1 files changed, 105 insertions, 0 deletions
diff --git a/srclib/libapreq/error.c b/srclib/libapreq/error.c
new file mode 100644
index 0000000000..92a270bbe9
--- /dev/null
+++ b/srclib/libapreq/error.c
@@ -0,0 +1,105 @@
+/* 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));
+}
+