Adopt use of gnulib for portability.

[pspp-builds.git] / src / alloc.c

diff --git a/src/alloc.c b/src/alloc.c
index 8d1e39a633e78a967a1315b6c799e72afd33bd22..015d3397c19f28bd511bfe51307ff25a366ebfc3 100644 (file)
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -23,105 +23,10 @@
 #include <stdlib.h>
 #include "error.h"
 #include "str.h"
-\f
-/* Public functions. */
-
-/* Allocates a block of SIZE bytes and returns it.
-   If SIZE is 0, returns a null pointer.
-   Aborts if unsuccessful. */
-void *
-xmalloc (size_t size)
-{
-  void *vp;
-  if (size == 0)
-    return NULL;
-
-  vp = malloc (size);
-  if (!vp)
-    out_of_memory ();
-
-  return vp;
-}
-
-
-/* Allocates a continous block of N_MEMB by SIZE elements, with all
-   bits set to 0.
-   Aborts if unsuccessful.
-*/
-void *
-xcalloc (size_t n_memb, size_t size)
-{
-  const size_t prod = size * n_memb; 
-  void *vp = 0;
-
-  if (prod == 0)
-    return NULL;
-
-  /* Trap overflow errors */
-  assert ( prod >= size );
-  assert ( prod >= n_memb ) ;
-
-  vp = xmalloc ( prod );
-  memset (vp, 0, prod);
-  return vp;
-}
-
-
-
-/* If SIZE is 0, then block PTR is freed and a null pointer is
-   returned.
-   Otherwise, if PTR is a null pointer, then a new block is allocated
-   and returned.
-   Otherwise, block PTR is reallocated to be SIZE bytes in size and
-   the new location of the block is returned.
-   Aborts if unsuccessful. */
-void *
-xrealloc (void *ptr, size_t size)
-{
-  void *vp;
-  if (!size)
-    {
-      if (ptr)
-       free (ptr);
-
-      return NULL;
-    }
-
-  if (ptr)
-    vp = realloc (ptr, size);
-  else
-    vp = malloc (size);
-
-  if (!vp)
-    out_of_memory ();
-
-  return vp;
-}
-
-/* Makes a copy of string S in malloc()'d memory and returns the copy.
-   S must not be a null pointer. */
-char *
-xstrdup (const char *s)
-{
-  size_t size;
-  char *t;
-
-  assert (s != NULL);
-
-  size = strlen (s) + 1;
-
-  t = malloc (size);
-  if (!t)
-    out_of_memory ();
-
-  memcpy (t, s, size);
-  return t;
-}
 
 /* Report an out-of-memory condition and abort execution. */
 void
 out_of_memory (void)
 {
-  fprintf (stderr, "virtual memory exhausted\n");
-  exit (EXIT_FAILURE);
+  xalloc_die ();
 }