1 files changed, 95 insertions, 0 deletions
diff --git a/file_io/os2/maperrorcode.c b/file_io/os2/maperrorcode.c
new file mode 100644
index 0000000..282338b
--- /dev/null
+++ b/file_io/os2/maperrorcode.c
@@ -0,0 +1,95 @@
+/* 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.
+ */
+
+#define INCL_DOSERRORS
+#include "apr_arch_file_io.h"
+#include "apr_file_io.h"
+#include <errno.h>
+#include <string.h>
+#include "apr_errno.h"
+
+static int errormap[][2] = {
+    { NO_ERROR,                   APR_SUCCESS      },
+    { ERROR_FILE_NOT_FOUND,       APR_ENOENT       },
+    { ERROR_PATH_NOT_FOUND,       APR_ENOENT       },
+    { ERROR_TOO_MANY_OPEN_FILES,  APR_EMFILE       },
+    { ERROR_ACCESS_DENIED,        APR_EACCES       },
+    { ERROR_SHARING_VIOLATION,    APR_EACCES       },
+    { ERROR_INVALID_PARAMETER,    APR_EINVAL       },
+    { ERROR_OPEN_FAILED,          APR_ENOENT       },
+    { ERROR_DISK_FULL,            APR_ENOSPC       },
+    { ERROR_FILENAME_EXCED_RANGE, APR_ENAMETOOLONG },
+    { ERROR_INVALID_FUNCTION,     APR_EINVAL       },
+    { ERROR_INVALID_HANDLE,       APR_EBADF        },
+    { ERROR_NEGATIVE_SEEK,        APR_ESPIPE       },
+    { ERROR_NO_SIGNAL_SENT,       ESRCH            },
+    { ERROR_NO_DATA,              APR_EAGAIN       },
+    { SOCEINTR,                 EINTR           },
+    { SOCEWOULDBLOCK,           EWOULDBLOCK     },
+    { SOCEINPROGRESS,           EINPROGRESS     },
+    { SOCEALREADY,              EALREADY        },
+    { SOCENOTSOCK,              ENOTSOCK        },
+    { SOCEDESTADDRREQ,          EDESTADDRREQ    },
+    { SOCEMSGSIZE,              EMSGSIZE        },
+    { SOCEPROTOTYPE,            EPROTOTYPE      },
+    { SOCENOPROTOOPT,           ENOPROTOOPT     },
+    { SOCEPROTONOSUPPORT,       EPROTONOSUPPORT },
+    { SOCESOCKTNOSUPPORT,       ESOCKTNOSUPPORT },
+    { SOCEOPNOTSUPP,            EOPNOTSUPP      },
+    { SOCEPFNOSUPPORT,          EPFNOSUPPORT    },
+    { SOCEAFNOSUPPORT,          EAFNOSUPPORT    },
+    { SOCEADDRINUSE,            EADDRINUSE      },
+    { SOCEADDRNOTAVAIL,         EADDRNOTAVAIL   },
+    { SOCENETDOWN,              ENETDOWN        },
+    { SOCENETUNREACH,           ENETUNREACH     },
+    { SOCENETRESET,             ENETRESET       },
+    { SOCECONNABORTED,          ECONNABORTED    },
+    { SOCECONNRESET,            ECONNRESET      },
+    { SOCENOBUFS,               ENOBUFS         },
+    { SOCEISCONN,               EISCONN         },
+    { SOCENOTCONN,              ENOTCONN        },
+    { SOCESHUTDOWN,             ESHUTDOWN       },
+    { SOCETOOMANYREFS,          ETOOMANYREFS    },
+    { SOCETIMEDOUT,             ETIMEDOUT       },
+    { SOCECONNREFUSED,          ECONNREFUSED    },
+    { SOCELOOP,                 ELOOP           },
+    { SOCENAMETOOLONG,          ENAMETOOLONG    },
+    { SOCEHOSTDOWN,             EHOSTDOWN       },
+    { SOCEHOSTUNREACH,          EHOSTUNREACH    },
+    { SOCENOTEMPTY,             ENOTEMPTY       },
+    { SOCEPIPE,                 EPIPE           }
+};
+
+#define MAPSIZE (sizeof(errormap)/sizeof(errormap[0]))
+
+int apr_canonical_error(apr_status_t err)
+{
+    int rv = -1, index;
+
+    if (err < APR_OS_START_SYSERR)
+        return err;
+
+    err -= APR_OS_START_SYSERR;
+
+    for (index=0; index<MAPSIZE && errormap[index][0] != err; index++);
+    
+    if (index<MAPSIZE)
+        rv = errormap[index][1];
+    else
+        fprintf(stderr, "apr_canonical_error: Unknown OS/2 error code %d\n", err );
+        
+    return rv;
+}