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  1. /*
  2.  * Copyright (c) 1990, 2007 The Regents of the University of California.
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms are permitted
  6.  * provided that the above copyright notice and this paragraph are
  7.  * duplicated in all such forms and that any documentation,
  8.  * advertising materials, and other materials related to such
  9.  * distribution and use acknowledge that the software was developed
  10.  * by the University of California, Berkeley.  The name of the
  11.  * University may not be used to endorse or promote products derived
  12.  * from this software without specific prior written permission.
  13.  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
  14.  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  15.  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  16.  */
  17. /* This code was based on vsprintf.c */
  18. /* doc in vfprintf.c */
  19.  
  20. #if defined(LIBC_SCCS) && !defined(lint)
  21. static char sccsid[] = "%W% (Berkeley) %G%";
  22. #endif /* LIBC_SCCS and not lint */
  23.  
  24. #include <_ansi.h>
  25. #include <stdio.h>
  26. #include <limits.h>
  27. #include <stdarg.h>
  28.  
  29. #include "local.h"
  30.  
  31. #ifndef _REENT_ONLY
  32.  
  33. int
  34. _DEFUN(vasprintf, (strp, fmt, ap),
  35.        char **strp      _AND
  36.        const char *fmt _AND
  37.        va_list ap)
  38. {
  39.   return _vasprintf_r (_REENT, strp, fmt, ap);
  40. }
  41.  
  42. #ifdef _NANO_FORMATTED_IO
  43. int
  44. _EXFUN(vasiprintf, (char **, const char *, __VALIST)
  45.        _ATTRIBUTE ((__alias__("vasprintf"))));
  46. #endif
  47.  
  48. #endif /* !_REENT_ONLY */
  49.  
  50. int
  51. _DEFUN(_vasprintf_r, (ptr, strp, fmt, ap),
  52.        struct _reent *ptr _AND
  53.        char **strp        _AND
  54.        const char *fmt   _AND
  55.        va_list ap)
  56. {
  57.   int ret;
  58.   FILE f;
  59.  
  60.   f._flags = __SWR | __SSTR | __SMBF ;
  61.   f._bf._base = f._p = NULL;
  62.   f._bf._size = f._w = 0;
  63.   f._file = -1;  /* No file. */
  64.   ret = _svfprintf_r (ptr, &f, fmt, ap);
  65.   if (ret >= 0)
  66.     {
  67.       *f._p = 0;
  68.       *strp = (char *) f._bf._base;
  69.     }
  70.   return ret;
  71. }
  72.  
  73. #ifdef _NANO_FORMATTED_IO
  74. int
  75. _EXFUN(_vasiprintf_r, (struct _reent *, char **, const char *, __VALIST)
  76.        _ATTRIBUTE ((__alias__("_vasprintf_r"))));
  77. #endif
  78.