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| Rev | Author | Line No. | Line |
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| 5220 | serge | 1 | /* |
| 2 | * Copyright (c) 1990 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 | |||
| 18 | /* |
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| 19 | FUNCTION |
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| 20 | < |
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| 21 | |||
| 22 | INDEX |
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| 23 | perror |
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| 24 | INDEX |
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| 25 | _perror_r |
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| 26 | |||
| 27 | ANSI_SYNOPSIS |
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| 28 | #include |
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| 29 | void perror(char *<[prefix]>); |
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| 30 | |||
| 31 | void _perror_r(struct _reent *<[reent]>, char *<[prefix]>); |
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| 32 | |||
| 33 | TRAD_SYNOPSIS |
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| 34 | #include |
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| 35 | void perror(<[prefix]>) |
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| 36 | char *<[prefix]>; |
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| 37 | |||
| 38 | void _perror_r(<[reent]>, <[prefix]>) |
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| 39 | struct _reent *<[reent]>; |
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| 40 | char *<[prefix]>; |
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| 41 | |||
| 42 | DESCRIPTION |
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| 43 | Use < |
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| 44 | corresponding to the current value of the global variable < |
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| 45 | Unless you use < |
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| 46 | error message will begin with the string at <[prefix]>, followed by a |
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| 47 | colon and a space (<<: >>). The remainder of the error message is one |
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| 48 | of the strings described for < |
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| 49 | |||
| 50 | The alternate function <<_perror_r>> is a reentrant version. The |
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| 51 | extra argument <[reent]> is a pointer to a reentrancy structure. |
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| 52 | |||
| 53 | RETURNS |
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| 54 | < |
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| 55 | |||
| 56 | PORTABILITY |
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| 57 | ANSI C requires < |
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| 58 | implementation to another. |
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| 59 | |||
| 60 | Supporting OS subroutines required: < |
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| 61 | < |
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| 62 | */ |
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| 63 | |||
| 64 | #include <_ansi.h> |
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| 65 | #include |
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| 66 | #include |
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| 67 | #include |
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| 68 | #include "local.h" |
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| 69 | |||
| 70 | _VOID |
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| 71 | _DEFUN(_perror_r, (ptr, s), |
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| 72 | struct _reent *ptr _AND |
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| 73 | _CONST char *s) |
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| 74 | { |
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| 75 | char *error; |
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| 76 | int dummy; |
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| 77 | |||
| 78 | _REENT_SMALL_CHECK_INIT (ptr); |
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| 79 | if (s != NULL && *s != '\0') |
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| 80 | { |
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| 81 | fputs (s, _stderr_r (ptr)); |
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| 82 | fputs (": ", _stderr_r (ptr)); |
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| 83 | } |
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| 84 | |||
| 85 | if ((error = _strerror_r (ptr, ptr->_errno, 1, &dummy)) != NULL) |
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| 86 | fputs (error, _stderr_r (ptr)); |
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| 87 | |||
| 88 | fputc ('\n', _stderr_r (ptr)); |
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| 89 | } |
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| 90 | |||
| 91 | #ifndef _REENT_ONLY |
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| 92 | |||
| 93 | _VOID |
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| 94 | _DEFUN(perror, (s), |
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| 95 | _CONST char *s) |
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| 96 | { |
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| 97 | _perror_r (_REENT, s); |
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| 98 | } |
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| 99 | |||
| 100 | #endif |