Added xrealloc

git-svn-id: svn://svn.cc65.org/cc65/trunk@677 b7a2c559-68d2-44c3-8de9-860c34a00d81

src/common/xmalloc.c

@@ -6,7 +6,7 @@
 /*					    				     */
 /*					    				     */
 /*					    				     */
-/* (C) 2000	Ullrich von Bassewitz	    				     */
+/* (C) 2000-2001 Ullrich von Bassewitz	    				     */
 /*	   	 Wacholderweg 14					     */
 /*	   	 D-70597 Stuttgart					     */
 /* EMail:  	 uz@musoftware.de					     */
@@ -64,6 +64,23 @@ void* xmalloc (size_t Size)
 
 
 
+void* xrealloc (void* P, size_t Size)
+/* Reallocate a memory block, check for out of memory */
+{
+    /* Reallocate the block */
+    void* N = realloc (P, Size);
+
+    /* Check for errors */
+    if (N == 0 && Size != 0) {
+       	AbEnd ("Out of memory in realloc - requested block size = %lu", (unsigned long) Size);
+    }
+
+    /* Return the pointer to the new block */
+    return N;
+}
+
+
+
 void xfree (const void* Block)
 /* Free the block, do some debugging */
 {

src/common/xmalloc.h

@@ -51,6 +51,9 @@
 void* xmalloc (size_t Size);
 /* Allocate memory, check for out of memory condition. Do some debugging */
 
+void* xrealloc (void* P, size_t Size);
+/* Reallocate a memory block, check for out of memory */
+
 void xfree (const void* Block);
 /* Free the block, do some debugging */