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diff --git a/nsprpub/pr/src/misc/pripc.c b/nsprpub/pr/src/misc/pripc.c
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+/* -*- 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;
+}