OS/2: Get apr_filepath_merge() & friends working, making use of the code

in file_io/win32/filepath.c by Bill Rowe.


git-svn-id: http://svn.apache.org/repos/asf/apr/apr/trunk@62270 13f79535-47bb-0310-9956-ffa450edef68

4 files changed, 189 insertions, 2 deletions

diff --git a/file_io/os2/Makefile.in b/file_io/os2/Makefile.in
index 9cee45cba..6757e7fd9 100644
--- a/file_io/os2/Makefile.in
+++ b/file_io/os2/Makefile.in
@@ -11,7 +11,8 @@ TARGETS = \
 	flock.lo \
 	maperrorcode.lo \
 	fullrw.lo \
-	filepath.lo
+	filepath.lo \
+	filesys.lo
 
 # bring in rules.mk for standard functionality
 @INCLUDE_RULES@
diff --git a/file_io/os2/filepath.c b/file_io/os2/filepath.c
index fc460e05e..2abaaee33 100644
--- a/file_io/os2/filepath.c
+++ b/file_io/os2/filepath.c
@@ -1 +1,4 @@
-#include "../unix/filepath.c"
+/* OS/2 & Win32 have much in common with regards to file names (both are 
+ * DOSish) so it makes sense to share some code 
+ */
+#include "../win32/filepath.c"
diff --git a/file_io/os2/filesys.c b/file_io/os2/filesys.c
new file mode 100644
index 000000000..5783a4a77
--- /dev/null
+++ b/file_io/os2/filesys.c
@@ -0,0 +1,174 @@
+/* ====================================================================
+ * The Apache Software License, Version 1.1
+ *
+ * Copyright (c) 2000-2001 The Apache Software Foundation.  All rights
+ * reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. The end-user documentation included with the redistribution,
+ *    if any, must include the following acknowledgment:
+ *       "This product includes software developed by the
+ *        Apache Software Foundation (http://www.apache.org/)."
+ *    Alternately, this acknowledgment may appear in the software itself,
+ *    if and wherever such third-party acknowledgments normally appear.
+ *
+ * 4. The names "Apache" and "Apache Software Foundation" must
+ *    not be used to endorse or promote products derived from this
+ *    software without prior written permission. For written
+ *    permission, please contact apache@apache.org.
+ *
+ * 5. Products derived from this software may not be called "Apache",
+ *    nor may "Apache" appear in their name, without prior written
+ *    permission of the Apache Software Foundation.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ */
+
+#include "apr.h"
+#include "fileio.h"
+#include "apr_strings.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,
+ /*   "                 *         /                      :   <   > ? */
+    1,0,1,1,1,1,1,1,1,1,0,1,1,1,1,1, 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 (subject to utf-8->Unicode xlation)  */
+    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 = 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_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(toupper(drive) - 'A', path+3, &bufsize);
+
+    if (rc) {
+        return APR_FROM_OS_ERROR(rc);
+    }
+
+    /* ###: We really should consider adding a flag to allow the user
+     * to have the APR_FILEPATH_NATIVE result
+     */
+    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)
+{
+    char path[APR_PATH_MAX];
+
+    strcpy(path, root);
+    if (path[1] == ':')
+        path[0] = toupper(path[0]);
+    *rootpath = apr_pstrdup(p, path);
+    return APR_SUCCESS;
+}
+
+
+APR_DECLARE(apr_status_t) apr_filepath_get(char **defpath, apr_pool_t *p)
+{
+    char path[APR_PATH_MAX];
+    ULONG drive;
+    ULONG drivemap;
+    ULONG rv, pathlen = sizeof(path) - 3;
+
+    DosQueryCurrentDisk(&drive, &drivemap);
+    path[0] = '@' + drive;
+    strcpy(path+1, ":\\");
+    rv = DosQueryCurrentDir(drive, path+3, &pathlen);
+
+    *defpath = apr_pstrdup(p, path);
+    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(toupper(path[0]) - '@');
+
+    if (rv == 0)
+        rv = DosSetCurrentDir(path);
+
+    return APR_FROM_OS_ERROR(rv);
+}
diff --git a/include/arch/os2/fileio.h b/include/arch/os2/fileio.h
index 324f30595..61b65b219 100644
--- a/include/arch/os2/fileio.h
+++ b/include/arch/os2/fileio.h
@@ -98,5 +98,14 @@ apr_status_t apr_file_cleanup(void *);
 apr_status_t apr_os2_time_to_apr_time(apr_time_t *result, FDATE os2date, 
                                       FTIME os2time);
 
+/* see win32/fileio.h for description of these */
+extern const char c_is_fnchar[256];
+
+#define IS_FNCHAR(c) c_is_fnchar[(unsigned char)c]
+
+apr_status_t filepath_root_test(char *path, apr_pool_t *p);
+apr_status_t filepath_drive_get(char **rootpath, char drive, apr_pool_t *p);
+apr_status_t filepath_root_case(char **rootpath, char *root, apr_pool_t *p);
+
 #endif  /* ! FILE_IO_H */