void write(const char*first_file,int first_fd,char* write_buf) { printf("Write content %s to file %s .\n",write_buf,first_file); myfs_file_write(first_fd,write_buf,strlen(write_buf)); printf("-------------------------------------------------\n"); }
int main() { puts("Create filesystem 1MB filesystem => myfs_create()"); myfs_create("my_fs", 1*MB); puts("Create file test file => myfs_file_create()"); int create_fd = myfs_file_create("test"); // open the duplicate check after if(create_fd==-1) { puts("create file error"); exit(EXIT_FAILURE); } else myfs_file_close(create_fd); showPPT(); showEntries(5); puts(""); puts("Open file => myfs_file_open()"); int fd = myfs_file_open("test"); showPPT(); puts(""); puts("Read dog picture and write to test file => myfs_file_write()"); FILE *fp = fopen("dog.jpg", "rb"); char buf[100*KB]; int filesize = fread(buf, sizeof(char), 100*KB, fp); fclose(fp); fp = NULL; int ret = myfs_file_write(fd, buf, filesize); printf("Write = %d bytes\n", ret); puts("Read test file and write to cp_pic.jpg => myfs_file_read()"); char buf2[100*KB]; int ret2 = myfs_file_read(fd, buf2, filesize); printf("Read = %d bytes\n", ret2); fp = fopen("cp_pic.jpg", "wb+"); fwrite(buf2, sizeof(char), filesize, fp); fclose(fp); fp = NULL; puts(""); puts("Close test file => myfs_file_close()"); myfs_file_close(fd); showPPT(); puts(""); puts("Create file1 and file2"); myfs_file_create("file1"); myfs_file_create("file2"); puts(""); puts("Try to create file1 again"); if(myfs_file_create("file1")==-1) puts(" |=>The file already exist"); puts(""); puts("Delete file1 => myfs_file_delete()"); myfs_file_delete("file1"); puts(""); showEntries(5); puts("myfs_destroy()"); puts("Do you want to delete the filesystem? y/n"); char ch; ch = getchar(); if(ch=='y') myfs_destroy("my_fs"); return 0; }