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/* $OpenBSD: vasprintf.c,v 1.13 2006/01/06 18:53:04 millert Exp $ */
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* Copyright (c) 1997 Todd C. Miller <Todd.Miller@courtesan.com>
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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vasprintf(char **str, const char *fmt, __va_list ap)
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struct __sfileext fext;
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_FILEEXT_SETUP(&f, &fext);
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f._flags = __SWR | __SSTR | __SALC;
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f._bf._base = f._p = (unsigned char *)malloc(128);
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if (f._bf._base == NULL)
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f._bf._size = f._w = 127; /* Leave room for the NUL */
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ret = __vfprintf(&f, fmt, ap);
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_base = realloc(f._bf._base, ret + 1);