pjs/nsprpub/pr/tests/bigfile3.c

107 строки
2.9 KiB
C

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "nspr.h"
#include <stdio.h>
#include <stdlib.h>
#ifdef _WIN32
#include <windows.h>
#endif
#define TEST_FILE_NAME "m:\\bigfile3.txt"
#define MESSAGE "Hello world!"
#define MESSAGE_SIZE 13
int main(int argc, char **argv)
{
PRFileDesc *fd;
PRInt64 offset, position;
PRInt32 nbytes;
char buf[MESSAGE_SIZE];
#ifdef _WIN32
HANDLE hFile;
LARGE_INTEGER li;
#endif /* _WIN32 */
LL_I2L(offset, 1);
LL_SHL(offset, offset, 32);
#ifdef _WIN32
hFile = CreateFile(TEST_FILE_NAME, GENERIC_WRITE, 0, NULL,
CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if (hFile == INVALID_HANDLE_VALUE) {
fprintf(stderr, "CreateFile failed\n");
exit(1);
}
li.QuadPart = offset;
li.LowPart = SetFilePointer(hFile, li.LowPart, &li.HighPart, FILE_BEGIN);
if (li.LowPart == 0xFFFFFFFF && GetLastError() != NO_ERROR) {
fprintf(stderr, "SetFilePointer failed\n");
exit(1);
}
PR_ASSERT(li.QuadPart == offset);
strcpy(buf, MESSAGE);
if (WriteFile(hFile, buf, sizeof(buf), &nbytes, NULL) == 0) {
fprintf(stderr, "WriteFile failed\n");
exit(1);
}
PR_ASSERT(nbytes == sizeof(buf));
if (CloseHandle(hFile) == 0) {
fprintf(stderr, "CloseHandle failed\n");
exit(1);
}
#endif /* _WIN32 */
memset(buf, 0, sizeof(buf));
fd = PR_Open(TEST_FILE_NAME, PR_RDONLY, 0666);
if (fd == NULL) {
fprintf(stderr, "PR_Open failed\n");
exit(1);
}
position = PR_Seek64(fd, offset, PR_SEEK_SET);
if (!LL_GE_ZERO(position)) {
fprintf(stderr, "PR_Seek64 failed\n");
exit(1);
}
PR_ASSERT(LL_EQ(position, offset));
nbytes = PR_Read(fd, buf, sizeof(buf));
if (nbytes != sizeof(buf)) {
fprintf(stderr, "PR_Read failed\n");
exit(1);
}
if (strcmp(buf, MESSAGE)) {
fprintf(stderr, "corrupt data:$%s$\n", buf);
exit(1);
}
if (PR_Close(fd) == PR_FAILURE) {
fprintf(stderr, "PR_Close failed\n");
exit(1);
}
if (PR_Delete(TEST_FILE_NAME) == PR_FAILURE) {
fprintf(stderr, "PR_Delete failed\n");
exit(1);
}
printf("PASS\n");
return 0;
}