cvs commit: apr/file_io/netware mktemp.c

[bn...@apache.org]

bnicholes    2004/03/16 16:20:59

  Added:       file_io/netware mktemp.c
  Log:
  Implement apr_file_mktemp() for NetWare to avoid problems with exclusive file locking
  
  Revision  Changes    Path
  1.1                  apr/file_io/netware/mktemp.c
  
  Index: mktemp.c
  ===================================================================
  /* Copyright 2000-2004 The Apache Software Foundation
   *
   * Licensed 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_private.h"
  #include "apr_file_io.h" /* prototype of apr_mkstemp() */
  #include "apr_strings.h" /* prototype of apr_mkstemp() */
  #include "apr_arch_file_io.h" /* prototype of apr_mkstemp() */
  #include "apr_portable.h" /* for apr_os_file_put() */
  
  #include <stdlib.h> /* for mkstemp() - Single Unix */
  
  APR_DECLARE(apr_status_t) apr_file_mktemp(apr_file_t **fp, char *template, apr_int32_t flags, apr_pool_t *p)
  {
      int fd;
      apr_status_t rv;
  
      flags = (!flags) ? APR_CREATE | APR_READ | APR_WRITE |  
                         APR_DELONCLOSE : flags;
  
      fd = mkstemp(template);
      if (fd == -1) {
          return errno;
      }
      /* We need to reopen the file to get rid of the o_excl flag.
       * Otherwise file locking will not allow the file to be shared.
       */
      close(fd);
      if ((rv = apr_file_open(fp, template, flags|APR_FILE_NOCLEANUP,
                              APR_UREAD | APR_UWRITE, p)) == APR_SUCCESS) {
  
          apr_pool_cleanup_register((*fp)->pool, (void *)(*fp),
                                    apr_unix_file_cleanup, apr_unix_file_cleanup);
      }
  
      return rv;
  }