gdb/common/common-utils.h

/* 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/>.  */

#ifndef COMMON_UTILS_H
#define COMMON_UTILS_H

#include "config.h"
#include "ansidecl.h"
#include <stddef.h>
#include <stdarg.h>

extern void malloc_failure (long size) ATTRIBUTE_NORETURN;
extern void internal_error (const char *file, int line, const char *, ...)
     ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 4);

/* xmalloc(), xrealloc() and xcalloc() have already been declared in
   "libiberty.h". */

/* Like xmalloc, but zero the memory.  */
void *xzalloc (size_t);

void xfree (void *);

/* Like asprintf and vasprintf, but return the string, throw an error
   if no memory.  */
char *xstrprintf (const char *format, ...) ATTRIBUTE_PRINTF (1, 2);
char *xstrvprintf (const char *format, va_list ap)
     ATTRIBUTE_PRINTF (1, 0);

/* Like asprintf/vasprintf but get an internal_error if the call
   fails.  */
void xasprintf (char **ret, const char *format, ...)
     ATTRIBUTE_PRINTF (2, 3);
void xvasprintf (char **ret, const char *format, va_list ap)
     ATTRIBUTE_PRINTF (2, 0);

/* Like snprintf, but throw an error if the output buffer is too small.  */
int xsnprintf (char *str, size_t size, const char *format, ...)
     ATTRIBUTE_PRINTF (3, 4);

#endif