| /* 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. |
| */ |
| |
| #include "apreq_error.h" |
| #include "apr_strings.h" |
| |
| /* |
| * stuffbuffer - like apr_cpystrn() but returns the address of the |
| * dest buffer instead of the address of the terminating '\0' |
| */ |
| static char *stuffbuffer(char *buf, apr_size_t bufsize, const char *s) |
| { |
| apr_cpystrn(buf,s,bufsize); |
| return buf; |
| } |
| |
| static const char *apreq_error_string(apr_status_t statcode) |
| { |
| switch (statcode) { |
| |
| |
| /* 0's: generic error status codes */ |
| |
| case APREQ_ERROR_GENERAL: |
| return "Internal apreq error"; |
| |
| case APREQ_ERROR_TAINTED: |
| return "Attempt to perform unsafe action with tainted data"; |
| |
| |
| /* 10's: malformed input */ |
| |
| case APREQ_ERROR_BADDATA: |
| return "Malformed input data"; |
| |
| case APREQ_ERROR_BADCHAR: |
| return "Invalid character"; |
| |
| case APREQ_ERROR_BADSEQ: |
| return "Invalid byte sequence"; |
| |
| case APREQ_ERROR_BADATTR: |
| return "Unrecognized attribute"; |
| |
| case APREQ_ERROR_BADHEADER: |
| return "Malformed header string"; |
| |
| |
| /* 20's: missing input */ |
| |
| case APREQ_ERROR_NODATA: |
| return "Missing input data"; |
| |
| case APREQ_ERROR_NOTOKEN: |
| return "Expected token not present"; |
| |
| case APREQ_ERROR_NOATTR: |
| return "Missing attribute"; |
| |
| case APREQ_ERROR_NOHEADER: |
| return "Missing header"; |
| |
| case APREQ_ERROR_NOPARSER: |
| return "Missing parser"; |
| |
| |
| /* 30's: configuration conflicts */ |
| |
| case APREQ_ERROR_MISMATCH: |
| return "Conflicting information"; |
| |
| case APREQ_ERROR_OVERLIMIT: |
| return "Exceeds configured maximum limit"; |
| |
| case APREQ_ERROR_NOTEMPTY: |
| return "Setting already configured"; |
| |
| |
| default: |
| return "Error string not yet specified by apreq"; |
| } |
| } |
| |
| |
| APREQ_DECLARE(char *) apreq_strerror(apr_status_t statcode, char *buf, |
| apr_size_t bufsize) |
| { |
| if (statcode < APR_OS_START_USERERR || statcode >= APR_OS_START_EAIERR) |
| return apr_strerror(statcode, buf, bufsize); |
| return stuffbuffer(buf, bufsize, apreq_error_string(statcode)); |
| } |
| |