Mercurial > ecos
annotate packages/error/current/src/strerror.cxx @ 64:c38311975d4f ecos-sw-2000-01-28
Merge from eCos master repository on 2000-01-28-04:28:11-GMT
| author | jlarmour |
|---|---|
| date | Fri, 28 Jan 2000 04:59:39 +0000 |
| parents | 443894e2e912 |
| children | bf00f99aec69 |
| rev | line source |
|---|---|
| 0 | 1 //=========================================================================== |
| 2 // | |
| 3 // strerror.cxx | |
| 4 // | |
| 5 // ANSI error code string routine | |
| 6 // | |
| 7 //=========================================================================== | |
| 8 //####COPYRIGHTBEGIN#### | |
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9 // |
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10 // ------------------------------------------- |
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11 // The contents of this file are subject to the Red Hat eCos Public License |
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12 // Version 1.0 (the "License"); you may not use this file except in |
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13 // compliance with the License. You may obtain a copy of the License at |
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14 // http://sourceware.cygnus.com/ecos |
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15 // |
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16 // Software distributed under the License is distributed on an |
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the |
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18 // License for the specific language governing rights and limitations under |
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19 // the License. |
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20 // |
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21 // The Original Code is eCos - Embedded Configurable Operating System, |
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22 // released September 30, 1998. |
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23 // |
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24 // The Initial Developer of the Original Code is Red Hat. |
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25 // Portions created by Red Hat are |
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26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc. |
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27 // All Rights Reserved. |
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28 // ------------------------------------------- |
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29 // |
| 0 | 30 //####COPYRIGHTEND#### |
| 31 //=========================================================================== | |
| 32 //#####DESCRIPTIONBEGIN#### | |
| 33 // | |
| 2 | 34 // Author(s): jlarmour |
| 35 // Contributors: jlarmour | |
| 36 // Date: 1998-06-11 | |
| 37 // Purpose: To provide the strerror() implementation | |
| 38 // Description: This implements strerror() as described in ANSI chap 7.11.6.2 | |
| 39 // Usage: See <cyg/error/codes.h> | |
| 0 | 40 // |
| 41 //####DESCRIPTIONEND#### | |
| 42 // | |
| 43 //=========================================================================== | |
| 44 | |
| 45 | |
| 46 // CONFIGURATION | |
| 47 | |
| 48 #include <pkgconf/error.h> // Configuration header | |
| 49 | |
| 50 // Include the C library? | |
| 51 #ifdef CYGPKG_ERROR | |
| 52 | |
| 53 // INCLUDES | |
| 54 | |
| 55 #include <cyg/infra/cyg_type.h> // Common project-wide type definitions | |
| 56 #include <cyg/infra/cyg_trac.h> // Tracing support | |
| 57 #include <cyg/error/codes.h> // Error code definitions and header for this | |
| 58 // file | |
| 59 | |
| 60 // EXPORTED SYMBOLS | |
| 61 | |
| 62 externC char * | |
| 63 strerror( int errnum ) __attribute__ ((weak, alias("_strerror") )); | |
| 64 | |
| 65 // FUNCTIONS | |
| 66 | |
| 67 externC char * | |
| 68 _strerror( int errnum ) | |
| 69 { | |
| 70 register char *s; | |
| 71 | |
| 72 CYG_REPORT_FUNCNAMETYPE( "_strerror", "String form of error is \"%s\"" ); | |
| 73 | |
| 74 switch (errnum) | |
| 75 { | |
| 76 | |
| 77 #ifdef ENOERR | |
| 78 case ENOERR: | |
| 79 s = "No error"; | |
| 80 break; | |
| 81 #endif | |
| 82 | |
| 83 #ifdef EPERM | |
| 84 case EPERM: | |
| 85 s = "Not permitted"; | |
| 86 break; | |
| 87 #endif | |
| 88 | |
| 89 #ifdef ENOENT | |
| 90 case ENOENT: | |
| 91 s = "No such entity"; | |
| 92 break; | |
| 93 #endif | |
| 94 | |
| 95 #ifdef ESRCH | |
| 96 case ESRCH: | |
| 97 s = "No such process"; | |
| 98 break; | |
| 99 #endif | |
| 100 | |
| 101 #ifdef EINTR | |
| 102 case EINTR: | |
| 103 s = "Operation interrupted"; | |
| 104 break; | |
| 105 #endif | |
| 106 | |
| 107 #ifdef EIO | |
| 108 case EIO: | |
| 109 s = "I/O error"; | |
| 110 break; | |
| 111 #endif | |
| 112 | |
| 113 #ifdef EBADF | |
| 114 case EBADF: | |
| 115 s = "Bad file handle"; | |
| 116 break; | |
| 117 #endif | |
| 118 | |
| 119 #ifdef EAGAIN | |
| 120 case EAGAIN: | |
| 121 s = "Try again later"; | |
| 122 break; | |
| 123 #endif | |
| 124 | |
| 125 #ifdef ENOMEM | |
| 126 case ENOMEM: | |
| 127 s = "Out of memory"; | |
| 128 break; | |
| 129 #endif | |
| 130 | |
| 131 #ifdef EBUSY | |
| 132 case EBUSY: | |
| 133 s = "Resource busy"; | |
| 134 break; | |
| 135 #endif | |
| 136 | |
| 137 #ifdef ENODEV | |
| 138 case ENODEV: | |
| 139 s = "No such device"; | |
| 140 break; | |
| 141 #endif | |
| 142 | |
| 143 #ifdef EINVAL | |
| 144 case EINVAL: | |
| 145 s = "Invalid argument"; | |
| 146 break; | |
| 147 #endif | |
| 148 | |
| 149 #ifdef EMFILE | |
| 150 case EMFILE: | |
| 151 s = "Too many open files"; | |
| 152 break; | |
| 153 #endif | |
| 154 | |
| 155 #ifdef EDOM | |
| 156 case EDOM: | |
| 157 s = "Argument to math function outside valid domain"; | |
| 158 break; | |
| 159 #endif | |
| 160 | |
| 161 #ifdef ERANGE | |
| 162 case ERANGE: | |
| 163 s = "Math result cannot be represented"; | |
| 164 break; | |
| 165 #endif | |
| 166 | |
| 167 #ifdef ENOSYS | |
| 168 case ENOSYS: | |
| 169 s = "Function not implemented"; | |
| 170 break; | |
| 171 #endif | |
| 172 | |
| 173 #ifdef EEOF | |
| 174 case EEOF: | |
| 175 s = "End of file reached"; | |
| 176 break; | |
| 177 #endif | |
| 178 | |
| 179 #ifdef ENOSUPP | |
| 180 case ENOSUPP: | |
| 181 s = "Operation not supported"; | |
| 182 break; | |
| 183 #endif | |
| 184 | |
| 185 #ifdef EDEVNOSUPP | |
| 186 case EDEVNOSUPP: | |
| 187 s = "Device does not support this operation"; | |
| 188 break; | |
| 189 #endif | |
| 190 | |
| 191 default: | |
| 192 s = "Unknown error"; | |
| 193 break; | |
| 194 | |
| 195 } // switch | |
| 196 | |
| 197 CYG_REPORT_RETVAL(s); | |
| 198 | |
| 199 return s; | |
| 200 } // _strerror() | |
| 201 | |
| 202 #endif // ifdef CYGPKG_ERROR | |
| 203 | |
| 204 // EOF strerror.cxx |
