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 : *
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6 : * 1.1 (the "License"); you may not use this file except in compliance with
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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.
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22 : * Contributor(s):
23 : *
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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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