Convert multiplying realloc calls to use reallocarray instead

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>

10 files changed, 21 insertions, 12 deletions

diff --git a/src/FreeType/ftfuncs.c b/src/FreeType/ftfuncs.c
index bc41bdf..f86d8dd 100644
--- a/src/FreeType/ftfuncs.c
+++ b/src/FreeType/ftfuncs.c
@@ -2124,7 +2124,7 @@ restrict_code_range_by_str(int count,unsigned short *refFirstCol,
 #endif
         nRanges++;
         oldRanges = ranges;
-        ranges = realloc(ranges, nRanges*sizeof(*ranges));
+        ranges = reallocarray(ranges, nRanges, sizeof(*ranges));
         if (NULL == ranges) {
             free(oldRanges);
             break;
diff --git a/src/fontfile/bitsource.c b/src/fontfile/bitsource.c
index 3a6a20f..8437d44 100644
--- a/src/fontfile/bitsource.c
+++ b/src/fontfile/bitsource.c
@@ -32,6 +32,7 @@ in this Software without prior written authorization from The Open Group.
 #include <config.h>
 #endif
 #include "libxfontint.h"
+#include "src/util/replace.h"
 #include <X11/fonts/fntfilst.h>
 
 BitmapSourcesRec	FontFileBitmapSources;
@@ -49,7 +50,7 @@ FontFileRegisterBitmapSource (FontPathElementPtr fpe)
     if (FontFileBitmapSources.count == FontFileBitmapSources.size)
     {
 	newsize = FontFileBitmapSources.size + 4;
-	new = realloc (FontFileBitmapSources.fpe, newsize * sizeof *new);
+	new = reallocarray (FontFileBitmapSources.fpe, newsize, sizeof *new);
 	if (!new)
 	    return FALSE;
 	FontFileBitmapSources.size = newsize;
diff --git a/src/fontfile/catalogue.c b/src/fontfile/catalogue.c
index 2087232..5df01c2 100644
--- a/src/fontfile/catalogue.c
+++ b/src/fontfile/catalogue.c
@@ -35,6 +35,7 @@
 #include <sys/stat.h>
 #include <dirent.h>
 #include <unistd.h>
+#include "src/util/replace.h"
 
 static const char CataloguePrefix[] = "catalogue:";
 
@@ -64,7 +65,8 @@ CatalogueAddFPE (CataloguePtr cat, FontPathElementPtr fpe)
 	else
 	    cat->fpeAlloc *= 2;
 
-	new = realloc(cat->fpeList, cat->fpeAlloc * sizeof(FontPathElementPtr));
+	new = reallocarray(cat->fpeList, cat->fpeAlloc,
+			   sizeof(FontPathElementPtr));
 	if (new == NULL)
 	    return AllocError;
 
diff --git a/src/fontfile/fontdir.c b/src/fontfile/fontdir.c
index 2cc97b4..c07222f 100644
--- a/src/fontfile/fontdir.c
+++ b/src/fontfile/fontdir.c
@@ -185,7 +185,7 @@ FontFileAddEntry(FontTablePtr table, FontEntryPtr prototype)
 	       directory that we should just give up before we overflow. */
 	    return NULL;
 	newsize = table->size + 100;
-	entry = realloc(table->entries, newsize * sizeof(FontEntryRec));
+	entry = reallocarray(table->entries, newsize, sizeof(FontEntryRec));
 	if (!entry)
 	    return (FontEntryPtr)0;
 	table->size = newsize;
diff --git a/src/fontfile/fontscale.c b/src/fontfile/fontscale.c
index bbc8e10..7fcaba8 100644
--- a/src/fontfile/fontscale.c
+++ b/src/fontfile/fontscale.c
@@ -32,6 +32,7 @@ in this Software without prior written authorization from The Open Group.
 #include <config.h>
 #endif
 #include "libxfontint.h"
+#include "src/util/replace.h"
 #include    <X11/fonts/fntfilst.h>
 #include <math.h>
 
@@ -49,7 +50,7 @@ FontFileAddScaledInstance (FontEntryPtr entry, FontScalablePtr vals,
     if (extra->numScaled == extra->sizeScaled)
     {
 	newsize = extra->sizeScaled + 4;
-	new = realloc (extra->scaled, newsize * sizeof (FontScaledRec));
+	new = reallocarray (extra->scaled, newsize, sizeof (FontScaledRec));
 	if (!new)
 	    return FALSE;
 	extra->sizeScaled = newsize;
diff --git a/src/fontfile/renderers.c b/src/fontfile/renderers.c
index d0c4064..a457fb7 100644
--- a/src/fontfile/renderers.c
+++ b/src/fontfile/renderers.c
@@ -32,6 +32,7 @@ in this Software without prior written authorization from The Open Group.
 #include <config.h>
 #endif
 #include "libxfontint.h"
+#include "src/util/replace.h"
 #include <X11/fonts/fntfilst.h>
 
 static FontRenderersRec	renderers;
@@ -80,7 +81,7 @@ FontFilePriorityRegisterRenderer (FontRendererPtr renderer, int priority)
     }
 
     if(i >= renderers.number) {
-        new = realloc (renderers.renderers, sizeof(*new) * (i + 1));
+        new = reallocarray (renderers.renderers, i + 1, sizeof(*new));
         if (!new)
             return FALSE;
         renderers.renderers = new;
diff --git a/src/stubs/atom.c b/src/stubs/atom.c
index 82c8ca3..804a4de 100644
--- a/src/stubs/atom.c
+++ b/src/stubs/atom.c
@@ -34,6 +34,7 @@
 #include <config.h>
 #endif
 #include "libxfontint.h"
+#include "src/util/replace.h"
 #include <X11/fonts/fontmisc.h>
 
 typedef struct _AtomList {
@@ -122,7 +123,7 @@ ResizeReverseMap(void)
         newMapSize = 1000;
     else
         newMapSize = reverseMapSize * 2;
-    newMap = realloc(reverseMap, newMapSize * sizeof(AtomListPtr));
+    newMap = reallocarray(reverseMap, newMapSize, sizeof(AtomListPtr));
     if (newMap == NULL) {
         fprintf(stderr, "ResizeReverseMap(): Error: Couldn't reallocate"
                 " reverseMap (%ld)\n",
diff --git a/src/util/fontnames.c b/src/util/fontnames.c
index b292480..4460728 100644
--- a/src/util/fontnames.c
+++ b/src/util/fontnames.c
@@ -35,6 +35,7 @@ from The Open Group.
 #include <config.h>
 #endif
 #include "libxfontint.h"
+#include "src/util/replace.h"
 #include	<X11/fonts/fontmisc.h>
 #include	<X11/fonts/fontstruct.h>
 
@@ -100,8 +101,8 @@ xfont2_add_font_names_name(FontNamesPtr names,
 
 	if (size == 0)
 	    size = 8;
-	nlength = realloc(names->length, size * sizeof(int));
-	nnames = realloc(names->names, size * sizeof(char *));
+	nlength = reallocarray(names->length, size, sizeof(int));
+	nnames = reallocarray(names->names, size, sizeof(char *));
 	if (nlength && nnames) {
 	    names->size = size;
 	    names->length = nlength;
diff --git a/src/util/fontutil.c b/src/util/fontutil.c
index d1b845b..f7ac507 100644
--- a/src/util/fontutil.c
+++ b/src/util/fontutil.c
@@ -34,6 +34,7 @@ from The Open Group.
 #include <config.h>
 #endif
 #include "libxfontint.h"
+#include "src/util/replace.h"
 #include    <X11/fonts/fontmisc.h>
 #include    <X11/fonts/fontstruct.h>
 #include    <X11/fonts/FSproto.h>
@@ -307,8 +308,8 @@ add_range(fsRange *newrange,
 	}
 	else if (!(*nranges % range_alloc_granularity))
 	{
-	    *range = realloc(*range, (*nranges + range_alloc_granularity) *
-				      SIZEOF(fsRange));
+	    *range = reallocarray(*range, (*nranges + range_alloc_granularity),
+				  SIZEOF(fsRange));
 	}
 
 	/* If alloc failed, just return a null list */
diff --git a/src/util/private.c b/src/util/private.c
index 92075c2..47c2699 100644
--- a/src/util/private.c
+++ b/src/util/private.c
@@ -32,6 +32,7 @@ in this Software without prior written authorization from The Open Group.
 #include <config.h>
 #endif
 #include "libxfontint.h"
+#include "src/util/replace.h"
 #include    <X11/fonts/fontmisc.h>
 #include    <X11/fonts/fontstruct.h>
 
@@ -84,7 +85,7 @@ xfont2_font_set_private(FontPtr pFont, int n, pointer ptr)
 
     if (n > pFont->maxPrivate) {
 	if (pFont->devPrivates && pFont->devPrivates != (pointer)(&pFont[1])) {
-	    new = realloc (pFont->devPrivates, (n + 1) * sizeof (pointer));
+	    new = reallocarray (pFont->devPrivates, (n + 1), sizeof (pointer));
 	    if (!new)
 		return FALSE;
 	} else {