text: /*
   * xcommon.h -- Support function prototypes. Functions are in xcommon.c.
   *
   * 2006-06-06 Amit Gud <agud@redhat.com>
   * - Moved code snippets  from mount/sundries.h of util-linux
   *   and merged code from support/nfs/xmalloc.c by Olaf Kirch <okir@monad.swb.de> here.
   */
  
  #ifndef _XMALLOC_H
  #define _MALLOC_H
  
  #include <sys/types.h>
  #include <fcntl.h>
  #include <limits.h>
  #include <signal.h>
  #include <stdarg.h>
  #include <stdlib.h>
  #include <string.h>
  
  #define streq(s, t)	(strcmp ((s), (t)) == 0)
  
  /* Functions in sundries.c that are used in mount.c and umount.c  */ 
  char *canonicalize (const char *path);
  void nfs_error (const char *fmt, ...);
  void *xmalloc (size_t size);
  void *xrealloc(void *p, size_t size);
  void xfree(void *);
  char *xstrdup (const char *s);
  char *xstrndup (const char *s, int n);
  char *xstrconcat2 (const char *, const char *);
  char *xstrconcat3 (const char *, const char *, const char *);
  char *xstrconcat4 (const char *, const char *, const char *, const char *);
  void die (int errcode, const char *fmt, ...);
  
  extern void die(int err, const char *fmt, ...);
  extern void (*at_die)(void);
  
  /* exit status - bits below are ORed */
  #define EX_SUCCESS	0	/* no failure occurred */
  #define EX_USAGE	1	/* incorrect invocation or permission */
  #define EX_SYSERR	2	/* out of memory, cannot fork, ... */
  #define EX_SOFTWARE	4	/* internal mount bug or wrong version */
  #define EX_USER		8	/* user interrupt */
  #define EX_FILEIO      16	/* problems writing, locking, ... mtab/fstab */
  #define EX_FAIL	       32	/* mount failure */
  #define EX_SOMEOK      64	/* some mount succeeded */
  #define EX_BG         256       /* retry in background (internal only) */
  
  #endif /* XMALLOC_H */
  