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Hard disable old debug read/write file functions

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kimocoder 2019-08-16 18:47:04 +02:00
parent 2b143976ab
commit 84f5ceca14
1 changed files with 0 additions and 201 deletions
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201
os_dep/osdep_service.c
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@ -2101,200 +2101,6 @@ inline bool ATOMIC_INC_UNLESS(ATOMIC_T *v, int u)
#endif #endif
} }
#ifdef PLATFORM_LINUX
/*
* Open a file with the specific @param path, @param flag, @param mode
* @param fpp the pointer of struct file pointer to get struct file pointer while file opening is success
* @param path the path of the file to open
* @param flag file operation flags, please refer to linux document
* @param mode please refer to linux document
* @return Linux specific error code
*/
static int openFile(struct file **fpp, const char *path, int flag, int mode)
{
struct file *fp;
fp = filp_open(path, flag, mode);
if (IS_ERR(fp)) {
*fpp = NULL;
return PTR_ERR(fp);
} else {
*fpp = fp;
return 0;
}
}
/*
* Close the file with the specific @param fp
* @param fp the pointer of struct file to close
* @return always 0
*/
static int closeFile(struct file *fp)
{
filp_close(fp, NULL);
return 0;
}
static int readFile(struct file *fp, char *buf, int len)
{
int rlen = 0, sum = 0;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0))
if (!(fp->f_mode & FMODE_CAN_READ))
#else
if (!fp->f_op || !fp->f_op->read)
#endif
return -EPERM;
while (sum < len) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0))
rlen = kernel_read(fp, buf + sum, len - sum, &fp->f_pos);
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0))
rlen = __vfs_read(fp, buf + sum, len - sum, &fp->f_pos);
#else
rlen = fp->f_op->read(fp, buf + sum, len - sum, &fp->f_pos);
#endif
if (rlen > 0)
sum += rlen;
else if (0 != rlen)
return rlen;
else
break;
}
return sum;
}
static int writeFile(struct file *fp, char *buf, int len)
{
int wlen = 0, sum = 0;
if (!fp->f_op || !fp->f_op->write)
return -EPERM;
while (sum < len) {
wlen = fp->f_op->write(fp, buf + sum, len - sum, &fp->f_pos);
if (wlen > 0)
sum += wlen;
else if (0 != wlen)
return wlen;
else
break;
}
return sum;
}
/*
* Test if the specifi @param path is a file and readable
* If readable, @param sz is got
* @param path the path of the file to test
* @return Linux specific error code
*/
static int isFileReadable(const char *path, u32 *sz)
{
struct file *fp;
int ret = 0;
mm_segment_t oldfs;
char buf;
fp = filp_open(path, O_RDONLY, 0);
if (IS_ERR(fp))
ret = PTR_ERR(fp);
else {
oldfs = get_fs();
set_fs(get_ds());
if (1 != readFile(fp, &buf, 1))
ret = PTR_ERR(fp);
if (ret == 0 && sz) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0))
*sz = i_size_read(fp->f_path.dentry->d_inode);
#else
*sz = i_size_read(fp->f_dentry->d_inode);
#endif
}
set_fs(oldfs);
filp_close(fp, NULL);
}
return ret;
}
/*
* Open the file with @param path and retrive the file content into memory starting from @param buf for @param sz at most
* @param path the path of the file to open and read
* @param buf the starting address of the buffer to store file content
* @param sz how many bytes to read at most
* @return the byte we've read, or Linux specific error code
*/
static int retriveFromFile(const char *path, u8 *buf, u32 sz)
{
int ret = -1;
mm_segment_t oldfs;
struct file *fp;
if (path && buf) {
ret = openFile(&fp, path, O_RDONLY, 0);
if (0 == ret) {
RTW_INFO("%s openFile path:%s fp=%p\n", __FUNCTION__, path , fp);
oldfs = get_fs();
set_fs(get_ds());
ret = readFile(fp, buf, sz);
set_fs(oldfs);
closeFile(fp);
RTW_INFO("%s readFile, ret:%d\n", __FUNCTION__, ret);
} else
RTW_INFO("%s openFile path:%s Fail, ret:%d\n", __FUNCTION__, path, ret);
} else {
RTW_INFO("%s NULL pointer\n", __FUNCTION__);
ret = -EINVAL;
}
return ret;
}
/*
* Open the file with @param path and wirte @param sz byte of data starting from @param buf into the file
* @param path the path of the file to open and write
* @param buf the starting address of the data to write into file
* @param sz how many bytes to write at most
* @return the byte we've written, or Linux specific error code
*/
static int storeToFile(const char *path, u8 *buf, u32 sz)
{
int ret = 0;
mm_segment_t oldfs;
struct file *fp;
if (path && buf) {
ret = openFile(&fp, path, O_CREAT | O_WRONLY, 0666);
if (0 == ret) {
RTW_INFO("%s openFile path:%s fp=%p\n", __FUNCTION__, path , fp);
oldfs = get_fs();
set_fs(get_ds());
ret = writeFile(fp, buf, sz);
set_fs(oldfs);
closeFile(fp);
RTW_INFO("%s writeFile, ret:%d\n", __FUNCTION__, ret);
} else
RTW_INFO("%s openFile path:%s Fail, ret:%d\n", __FUNCTION__, path, ret);
} else {
RTW_INFO("%s NULL pointer\n", __FUNCTION__);
ret = -EINVAL;
}
return ret;
}
#endif /* PLATFORM_LINUX */
/* /*
* Test if the specifi @param path is a file and readable * Test if the specifi @param path is a file and readable
* @param path the path of the file to test * @param path the path of the file to test
@ -2314,15 +2120,8 @@ int rtw_is_file_readable(const char *path)
*/ */
int rtw_is_file_readable_with_size(const char *path, u32 *sz) int rtw_is_file_readable_with_size(const char *path, u32 *sz)
{ {
#ifdef PLATFORM_LINUX
if (isFileReadable(path, sz) == 0)
return _TRUE;
else
return _FALSE;
#else
/* Todo... */ /* Todo... */
return _FALSE; return _FALSE;
#endif
} }
/* /*