LCOV - code coverage report
Current view: directory - nsprpub/pr/src/misc - pripc.c (source / functions) Found Hit Coverage
Test: app.info Lines: 15 0 0.0 %
Date: 2012-06-02 Functions: 3 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is the Netscape Portable Runtime (NSPR).
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 1999-2000
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      26                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : 
      38                 : /*
      39                 :  * File: pripc.c
      40                 :  *
      41                 :  * Description: functions for IPC support
      42                 :  */
      43                 : 
      44                 : #include "primpl.h"
      45                 : 
      46                 : #include <string.h>
      47                 : 
      48                 : /*
      49                 :  * A POSIX IPC name must begin with a '/'.
      50                 :  * A POSIX IPC name on Solaris cannot contain any '/' except
      51                 :  * the required leading '/'.
      52                 :  * A POSIX IPC name on HP-UX and OSF1 must be a valid pathname
      53                 :  * in the file system.
      54                 :  *
      55                 :  * The ftok() function for System V IPC requires a valid pathname
      56                 :  * in the file system.
      57                 :  *
      58                 :  * A Win32 IPC name cannot contain '\'.
      59                 :  */
      60                 : 
      61               0 : static void _pr_ConvertSemName(char *result)
      62                 : {
      63                 : #ifdef _PR_HAVE_POSIX_SEMAPHORES
      64                 : #if defined(SOLARIS)
      65                 :     char *p;
      66                 : 
      67                 :     /* Convert '/' to '_' except for the leading '/' */
      68                 :     for (p = result+1; *p; p++) {
      69                 :         if (*p == '/') {
      70                 :             *p = '_';
      71                 :         }
      72                 :     }
      73                 :     return;
      74                 : #else
      75                 :     return;
      76                 : #endif
      77                 : #elif defined(_PR_HAVE_SYSV_SEMAPHORES)
      78                 :     return;
      79                 : #elif defined(WIN32)
      80                 :     return;
      81                 : #endif
      82                 : }
      83                 : 
      84               0 : static void _pr_ConvertShmName(char *result)
      85                 : {
      86                 : #if defined(PR_HAVE_POSIX_NAMED_SHARED_MEMORY)
      87                 : #if defined(SOLARIS)
      88                 :     char *p;
      89                 : 
      90                 :     /* Convert '/' to '_' except for the leading '/' */
      91                 :     for (p = result+1; *p; p++) {
      92                 :         if (*p == '/') {
      93                 :             *p = '_';
      94                 :         }
      95                 :     }
      96                 :     return;
      97                 : #else
      98                 :     return;
      99                 : #endif
     100                 : #elif defined(PR_HAVE_SYSV_NAMED_SHARED_MEMORY)
     101                 :     return;
     102                 : #elif defined(WIN32)
     103                 :     return;
     104                 : #else
     105                 :     return;
     106                 : #endif
     107                 : }
     108                 : 
     109               0 : PRStatus _PR_MakeNativeIPCName(
     110                 :     const char *name,
     111                 :     char *result,
     112                 :     PRIntn size,
     113                 :     _PRIPCType type)
     114                 : {
     115               0 :     if (strlen(name) >= (PRSize)size) {
     116               0 :         PR_SetError(PR_BUFFER_OVERFLOW_ERROR, 0);
     117               0 :         return PR_FAILURE;
     118                 :     }
     119               0 :     strcpy(result, name);
     120               0 :     switch (type) {
     121                 :         case _PRIPCSem:
     122               0 :             _pr_ConvertSemName(result);
     123               0 :             break;
     124                 :         case _PRIPCShm:
     125               0 :             _pr_ConvertShmName(result);
     126               0 :             break;
     127                 :         default:
     128               0 :             PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
     129               0 :             return PR_FAILURE;
     130                 :     }
     131               0 :     return PR_SUCCESS;
     132                 : }

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