Merge branch 'u2_10_12_branch' of git://git.code.sf.net/p/undernet-ircu/ircu2

[ircu2.10.12-pk.git] / ircd / ircd_alloc.c

diff --git a/ircd/ircd_alloc.c b/ircd/ircd_alloc.c
new file mode 100644 (file)
index 0000000..1fc87fa
--- /dev/null
+++ b/ircd/ircd_alloc.c
@@ -0,0 +1,105 @@
+/************************************************************************
+ *   IRC - Internet Relay Chat, ircd/ircd_alloc.c
+ *   Copyright (C) 1999 Thomas Helvey (BleepSoft)
+ *
+ *   See file AUTHORS in IRC package for additional names of
+ *   the programmers.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 1, or (at your option)
+ *   any later version.
+ *
+ *   This program 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 a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+/** @file
+ * @brief IRC daemon memory allocation functions.
+ * @version $Id$
+ */
+#include "config.h"
+
+#include "ircd_alloc.h"
+#include "ircd_log.h"
+#include "ircd_string.h"
+#include "s_debug.h"
+
+/* #include <assert.h> -- Now using assert in ircd_log.h */
+#include <string.h>
+
+static void nomem_handler(void);
+
+/** Variable holding out-of-memory callback. */
+static OutOfMemoryHandler noMemHandler = nomem_handler;
+
+/** Default handler for out-of-memory conditions. */
+static void
+nomem_handler(void)
+{
+#ifdef MDEBUG
+  assert(0);
+#else
+  Debug((DEBUG_FATAL, "Out of memory, exiting"));
+  exit(2);
+#endif
+}
+
+/** Set callback function for out-of-memory conditions. */
+void
+set_nomem_handler(OutOfMemoryHandler handler)
+{
+  noMemHandler = handler;
+}
+
+#ifndef MDEBUG
+/** Allocate memory.
+ * @param[in] size Number of bytes to allocate.
+ * @param[in] x Type of allocation (ignored).
+ * @param[in] y Name of file doing allocation (ignored).
+ * @param[in] z Line number doing allocation (ignored).
+ * @return Newly allocated block of memory.
+ */
+void* DoMalloc(size_t size, const char* x, const char* y, int z)
+{
+  void* t = malloc(size);
+  if (!t)
+    (*noMemHandler)();
+  return t;
+}
+
+/** Allocate zero-initialized memory.
+ * @param[in] size Number of bytes to allocate.
+ * @param[in] x Type of allocation (ignored).
+ * @param[in] y Name of file doing allocation (ignored).
+ * @param[in] z Line number doing allocation (ignored).
+ * @return Newly allocated block of memory.
+ */
+void* DoMallocZero(size_t size, const char* x, const char* y, int z)
+{
+  void* t = malloc(size);
+  if (!t)
+    (*noMemHandler)();
+  memset(t, 0, size);
+  return t;
+}
+
+/** Resize an allocated block of memory.
+ * @param[in] orig Original block to resize.
+ * @param[in] size Minimum size for new block.
+ * @param[in] file Name of file doing reallocation (ignored).
+ * @param[in] line Line number doing reallocation (ignored).
+ */
+void* DoRealloc(void *orig, size_t size, const char *file, int line)
+{
+  void* t = realloc(orig, size);
+  if (!t)
+    (*noMemHandler)();
+  return t;
+}
+#endif