+++ /dev/null
-/* -*-c-*-
- *
- * Memory allocation functions
- *
- * (c) 1998 Straylight/Edgeware
- */
-
-/*----- Licensing notice --------------------------------------------------*
- *
- * This file is part of the mLib utilities library.
- *
- * mLib is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Library General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * mLib is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with mLib; if not, write to the Free
- * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- */
-
-/*----- Header files ------------------------------------------------------*/
-
-/* --- ANSI headers --- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-/* --- Local headers --- */
-
-#include "alloc.h"
-#include "arena.h"
-#include "exc.h"
-
-/*----- Functions and macros ----------------------------------------------*/
-
-/* --- @x_alloc@ --- *
- *
- * Arguments: @arena *a@ = pointer to underlying arena
- * @size_t sz@ = size of block to allocate
- *
- * Returns: Pointer to allocated block.
- *
- * Use: Allocates memory. If there's not enough memory, the
- * exception @EXC_NOMEM@ is thrown.
- */
-
-void *x_alloc(arena *a, size_t sz)
-{
- void *p = A_ALLOC(a, sz);
- if (!p)
- THROW(EXC_NOMEM);
- return (p);
-}
-
-/* --- @x_strdup@ --- *
- *
- * Arguments: @arena *a@ = pointer to underlying arena
- * @const char *s@ = pointer to a string
- *
- * Returns: Pointer to a copy of the string.
- *
- * Use: Copies a string (like @strdup@ would, if it existed). If
- * there's not enough memory, the exception @EXC_NOMEM@ is
- * thrown.
- */
-
-char *x_strdup(arena *a, const char *s)
-{
- size_t sz = strlen(s) + 1;
- char *p = x_alloc(a, sz);
- memcpy(p, s, sz);
- return (p);
-}
-
-/* --- @x_realloc@ --- *
- *
- * Arguments: @arena *a@ = pointer to underlying arena
- * @void *p@ = pointer to a block of memory
- * @size_t sz@ = new size desired for the block
- * @size_t osz@ = size of the old block
- *
- * Returns: Pointer to the resized memory block (which is almost
- * certainly not in the same place any more).
- *
- * Use: Resizes a memory block. If there's not enough memory, the
- * exception @EXC_NOMEM@ is thrown.
- */
-
-void *x_realloc(arena *a, void *p, size_t sz, size_t osz)
-{
- p = A_REALLOC(a, p, sz, osz);
- if (!p)
- THROW(EXC_NOMEM);
- return (p);
-}
-
-/* --- @x_free@ --- *
- *
- * Arguments: @arena *a@ = pointer to underlying arena
- * @void *p@ = pointer to a block of memory.
- *
- * Returns: ---
- *
- * Use: Frees a block of memory.
- */
-
-void (x_free)(arena *a, void *p) { x_free(a, p); }
-
-/*----- Old functions for the standard arena ------------------------------*/
-
-/* --- @xmalloc@ --- *
- *
- * Arguments: @size_t sz@ = size of block to allocate
- *
- * Returns: Pointer to allocated block.
- *
- * Use: Allocates memory. If there's not enough memory, the
- * exception @EXC_NOMEM@ is thrown.
- */
-
-void *(xmalloc)(size_t sz) { return xmalloc(sz); }
-
-/* --- @xstrdup@ --- *
- *
- * Arguments: @const char *s@ = pointer to a string
- *
- * Returns: Pointer to a copy of the string.
- *
- * Use: Copies a string (like @strdup@ would, if it existed). If
- * there's not enough memory, the exception @EXC_NOMEM@ is
- * thrown.
- */
-
-char *(xstrdup)(const char *s) { return xstrdup(s); }
-
-/* --- @xrealloc@ --- *
- *
- * Arguments: @void *p@ = pointer to a block of memory
- * @size_t sz@ = new size desired for the block
- * @size_t osz@ = size of the old block
- *
- * Returns: Pointer to the resized memory block (which is almost
- * certainly not in the same place any more).
- *
- * Use: Resizes a memory block. If there's not enough memory, the
- * exception @EXC_NOMEM@ is thrown.
- */
-
-void *(xrealloc)(void *p, size_t sz, size_t osz)
-{ return xrealloc(p, sz, osz); }
-
-/* --- @xfree@ --- *
- *
- * Arguments: @void *p@ = pointer to a block of memory.
- *
- * Returns: ---
- *
- * Use: Frees a block of memory.
- */
-
-void (xfree)(void *p) { xfree(p); }
-
-/*----- That's all, folks -------------------------------------------------*/