xiaoxiang781216 commented on code in PR #3665: URL: https://github.com/apache/nuttx-apps/pull/3665#discussion_r3653971536
########## testing/fs/xipfs/xipfs_main.c: ########## @@ -0,0 +1,2032 @@ +/**************************************************************************** + * apps/testing/fs/xipfs/xipfs_main.c + * + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <sys/ioctl.h> +#include <sys/mman.h> +#include <sys/mount.h> +#include <sys/stat.h> +#include <sys/wait.h> + +#include <dirent.h> +#include <errno.h> +#include <fcntl.h> +#include <malloc.h> +#include <sched.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include <nuttx/fs/ioctl.h> +#include <nuttx/fs/xipfs.h> + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +#define MOUNTPT CONFIG_TESTING_FS_XIPFS_MOUNTPT +#define MTDDEV CONFIG_TESTING_FS_XIPFS_MTD + +#define PATH(name) MOUNTPT "/" name + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +static int g_passed; +static int g_failed; +static FAR uint8_t *g_buffer; +static size_t g_bufsize = 16384; + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +static void report(FAR const char *name, bool ok, FAR const char *detail) +{ + if (ok) + { + g_passed++; + printf(" PASS %s\n", name); + } + else + { + g_failed++; + printf(" FAIL %s: %s\n", name, detail ? detail : ""); + } +} + +#define CHECK(name, cond, detail) report((name), (cond), (detail)) + +/**************************************************************************** + * Name: remount + * + * Description: + * Discard every scrap of in-RAM filesystem state and mount again from the + * medium. Because the rammtd buffer survives, this is exactly what a + * reboot looks like to the filesystem, which is what makes the power loss + * sweep below meaningful without restarting the simulator. + * + ****************************************************************************/ + +static int remount(void) +{ + int ret; + + ret = umount(MOUNTPT); + if (ret < 0 && errno != ENOENT && errno != EINVAL) + { + printf(" umount failed: %d\n", errno); + return -errno; + } + + ret = mount(MTDDEV, MOUNTPT, "xipfs", 0, NULL); + if (ret < 0) + { + return -errno; + } + + return 0; +} + +/**************************************************************************** + * Name: fill_pattern + ****************************************************************************/ + +static void fill_pattern(FAR uint8_t *buf, size_t len, uint8_t seed) +{ + size_t i; + + for (i = 0; i < len; i++) + { + buf[i] = (uint8_t)(seed + (i * 7)); + } +} + +/**************************************************************************** + * Name: create_file + * + * Description: + * Create a file of a known size. ftruncate is how the exact size is + * declared up front, which is what lets the filesystem reserve the exact + * contiguous extent rather than over-reserving and trimming. + * + ****************************************************************************/ + +static int create_file(FAR const char *path, size_t len, uint8_t seed) +{ + ssize_t nwritten; + int fd; + int ret = 0; + + fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644); + if (fd < 0) + { + return -errno; + } + + if (ftruncate(fd, len) < 0) + { + ret = -errno; + goto out; + } + + fill_pattern(g_buffer, len, seed); + + nwritten = write(fd, g_buffer, len); + if (nwritten != (ssize_t)len) Review Comment: I suppose that the build system doesn't enable sign mismatch comparison warning? -- This is an automated message from the Apache Git Service. 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