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| 1 /* strerror.c --- POSIX compatible system error routine |
| 2 |
| 3 Copyright (C) 2007-2008 Free Software Foundation, Inc. |
| 4 |
| 5 This program is free software: you can redistribute it and/or modify |
| 6 it under the terms of the GNU General Public License as published by |
| 7 the Free Software Foundation; either version 3 of the License, or |
| 8 (at your option) any later version. |
| 9 |
| 10 This program is distributed in the hope that it will be useful, |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 GNU General Public License for more details. |
| 14 |
| 15 You should have received a copy of the GNU General Public License |
| 16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 17 |
| 18 #include <config.h> |
| 19 |
| 20 #include <string.h> |
| 21 |
| 22 #if REPLACE_STRERROR |
| 23 |
| 24 # include <errno.h> |
| 25 # include <stdio.h> |
| 26 |
| 27 # if GNULIB_defined_ESOCK /* native Windows platforms */ |
| 28 # if HAVE_WINSOCK2_H |
| 29 # include <winsock2.h> |
| 30 # endif |
| 31 # endif |
| 32 |
| 33 # include "intprops.h" |
| 34 |
| 35 # undef strerror |
| 36 # if ! HAVE_DECL_STRERROR |
| 37 # define strerror(n) NULL |
| 38 # endif |
| 39 |
| 40 char * |
| 41 rpl_strerror (int n) |
| 42 { |
| 43 /* These error messages are taken from glibc/sysdeps/gnu/errlist.c. */ |
| 44 switch (n) |
| 45 { |
| 46 # if GNULIB_defined_ETXTBSY |
| 47 case ETXTBSY: |
| 48 return "Text file busy"; |
| 49 # endif |
| 50 |
| 51 # if GNULIB_defined_ESOCK /* native Windows platforms */ |
| 52 /* EWOULDBLOCK is the same as EAGAIN. */ |
| 53 case EINPROGRESS: |
| 54 return "Operation now in progress"; |
| 55 case EALREADY: |
| 56 return "Operation already in progress"; |
| 57 case ENOTSOCK: |
| 58 return "Socket operation on non-socket"; |
| 59 case EDESTADDRREQ: |
| 60 return "Destination address required"; |
| 61 case EMSGSIZE: |
| 62 return "Message too long"; |
| 63 case EPROTOTYPE: |
| 64 return "Protocol wrong type for socket"; |
| 65 case ENOPROTOOPT: |
| 66 return "Protocol not available"; |
| 67 case EPROTONOSUPPORT: |
| 68 return "Protocol not supported"; |
| 69 case ESOCKTNOSUPPORT: |
| 70 return "Socket type not supported"; |
| 71 case EOPNOTSUPP: |
| 72 return "Operation not supported"; |
| 73 case EPFNOSUPPORT: |
| 74 return "Protocol family not supported"; |
| 75 case EAFNOSUPPORT: |
| 76 return "Address family not supported by protocol"; |
| 77 case EADDRINUSE: |
| 78 return "Address already in use"; |
| 79 case EADDRNOTAVAIL: |
| 80 return "Cannot assign requested address"; |
| 81 case ENETDOWN: |
| 82 return "Network is down"; |
| 83 case ENETUNREACH: |
| 84 return "Network is unreachable"; |
| 85 case ENETRESET: |
| 86 return "Network dropped connection on reset"; |
| 87 case ECONNABORTED: |
| 88 return "Software caused connection abort"; |
| 89 case ECONNRESET: |
| 90 return "Connection reset by peer"; |
| 91 case ENOBUFS: |
| 92 return "No buffer space available"; |
| 93 case EISCONN: |
| 94 return "Transport endpoint is already connected"; |
| 95 case ENOTCONN: |
| 96 return "Transport endpoint is not connected"; |
| 97 case ESHUTDOWN: |
| 98 return "Cannot send after transport endpoint shutdown"; |
| 99 case ETOOMANYREFS: |
| 100 return "Too many references: cannot splice"; |
| 101 case ETIMEDOUT: |
| 102 return "Connection timed out"; |
| 103 case ECONNREFUSED: |
| 104 return "Connection refused"; |
| 105 case ELOOP: |
| 106 return "Too many levels of symbolic links"; |
| 107 case EHOSTDOWN: |
| 108 return "Host is down"; |
| 109 case EHOSTUNREACH: |
| 110 return "No route to host"; |
| 111 case EPROCLIM: |
| 112 return "Too many processes"; |
| 113 case EUSERS: |
| 114 return "Too many users"; |
| 115 case EDQUOT: |
| 116 return "Disk quota exceeded"; |
| 117 case ESTALE: |
| 118 return "Stale NFS file handle"; |
| 119 case EREMOTE: |
| 120 return "Object is remote"; |
| 121 # if HAVE_WINSOCK2_H |
| 122 /* WSA_INVALID_HANDLE maps to EBADF */ |
| 123 /* WSA_NOT_ENOUGH_MEMORY maps to ENOMEM */ |
| 124 /* WSA_INVALID_PARAMETER maps to EINVAL */ |
| 125 case WSA_OPERATION_ABORTED: |
| 126 return "Overlapped operation aborted"; |
| 127 case WSA_IO_INCOMPLETE: |
| 128 return "Overlapped I/O event object not in signaled state"; |
| 129 case WSA_IO_PENDING: |
| 130 return "Overlapped operations will complete later"; |
| 131 /* WSAEINTR maps to EINTR */ |
| 132 /* WSAEBADF maps to EBADF */ |
| 133 /* WSAEACCES maps to EACCES */ |
| 134 /* WSAEFAULT maps to EFAULT */ |
| 135 /* WSAEINVAL maps to EINVAL */ |
| 136 /* WSAEMFILE maps to EMFILE */ |
| 137 /* WSAEWOULDBLOCK maps to EWOULDBLOCK */ |
| 138 /* WSAEINPROGRESS is EINPROGRESS */ |
| 139 /* WSAEALREADY is EALREADY */ |
| 140 /* WSAENOTSOCK is ENOTSOCK */ |
| 141 /* WSAEDESTADDRREQ is EDESTADDRREQ */ |
| 142 /* WSAEMSGSIZE is EMSGSIZE */ |
| 143 /* WSAEPROTOTYPE is EPROTOTYPE */ |
| 144 /* WSAENOPROTOOPT is ENOPROTOOPT */ |
| 145 /* WSAEPROTONOSUPPORT is EPROTONOSUPPORT */ |
| 146 /* WSAESOCKTNOSUPPORT is ESOCKTNOSUPPORT */ |
| 147 /* WSAEOPNOTSUPP is EOPNOTSUPP */ |
| 148 /* WSAEPFNOSUPPORT is EPFNOSUPPORT */ |
| 149 /* WSAEAFNOSUPPORT is EAFNOSUPPORT */ |
| 150 /* WSAEADDRINUSE is EADDRINUSE */ |
| 151 /* WSAEADDRNOTAVAIL is EADDRNOTAVAIL */ |
| 152 /* WSAENETDOWN is ENETDOWN */ |
| 153 /* WSAENETUNREACH is ENETUNREACH */ |
| 154 /* WSAENETRESET is ENETRESET */ |
| 155 /* WSAECONNABORTED is ECONNABORTED */ |
| 156 /* WSAECONNRESET is ECONNRESET */ |
| 157 /* WSAENOBUFS is ENOBUFS */ |
| 158 /* WSAEISCONN is EISCONN */ |
| 159 /* WSAENOTCONN is ENOTCONN */ |
| 160 /* WSAESHUTDOWN is ESHUTDOWN */ |
| 161 /* WSAETOOMANYREFS is ETOOMANYREFS */ |
| 162 /* WSAETIMEDOUT is ETIMEDOUT */ |
| 163 /* WSAECONNREFUSED is ECONNREFUSED */ |
| 164 /* WSAELOOP is ELOOP */ |
| 165 /* WSAENAMETOOLONG maps to ENAMETOOLONG */ |
| 166 /* WSAEHOSTDOWN is EHOSTDOWN */ |
| 167 /* WSAEHOSTUNREACH is EHOSTUNREACH */ |
| 168 /* WSAENOTEMPTY maps to ENOTEMPTY */ |
| 169 /* WSAEPROCLIM is EPROCLIM */ |
| 170 /* WSAEUSERS is EUSERS */ |
| 171 /* WSAEDQUOT is EDQUOT */ |
| 172 /* WSAESTALE is ESTALE */ |
| 173 /* WSAEREMOTE is EREMOTE */ |
| 174 case WSASYSNOTREADY: |
| 175 return "Network subsystem is unavailable"; |
| 176 case WSAVERNOTSUPPORTED: |
| 177 return "Winsock.dll version out of range"; |
| 178 case WSANOTINITIALISED: |
| 179 return "Successful WSAStartup not yet performed"; |
| 180 case WSAEDISCON: |
| 181 return "Graceful shutdown in progress"; |
| 182 case WSAENOMORE: case WSA_E_NO_MORE: |
| 183 return "No more results"; |
| 184 case WSAECANCELLED: case WSA_E_CANCELLED: |
| 185 return "Call was canceled"; |
| 186 case WSAEINVALIDPROCTABLE: |
| 187 return "Procedure call table is invalid"; |
| 188 case WSAEINVALIDPROVIDER: |
| 189 return "Service provider is invalid"; |
| 190 case WSAEPROVIDERFAILEDINIT: |
| 191 return "Service provider failed to initialize"; |
| 192 case WSASYSCALLFAILURE: |
| 193 return "System call failure"; |
| 194 case WSASERVICE_NOT_FOUND: |
| 195 return "Service not found"; |
| 196 case WSATYPE_NOT_FOUND: |
| 197 return "Class type not found"; |
| 198 case WSAEREFUSED: |
| 199 return "Database query was refused"; |
| 200 case WSAHOST_NOT_FOUND: |
| 201 return "Host not found"; |
| 202 case WSATRY_AGAIN: |
| 203 return "Nonauthoritative host not found"; |
| 204 case WSANO_RECOVERY: |
| 205 return "Nonrecoverable error"; |
| 206 case WSANO_DATA: |
| 207 return "Valid name, no data record of requested type"; |
| 208 /* WSA_QOS_* omitted */ |
| 209 # endif |
| 210 # endif |
| 211 |
| 212 # if GNULIB_defined_ENOMSG |
| 213 case ENOMSG: |
| 214 return "No message of desired type"; |
| 215 # endif |
| 216 |
| 217 # if GNULIB_defined_EIDRM |
| 218 case EIDRM: |
| 219 return "Identifier removed"; |
| 220 # endif |
| 221 |
| 222 # if GNULIB_defined_ENOLINK |
| 223 case ENOLINK: |
| 224 return "Link has been severed"; |
| 225 # endif |
| 226 |
| 227 # if GNULIB_defined_EPROTO |
| 228 case EPROTO: |
| 229 return "Protocol error"; |
| 230 # endif |
| 231 |
| 232 # if GNULIB_defined_EMULTIHOP |
| 233 case EMULTIHOP: |
| 234 return "Multihop attempted"; |
| 235 # endif |
| 236 |
| 237 # if GNULIB_defined_EBADMSG |
| 238 case EBADMSG: |
| 239 return "Bad message"; |
| 240 # endif |
| 241 |
| 242 # if GNULIB_defined_EOVERFLOW |
| 243 case EOVERFLOW: |
| 244 return "Value too large for defined data type"; |
| 245 # endif |
| 246 |
| 247 # if GNULIB_defined_ENOTSUP |
| 248 case ENOTSUP: |
| 249 return "Not supported"; |
| 250 # endif |
| 251 |
| 252 # if GNULIB_defined_ |
| 253 case ECANCELED: |
| 254 return "Operation canceled"; |
| 255 # endif |
| 256 } |
| 257 |
| 258 { |
| 259 char *result = strerror (n); |
| 260 |
| 261 if (result == NULL || result[0] == '\0') |
| 262 { |
| 263 static char const fmt[] = "Unknown error (%d)"; |
| 264 static char mesg[sizeof fmt + INT_STRLEN_BOUND (n)]; |
| 265 sprintf (mesg, fmt, n); |
| 266 return mesg; |
| 267 } |
| 268 |
| 269 return result; |
| 270 } |
| 271 } |
| 272 |
| 273 #endif |
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