92 lines
2.3 KiB
C
92 lines
2.3 KiB
C
/*
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* Copyright (c) 1990, 2007 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that the above copyright notice and this paragraph are
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* duplicated in all such forms and that any documentation,
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* advertising materials, and other materials related to such
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* distribution and use acknowledge that the software was developed
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* by the University of California, Berkeley. The name of the
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* University may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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/* This code was copied from sprintf.c */
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/* doc in sprintf.c */
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#include <_ansi.h>
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#include <reent.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <limits.h>
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#include "local.h"
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int
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_DEFUN(_asprintf_r, (ptr, strp, fmt),
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struct _reent *ptr _AND
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char **__restrict strp _AND
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const char *__restrict fmt _DOTS)
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{
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int ret;
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va_list ap;
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FILE f;
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/* mark a zero-length reallocatable buffer */
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f._flags = __SWR | __SSTR | __SMBF;
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f._bf._base = f._p = NULL;
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f._bf._size = f._w = 0;
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f._file = -1; /* No file. */
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va_start (ap, fmt);
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ret = _svfprintf_r (ptr, &f, fmt, ap);
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va_end (ap);
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if (ret >= 0)
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{
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*f._p = 0;
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*strp = (char *) f._bf._base;
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}
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return (ret);
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}
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#ifdef _NANO_FORMATTED_IO
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int
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_EXFUN(_asiprintf_r, (struct _reent *, char **, const char *, ...)
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_ATTRIBUTE ((__alias__("_asprintf_r"))));
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#endif
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#ifndef _REENT_ONLY
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int
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_DEFUN(asprintf, (strp, fmt),
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char **__restrict strp _AND
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const char *__restrict fmt _DOTS)
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{
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int ret;
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va_list ap;
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FILE f;
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/* mark a zero-length reallocatable buffer */
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f._flags = __SWR | __SSTR | __SMBF;
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f._bf._base = f._p = NULL;
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f._bf._size = f._w = 0;
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f._file = -1; /* No file. */
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va_start (ap, fmt);
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ret = _svfprintf_r (_REENT, &f, fmt, ap);
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va_end (ap);
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if (ret >= 0)
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{
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*f._p = 0;
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*strp = (char *) f._bf._base;
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}
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return (ret);
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}
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#ifdef _NANO_FORMATTED_IO
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int
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_EXFUN(asiprintf, (char **, const char *, ...)
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_ATTRIBUTE ((__alias__("asprintf"))));
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#endif
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#endif /* ! _REENT_ONLY */
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