1 files changed, 148 insertions, 0 deletions
diff --git a/file_io/os2/filesys.c b/file_io/os2/filesys.c
new file mode 100644
index 0000000..ae43bc0
--- /dev/null
+++ b/file_io/os2/filesys.c
@@ -0,0 +1,148 @@
+/* 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 "apr.h"
+#include "apr_arch_file_io.h"
+#include "apr_strings.h"
+#include "apr_lib.h"
+#include <ctype.h>
+
+/* OS/2 Exceptions:
+ *
+ * Note that trailing spaces and trailing periods are never recorded
+ * in the file system.
+ *
+ * Leading spaces and periods are accepted, however.
+ * The * ? < > codes all have wildcard side effects
+ * The " / \ : are exclusively component separator tokens 
+ * The system doesn't accept | for any (known) purpose 
+ * Oddly, \x7f _is_ acceptable ;)
+ */
+
+const char c_is_fnchar[256] =
+{/* Reject all ctrl codes...                                         */
+    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+ /*     "               *         /                      :   <   > ? */
+    1,1,0,1,1,1,1,1,1,1,0,1,1,1,1,0, 1,1,1,1,1,1,1,1,1,1,0,1,0,1,0,0,
+ /*                                                          \       */
+    1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,
+ /*                                                          |       */
+    1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,
+ /* High bit codes are accepted                                      */
+    1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
+    1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
+    1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
+    1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1
+};
+
+
+#define IS_SLASH(c) (c == '/' || c == '\\')
+
+
+apr_status_t filepath_root_test(char *path, apr_pool_t *p)
+{
+    char drive = apr_toupper(path[0]);
+
+    if (drive >= 'A' && drive <= 'Z' && path[1] == ':' && IS_SLASH(path[2]))
+        return APR_SUCCESS;
+
+    return APR_EBADPATH;
+}
+
+
+apr_status_t filepath_drive_get(char **rootpath, char drive, 
+                                apr_int32_t flags, apr_pool_t *p)
+{
+    char path[APR_PATH_MAX];
+    char *pos;
+    ULONG rc;
+    ULONG bufsize = sizeof(path) - 3;
+
+    path[0] = drive;
+    path[1] = ':';
+    path[2] = '/';
+
+    rc = DosQueryCurrentDir(apr_toupper(drive) - 'A', path+3, &bufsize);
+
+    if (rc) {
+        return APR_FROM_OS_ERROR(rc);
+    }
+
+    if (!(flags & APR_FILEPATH_NATIVE)) {
+        for (pos=path; *pos; pos++) {
+            if (*pos == '\\')
+                *pos = '/';
+        }
+    }
+
+    *rootpath = apr_pstrdup(p, path);
+    return APR_SUCCESS;
+}
+
+
+apr_status_t filepath_root_case(char **rootpath, char *root, apr_pool_t *p)
+{
+    if (root[0] && apr_islower(root[0]) && root[1] == ':') {
+        *rootpath = apr_pstrdup(p, root);
+        (*rootpath)[0] = apr_toupper((*rootpath)[0]);
+    }
+    else {
+       *rootpath = root;
+    }
+    return APR_SUCCESS;
+}
+
+
+APR_DECLARE(apr_status_t) apr_filepath_get(char **defpath, apr_int32_t flags,
+                                           apr_pool_t *p)
+{
+    char path[APR_PATH_MAX];
+    ULONG drive;
+    ULONG drivemap;
+    ULONG rv, pathlen = sizeof(path) - 3;
+    char *pos;
+
+    DosQueryCurrentDisk(&drive, &drivemap);
+    path[0] = '@' + drive;
+    strcpy(path+1, ":\\");
+    rv = DosQueryCurrentDir(drive, path+3, &pathlen);
+
+    *defpath = apr_pstrdup(p, path);
+
+    if (!(flags & APR_FILEPATH_NATIVE)) {
+        for (pos=*defpath; *pos; pos++) {
+            if (*pos == '\\')
+                *pos = '/';
+        }
+    }
+
+    return APR_SUCCESS;
+}    
+
+
+
+APR_DECLARE(apr_status_t) apr_filepath_set(const char *path, apr_pool_t *p)
+{
+    ULONG rv = 0;
+
+    if (path[1] == ':')
+        rv = DosSetDefaultDisk(apr_toupper(path[0]) - '@');
+
+    if (rv == 0)
+        rv = DosSetCurrentDir(path);
+
+    return APR_FROM_OS_ERROR(rv);
+}