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