nsprpub/pr/tests/bigfile3.c

   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 #include "nspr.h"
   7
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11 #ifdef _WIN32
  12 #include <windows.h>
  13 #endif
  14
  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
  21
  22 #define MESSAGE "Hello world!"
  23 #define MESSAGE_SIZE 13
  24
  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 */
  35
  36     LL_I2L(offset, 1);
  37     LL_SHL(offset, offset, 32);
  38
  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 */
  64
  65     memset(buf, 0, sizeof(buf));
  66
  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     }
  91
  92     if (PR_Delete(TEST_FILE_NAME) == PR_FAILURE) {
  93         fprintf(stderr, "PR_Delete failed\n");
  94         exit(1);
  95     }
  96
  97     printf("PASS\n");
  98     return 0;
  99 }