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5465
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1 // oct-errno.cc.in |
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2 /* |
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3 |
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4 Copyright (C) 2005 John W. Eaton |
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5 |
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6 This file is part of Octave. |
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7 |
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8 Octave is free software; you can redistribute it and/or modify it |
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9 under the terms of the GNU General Public License as published by the |
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10 Free Software Foundation; either version 2, or (at your option) any |
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11 later version. |
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12 |
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13 Octave is distributed in the hope that it will be useful, but WITHOUT |
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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16 for more details. |
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17 |
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18 You should have received a copy of the GNU General Public License |
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19 along with Octave; see the file COPYING. If not, write to the Free |
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20 Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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21 02110-1301, USA. |
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22 |
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23 */ |
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24 |
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25 #ifdef HAVE_CONFIG_H |
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26 #include <config.h> |
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27 #endif |
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28 |
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29 #include <cerrno> |
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30 |
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31 #include "oct-errno.h" |
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32 #include "oct-map.h" |
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33 #include "error.h" |
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34 |
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35 octave_errno *octave_errno::instance = 0; |
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36 |
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37 octave_errno::octave_errno (void) |
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38 { |
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39 struct errno_struct |
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40 { |
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41 const char *name; |
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42 const int value; |
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43 }; |
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44 |
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45 static errno_struct errno_codes[] = |
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46 { |
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47 // POSIX. |
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48 |
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49 #if defined (E2BIG) |
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50 { "E2BIG", E2BIG, }, |
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51 #endif |
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52 #if defined (EACCES) |
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53 { "EACCES", EACCES, }, |
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54 #endif |
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55 #if defined (EADDRINUSE) |
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56 { "EADDRINUSE", EADDRINUSE, }, |
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57 #endif |
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58 #if defined (EADDRNOTAVAIL) |
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59 { "EADDRNOTAVAIL", EADDRNOTAVAIL, }, |
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60 #endif |
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61 #if defined (EAFNOSUPPORT) |
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62 { "EAFNOSUPPORT", EAFNOSUPPORT, }, |
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63 #endif |
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64 #if defined (EAGAIN) |
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65 { "EAGAIN", EAGAIN, }, |
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66 #endif |
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67 #if defined (EALREADY) |
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68 { "EALREADY", EALREADY, }, |
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69 #endif |
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70 #if defined (EBADF) |
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71 { "EBADF", EBADF, }, |
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72 #endif |
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73 #if defined (EBUSY) |
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74 { "EBUSY", EBUSY, }, |
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75 #endif |
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76 #if defined (ECHILD) |
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77 { "ECHILD", ECHILD, }, |
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78 #endif |
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79 #if defined (ECONNABORTED) |
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80 { "ECONNABORTED", ECONNABORTED, }, |
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81 #endif |
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82 #if defined (ECONNREFUSED) |
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83 { "ECONNREFUSED", ECONNREFUSED, }, |
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84 #endif |
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85 #if defined (ECONNRESET) |
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86 { "ECONNRESET", ECONNRESET, }, |
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87 #endif |
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88 #if defined (EDEADLK) |
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89 { "EDEADLK", EDEADLK, }, |
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90 #endif |
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91 #if defined (EDESTADDRREQ) |
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92 { "EDESTADDRREQ", EDESTADDRREQ, }, |
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93 #endif |
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94 #if defined (EDOM) |
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95 { "EDOM", EDOM, }, |
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96 #endif |
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97 #if defined (EDQUOT) |
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98 { "EDQUOT", EDQUOT, }, |
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99 #endif |
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100 #if defined (EEXIST) |
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101 { "EEXIST", EEXIST, }, |
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102 #endif |
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103 #if defined (EFAULT) |
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104 { "EFAULT", EFAULT, }, |
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105 #endif |
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106 #if defined (EFBIG) |
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107 { "EFBIG", EFBIG, }, |
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108 #endif |
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109 #if defined (EHOSTDOWN) |
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110 { "EHOSTDOWN", EHOSTDOWN, }, |
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111 #endif |
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112 #if defined (EHOSTUNREACH) |
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113 { "EHOSTUNREACH", EHOSTUNREACH, }, |
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114 #endif |
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115 #if defined (EINPROGRESS) |
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116 { "EINPROGRESS", EINPROGRESS, }, |
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117 #endif |
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118 #if defined (EINTR) |
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119 { "EINTR", EINTR, }, |
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120 #endif |
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121 #if defined (EINVAL) |
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122 { "EINVAL", EINVAL, }, |
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123 #endif |
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124 #if defined (EIO) |
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125 { "EIO", EIO, }, |
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126 #endif |
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127 #if defined (EISCONN) |
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128 { "EISCONN", EISCONN, }, |
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129 #endif |
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130 #if defined (EISDIR) |
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131 { "EISDIR", EISDIR, }, |
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132 #endif |
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133 #if defined (ELOOP) |
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134 { "ELOOP", ELOOP, }, |
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135 #endif |
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136 #if defined (EMFILE) |
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137 { "EMFILE", EMFILE, }, |
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138 #endif |
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139 #if defined (EMLINK) |
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140 { "EMLINK", EMLINK, }, |
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141 #endif |
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142 #if defined (EMSGSIZE) |
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143 { "EMSGSIZE", EMSGSIZE, }, |
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144 #endif |
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145 #if defined (ENAMETOOLONG) |
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146 { "ENAMETOOLONG", ENAMETOOLONG, }, |
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147 #endif |
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148 #if defined (ENETDOWN) |
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149 { "ENETDOWN", ENETDOWN, }, |
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150 #endif |
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151 #if defined (ENETRESET) |
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152 { "ENETRESET", ENETRESET, }, |
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153 #endif |
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154 #if defined (ENETUNREACH) |
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155 { "ENETUNREACH", ENETUNREACH, }, |
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156 #endif |
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157 #if defined (ENFILE) |
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158 { "ENFILE", ENFILE, }, |
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159 #endif |
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160 #if defined (ENOBUFS) |
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161 { "ENOBUFS", ENOBUFS, }, |
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162 #endif |
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163 #if defined (ENODEV) |
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164 { "ENODEV", ENODEV, }, |
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165 #endif |
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166 #if defined (ENOENT) |
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167 { "ENOENT", ENOENT, }, |
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168 #endif |
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169 #if defined (ENOEXEC) |
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170 { "ENOEXEC", ENOEXEC, }, |
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171 #endif |
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172 #if defined (ENOLCK) |
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173 { "ENOLCK", ENOLCK, }, |
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174 #endif |
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175 #if defined (ENOMEM) |
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176 { "ENOMEM", ENOMEM, }, |
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177 #endif |
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178 #if defined (ENOPROTOOPT) |
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179 { "ENOPROTOOPT", ENOPROTOOPT, }, |
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180 #endif |
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181 #if defined (ENOSPC) |
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182 { "ENOSPC", ENOSPC, }, |
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183 #endif |
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184 #if defined (ENOSYS) |
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185 { "ENOSYS", ENOSYS, }, |
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186 #endif |
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187 #if defined (ENOTBLK) |
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188 { "ENOTBLK", ENOTBLK, }, |
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189 #endif |
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190 #if defined (ENOTCONN) |
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191 { "ENOTCONN", ENOTCONN, }, |
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192 #endif |
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193 #if defined (ENOTDIR) |
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194 { "ENOTDIR", ENOTDIR, }, |
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195 #endif |
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196 #if defined (ENOTEMPTY) |
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197 { "ENOTEMPTY", ENOTEMPTY, }, |
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198 #endif |
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199 #if defined (ENOTSOCK) |
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200 { "ENOTSOCK", ENOTSOCK, }, |
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201 #endif |
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202 #if defined (ENOTTY) |
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203 { "ENOTTY", ENOTTY, }, |
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204 #endif |
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205 #if defined (ENXIO) |
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206 { "ENXIO", ENXIO, }, |
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207 #endif |
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208 #if defined (EOPNOTSUPP) |
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209 { "EOPNOTSUPP", EOPNOTSUPP, }, |
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210 #endif |
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211 #if defined (EPERM) |
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212 { "EPERM", EPERM, }, |
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213 #endif |
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214 #if defined (EPFNOSUPPORT) |
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215 { "EPFNOSUPPORT", EPFNOSUPPORT, }, |
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216 #endif |
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217 #if defined (EPIPE) |
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218 { "EPIPE", EPIPE, }, |
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219 #endif |
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220 #if defined (EPROTONOSUPPORT) |
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221 { "EPROTONOSUPPORT", EPROTONOSUPPORT, }, |
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222 #endif |
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223 #if defined (EPROTOTYPE) |
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224 { "EPROTOTYPE", EPROTOTYPE, }, |
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225 #endif |
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226 #if defined (ERANGE) |
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227 { "ERANGE", ERANGE, }, |
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228 #endif |
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229 #if defined (EREMOTE) |
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230 { "EREMOTE", EREMOTE, }, |
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231 #endif |
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232 #if defined (ERESTART) |
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233 { "ERESTART", ERESTART, }, |
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234 #endif |
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235 #if defined (EROFS) |
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236 { "EROFS", EROFS, }, |
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237 #endif |
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238 #if defined (ESHUTDOWN) |
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239 { "ESHUTDOWN", ESHUTDOWN, }, |
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240 #endif |
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241 #if defined (ESOCKTNOSUPPORT) |
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242 { "ESOCKTNOSUPPORT", ESOCKTNOSUPPORT, }, |
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243 #endif |
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244 #if defined (ESPIPE) |
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245 { "ESPIPE", ESPIPE, }, |
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246 #endif |
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247 #if defined (ESRCH) |
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248 { "ESRCH", ESRCH, }, |
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249 #endif |
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250 #if defined (ESTALE) |
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251 { "ESTALE", ESTALE, }, |
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252 #endif |
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253 #if defined (ETIMEDOUT) |
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254 { "ETIMEDOUT", ETIMEDOUT, }, |
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255 #endif |
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256 #if defined (ETOOMANYREFS) |
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257 { "ETOOMANYREFS", ETOOMANYREFS, }, |
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258 #endif |
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259 #if defined (ETXTBSY) |
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260 { "ETXTBSY", ETXTBSY, }, |
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261 #endif |
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262 #if defined (EUSERS) |
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263 { "EUSERS", EUSERS, }, |
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264 #endif |
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265 #if defined (EWOULDBLOCK) |
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266 { "EWOULDBLOCK", EWOULDBLOCK, }, |
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267 #endif |
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268 #if defined (EXDEV) |
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269 { "EXDEV", EXDEV, }, |
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270 #endif |
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271 |
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272 // Others (duplicates are OK). |
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273 |
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274 @SYSDEP_ERRNO_LIST@ |
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275 |
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276 { 0, 0, }, |
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277 }; |
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278 |
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279 // Stuff them all in a map for fast access. |
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280 |
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281 errno_struct *ptr = errno_codes; |
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282 |
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283 while (ptr->name) |
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284 { |
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285 errno_tbl[ptr->name] = ptr->value; |
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286 ptr++; |
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287 } |
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288 } |
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289 |
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290 bool |
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291 octave_errno::instance_ok (void) |
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292 { |
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293 bool retval = true; |
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294 |
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295 if (! instance) |
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296 instance = new octave_errno (); |
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297 |
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298 if (! instance) |
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299 { |
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300 ::error ("unable to create errno object!"); |
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301 |
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302 retval = false; |
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303 } |
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304 |
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305 return retval; |
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306 } |
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307 |
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308 int |
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309 octave_errno::lookup (const std::string& name) |
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310 { |
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311 return (instance_ok ()) ? instance->do_lookup (name) : -1; |
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312 } |
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313 |
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314 Octave_map |
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315 octave_errno::list (void) |
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316 { |
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317 return (instance_ok ()) ? instance->do_list () : Octave_map (); |
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318 } |
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319 |
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320 int |
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321 octave_errno::do_lookup (const std::string& name) |
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322 { |
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323 return (errno_tbl.find (name) != errno_tbl.end ()) ? errno_tbl[name] : -1; |
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324 } |
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325 |
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326 Octave_map |
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327 octave_errno::do_list (void) |
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328 { |
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329 Octave_map retval; |
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330 |
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331 for (std::map<std::string, int>::const_iterator p = errno_tbl.begin (); |
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332 p != errno_tbl.end (); |
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333 p++) |
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334 { |
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335 retval.assign (p->first, p->second); |
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336 } |
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337 |
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338 return retval; |
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339 } |
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340 |
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341 /* |
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342 ;;; Local Variables: *** |
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343 ;;; mode: C++ *** |
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344 ;;; page-delimiter: "^/\\*" *** |
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345 ;;; End: *** |
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346 */ |
