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| Rev | Author | Line No. | Line |
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| 4349 | 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 | /* doc in sprintf.c */ |
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| 18 | /* This code created by modifying sprintf.c so copyright inherited. */ |
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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 | #ifdef _HAVE_STDC |
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| 24 | #include |
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| 25 | #else |
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| 26 | #include |
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| 27 | #endif |
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| 28 | #include |
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| 29 | #include |
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| 30 | #include "local.h" |
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| 31 | |||
| 32 | int |
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| 33 | #ifdef _HAVE_STDC |
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| 34 | _DEFUN(_snprintf_r, (ptr, str, size, fmt), |
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| 35 | struct _reent *ptr _AND |
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| 4921 | Serge | 36 | char *__restrict str _AND |
| 4349 | Serge | 37 | size_t size _AND |
| 4921 | Serge | 38 | _CONST char *__restrict fmt _DOTS) |
| 4349 | Serge | 39 | #else |
| 40 | _snprintf_r(ptr, str, size, fmt, va_alist) |
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| 41 | struct _reent *ptr; |
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| 42 | char *str; |
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| 43 | size_t size; |
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| 44 | _CONST char *fmt; |
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| 45 | va_dcl |
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| 46 | #endif |
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| 47 | { |
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| 48 | int ret; |
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| 49 | va_list ap; |
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| 50 | FILE f; |
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| 51 | |||
| 52 | if (size > INT_MAX) |
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| 53 | { |
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| 54 | ptr->_errno = EOVERFLOW; |
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| 55 | return EOF; |
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| 56 | } |
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| 57 | f._flags = __SWR | __SSTR; |
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| 58 | f._bf._base = f._p = (unsigned char *) str; |
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| 59 | f._bf._size = f._w = (size > 0 ? size - 1 : 0); |
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| 60 | f._file = -1; /* No file. */ |
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| 61 | #ifdef _HAVE_STDC |
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| 62 | va_start (ap, fmt); |
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| 63 | #else |
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| 64 | va_start (ap); |
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| 65 | #endif |
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| 66 | ret = _svfprintf_r (ptr, &f, fmt, ap); |
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| 67 | va_end (ap); |
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| 68 | if (ret < EOF) |
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| 69 | ptr->_errno = EOVERFLOW; |
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| 70 | if (size > 0) |
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| 71 | *f._p = 0; |
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| 72 | return (ret); |
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| 73 | } |
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| 74 | |||
| 75 | #ifndef _REENT_ONLY |
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| 76 | |||
| 77 | int |
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| 78 | #ifdef _HAVE_STDC |
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| 79 | _DEFUN(snprintf, (str, size, fmt), |
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| 4921 | Serge | 80 | char *__restrict str _AND |
| 4349 | Serge | 81 | size_t size _AND |
| 4921 | Serge | 82 | _CONST char *__restrict fmt _DOTS) |
| 4349 | Serge | 83 | #else |
| 84 | snprintf(str, size, fmt, va_alist) |
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| 85 | char *str; |
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| 86 | size_t size; |
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| 87 | _CONST char *fmt; |
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| 88 | va_dcl |
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| 89 | #endif |
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| 90 | { |
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| 91 | int ret; |
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| 92 | va_list ap; |
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| 93 | FILE f; |
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| 94 | struct _reent *ptr = _REENT; |
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| 95 | |||
| 96 | if (size > INT_MAX) |
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| 97 | { |
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| 98 | ptr->_errno = EOVERFLOW; |
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| 99 | return EOF; |
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| 100 | } |
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| 101 | f._flags = __SWR | __SSTR; |
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| 102 | f._bf._base = f._p = (unsigned char *) str; |
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| 103 | f._bf._size = f._w = (size > 0 ? size - 1 : 0); |
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| 104 | f._file = -1; /* No file. */ |
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| 105 | #ifdef _HAVE_STDC |
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| 106 | va_start (ap, fmt); |
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| 107 | #else |
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| 108 | va_start (ap); |
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| 109 | #endif |
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| 110 | ret = _svfprintf_r (ptr, &f, fmt, ap); |
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| 111 | va_end (ap); |
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| 112 | if (ret < EOF) |
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| 113 | ptr->_errno = EOVERFLOW; |
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| 114 | if (size > 0) |
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| 115 | *f._p = 0; |
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| 116 | return (ret); |
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| 117 | } |
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| 118 | |||
| 119 | #endif |