nsprpub/pr/src/misc/pripc.c@6474c204b198 (annotated)
nsprpub/pr/src/misc/pripc.c
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | /* |
| michael@0 | 7 | * File: pripc.c |
| michael@0 | 8 | * |
| michael@0 | 9 | * Description: functions for IPC support |
| michael@0 | 10 | */ |
| michael@0 | 11 | |
| michael@0 | 12 | #include "primpl.h" |
| michael@0 | 13 | |
| michael@0 | 14 | #include <string.h> |
| michael@0 | 15 | |
| michael@0 | 16 | /* |
| michael@0 | 17 | * A POSIX IPC name must begin with a '/'. |
| michael@0 | 18 | * A POSIX IPC name on Solaris cannot contain any '/' except |
| michael@0 | 19 | * the required leading '/'. |
| michael@0 | 20 | * A POSIX IPC name on HP-UX and OSF1 must be a valid pathname |
| michael@0 | 21 | * in the file system. |
| michael@0 | 22 | * |
| michael@0 | 23 | * The ftok() function for System V IPC requires a valid pathname |
| michael@0 | 24 | * in the file system. |
| michael@0 | 25 | * |
| michael@0 | 26 | * A Win32 IPC name cannot contain '\'. |
| michael@0 | 27 | */ |
| michael@0 | 28 | |
| michael@0 | 29 | static void _pr_ConvertSemName(char *result) |
| michael@0 | 30 | { |
| michael@0 | 31 | #ifdef _PR_HAVE_POSIX_SEMAPHORES |
| michael@0 | 32 | #if defined(SOLARIS) |
| michael@0 | 33 | char *p; |
| michael@0 | 34 | |
| michael@0 | 35 | /* Convert '/' to '_' except for the leading '/' */ |
| michael@0 | 36 | for (p = result+1; *p; p++) { |
| michael@0 | 37 | if (*p == '/') { |
| michael@0 | 38 | *p = '_'; |
| michael@0 | 39 | } |
| michael@0 | 40 | } |
| michael@0 | 41 | return; |
| michael@0 | 42 | #else |
| michael@0 | 43 | return; |
| michael@0 | 44 | #endif |
| michael@0 | 45 | #elif defined(_PR_HAVE_SYSV_SEMAPHORES) |
| michael@0 | 46 | return; |
| michael@0 | 47 | #elif defined(WIN32) |
| michael@0 | 48 | return; |
| michael@0 | 49 | #endif |
| michael@0 | 50 | } |
| michael@0 | 51 | |
| michael@0 | 52 | static void _pr_ConvertShmName(char *result) |
| michael@0 | 53 | { |
| michael@0 | 54 | #if defined(PR_HAVE_POSIX_NAMED_SHARED_MEMORY) |
| michael@0 | 55 | #if defined(SOLARIS) |
| michael@0 | 56 | char *p; |
| michael@0 | 57 | |
| michael@0 | 58 | /* Convert '/' to '_' except for the leading '/' */ |
| michael@0 | 59 | for (p = result+1; *p; p++) { |
| michael@0 | 60 | if (*p == '/') { |
| michael@0 | 61 | *p = '_'; |
| michael@0 | 62 | } |
| michael@0 | 63 | } |
| michael@0 | 64 | return; |
| michael@0 | 65 | #else |
| michael@0 | 66 | return; |
| michael@0 | 67 | #endif |
| michael@0 | 68 | #elif defined(PR_HAVE_SYSV_NAMED_SHARED_MEMORY) |
| michael@0 | 69 | return; |
| michael@0 | 70 | #elif defined(WIN32) |
| michael@0 | 71 | return; |
| michael@0 | 72 | #else |
| michael@0 | 73 | return; |
| michael@0 | 74 | #endif |
| michael@0 | 75 | } |
| michael@0 | 76 | |
| michael@0 | 77 | PRStatus _PR_MakeNativeIPCName( |
| michael@0 | 78 | const char *name, |
| michael@0 | 79 | char *result, |
| michael@0 | 80 | PRIntn size, |
| michael@0 | 81 | _PRIPCType type) |
| michael@0 | 82 | { |
| michael@0 | 83 | if (strlen(name) >= (PRSize)size) { |
| michael@0 | 84 | PR_SetError(PR_BUFFER_OVERFLOW_ERROR, 0); |
| michael@0 | 85 | return PR_FAILURE; |
| michael@0 | 86 | } |
| michael@0 | 87 | strcpy(result, name); |
| michael@0 | 88 | switch (type) { |
| michael@0 | 89 | case _PRIPCSem: |
| michael@0 | 90 | _pr_ConvertSemName(result); |
| michael@0 | 91 | break; |
| michael@0 | 92 | case _PRIPCShm: |
| michael@0 | 93 | _pr_ConvertShmName(result); |
| michael@0 | 94 | break; |
| michael@0 | 95 | default: |
| michael@0 | 96 | PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0); |
| michael@0 | 97 | return PR_FAILURE; |
| michael@0 | 98 | } |
| michael@0 | 99 | return PR_SUCCESS; |
| michael@0 | 100 | } |
