/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
-#include <unistd.h> /* Prototypes for sbrk (maybe) */
+#include <unistd.h> /* Prototypes for sbrk (maybe) */
-#include <string.h> /* Prototypes for memcpy, memmove, memset, etc */
+#include <string.h> /* Prototypes for memcpy, memmove, memset, etc */
#include "xbt.h"
#include "mmprivate.h"
-static void* sbrk_morecore (struct mdesc *mdp, int size);
+static void *sbrk_morecore(struct mdesc *mdp, int size);
#if NEED_DECLARATION_SBRK
-extern void* sbrk (int size);
+extern void *sbrk(int size);
#endif
-/* The mmalloc() package can use a single implicit malloc descriptor
- for mmalloc/mrealloc/mfree operations which do not supply an explicit
- descriptor. For these operations, sbrk() is used to obtain more core
- from the system, or return core. This allows mmalloc() to provide
- backwards compatibility with the non-mmap'd version. */
-
-struct mdesc *__mmalloc_default_mdp;
/* Use sbrk() to get more core. */
-static void*
-sbrk_morecore (mdp, size)
- struct mdesc *mdp;
- int size;
+static void *sbrk_morecore(mdp, size)
+struct mdesc *mdp;
+int size;
{
- void* result;
-
- if ((result = sbrk (size)) == (void*) -1)
- {
- result = NULL;
- }
- else
- {
- mdp -> breakval = (char*)mdp -> breakval + size;
- mdp -> top = (char*)mdp -> top + size;
- }
+ void *result;
+
+ if ((result = sbrk(size)) == (void *) -1) {
+ result = NULL;
+ } else {
+ mdp->breakval = (char *) mdp->breakval + size;
+ mdp->top = (char *) mdp->top + size;
+ }
return (result);
}
-
