1 files changed, 170 insertions, 0 deletions
diff --git a/gdb/common/common-utils.c b/gdb/common/common-utils.c
new file mode 100644
index 0000000..198b21c
--- /dev/null
+++ b/gdb/common/common-utils.c
@@ -0,0 +1,170 @@
+/* Shared general utility routines for GDB, the GNU debugger.
+
+   Copyright (C) 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
+   1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
+   2009, 2010, 2011 Free Software Foundation, Inc.
+
+   This file is part of GDB.
+
+   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 3 of the License, 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, see <http://www.gnu.org/licenses/>.  */
+
+#ifdef GDBSERVER
+#include "server.h"
+#else
+#include "defs.h"
+#endif
+
+#include "gdb_assert.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+
+/* The xmalloc() (libiberty.h) family of memory management routines.
+
+   These are like the ISO-C malloc() family except that they implement
+   consistent semantics and guard against typical memory management
+   problems.  */
+
+/* NOTE: These are declared using PTR to ensure consistency with
+   "libiberty.h".  xfree() is GDB local.  */
+
+PTR                            /* ARI: PTR */
+xmalloc (size_t size)
+{
+  void *val;
+
+  /* See libiberty/xmalloc.c.  This function need's to match that's
+     semantics.  It never returns NULL.  */
+  if (size == 0)
+    size = 1;
+
+  val = malloc (size);         /* ARI: malloc */
+  if (val == NULL)
+    malloc_failure (size);
+
+  return val;
+}
+
+PTR                              /* ARI: PTR */
+xrealloc (PTR ptr, size_t size)          /* ARI: PTR */
+{
+  void *val;
+
+  /* See libiberty/xmalloc.c.  This function need's to match that's
+     semantics.  It never returns NULL.  */
+  if (size == 0)
+    size = 1;
+
+  if (ptr != NULL)
+    val = realloc (ptr, size);	/* ARI: realloc */
+  else
+    val = malloc (size);	        /* ARI: malloc */
+  if (val == NULL)
+    malloc_failure (size);
+
+  return val;
+}
+
+PTR                            /* ARI: PTR */           
+xcalloc (size_t number, size_t size)
+{
+  void *mem;
+
+  /* See libiberty/xmalloc.c.  This function need's to match that's
+     semantics.  It never returns NULL.  */
+  if (number == 0 || size == 0)
+    {
+      number = 1;
+      size = 1;
+    }
+
+  mem = calloc (number, size);      /* ARI: xcalloc */
+  if (mem == NULL)
+    malloc_failure (number * size);
+
+  return mem;
+}
+
+void *
+xzalloc (size_t size)
+{
+  return xcalloc (1, size);
+}
+
+void
+xfree (void *ptr)
+{
+  if (ptr != NULL)
+    free (ptr);		/* ARI: free */
+}
+
+/* Like asprintf/vasprintf but get an internal_error if the call
+   fails. */
+
+char *
+xstrprintf (const char *format, ...)
+{
+  char *ret;
+  va_list args;
+
+  va_start (args, format);
+  ret = xstrvprintf (format, args);
+  va_end (args);
+  return ret;
+}
+
+char *
+xstrvprintf (const char *format, va_list ap)
+{
+  char *ret = NULL;
+  int status = vasprintf (&ret, format, ap);
+
+  /* NULL is returned when there was a memory allocation problem, or
+     any other error (for instance, a bad format string).  A negative
+     status (the printed length) with a non-NULL buffer should never
+     happen, but just to be sure.  */
+  if (ret == NULL || status < 0)
+    internal_error (__FILE__, __LINE__, _("vasprintf call failed"));
+  return ret;
+}
+
+void
+xasprintf (char **ret, const char *format, ...)
+{
+  va_list args;
+
+  va_start (args, format);
+  (*ret) = xstrvprintf (format, args);
+  va_end (args);
+}
+
+void
+xvasprintf (char **ret, const char *format, va_list ap)
+{
+  (*ret) = xstrvprintf (format, ap);
+}
+
+int
+xsnprintf (char *str, size_t size, const char *format, ...)
+{
+  va_list args;
+  int ret;
+
+  va_start (args, format);
+  ret = vsnprintf (str, size, format, args);
+  gdb_assert (ret < size);
+  va_end (args);
+
+  return ret;
+}