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 "bigfile2.txt"
16 #ifdef WINCE
17 #define TEST_FILE_NAME_FOR_CREATEFILE   L"bigfile2.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 
main(int argc,char ** argv)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     fd = PR_Open(TEST_FILE_NAME,
40             PR_WRONLY | PR_CREATE_FILE | PR_TRUNCATE, 0666);
41     if (fd == NULL) {
42         fprintf(stderr, "PR_Open failed\n");
43         exit(1);
44     }
45     position = PR_Seek64(fd, offset, PR_SEEK_SET);
46     if (!LL_GE_ZERO(position)) {
47         fprintf(stderr, "PR_Seek64 failed\n");
48         exit(1);
49     }
50     PR_ASSERT(LL_EQ(position, offset));
51     strcpy(buf, MESSAGE);
52     nbytes = PR_Write(fd, buf, sizeof(buf));
53     if (nbytes != sizeof(buf)) {
54         fprintf(stderr, "PR_Write failed\n");
55         exit(1);
56     }
57     if (PR_Close(fd) == PR_FAILURE) {
58         fprintf(stderr, "PR_Close failed\n");
59         exit(1);
60     }
61 
62     memset(buf, 0, sizeof(buf));
63 
64 #ifdef _WIN32
65     hFile = CreateFile(TEST_FILE_NAME_FOR_CREATEFILE, GENERIC_READ, 0, NULL,
66             OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
67     if (hFile == INVALID_HANDLE_VALUE) {
68         fprintf(stderr, "CreateFile failed\n");
69         exit(1);
70     }
71     li.QuadPart = offset;
72     li.LowPart = SetFilePointer(hFile, li.LowPart, &li.HighPart, FILE_BEGIN);
73     if (li.LowPart == 0xFFFFFFFF && GetLastError() != NO_ERROR) {
74         fprintf(stderr, "SetFilePointer failed\n");
75         exit(1);
76     }
77     PR_ASSERT(li.QuadPart == offset);
78     if (ReadFile(hFile, buf, sizeof(buf), &nbytes, NULL) == 0) {
79         fprintf(stderr, "ReadFile failed\n");
80         exit(1);
81     }
82     PR_ASSERT(nbytes == sizeof(buf));
83     if (strcmp(buf, MESSAGE)) {
84         fprintf(stderr, "corrupt data:$%s$\n", buf);
85         exit(1);
86     }
87     if (CloseHandle(hFile) == 0) {
88         fprintf(stderr, "CloseHandle failed\n");
89         exit(1);
90     }
91 #endif /* _WIN32 */
92 
93     if (PR_Delete(TEST_FILE_NAME) == PR_FAILURE) {
94         fprintf(stderr, "PR_Delete failed\n");
95         exit(1);
96     }
97 
98     printf("PASS\n");
99     return 0;
100 }
101