yaffs: Change __uxx types to uxx
[yaffs2.git] / direct / yaffsfs.c
index 0b236ff86669f0545e38ef0df85bb807c2b1a5f5..c7b5ed2c8b9f09d75b2ab1cce1ba70191be4b0fa 100644 (file)
@@ -53,14 +53,14 @@ typedef struct {
 } yaffsfs_Inode;
 
 typedef struct{
-       __u8    reading:1;
-       __u8    writing:1;
-       __u8    append:1;
-       __u8    shareRead:1;
-       __u8    shareWrite:1;
+       u8      reading:1;
+       u8      writing:1;
+       u8      append:1;
+       u8      shareRead:1;
+       u8      shareWrite:1;
        int     inodeId:12;     /* Index to corresponding yaffsfs_Inode */
        int     useCount:10;    /* Use count for this handle */
-       __u32 position;         /* current position in file */
+       u32 position;           /* current position in file */
 }yaffsfs_Handle;
 
 static yaffsfs_Inode yaffsfs_inode[YAFFSFS_N_HANDLES];
@@ -584,14 +584,14 @@ int yaffs_open_sharing(const YCHAR *path, int oflag, int mode, int sharing)
        int symDepth = 0;
        int errorReported = 0;
        int rwflags = oflag & ( O_RDWR | O_RDONLY | O_WRONLY);
-       __u8 shareRead = (sharing & YAFFS_SHARE_READ) ?  1 : 0;
-       __u8 shareWrite = (sharing & YAFFS_SHARE_WRITE) ? 1 : 0;
-       __u8 sharedReadAllowed;
-       __u8 sharedWriteAllowed;
-       __u8 alreadyReading;
-       __u8 alreadyWriting;
-       __u8 readRequested;
-       __u8 writeRequested;
+       u8 shareRead = (sharing & YAFFS_SHARE_READ) ?  1 : 0;
+       u8 shareWrite = (sharing & YAFFS_SHARE_WRITE) ? 1 : 0;
+       u8 sharedReadAllowed;
+       u8 sharedWriteAllowed;
+       u8 alreadyReading;
+       u8 alreadyWriting;
+       u8 readRequested;
+       u8 writeRequested;
 
        /* O_EXCL only has meaning if O_CREAT is specified */
        if(!(oflag & O_CREAT))
@@ -612,7 +612,10 @@ int yaffs_open_sharing(const YCHAR *path, int oflag, int mode, int sharing)
 
        handle = yaffsfs_GetNewHandle();
 
-       if(handle >= 0){
+       if(handle < 0){
+               yaffsfs_SetError(-ENFILE);
+               errorReported = 1;
+       } else {
 
                yh = yaffsfs_GetHandlePointer(handle);
 
@@ -729,7 +732,7 @@ int yaffs_open_sharing(const YCHAR *path, int oflag, int mode, int sharing)
                } else {
                        yaffsfs_PutHandle(handle);
                        if(!errorReported) {
-                               yaffsfs_SetError(-EACCES);
+                               yaffsfs_SetError(!obj ? -ENOSPC : -EACCES);
                                errorReported = 1;
                        }
                        handle = -1;
@@ -821,7 +824,7 @@ int yaffsfs_do_read(int fd, void *vbuf, unsigned int nbyte, int isPread, int off
        int nToRead = 0;
        int totalRead = 0;
        unsigned int maxRead;
-       __u8 *buf = (__u8 *)vbuf;
+       u8 *buf = (u8 *)vbuf;
 
        yaffsfs_Lock();
        h = yaffsfs_GetHandlePointer(fd);
@@ -917,7 +920,7 @@ int yaffsfs_do_write(int fd, const void *vbuf, unsigned int nbyte, int isPwrite,
        int totalWritten = 0;
        int write_trhrough = 0;
        int nToWrite = 0;
-       const __u8 *buf = (const __u8 *)vbuf;
+       const u8 *buf = (const u8 *)vbuf;
 
        yaffsfs_Lock();
        h = yaffsfs_GetHandlePointer(fd);
@@ -1055,30 +1058,28 @@ off_t yaffs_lseek(int fd, off_t offset, int whence)
        h = yaffsfs_GetHandlePointer(fd);
        obj = yaffsfs_GetHandleObject(fd);
 
-       if(!h || !obj)
+       if(!h || !obj){
                /* bad handle */
                yaffsfs_SetError(-EBADF);
-       else if(whence == SEEK_SET){
-               if(offset >= 0)
-                       pos = offset;
-       }
-       else if(whence == SEEK_CUR) {
-               if( (h->position + offset) >= 0)
-                       pos = (h->position + offset);
-       }
-       else if(whence == SEEK_END) {
-               fSize = yaffs_get_obj_length(obj);
-               if(fSize >= 0 && (fSize + offset) >= 0)
-                       pos = fSize + offset;
-       }
-
-       if(pos >= 0)
-               h->position = pos;
-       else {
-               /* todo error */
+       } else {
+               if(whence == SEEK_SET){
+                       if(offset >= 0)
+                               pos = offset;
+               } else if(whence == SEEK_CUR) {
+                       if( (h->position + offset) >= 0)
+                               pos = (h->position + offset);
+               } else if(whence == SEEK_END) {
+                       fSize = yaffs_get_obj_length(obj);
+                       if(fSize >= 0 && (fSize + offset) >= 0)
+                               pos = fSize + offset;
+               } 
+
+               if(pos >= 0)
+                       h->position = pos;
+               else
+                       yaffsfs_SetError(-EINVAL);
        }
 
-
        yaffsfs_Unlock();
 
        return pos;
@@ -1727,8 +1728,40 @@ int yaffs_mkdir(const YCHAR *path, mode_t mode)
        yaffs_obj_t *parent = NULL;
        yaffs_obj_t *dir = NULL;
        YCHAR *name;
+       YCHAR *use_path = NULL;
+       int path_length = 0;
        int retVal= -1;
+       int i;
 
+
+       /*
+        * We don't have a definition for max path length.
+        * We will use 3 * max name length instead.
+        */
+       
+       path_length = strnlen(path,(YAFFS_MAX_NAME_LENGTH+1)*3 +1);
+
+       /* If the last character is a path divider, then we need to
+        * trim it back so that the name look-up works properly.
+        * eg. /foo/new_dir/ -> /foo/newdir
+        * Curveball: Need to handle multiple path dividers:
+        * eg. /foof/sdfse///// -> /foo/sdfse
+        */
+       if(path_length > 0 && 
+               yaffsfs_IsPathDivider(path[path_length-1])){
+               use_path = YMALLOC(path_length + 1);
+               if(!use_path){
+                       yaffsfs_SetError(-ENOMEM);
+                       return -1;
+               }
+               strcpy(use_path, path);
+               for(i = path_length-1;
+                       i >= 0 && yaffsfs_IsPathDivider(use_path[i]);
+                       i--)
+                       use_path[i] = (YCHAR) 0;
+               path = use_path;
+       }
+       
        yaffsfs_Lock();
        parent = yaffsfs_FindDirectory(NULL,path,&name,0);
        if(parent && yaffs_strnlen(name,5) == 0){
@@ -1754,6 +1787,9 @@ int yaffs_mkdir(const YCHAR *path, mode_t mode)
 
        yaffsfs_Unlock();
 
+       if(use_path)
+               YFREE(use_path);
+
        return retVal;
 }
 
@@ -2013,7 +2049,7 @@ void yaffs_remove_device(yaffs_dev_t *dev)
 
 typedef struct
 {
-       __u32 magic;
+       u32 magic;
        yaffs_dirent de;                /* directory entry being used by this dsc */
        YCHAR name[NAME_MAX+1];         /* name of directory being searched */
         yaffs_obj_t *dirObj;           /* ptr to directory being searched */
@@ -2330,6 +2366,11 @@ int yaffs_n_handles(const YCHAR *path)
        return yaffsfs_CountHandles(obj);
 }
 
+int yaffs_get_error(void)
+{
+       return yaffsfs_GetLastError();
+}
+
 int yaffs_dump_dev(const YCHAR *path)
 {
 #if 0