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| 4921 | Serge | 1 | /* |
| 2 | * Copyright (c) 1990, 2007 The Regents of the University of California. |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms are permitted |
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| 6 | * provided that the above copyright notice and this paragraph are |
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| 7 | * duplicated in all such forms and that any documentation, |
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| 8 | * advertising materials, and other materials related to such |
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| 9 | * distribution and use acknowledge that the software was developed |
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| 10 | * by the University of California, Berkeley. The name of the |
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| 11 | * University may not be used to endorse or promote products derived |
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| 12 | * from this software without specific prior written permission. |
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| 13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR |
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| 14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED |
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| 15 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
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| 16 | */ |
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| 17 | /* This code was copied from sprintf.c */ |
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| 18 | /* doc in sprintf.c */ |
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| 19 | |||
| 20 | #include <_ansi.h> |
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| 21 | #include |
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| 22 | #include |
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| 23 | #include |
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| 24 | #include |
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| 25 | #include "local.h" |
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| 26 | |||
| 27 | int |
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| 28 | _DEFUN(_asprintf_r, (ptr, strp, fmt), |
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| 29 | struct _reent *ptr _AND |
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| 30 | char **__restrict strp _AND |
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| 31 | const char *__restrict fmt _DOTS) |
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| 32 | { |
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| 33 | int ret; |
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| 34 | va_list ap; |
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| 35 | FILE f; |
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| 36 | |||
| 37 | /* mark a zero-length reallocatable buffer */ |
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| 38 | f._flags = __SWR | __SSTR | __SMBF; |
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| 39 | f._bf._base = f._p = NULL; |
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| 40 | f._bf._size = f._w = 0; |
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| 41 | f._file = -1; /* No file. */ |
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| 42 | va_start (ap, fmt); |
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| 43 | ret = _svfprintf_r (ptr, &f, fmt, ap); |
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| 44 | va_end (ap); |
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| 45 | if (ret >= 0) |
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| 46 | { |
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| 47 | *f._p = 0; |
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| 48 | *strp = (char *) f._bf._base; |
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| 49 | } |
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| 50 | return (ret); |
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| 51 | } |
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| 52 | |||
| 53 | #ifndef _REENT_ONLY |
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| 54 | |||
| 55 | int |
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| 56 | _DEFUN(asprintf, (strp, fmt), |
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| 57 | char **__restrict strp _AND |
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| 58 | const char *__restrict fmt _DOTS) |
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| 59 | { |
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| 60 | int ret; |
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| 61 | va_list ap; |
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| 62 | FILE f; |
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| 63 | |||
| 64 | /* mark a zero-length reallocatable buffer */ |
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| 65 | f._flags = __SWR | __SSTR | __SMBF; |
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| 66 | f._bf._base = f._p = NULL; |
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| 67 | f._bf._size = f._w = 0; |
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| 68 | f._file = -1; /* No file. */ |
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| 69 | va_start (ap, fmt); |
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| 70 | ret = _svfprintf_r (_REENT, &f, fmt, ap); |
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| 71 | va_end (ap); |
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| 72 | if (ret >= 0) |
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| 73 | { |
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| 74 | *f._p = 0; |
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| 75 | *strp = (char *) f._bf._base; |
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| 76 | } |
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| 77 | return (ret); |
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| 78 | } |
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| 79 | |||
| 80 | #endif /* ! _REENT_ONLY */ |