/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/*
* File: pripc.c
*
* Description: functions for IPC support
*/
#include "primpl.h"
#include <string.h>
/*
* A POSIX IPC name must begin with a '/'.
* A POSIX IPC name on Solaris cannot contain any '/' except
* the required leading '/'.
* A POSIX IPC name on HP-UX must be a valid pathname
* in the file system.
*
* The ftok() function for System V IPC requires a valid pathname
* in the file system.
*
* A Win32 IPC name cannot contain '\'.
*/
static void _pr_ConvertSemName(
char* result) {
#ifdef _PR_HAVE_POSIX_SEMAPHORES
# if defined(SOLARIS)
char* p;
/* Convert '/' to '_' except for the leading '/' */
for (p = result + 1; *p; p++) {
if (*p ==
'/') {
*p =
'_';
}
}
return;
# else
return;
# endif
#elif defined(_PR_HAVE_SYSV_SEMAPHORES)
return;
#elif defined(WIN32)
return;
#endif
}
static void _pr_ConvertShmName(
char* result) {
#if defined(PR_HAVE_POSIX_NAMED_SHARED_MEMORY)
# if defined(SOLARIS)
char* p;
/* Convert '/' to '_' except for the leading '/' */
for (p = result + 1; *p; p++) {
if (*p ==
'/') {
*p =
'_';
}
}
return;
# else
return;
# endif
#elif defined(PR_HAVE_SYSV_NAMED_SHARED_MEMORY)
return;
#elif defined(WIN32)
return;
#else
return;
#endif
}
PRStatus _PR_MakeNativeIPCName(
const char* name,
char* result, PRIntn size,
_PRIPCType type) {
if (strlen(name) >= (PRSize)size) {
PR_SetError(PR_BUFFER_OVERFLOW_ERROR, 0);
return PR_FAILURE;
}
strcpy(result, name);
switch (type) {
case _PRIPCSem:
_pr_ConvertSemName(result);
break;
case _PRIPCShm:
_pr_ConvertShmName(result);
break;
default:
PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
return PR_FAILURE;
}
return PR_SUCCESS;
}
