Add Chromium-only Blender WebEngine parity work

blender-5.2.0/extern/gmp-source/memory.c

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+/* Memory allocation routines.
+
+Copyright 1991, 1993, 1994, 2000-2002, 2012 Free Software Foundation, Inc.
+
+This file is part of the GNU MP Library.
+
+The GNU MP Library is free software; you can redistribute it and/or modify
+it under the terms of either:
+
+  * the GNU Lesser General Public License as published by the Free
+    Software Foundation; either version 3 of the License, or (at your
+    option) any later version.
+
+or
+
+  * the GNU General Public License as published by the Free Software
+    Foundation; either version 2 of the License, or (at your option) any
+    later version.
+
+or both in parallel, as here.
+
+The GNU MP Library 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 General Public License
+for more details.
+
+You should have received copies of the GNU General Public License and the
+GNU Lesser General Public License along with the GNU MP Library.  If not,
+see https://www.gnu.org/licenses/.  */
+
+#include <stdio.h>
+#include <stdlib.h> /* for malloc, realloc, free */
+
+#include "gmp-impl.h"
+
+
+void * (*__gmp_allocate_func) (size_t) = __gmp_default_allocate;
+void * (*__gmp_reallocate_func) (void *, size_t, size_t) = __gmp_default_reallocate;
+void   (*__gmp_free_func) (void *, size_t) = __gmp_default_free;
+
+
+/* Default allocation functions.  In case of failure to allocate/reallocate
+   an error message is written to stderr and the program aborts.  */
+
+void *
+__gmp_default_allocate (size_t size)
+{
+  void *ret;
+#ifdef DEBUG
+  size_t req_size = size;
+  size += 2 * GMP_LIMB_BYTES;
+#endif
+  ret = malloc (size);
+  if (ret == 0)
+    {
+      fprintf (stderr, "GNU MP: Cannot allocate memory (size=%lu)\n", (long) size);
+      abort ();
+    }
+
+#ifdef DEBUG
+  {
+    mp_ptr p = ret;
+    p++;
+    p[-1] = (0xdeadbeef << 31) + 0xdeafdeed;
+    if (req_size % GMP_LIMB_BYTES == 0)
+      p[req_size / GMP_LIMB_BYTES] = ~((0xdeadbeef << 31) + 0xdeafdeed);
+    ret = p;
+  }
+#endif
+  return ret;
+}
+
+void *
+__gmp_default_reallocate (void *oldptr, size_t old_size, size_t new_size)
+{
+  void *ret;
+
+#ifdef DEBUG
+  size_t req_size = new_size;
+
+  if (old_size != 0)
+    {
+      mp_ptr p = oldptr;
+      if (p[-1] != (0xdeadbeef << 31) + 0xdeafdeed)
+	{
+	  fprintf (stderr, "gmp: (realloc) data clobbered before allocation block\n");
+	  abort ();
+	}
+      if (old_size % GMP_LIMB_BYTES == 0)
+	if (p[old_size / GMP_LIMB_BYTES] != ~((0xdeadbeef << 31) + 0xdeafdeed))
+	  {
+	    fprintf (stderr, "gmp: (realloc) data clobbered after allocation block\n");
+	    abort ();
+	  }
+      oldptr = p - 1;
+    }
+
+  new_size += 2 * GMP_LIMB_BYTES;
+#endif
+
+  ret = realloc (oldptr, new_size);
+  if (ret == 0)
+    {
+      fprintf (stderr, "GNU MP: Cannot reallocate memory (old_size=%lu new_size=%lu)\n", (long) old_size, (long) new_size);
+      abort ();
+    }
+
+#ifdef DEBUG
+  {
+    mp_ptr p = ret;
+    p++;
+    p[-1] = (0xdeadbeef << 31) + 0xdeafdeed;
+    if (req_size % GMP_LIMB_BYTES == 0)
+      p[req_size / GMP_LIMB_BYTES] = ~((0xdeadbeef << 31) + 0xdeafdeed);
+    ret = p;
+  }
+#endif
+  return ret;
+}
+
+void
+__gmp_default_free (void *blk_ptr, size_t blk_size)
+{
+#ifdef DEBUG
+  {
+    mp_ptr p = blk_ptr;
+    if (blk_size != 0)
+      {
+	if (p[-1] != (0xdeadbeef << 31) + 0xdeafdeed)
+	  {
+	    fprintf (stderr, "gmp: (free) data clobbered before allocation block\n");
+	    abort ();
+	  }
+	if (blk_size % GMP_LIMB_BYTES == 0)
+	  if (p[blk_size / GMP_LIMB_BYTES] != ~((0xdeadbeef << 31) + 0xdeafdeed))
+	    {
+	      fprintf (stderr, "gmp: (free) data clobbered after allocation block\n");
+	      abort ();
+	    }
+      }
+    blk_ptr = p - 1;
+  }
+#endif
+  free (blk_ptr);
+}