/* -*- 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 and OSF1 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; }