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Fix #1014, resolve discrepancies between filesys API and unit tests #1057

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Jun 10, 2021
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Fix #1014, resolve discrepancies between filesys API and unit tests #1057

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66 changes: 37 additions & 29 deletions src/os/inc/osapi-filesys.h
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Original file line number Diff line number Diff line change
Expand Up @@ -80,10 +80,11 @@ typedef struct
* OS_FileSysAddFixedMap(&fs_id, "/", "/root");
*
* @param[out] filesys_id A non-zero OSAL ID reflecting the file system
* @param[in] phys_path The native system directory (an existing mount point)
* @param[in] virt_path The virtual mount point of this filesystem
* @param[in] phys_path The native system directory (an existing mount point) @nonnull
* @param[in] virt_path The virtual mount point of this filesystem @nonnull
*
* @return Execution status, see @ref OSReturnCodes
* @retval #OS_SUCCESS @copybrief OS_SUCCESS
* @retval #OS_FS_ERR_PATH_TOO_LONG if the overall phys_path is too long
* @retval #OS_ERR_NAME_TOO_LONG if the phys_path basename (filesystem name) is too long
* @retval #OS_INVALID_POINTER if any argument is NULL
Expand All @@ -104,16 +105,17 @@ int32 OS_FileSysAddFixedMap(osal_id_t *filesys_id, const char *phys_path, const
*
* @param[in] address The address at which to start the new disk. If address == 0
* space will be allocated by the OS.
* @param[in] devname The underlying kernel device to use, if applicable.
* @param[in] volname The name of the volume (see note)
* @param[in] devname The underlying kernel device to use, if applicable. @nonnull
* @param[in] volname The name of the volume (see note) @nonnull
* @param[in] blocksize The size of a single block on the drive
* @param[in] numblocks The number of blocks to allocate for the drive
*
* @return Execution status, see @ref OSReturnCodes
* @retval #OS_INVALID_POINTER if devname is NULL
* @retval #OS_FS_ERR_DRIVE_NOT_CREATED if the OS calls to create the the drive failed
* @retval #OS_SUCCESS @copybrief OS_SUCCESS
* @retval #OS_INVALID_POINTER if devname or volname is NULL
* @retval #OS_FS_ERR_PATH_TOO_LONG if the overall devname or volname is too long
* @retval #OS_FS_ERR_DEVICE_NOT_FREE if the volume table is full
* @retval #OS_SUCCESS on creating the disk
* @retval #OS_FS_ERR_DRIVE_NOT_CREATED if an unexpected/unhandled OS error occurs @covtest
*/
int32 OS_mkfs(char *address, const char *devname, const char *volname, size_t blocksize, osal_blockcount_t numblocks);

Expand All @@ -123,13 +125,15 @@ int32 OS_mkfs(char *address, const char *devname, const char *volname, size_t bl
*
* Mounts a file system / block device at the given mount point.
*
* @param[in] devname The name of the drive to mount. devname is the same from #OS_mkfs
* @param[in] mountpoint The name to call this disk from now on
* @param[in] devname The name of the drive to mount. devname is the same from #OS_mkfs @nonnull
* @param[in] mountpoint The name to call this disk from now on @nonnull
*
* @return Execution status, see @ref OSReturnCodes
* @retval #OS_SUCCESS @copybrief OS_SUCCESS
* @retval #OS_ERR_NAME_NOT_FOUND if the device name does not exist in OSAL
* @retval #OS_FS_ERR_PATH_TOO_LONG if the mount point string is too long
* @retval #OS_INVALID_POINTER if any argument is NULL
* @retval #OS_ERROR if an unexpected/unhandled OS error occurs @covtest
*/
int32 OS_mount(const char *devname, const char *mountpoint);

Expand All @@ -146,8 +150,8 @@ int32 OS_mount(const char *devname, const char *mountpoint);
*
* @param[in] address The address at which to start the new disk. If address == 0,
* then space will be allocated by the OS
* @param[in] devname The underlying kernel device to use, if applicable.
* @param[in] volname The name of the volume (see note)
* @param[in] devname The underlying kernel device to use, if applicable. @nonnull
* @param[in] volname The name of the volume (see note) @nonnull
* @param[in] blocksize The size of a single block on the drive
* @param[in] numblocks The number of blocks to allocate for the drive
*
Expand All @@ -156,7 +160,7 @@ int32 OS_mount(const char *devname, const char *mountpoint);
* @retval #OS_INVALID_POINTER if devname or volname are NULL
* @retval #OS_FS_ERR_PATH_TOO_LONG if the name is too long
* @retval #OS_FS_ERR_DEVICE_NOT_FREE if the volume table is full
* @retval #OS_FS_ERR_DRIVE_NOT_CREATED on error
* @retval #OS_FS_ERR_DRIVE_NOT_CREATED if an unexpected/unhandled OS error occurs @covtest
*/
int32 OS_initfs(char *address, const char *devname, const char *volname, size_t blocksize, osal_blockcount_t numblocks);

Expand All @@ -167,14 +171,14 @@ int32 OS_initfs(char *address, const char *devname, const char *volname, size_t
* This function will remove or un-map the target file system. Note that this is not
* the same as un-mounting the file system.
*
* @param[in] devname The name of the "generic" drive
* @param[in] devname The name of the "generic" drive @nonnull
*
* @return Execution status, see @ref OSReturnCodes
* @retval #OS_SUCCESS @copybrief OS_SUCCESS
* @retval #OS_INVALID_POINTER if devname is NULL
* @retval #OS_FS_ERR_PATH_TOO_LONG if the devname is too long
* @retval #OS_ERR_NAME_NOT_FOUND if the devname does not exist in OSAL
* @retval #OS_ERROR is the drive specified cannot be located
* @retval #OS_ERROR if an unexpected/unhandled OS error occurs @covtest
*/
int32 OS_rmfs(const char *devname);

Expand All @@ -188,14 +192,14 @@ int32 OS_rmfs(const char *devname);
* @note Any open file descriptors referencing this file system should
* be closed prior to unmounting a drive
*
* @param[in] mountpoint The mount point to remove from #OS_mount
* @param[in] mountpoint The mount point to remove from #OS_mount @nonnull
*
* @return Execution status, see @ref OSReturnCodes
* @retval #OS_SUCCESS @copybrief OS_SUCCESS
* @retval #OS_INVALID_POINTER if name is NULL
* @retval #OS_FS_ERR_PATH_TOO_LONG if the absolute path given is too long
* @retval #OS_ERR_NAME_NOT_FOUND if the mountpoint is not mounted in OSAL
* @retval #OS_ERROR if the OS calls failed
* @retval #OS_ERROR if an unexpected/unhandled OS error occurs @covtest
*/
int32 OS_unmount(const char *mountpoint);

Expand All @@ -213,14 +217,14 @@ int32 OS_unmount(const char *mountpoint);
* OS_fsBytesFree() is determined by multiplying blocks_free
* by the block_size member
*
* @param[in] name The device/path to operate on
* @param[out] statbuf Output structure to populate
* @param[in] name The device/path to operate on @nonnull
* @param[out] statbuf Output structure to populate @nonnull
*
* @return Execution status, see @ref OSReturnCodes
* @retval #OS_SUCCESS @copybrief OS_SUCCESS
* @retval #OS_INVALID_POINTER if name or statbuf is NULL
* @retval #OS_FS_ERR_PATH_TOO_LONG if the name is too long
* @retval #OS_ERROR if the OS call failed
* @retval #OS_ERROR if an unexpected/unhandled OS error occurs @covtest
*/
int32 OS_FileSysStatVolume(const char *name, OS_statvfs_t *statbuf);

Expand All @@ -230,17 +234,19 @@ int32 OS_FileSysStatVolume(const char *name, OS_statvfs_t *statbuf);
*
* Checks the drives for inconsistencies and optionally also repairs it
*
* @note not all operating systems implement this function
* @note not all operating systems implement this function. If the underlying
* OS does not provide a facility to check the volume, then OS_ERR_NOT_IMPLEMENTED
* will be returned.
*
* @param[in] name The device/path to operate on
* @param[in] name The device/path to operate on @nonnull
* @param[in] repair Whether to also repair inconsistencies
*
* @return Execution status, see @ref OSReturnCodes
* @retval #OS_SUCCESS @copybrief OS_SUCCESS
* @retval #OS_SUCCESS @copybrief OS_SUCCESS @covtest
* @retval #OS_INVALID_POINTER Name is NULL
* @retval #OS_ERR_NOT_IMPLEMENTED @copybrief OS_ERR_NOT_IMPLEMENTED
* @retval #OS_FS_ERR_PATH_TOO_LONG if the name is too long
* @retval #OS_ERROR @copybrief OS_ERROR
* @retval #OS_ERROR @copybrief OS_ERROR @covtest
*/
int32 OS_chkfs(const char *name, bool repair);

Expand All @@ -251,15 +257,14 @@ int32 OS_chkfs(const char *name, bool repair);
* Returns the name of the physical volume associated with the drive,
* when given the OSAL mount point of the drive
*
* @param[out] PhysDriveName Buffer to store physical drive name
* @param[in] MountPoint OSAL mount point
* @param[out] PhysDriveName Buffer to store physical drive name @nonnull
* @param[in] MountPoint OSAL mount point @nonnull
*
* @return Execution status, see @ref OSReturnCodes
* @retval #OS_SUCCESS @copybrief OS_SUCCESS
* @retval #OS_INVALID_POINTER if either parameter is NULL
* @retval #OS_ERR_NAME_NOT_FOUND if the MountPoint is not mounted in OSAL
* @retval #OS_FS_ERR_PATH_TOO_LONG if the MountPoint is too long
* @retval #OS_ERROR if the mountpoint could not be found
*/
int32 OS_FS_GetPhysDriveName(char *PhysDriveName, const char *MountPoint);

Expand All @@ -269,8 +274,11 @@ int32 OS_FS_GetPhysDriveName(char *PhysDriveName, const char *MountPoint);
*
* Translates a virtual path to an actual system path name
*
* @param[in] VirtualPath OSAL virtual path name
* @param[out] LocalPath Buffer to store native/translated path name
* @note The buffer provided in the LocalPath argument is required to be at
* least OS_MAX_PATH_LEN characters in length.
*
* @param[in] VirtualPath OSAL virtual path name @nonnull
* @param[out] LocalPath Buffer to store native/translated path name @nonnull
*
* @return Execution status, see @ref OSReturnCodes
* @retval #OS_SUCCESS @copybrief OS_SUCCESS
Expand All @@ -288,7 +296,7 @@ int32 OS_TranslatePath(const char *VirtualPath, char *LocalPath);
* Returns information about the file system in an os_fsinfo_t.
* This includes the number of open files and file systems
*
* @param[out] filesys_info Buffer to store filesystem information
* @param[out] filesys_info Buffer to store filesystem information @nonnull
*
* @return Execution status, see @ref OSReturnCodes
* @retval #OS_SUCCESS @copybrief OS_SUCCESS
Expand Down
19 changes: 18 additions & 1 deletion src/tests/file-sys-add-fixed-map-api-test/file-sys-add-fixed-map-api-test.c
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Original file line number Diff line number Diff line change
Expand Up @@ -41,7 +41,8 @@ void TestFileSysAddFixedMapApi(void)
int32 expected;
int32 actual;
osal_id_t fs_id;
char translated_path[OS_MAX_LOCAL_PATH_LEN];
char translated_path[OS_MAX_LOCAL_PATH_LEN + 5];
char long_path[OS_MAX_PATH_LEN + 5];

/* Test for nominal inputs */

Expand Down Expand Up @@ -87,6 +88,22 @@ void TestFileSysAddFixedMapApi(void)
actual = OS_FileSysAddFixedMap(NULL, "./test", NULL);
UtAssert_True(actual == expected, "OS_FileSysAddFixedMap() (%ld) == OS_INVALID_POINTER", (long)actual);

/* Test names too long (phys_path and virt_path have different limits) */
memset(long_path, 'x', sizeof(long_path) - 1);
long_path[sizeof(long_path) - 1] = 0;
long_path[0] = '/';

memset(translated_path, 'y', sizeof(translated_path) - 1);
translated_path[sizeof(translated_path) - 1] = 0;
translated_path[0] = '/';

UtAssert_INT32_EQ(OS_FileSysAddFixedMap(&fs_id, "./test", long_path), OS_FS_ERR_PATH_TOO_LONG);
UtAssert_INT32_EQ(OS_FileSysAddFixedMap(&fs_id, translated_path, "/test"), OS_FS_ERR_PATH_TOO_LONG);

/* create a path where only the "name" part is too long, but the overall path length is within limit */
translated_path[OS_MAX_LOCAL_PATH_LEN - 1] = 0;
UtAssert_INT32_EQ(OS_FileSysAddFixedMap(&fs_id, translated_path, "/test"), OS_ERR_NAME_TOO_LONG);

} /* end TestFileSysAddFixedMapApi */

void UtTest_Setup(void)
Expand Down
11 changes: 10 additions & 1 deletion src/unit-tests/osfilesys-test/ut_osfilesys_diskio_test.c
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Original file line number Diff line number Diff line change
Expand Up @@ -354,13 +354,14 @@ void UT_os_removefs_test()
/* #2 Invalid-device-arg */

UT_RETVAL(OS_rmfs(g_devNames[2]), OS_ERR_NAME_NOT_FOUND);
UT_RETVAL(OS_rmfs(g_fsLongName), OS_FS_ERR_PATH_TOO_LONG);

/*-----------------------------------------------------*/
/* #3 Nominal */

UT_NOMINAL(OS_mkfs(g_fsAddrPtr, g_devNames[3], g_volNames[3], g_blkSize, g_blkCnt));

UT_TEARDOWN(OS_rmfs(g_devNames[3]));
UT_NOMINAL(OS_rmfs(g_devNames[3]));

UT_NOMINAL(OS_mkfs(g_fsAddrPtr, g_devNames[3], g_volNames[3], g_blkSize, g_blkCnt));

Expand Down Expand Up @@ -438,6 +439,7 @@ void UT_os_mount_test()
{
UT_NOMINAL(OS_mount(g_devNames[3], g_mntNames[3]));
UT_RETVAL(OS_mount(g_devNames[3], g_mntNames[3]), OS_ERR_NAME_NOT_FOUND);
UT_RETVAL(OS_mount(g_devNames[3], g_fsLongName), OS_FS_ERR_PATH_TOO_LONG);

/* Reset test environment */
UT_TEARDOWN(OS_unmount(g_mntNames[3]));
Expand Down Expand Up @@ -724,6 +726,7 @@ void UT_os_getfsinfo_test(void)
void UT_os_translatepath_test()
{
char localPath[UT_OS_LOCAL_PATH_BUFF_SIZE];
char virtPath[OS_MAX_PATH_LEN];

/*-----------------------------------------------------*/
/* #1 Null-pointer-arg */
Expand All @@ -736,6 +739,12 @@ void UT_os_translatepath_test()

UT_RETVAL(OS_TranslatePath(g_fsLongName, localPath), OS_FS_ERR_PATH_TOO_LONG);

/* create a path where only the name part is too long */
memset(virtPath, 'z', sizeof(virtPath) - 1);
virtPath[sizeof(virtPath) - 1] = 0;
virtPath[0] = '/';
UT_RETVAL(OS_TranslatePath(virtPath, localPath), OS_FS_ERR_NAME_TOO_LONG);

/*-----------------------------------------------------*/
/* #3 Invalid-virtual-path-arg */

Expand Down