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yaffs direct: Fix opening of a directory.
[yaffs2.git]
/
direct
/
yaffsfs.c
diff --git
a/direct/yaffsfs.c
b/direct/yaffsfs.c
index 3cb11a92a3c4675ec4220cad03e4378625168ec1..8593cbe72d82bb1745396c43fdf5f8a3873009d0 100644
(file)
--- a/
direct/yaffsfs.c
+++ b/
direct/yaffsfs.c
@@
-19,6
+19,7
@@
#include "string.h"
#include "string.h"
+#define YAFFS_MAX_RW_SIZE 0x70000000
#define YAFFSFS_MAX_SYMLINK_DEREFERENCES 5
#ifndef NULL
#define YAFFSFS_MAX_SYMLINK_DEREFERENCES 5
#ifndef NULL
@@
-892,12
+893,14
@@
int yaffs_open_sharing_reldir(struct yaffs_obj *reldir, const YCHAR *path,
is_dir = (obj->variant_type ==
YAFFS_OBJECT_TYPE_DIRECTORY);
is_dir = (obj->variant_type ==
YAFFS_OBJECT_TYPE_DIRECTORY);
- /* A directory can't be opened except for read */
- if ( is_dir &&
- (writeRequested || !readRequested || rwflags != O_RDONLY)) {
- openDenied = __LINE__;
- yaffsfs_SetError(-EISDIR);
- errorReported = __LINE__;
+ /*
+ * A directory can't be opened except for read, so we
+ * ignore other flags
+ */
+ if (is_dir) {
+ writeRequested = 0;
+ readRequested = 1;
+ rwflags = O_RDONLY;
}
if(is_dir) {
}
if(is_dir) {
@@
-1187,7
+1190,7
@@
static int yaffsfs_do_read(int handle, void *vbuf, unsigned int nbyte,
/* Not a reading handle */
yaffsfs_SetError(-EINVAL);
totalRead = -1;
/* Not a reading handle */
yaffsfs_SetError(-EINVAL);
totalRead = -1;
- } else if (nbyte > YAFFS_MAX_
FILE
_SIZE) {
+ } else if (nbyte > YAFFS_MAX_
RW
_SIZE) {
yaffsfs_SetError(-EINVAL);
totalRead = -1;
} else {
yaffsfs_SetError(-EINVAL);
totalRead = -1;
} else {
@@
-1211,7
+1214,7
@@
static int yaffsfs_do_read(int handle, void *vbuf, unsigned int nbyte,
endPos = pos + nbyte;
if (pos < 0 || pos > YAFFS_MAX_FILE_SIZE ||
endPos = pos + nbyte;
if (pos < 0 || pos > YAFFS_MAX_FILE_SIZE ||
- nbyte > YAFFS_MAX_
FILE
_SIZE ||
+ nbyte > YAFFS_MAX_
RW
_SIZE ||
endPos < 0 || endPos > YAFFS_MAX_FILE_SIZE) {
totalRead = -1;
nbyte = 0;
endPos < 0 || endPos > YAFFS_MAX_FILE_SIZE) {
totalRead = -1;
nbyte = 0;
@@
-1220,7
+1223,7
@@
static int yaffsfs_do_read(int handle, void *vbuf, unsigned int nbyte,
while (nbyte > 0) {
nToRead = YAFFSFS_RW_SIZE -
(pos & (YAFFSFS_RW_SIZE - 1));
while (nbyte > 0) {
nToRead = YAFFSFS_RW_SIZE -
(pos & (YAFFSFS_RW_SIZE - 1));
- if (nToRead > nbyte)
+ if (nToRead >
(int)
nbyte)
nToRead = nbyte;
/* Tricky bit...
nToRead = nbyte;
/* Tricky bit...
@@
-1324,7
+1327,7
@@
static int yaffsfs_do_write(int handle, const void *vbuf, unsigned int nbyte,
endPos = pos + nbyte;
if (pos < 0 || pos > YAFFS_MAX_FILE_SIZE ||
endPos = pos + nbyte;
if (pos < 0 || pos > YAFFS_MAX_FILE_SIZE ||
- nbyte > YAFFS_MAX_
FILE
_SIZE ||
+ nbyte > YAFFS_MAX_
RW
_SIZE ||
endPos < 0 || endPos > YAFFS_MAX_FILE_SIZE) {
totalWritten = -1;
nbyte = 0;
endPos < 0 || endPos > YAFFS_MAX_FILE_SIZE) {
totalWritten = -1;
nbyte = 0;
@@
-1334,7
+1337,7
@@
static int yaffsfs_do_write(int handle, const void *vbuf, unsigned int nbyte,
nToWrite = YAFFSFS_RW_SIZE -
(pos & (YAFFSFS_RW_SIZE - 1));
nToWrite = YAFFSFS_RW_SIZE -
(pos & (YAFFSFS_RW_SIZE - 1));
- if (nToWrite > nbyte)
+ if (nToWrite >
(int)
nbyte)
nToWrite = nbyte;
/* Tricky bit...
nToWrite = nbyte;
/* Tricky bit...
@@
-1622,7
+1625,7
@@
int yaffs_fgetfl(int fd, int *flags)
{
struct yaffsfs_FileDes *fdp = yaffsfs_HandleToFileDes(fd);
int retVal;
{
struct yaffsfs_FileDes *fdp = yaffsfs_HandleToFileDes(fd);
int retVal;
-
+
yaffsfs_Lock();
if(!flags || !fdp) {
yaffsfs_Lock();
if(!flags || !fdp) {
@@
-1637,7
+1640,7
@@
int yaffs_fgetfl(int fd, int *flags)
*flags = O_RDONLY;
retVal = 0;
}
*flags = O_RDONLY;
retVal = 0;
}
-
+
yaffsfs_Unlock();
return retVal;
}
yaffsfs_Unlock();
return retVal;
}
@@
-1790,7
+1793,7
@@
static int yaffsfs_DoStat(struct yaffs_obj *obj, struct yaffs_stat *buf)
obj = yaffs_get_equivalent_obj(obj);
if (obj && buf) {
obj = yaffs_get_equivalent_obj(obj);
if (obj && buf) {
- buf->st_dev =
(int)obj->my_dev->os_context
;
+ buf->st_dev =
0
;
buf->st_ino = obj->obj_id;
buf->st_mode = obj->yst_mode & ~S_IFMT;
buf->st_ino = obj->obj_id;
buf->st_mode = obj->yst_mode & ~S_IFMT;
@@
-3578,7
+3581,7
@@
struct yaffs_dirent *yaffsfs_readdir_no_lock(yaffs_DIR * dirp)
if (dsc->nextReturn) {
dsc->de.d_ino =
yaffs_get_equivalent_obj(dsc->nextReturn)->obj_id;
if (dsc->nextReturn) {
dsc->de.d_ino =
yaffs_get_equivalent_obj(dsc->nextReturn)->obj_id;
- dsc->de.d_dont_use =
(unsigned)dsc->nextReturn
;
+ dsc->de.d_dont_use =
0
;
dsc->de.d_off = dsc->offset++;
yaffs_get_obj_name(dsc->nextReturn,
dsc->de.d_name, NAME_MAX);
dsc->de.d_off = dsc->offset++;
yaffs_get_obj_name(dsc->nextReturn,
dsc->de.d_name, NAME_MAX);
@@
-3634,7
+3637,7
@@
struct yaffs_dirent *yaffs_readdir_fd(int fd)
yaffsfs_Lock();
f = yaffsfs_HandleToFileDes(fd);
yaffsfs_Lock();
f = yaffsfs_HandleToFileDes(fd);
- if(f && f->isDir)
+ if(f && f->isDir
&& f->v.dir
)
ret = yaffsfs_readdir_no_lock(f->v.dir);
yaffsfs_Unlock();
return ret;
ret = yaffsfs_readdir_no_lock(f->v.dir);
yaffsfs_Unlock();
return ret;