == NULL) { return BadAlloc; } memcpy(buf, ptr, n); diff --git a/nx-X11/programs/Xserver/Xext/sync.c b/nx-X11/programs/Xserver/Xext/sync.c index bc7cb404a..00f30e484 100644 --- a/nx-X11/programs/Xserver/Xext/sync.c +++ b/nx-X11/programs/Xserver/Xext/sync.c @@ -590,7 +590,7 @@ SyncSendCounterNotifyEvents(client, ppAwait, num_events) if (client->clientGone) return; pev = pEvents = (xSyncCounterNotifyEvent *) - malloc(num_events * sizeof(xSyncCounterNotifyEvent)); + calloc(num_events, sizeof(xSyncCounterNotifyEvent)); if (!pEvents) return; UpdateCurrentTime(); diff --git a/nx-X11/programs/Xserver/render/render.c b/nx-X11/programs/Xserver/render/render.c index 3c1cbe53c..78677b752 100644 --- a/nx-X11/programs/Xserver/render/render.c +++ b/nx-X11/programs/Xserver/render/render.c @@ -580,7 +580,7 @@ ProcRenderQueryPictIndexValues (ClientPtr client) num = pFormat->index.nvalues; rlength = (sizeof (xRenderQueryPictIndexValuesReply) + num * sizeof(xIndexValue)); - reply = (xRenderQueryPictIndexValuesReply *) malloc (rlength); + reply = (xRenderQueryPictIndexValuesReply *) calloc (1, rlength); if (!reply) return BadAlloc; @@ -1746,7 +1746,7 @@ ProcRenderQueryFilters (ClientPtr client) } len = ((nnames + 1) >> 1) + ((nbytesName + 3) >> 2); total_bytes = sizeof (xRenderQueryFiltersReply) + (len << 2); - reply = (xRenderQueryFiltersReply *) malloc (total_bytes); + reply = (xRenderQueryFiltersReply *) calloc (1, total_bytes); if (!reply) return BadAlloc; aliases = (INT16 *) (reply + 1); diff --git a/nx-X11/programs/Xserver/xfixes/cursor.c b/nx-X11/programs/Xserver/xfixes/cursor.c index 152bda500..b80bd90d6 100644 --- a/nx-X11/programs/Xserver/xfixes/cursor.c +++ b/nx-X11/programs/Xserver/xfixes/cursor.c @@ -364,8 +364,8 @@ ProcXFixesGetCursorImage (ClientPtr client) width = pCursor->bits->width; height = pCursor->bits->height; npixels = width * height; - rep = malloc (sizeof (xXFixesGetCursorImageReply) + - npixels * sizeof (CARD32)); + rep = calloc (sizeof (xXFixesGetCursorImageReply) + + npixels * sizeof (CARD32), 1); if (!rep) return BadAlloc; @@ -508,8 +508,8 @@ ProcXFixesGetCursorImageAndName (ClientPtr client) name = pCursor->name ? NameForAtom (pCursor->name) : ""; nbytes = strlen (name); nbytesRound = (nbytes + 3) & ~3; - rep = malloc (sizeof (xXFixesGetCursorImageAndNameReply) + - npixels * sizeof (CARD32) + nbytesRound); + rep = calloc (sizeof (xXFixesGetCursorImageAndNameReply) + + npixels * sizeof (CARD32) + nbytesRound, 1); if (!rep) return BadAlloc; diff --git a/nx-X11/programs/Xserver/xfixes/region.c b/nx-X11/programs/Xserver/xfixes/region.c index ba8c62835..849df6869 100644 --- a/nx-X11/programs/Xserver/xfixes/region.c +++ b/nx-X11/programs/Xserver/xfixes/region.c @@ -570,8 +570,8 @@ ProcXFixesFetchRegion (ClientPtr client) pBox = RegionRects (pRegion); nBox = RegionNumRects (pRegion); - reply = malloc (sizeof (xXFixesFetchRegionReply) + - nBox * sizeof (xRectangle)); + reply = calloc (sizeof (xXFixesFetchRegionReply) + + nBox * sizeof (xRectangle), 1); if (!reply) return BadAlloc; reply->type = X_Reply; -- cgit v1.2.3