/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include "nspr.h" #include <stdio.h> #include <stdlib.h> #include <string.h> #ifdef _WIN32 #include <windows.h> #endif #define TEST_FILE_NAME "bigfile3.txt" #ifdef WINCE #define TEST_FILE_NAME_FOR_CREATEFILE L"bigfile3.txt" #else #define TEST_FILE_NAME_FOR_CREATEFILE TEST_FILE_NAME #endif #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_FOR_CREATEFILE, 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; }