jasonbu commented on code in PR #16666: URL: https://github.com/apache/nuttx/pull/16666#discussion_r2184532539
########## arch/sim/src/sim/posix/sim_errno.c: ########## @@ -0,0 +1,336 @@ +/**************************************************************************** + * arch/sim/src/sim/posix/sim_errno.c + * + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <errno.h> + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/* Add holder to detect possible errno in host def.h + * Use ERRNO_HOLDER to make ifdef able to expand at pre-processor time + */ + +#define ERRNO_HOLDER_ 0, +#define ERRNO_HOLDER_1 0, +#define ERRNO_HOLDER_2 0, +#define ERRNO_HOLDER_3 0, +#define ERRNO_HOLDER_4 0, +#define ERRNO_HOLDER_5 0, +#define ERRNO_HOLDER_6 0, +#define ERRNO_HOLDER_7 0, +#define ERRNO_HOLDER_8 0, +#define ERRNO_HOLDER_9 0, +#define ERRNO_HOLDER_10 0, +#define ERRNO_HOLDER_11 0, +#define ERRNO_HOLDER_12 0, +#define ERRNO_HOLDER_13 0, +#define ERRNO_HOLDER_14 0, +#define ERRNO_HOLDER_15 0, +#define ERRNO_HOLDER_16 0, +#define ERRNO_HOLDER_17 0, +#define ERRNO_HOLDER_18 0, +#define ERRNO_HOLDER_19 0, +#define ERRNO_HOLDER_20 0, +#define ERRNO_HOLDER_21 0, +#define ERRNO_HOLDER_22 0, +#define ERRNO_HOLDER_23 0, +#define ERRNO_HOLDER_24 0, +#define ERRNO_HOLDER_25 0, +#define ERRNO_HOLDER_26 0, +#define ERRNO_HOLDER_27 0, +#define ERRNO_HOLDER_28 0, +#define ERRNO_HOLDER_29 0, +#define ERRNO_HOLDER_30 0, +#define ERRNO_HOLDER_31 0, +#define ERRNO_HOLDER_32 0, +#define ERRNO_HOLDER_33 0, +#define ERRNO_HOLDER_34 0, +#define ERRNO_HOLDER_35 0, +#define ERRNO_HOLDER_36 0, +#define ERRNO_HOLDER_37 0, +#define ERRNO_HOLDER_38 0, +#define ERRNO_HOLDER_39 0, +#define ERRNO_HOLDER_40 0, +#define ERRNO_HOLDER_41 0, +#define ERRNO_HOLDER_42 0, +#define ERRNO_HOLDER_43 0, +#define ERRNO_HOLDER_44 0, +#define ERRNO_HOLDER_45 0, +#define ERRNO_HOLDER_46 0, +#define ERRNO_HOLDER_47 0, +#define ERRNO_HOLDER_48 0, +#define ERRNO_HOLDER_49 0, +#define ERRNO_HOLDER_50 0, +#define ERRNO_HOLDER_51 0, +#define ERRNO_HOLDER_52 0, +#define ERRNO_HOLDER_53 0, +#define ERRNO_HOLDER_54 0, +#define ERRNO_HOLDER_55 0, +#define ERRNO_HOLDER_56 0, +#define ERRNO_HOLDER_57 0, +#define ERRNO_HOLDER_58 0, +#define ERRNO_HOLDER_59 0, +#define ERRNO_HOLDER_60 0, +#define ERRNO_HOLDER_61 0, +#define ERRNO_HOLDER_62 0, +#define ERRNO_HOLDER_63 0, +#define ERRNO_HOLDER_64 0, +#define ERRNO_HOLDER_65 0, +#define ERRNO_HOLDER_66 0, +#define ERRNO_HOLDER_67 0, +#define ERRNO_HOLDER_68 0, +#define ERRNO_HOLDER_69 0, +#define ERRNO_HOLDER_70 0, +#define ERRNO_HOLDER_71 0, +#define ERRNO_HOLDER_72 0, +#define ERRNO_HOLDER_73 0, +#define ERRNO_HOLDER_74 0, +#define ERRNO_HOLDER_75 0, +#define ERRNO_HOLDER_76 0, +#define ERRNO_HOLDER_77 0, +#define ERRNO_HOLDER_78 0, +#define ERRNO_HOLDER_79 0, +#define ERRNO_HOLDER_80 0, +#define ERRNO_HOLDER_81 0, +#define ERRNO_HOLDER_82 0, +#define ERRNO_HOLDER_83 0, +#define ERRNO_HOLDER_84 0, +#define ERRNO_HOLDER_85 0, +#define ERRNO_HOLDER_86 0, +#define ERRNO_HOLDER_87 0, +#define ERRNO_HOLDER_88 0, +#define ERRNO_HOLDER_89 0, +#define ERRNO_HOLDER_90 0, +#define ERRNO_HOLDER_91 0, +#define ERRNO_HOLDER_92 0, +#define ERRNO_HOLDER_93 0, +#define ERRNO_HOLDER_94 0, +#define ERRNO_HOLDER_95 0, +#define ERRNO_HOLDER_96 0, +#define ERRNO_HOLDER_97 0, +#define ERRNO_HOLDER_98 0, +#define ERRNO_HOLDER_99 0, +#define ERRNO_HOLDER_100 0, +#define ERRNO_HOLDER_101 0, +#define ERRNO_HOLDER_102 0, +#define ERRNO_HOLDER_103 0, +#define ERRNO_HOLDER_104 0, +#define ERRNO_HOLDER_105 0, +#define ERRNO_HOLDER_106 0, +#define ERRNO_HOLDER_107 0, +#define ERRNO_HOLDER_108 0, +#define ERRNO_HOLDER_109 0, +#define ERRNO_HOLDER_110 0, +#define ERRNO_HOLDER_111 0, +#define ERRNO_HOLDER_112 0, +#define ERRNO_HOLDER_113 0, +#define ERRNO_HOLDER_114 0, +#define ERRNO_HOLDER_115 0, +#define ERRNO_HOLDER_116 0, +#define ERRNO_HOLDER_117 0, +#define ERRNO_HOLDER_118 0, +#define ERRNO_HOLDER_119 0, +#define ERRNO_HOLDER_120 0, +#define ERRNO_HOLDER_121 0, +#define ERRNO_HOLDER_122 0, +#define ERRNO_HOLDER_123 0, +#define ERRNO_HOLDER_124 0, +#define ERRNO_HOLDER_125 0, +#define ERRNO_HOLDER_126 0, +#define ERRNO_HOLDER_127 0, +#define ERRNO_HOLDER_128 0, +#define ERRNO_HOLDER_129 0, +#define ERRNO_HOLDER_130 0, +#define ERRNO_HOLDER_131 0, +#define ERRNO_HOLDER_132 0, +#define ERRNO_HOLDER_133 0, +#define ERRNO_HOLDER_134 0, +#define ERRNO_HOLDER_135 0, +#define ERRNO_HOLDER_136 0, +#define ERRNO_HOLDER_137 0, +#define ERRNO_HOLDER_138 0, +#define ERRNO_HOLDER_139 0, +#define ERRNO_HOLDER_140 0, +#define ERRNO_HOLDER_141 0, +#define ERRNO_HOLDER_142 0, +#define ERRNO_HOLDER_143 0, +#define ERRNO_HOLDER_144 0, +#define ERRNO_HOLDER_145 0, +#define ERRNO_HOLDER_146 0, +#define ERRNO_HOLDER_147 0, +#define ERRNO_HOLDER_148 0, +#define ERRNO_HOLDER_149 0, +#define ERRNO_HOLDER_150 0, +#define ERRNO_HOLDER_151 0, +#define ERRNO_HOLDER_152 0, +#define ERRNO_HOLDER_153 0, +#define ERRNO_HOLDER_154 0, +#define ERRNO_HOLDER_155 0, +#define ERRNO_HOLDER_156 0, +#define ERRNO_HOLDER_157 0, +#define ERRNO_HOLDER_158 0, +#define ERRNO_HOLDER_159 0, +#define ERRNO_HOLDER_160 0, +#define ERRNO_HOLDER_161 0, +#define ERRNO_HOLDER_162 0, +#define ERRNO_HOLDER_163 0, +#define ERRNO_HOLDER_164 0, +#define ERRNO_HOLDER_165 0, +#define ERRNO_HOLDER_166 0, +#define ERRNO_HOLDER_167 0, +#define ERRNO_HOLDER_168 0, +#define ERRNO_HOLDER_169 0, +#define ERRNO_HOLDER_170 0, +#define ERRNO_HOLDER_171 0, +#define ERRNO_HOLDER_172 0, +#define ERRNO_HOLDER_173 0, +#define ERRNO_HOLDER_174 0, +#define ERRNO_HOLDER_175 0, +#define ERRNO_HOLDER_176 0, +#define ERRNO_HOLDER_177 0, +#define ERRNO_HOLDER_178 0, +#define ERRNO_HOLDER_179 0, +#define ERRNO_HOLDER_180 0, +#define ERRNO_HOLDER_181 0, +#define ERRNO_HOLDER_182 0, +#define ERRNO_HOLDER_183 0, +#define ERRNO_HOLDER_184 0, +#define ERRNO_HOLDER_185 0, +#define ERRNO_HOLDER_186 0, +#define ERRNO_HOLDER_187 0, +#define ERRNO_HOLDER_188 0, +#define ERRNO_HOLDER_189 0, +#define ERRNO_HOLDER_190 0, +#define ERRNO_HOLDER_191 0, +#define ERRNO_HOLDER_192 0, +#define ERRNO_HOLDER_193 0, +#define ERRNO_HOLDER_194 0, +#define ERRNO_HOLDER_195 0, +#define ERRNO_HOLDER_196 0, +#define ERRNO_HOLDER_197 0, +#define ERRNO_HOLDER_198 0, +#define ERRNO_HOLDER_199 0, +#define ERRNO_HOLDER_200 0, +#define ERRNO_HOLDER_201 0, +#define ERRNO_HOLDER_202 0, +#define ERRNO_HOLDER_203 0, +#define ERRNO_HOLDER_204 0, +#define ERRNO_HOLDER_205 0, +#define ERRNO_HOLDER_206 0, +#define ERRNO_HOLDER_207 0, +#define ERRNO_HOLDER_208 0, +#define ERRNO_HOLDER_209 0, +#define ERRNO_HOLDER_210 0, +#define ERRNO_HOLDER_211 0, +#define ERRNO_HOLDER_212 0, +#define ERRNO_HOLDER_213 0, +#define ERRNO_HOLDER_214 0, +#define ERRNO_HOLDER_215 0, +#define ERRNO_HOLDER_216 0, +#define ERRNO_HOLDER_217 0, +#define ERRNO_HOLDER_218 0, +#define ERRNO_HOLDER_219 0, +#define ERRNO_HOLDER_220 0, +#define ERRNO_HOLDER_221 0, +#define ERRNO_HOLDER_222 0, +#define ERRNO_HOLDER_223 0, +#define ERRNO_HOLDER_224 0, +#define ERRNO_HOLDER_225 0, +#define ERRNO_HOLDER_226 0, +#define ERRNO_HOLDER_227 0, +#define ERRNO_HOLDER_228 0, +#define ERRNO_HOLDER_229 0, +#define ERRNO_HOLDER_230 0, +#define ERRNO_HOLDER_231 0, +#define ERRNO_HOLDER_232 0, +#define ERRNO_HOLDER_233 0, +#define ERRNO_HOLDER_234 0, +#define ERRNO_HOLDER_235 0, +#define ERRNO_HOLDER_236 0, +#define ERRNO_HOLDER_237 0, +#define ERRNO_HOLDER_238 0, +#define ERRNO_HOLDER_239 0, +#define ERRNO_HOLDER_240 0, +#define ERRNO_HOLDER_241 0, +#define ERRNO_HOLDER_242 0, +#define ERRNO_HOLDER_243 0, +#define ERRNO_HOLDER_244 0, +#define ERRNO_HOLDER_245 0, +#define ERRNO_HOLDER_246 0, +#define ERRNO_HOLDER_247 0, +#define ERRNO_HOLDER_248 0, +#define ERRNO_HOLDER_249 0, +#define ERRNO_HOLDER_250 0, +#define ERRNO_HOLDER_251 0, +#define ERRNO_HOLDER_252 0, +#define ERRNO_HOLDER_253 0, +#define ERRNO_HOLDER_254 0, +#define ERRNO_HOLDER_255 0, + +#define ERRNO_SECOND(ignore, val, ...) val + +#define ERRNO_ISDEF(val) ERRNO_ISDEF_(ERRNO_HOLDER_##val) +#define ERRNO_ISDEF_(arg1_or_junk) ERRNO_SECOND(arg1_or_junk 1, 0) + +#define ERRNO_CASE_IF(val, r) ERRNO_CASE_IF_(ERRNO_ISDEF(val), val, r) +#define ERRNO_CASE_IF_(c, val, r) ERRNO_CASE_IF__(c, val, r) +#define ERRNO_CASE_IF__(c, val, r) ERRNO_CASE_##c(val, r) +#define ERRNO_CASE_0(val, r) +#define ERRNO_CASE_1(n, r) \ + else if (n == errcode) \ + { \ + return -r; \ + } + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +enum +{ +#define ERRNO_ITEM(name, id, str) NX_##name = id, +#include "errno_lookup.h" +#undef ERRNO_ITEM +}; + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +int host_errno_convert(int negative_errno) +{ + int errcode = -negative_errno; Review Comment: OK, as we can ignore the performance problem when using sim. -- This is an automated message from the Apache Git Service. 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