nsprpub/pr/tests/bigfile2.c@97036ab72558 (annotated)
nsprpub/pr/tests/bigfile2.c
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| 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 | #include "nspr.h" |
| michael@0 | 7 | |
| michael@0 | 8 | #include <stdio.h> |
| michael@0 | 9 | #include <stdlib.h> |
| michael@0 | 10 | #include <string.h> |
| michael@0 | 11 | #ifdef _WIN32 |
| michael@0 | 12 | #include <windows.h> |
| michael@0 | 13 | #endif |
| michael@0 | 14 | |
| michael@0 | 15 | #define TEST_FILE_NAME "bigfile2.txt" |
| michael@0 | 16 | #ifdef WINCE |
| michael@0 | 17 | #define TEST_FILE_NAME_FOR_CREATEFILE L"bigfile2.txt" |
| michael@0 | 18 | #else |
| michael@0 | 19 | #define TEST_FILE_NAME_FOR_CREATEFILE TEST_FILE_NAME |
| michael@0 | 20 | #endif |
| michael@0 | 21 | |
| michael@0 | 22 | #define MESSAGE "Hello world!" |
| michael@0 | 23 | #define MESSAGE_SIZE 13 |
| michael@0 | 24 | |
| michael@0 | 25 | int main(int argc, char **argv) |
| michael@0 | 26 | { |
| michael@0 | 27 | PRFileDesc *fd; |
| michael@0 | 28 | PRInt64 offset, position; |
| michael@0 | 29 | PRInt32 nbytes; |
| michael@0 | 30 | char buf[MESSAGE_SIZE]; |
| michael@0 | 31 | #ifdef _WIN32 |
| michael@0 | 32 | HANDLE hFile; |
| michael@0 | 33 | LARGE_INTEGER li; |
| michael@0 | 34 | #endif /* _WIN32 */ |
| michael@0 | 35 | |
| michael@0 | 36 | LL_I2L(offset, 1); |
| michael@0 | 37 | LL_SHL(offset, offset, 32); |
| michael@0 | 38 | |
| michael@0 | 39 | fd = PR_Open(TEST_FILE_NAME, |
| michael@0 | 40 | PR_WRONLY | PR_CREATE_FILE | PR_TRUNCATE, 0666); |
| michael@0 | 41 | if (fd == NULL) { |
| michael@0 | 42 | fprintf(stderr, "PR_Open failed\n"); |
| michael@0 | 43 | exit(1); |
| michael@0 | 44 | } |
| michael@0 | 45 | position = PR_Seek64(fd, offset, PR_SEEK_SET); |
| michael@0 | 46 | if (!LL_GE_ZERO(position)) { |
| michael@0 | 47 | fprintf(stderr, "PR_Seek64 failed\n"); |
| michael@0 | 48 | exit(1); |
| michael@0 | 49 | } |
| michael@0 | 50 | PR_ASSERT(LL_EQ(position, offset)); |
| michael@0 | 51 | strcpy(buf, MESSAGE); |
| michael@0 | 52 | nbytes = PR_Write(fd, buf, sizeof(buf)); |
| michael@0 | 53 | if (nbytes != sizeof(buf)) { |
| michael@0 | 54 | fprintf(stderr, "PR_Write failed\n"); |
| michael@0 | 55 | exit(1); |
| michael@0 | 56 | } |
| michael@0 | 57 | if (PR_Close(fd) == PR_FAILURE) { |
| michael@0 | 58 | fprintf(stderr, "PR_Close failed\n"); |
| michael@0 | 59 | exit(1); |
| michael@0 | 60 | } |
| michael@0 | 61 | |
| michael@0 | 62 | memset(buf, 0, sizeof(buf)); |
| michael@0 | 63 | |
| michael@0 | 64 | #ifdef _WIN32 |
| michael@0 | 65 | hFile = CreateFile(TEST_FILE_NAME_FOR_CREATEFILE, GENERIC_READ, 0, NULL, |
| michael@0 | 66 | OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); |
| michael@0 | 67 | if (hFile == INVALID_HANDLE_VALUE) { |
| michael@0 | 68 | fprintf(stderr, "CreateFile failed\n"); |
| michael@0 | 69 | exit(1); |
| michael@0 | 70 | } |
| michael@0 | 71 | li.QuadPart = offset; |
| michael@0 | 72 | li.LowPart = SetFilePointer(hFile, li.LowPart, &li.HighPart, FILE_BEGIN); |
| michael@0 | 73 | if (li.LowPart == 0xFFFFFFFF && GetLastError() != NO_ERROR) { |
| michael@0 | 74 | fprintf(stderr, "SetFilePointer failed\n"); |
| michael@0 | 75 | exit(1); |
| michael@0 | 76 | } |
| michael@0 | 77 | PR_ASSERT(li.QuadPart == offset); |
| michael@0 | 78 | if (ReadFile(hFile, buf, sizeof(buf), &nbytes, NULL) == 0) { |
| michael@0 | 79 | fprintf(stderr, "ReadFile failed\n"); |
| michael@0 | 80 | exit(1); |
| michael@0 | 81 | } |
| michael@0 | 82 | PR_ASSERT(nbytes == sizeof(buf)); |
| michael@0 | 83 | if (strcmp(buf, MESSAGE)) { |
| michael@0 | 84 | fprintf(stderr, "corrupt data:$%s$\n", buf); |
| michael@0 | 85 | exit(1); |
| michael@0 | 86 | } |
| michael@0 | 87 | if (CloseHandle(hFile) == 0) { |
| michael@0 | 88 | fprintf(stderr, "CloseHandle failed\n"); |
| michael@0 | 89 | exit(1); |
| michael@0 | 90 | } |
| michael@0 | 91 | #endif /* _WIN32 */ |
| michael@0 | 92 | |
| michael@0 | 93 | if (PR_Delete(TEST_FILE_NAME) == PR_FAILURE) { |
| michael@0 | 94 | fprintf(stderr, "PR_Delete failed\n"); |
| michael@0 | 95 | exit(1); |
| michael@0 | 96 | } |
| michael@0 | 97 | |
| michael@0 | 98 | printf("PASS\n"); |
| michael@0 | 99 | return 0; |
| michael@0 | 100 | } |
