The Tor Browser: nsprpub/pr/tests/bigfile3.c@ca08bd8f51b2

     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/. */

     6 #include "nspr.h"

     8 #include <stdio.h>

     9 #include <stdlib.h>

    10 #include <string.h>

    11 #ifdef _WIN32

    12 #include <windows.h>

    13 #endif

    15 #define TEST_FILE_NAME "bigfile3.txt"

    16 #ifdef WINCE

    17 #define TEST_FILE_NAME_FOR_CREATEFILE   L"bigfile3.txt"

    18 #else

    19 #define TEST_FILE_NAME_FOR_CREATEFILE   TEST_FILE_NAME

    20 #endif

    22 #define MESSAGE "Hello world!"

    23 #define MESSAGE_SIZE 13

    25 int main(int argc, char **argv)

    26 {

    27     PRFileDesc *fd;

    28     PRInt64 offset, position;

    29     PRInt32 nbytes;

    30     char buf[MESSAGE_SIZE];

    31 #ifdef _WIN32

    32     HANDLE hFile;

    33     LARGE_INTEGER li;

    34 #endif /* _WIN32 */

    36     LL_I2L(offset, 1);

    37     LL_SHL(offset, offset, 32);

    39 #ifdef _WIN32

    40     hFile = CreateFile(TEST_FILE_NAME_FOR_CREATEFILE, GENERIC_WRITE, 0, NULL,

    41             CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);

    42     if (hFile == INVALID_HANDLE_VALUE) {

    43         fprintf(stderr, "CreateFile failed\n");

    44         exit(1);

    45     }

    46     li.QuadPart = offset;

    47     li.LowPart = SetFilePointer(hFile, li.LowPart, &li.HighPart, FILE_BEGIN);

    48     if (li.LowPart == 0xFFFFFFFF && GetLastError() != NO_ERROR) {

    49         fprintf(stderr, "SetFilePointer failed\n");

    50         exit(1);

    51     }

    52     PR_ASSERT(li.QuadPart == offset);

    53     strcpy(buf, MESSAGE);

    54     if (WriteFile(hFile, buf, sizeof(buf), &nbytes, NULL) == 0) {

    55         fprintf(stderr, "WriteFile failed\n");

    56         exit(1);

    57     }

    58     PR_ASSERT(nbytes == sizeof(buf));

    59     if (CloseHandle(hFile) == 0) {

    60         fprintf(stderr, "CloseHandle failed\n");

    61         exit(1);

    62     }

    63 #endif /* _WIN32 */

    65     memset(buf, 0, sizeof(buf));

    67     fd = PR_Open(TEST_FILE_NAME, PR_RDONLY, 0666);

    68     if (fd == NULL) {

    69         fprintf(stderr, "PR_Open failed\n");

    70         exit(1);

    71     }

    72     position = PR_Seek64(fd, offset, PR_SEEK_SET);

    73     if (!LL_GE_ZERO(position)) {

    74         fprintf(stderr, "PR_Seek64 failed\n");

    75         exit(1);

    76     }

    77     PR_ASSERT(LL_EQ(position, offset));

    78     nbytes = PR_Read(fd, buf, sizeof(buf));

    79     if (nbytes != sizeof(buf)) {

    80         fprintf(stderr, "PR_Read failed\n");

    81         exit(1);

    82     }

    83     if (strcmp(buf, MESSAGE)) {

    84         fprintf(stderr, "corrupt data:$%s$\n", buf);

    85         exit(1);

    86     }

    87     if (PR_Close(fd) == PR_FAILURE) {

    88         fprintf(stderr, "PR_Close failed\n");

    89         exit(1);

    90     }

    92     if (PR_Delete(TEST_FILE_NAME) == PR_FAILURE) {

    93         fprintf(stderr, "PR_Delete failed\n");

    94         exit(1);

    95     }

    97     printf("PASS\n");

    98     return 0;

    99 }

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