/* -*- 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 #include #ifdef _WIN32 #include #endif #define TEST_FILE_NAME "m:\\bigfile2.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); fd = PR_Open(TEST_FILE_NAME, PR_WRONLY | PR_CREATE_FILE | PR_TRUNCATE, 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)); strcpy(buf, MESSAGE); nbytes = PR_Write(fd, buf, sizeof(buf)); if (nbytes != sizeof(buf)) { fprintf(stderr, "PR_Write failed\n"); exit(1); } if (PR_Close(fd) == PR_FAILURE) { fprintf(stderr, "PR_Close failed\n"); exit(1); } memset(buf, 0, sizeof(buf)); #ifdef _WIN32 hFile = CreateFile(TEST_FILE_NAME, GENERIC_READ, 0, NULL, OPEN_EXISTING, 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); if (ReadFile(hFile, buf, sizeof(buf), &nbytes, NULL) == 0) { fprintf(stderr, "ReadFile failed\n"); exit(1); } PR_ASSERT(nbytes == sizeof(buf)); if (strcmp(buf, MESSAGE)) { fprintf(stderr, "corrupt data:$%s$\n", buf); exit(1); } if (CloseHandle(hFile) == 0) { fprintf(stderr, "CloseHandle failed\n"); exit(1); } #endif /* _WIN32 */ if (PR_Delete(TEST_FILE_NAME) == PR_FAILURE) { fprintf(stderr, "PR_Delete failed\n"); exit(1); } printf("PASS\n"); return 0; }