/*
* YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
*
- * Copyright (C) 2002-2011 Aleph One Ltd.
+ * Copyright (C) 2002-2007 Aleph One Ltd.
* for Toby Churchill Ltd and Brightstar Engineering
*
* Created by Charles Manning <charles@aleph1.co.uk>
* published by the Free Software Foundation.
*/
-#include <div64.h>
+/* XXX U-BOOT XXX */
+#include <common.h>
+#include <malloc.h>
+
#include "yaffsfs.h"
#include "yaffs_guts.h"
#include "yaffscfg.h"
#include "yportenv.h"
-#include "yaffs_trace.h"
+
+/* XXX U-BOOT XXX */
+#if 0
+#include <string.h> // for memset
+#endif
#define YAFFSFS_MAX_SYMLINK_DEREFERENCES 5
#define NULL ((void *)0)
#endif
-/* YAFFSFS_RW_SIZE must be a power of 2 */
-#define YAFFSFS_RW_SHIFT (13)
-#define YAFFSFS_RW_SIZE (1<<YAFFSFS_RW_SHIFT)
-
-/* Some forward references */
-static struct yaffs_obj *yaffsfs_FindObject(struct yaffs_obj *relativeDirectory,
- const YCHAR *path,
- int symDepth, int getEquiv,
- struct yaffs_obj **dirOut,
- int *notDir, int *loop);
-
-static void yaffsfs_RemoveObjectCallback(struct yaffs_obj *obj);
-
-unsigned int yaffs_wr_attempts;
-
-/*
- * Handle management.
- * There are open inodes in struct yaffsfs_Inode.
- * There are open file descriptors in yaffsfs_FileDes.
- * There are open handles in yaffsfs_FileDes.
- *
- * Things are structured this way to be like the Linux VFS model
- * so that interactions with the yaffs guts calls are similar.
- * That means more common code paths and less special code.
- * That means better testing etc.
- *
- * We have 3 layers because:
- * A handle is different than an fd because you can use dup()
- * to create a new handle that accesses the *same* fd. The two
- * handles will use the same offset (part of the fd). We only close
- * down the fd when there are no more handles accessing it.
- *
- * More than one fd can currently access one file, but each fd
- * has its own permsiions and offset.
- */
-
-struct yaffsfs_Inode {
- int count; /* Number of handles accessing this inode */
- struct yaffs_obj *iObj;
-};
-
-struct yaffsfs_FileDes {
- u8 reading:1;
- u8 writing:1;
- u8 append:1;
- u8 shareRead:1;
- u8 shareWrite:1;
- int inodeId:12; /* Index to corresponding yaffsfs_Inode */
- int handleCount:10; /* Number of handles for this fd */
- loff_t position; /* current position in file */
-};
-
-struct yaffsfs_Handle {
- short int fdId;
- short int useCount;
-};
-
-
-struct yaffsfs_DirSearchContxt {
- struct yaffs_dirent de; /* directory entry */
- YCHAR name[NAME_MAX + 1]; /* name of directory being searched */
- struct yaffs_obj *dirObj; /* ptr to directory being searched */
- struct yaffs_obj *nextReturn; /* obj returned by next readddir */
- struct list_head others;
- int offset:20;
- unsigned inUse:1;
-};
-
-static struct yaffsfs_DirSearchContxt yaffsfs_dsc[YAFFSFS_N_DSC];
-static struct yaffsfs_Inode yaffsfs_inode[YAFFSFS_N_HANDLES];
-static struct yaffsfs_FileDes yaffsfs_fd[YAFFSFS_N_HANDLES];
-static struct yaffsfs_Handle yaffsfs_handle[YAFFSFS_N_HANDLES];
-
-static int yaffsfs_handlesInitialised;
-
-unsigned yaffs_set_trace(unsigned tm)
-{
- yaffs_trace_mask = tm;
- return yaffs_trace_mask;
-}
-
-unsigned yaffs_get_trace(void)
-{
- return yaffs_trace_mask;
-}
-
-/*
- * yaffsfs_InitHandle
- * Inilitalise handle management on start-up.
- */
-
-static void yaffsfs_InitHandles(void)
-{
- int i;
- if (yaffsfs_handlesInitialised)
- return;
-
- memset(yaffsfs_inode, 0, sizeof(yaffsfs_inode));
- memset(yaffsfs_fd, 0, sizeof(yaffsfs_fd));
- memset(yaffsfs_handle, 0, sizeof(yaffsfs_handle));
- memset(yaffsfs_dsc, 0, sizeof(yaffsfs_dsc));
-
- for (i = 0; i < YAFFSFS_N_HANDLES; i++)
- yaffsfs_fd[i].inodeId = -1;
- for (i = 0; i < YAFFSFS_N_HANDLES; i++)
- yaffsfs_handle[i].fdId = -1;
-}
-
-static struct yaffsfs_Handle *yaffsfs_HandleToPointer(int h)
-{
- if (h >= 0 && h < YAFFSFS_N_HANDLES)
- return &yaffsfs_handle[h];
- return NULL;
-}
-
-static struct yaffsfs_FileDes *yaffsfs_HandleToFileDes(int handle)
-{
- struct yaffsfs_Handle *h = yaffsfs_HandleToPointer(handle);
-
- if (h && h->useCount > 0 && h->fdId >= 0 && h->fdId < YAFFSFS_N_HANDLES)
- return &yaffsfs_fd[h->fdId];
-
- return NULL;
-}
-
-static struct yaffsfs_Inode *yaffsfs_HandleToInode(int handle)
-{
- struct yaffsfs_FileDes *fd = yaffsfs_HandleToFileDes(handle);
-
- if (fd && fd->handleCount > 0 &&
- fd->inodeId >= 0 && fd->inodeId < YAFFSFS_N_HANDLES)
- return &yaffsfs_inode[fd->inodeId];
-
- return NULL;
-}
-
-static struct yaffs_obj *yaffsfs_HandleToObject(int handle)
-{
- struct yaffsfs_Inode *in = yaffsfs_HandleToInode(handle);
-
- if (in)
- return in->iObj;
-
- return NULL;
-}
-
-/*
- * yaffsfs_FindInodeIdForObject
- * Find the inode entry for an object, if it exists.
- */
-
-static int yaffsfs_FindInodeIdForObject(struct yaffs_obj *obj)
-{
- int i;
- int ret = -1;
-
- if (obj)
- obj = yaffs_get_equivalent_obj(obj);
-
- /* Look for it in open inode table */
- for (i = 0; i < YAFFSFS_N_HANDLES && ret < 0; i++) {
- if (yaffsfs_inode[i].iObj == obj)
- ret = i;
- }
- return ret;
-}
-/*
- * yaffsfs_GetInodeIdForObject
- * Grab an inode entry when opening a new inode.
- */
-static int yaffsfs_GetInodeIdForObject(struct yaffs_obj *obj)
-{
- int i;
- int ret;
- struct yaffsfs_Inode *in = NULL;
+const char *yaffsfs_c_version="$Id: yaffsfs.c,v 1.18 2007/07/18 19:40:38 charles Exp $";
- if (obj)
- obj = yaffs_get_equivalent_obj(obj);
+// configurationList is the list of devices that are supported
+static yaffsfs_DeviceConfiguration *yaffsfs_configurationList;
- ret = yaffsfs_FindInodeIdForObject(obj);
- for (i = 0; i < YAFFSFS_N_HANDLES && ret < 0; i++) {
- if (!yaffsfs_inode[i].iObj)
- ret = i;
- }
+/* Some forward references */
+static yaffs_Object *yaffsfs_FindObject(yaffs_Object *relativeDirectory, const char *path, int symDepth);
+static void yaffsfs_RemoveObjectCallback(yaffs_Object *obj);
- if (ret >= 0) {
- in = &yaffsfs_inode[ret];
- if (!in->iObj)
- in->count = 0;
- in->iObj = obj;
- in->count++;
- }
- return ret;
-}
+// Handle management.
+//
-static int yaffsfs_CountHandles(struct yaffs_obj *obj)
-{
- int i = yaffsfs_FindInodeIdForObject(obj);
- if (i >= 0)
- return yaffsfs_inode[i].count;
- else
- return 0;
-}
+unsigned int yaffs_wr_attempts;
-static void yaffsfs_ReleaseInode(struct yaffsfs_Inode *in)
+typedef struct
{
- struct yaffs_obj *obj;
-
- obj = in->iObj;
-
- if (obj->unlinked)
- yaffs_del_obj(obj);
+ __u8 inUse:1; // this handle is in use
+ __u8 readOnly:1; // this handle is read only
+ __u8 append:1; // append only
+ __u8 exclusive:1; // exclusive
+ __u32 position; // current position in file
+ yaffs_Object *obj; // the object
+}yaffsfs_Handle;
- obj->my_inode = NULL;
- in->iObj = NULL;
-}
-
-static void yaffsfs_PutInode(int inodeId)
-{
- if (inodeId >= 0 && inodeId < YAFFSFS_N_HANDLES) {
- struct yaffsfs_Inode *in = &yaffsfs_inode[inodeId];
- in->count--;
- if (in->count <= 0) {
- yaffsfs_ReleaseInode(in);
- in->count = 0;
- }
- }
-}
+static yaffsfs_Handle yaffsfs_handle[YAFFSFS_N_HANDLES];
-static int yaffsfs_NewHandle(struct yaffsfs_Handle **hptr)
+// yaffsfs_InitHandle
+/// Inilitalise handles on start-up.
+//
+static int yaffsfs_InitHandles(void)
{
int i;
- struct yaffsfs_Handle *h;
-
- for (i = 0; i < YAFFSFS_N_HANDLES; i++) {
- h = &yaffsfs_handle[i];
- if (h->useCount < 1) {
- memset(h, 0, sizeof(struct yaffsfs_Handle));
- h->fdId = -1;
- h->useCount = 1;
- if (hptr)
- *hptr = h;
- return i;
- }
+ for(i = 0; i < YAFFSFS_N_HANDLES; i++)
+ {
+ yaffsfs_handle[i].inUse = 0;
+ yaffsfs_handle[i].obj = NULL;
}
- return -1;
+ return 0;
}
-static int yaffsfs_NewHandleAndFileDes(void)
+yaffsfs_Handle *yaffsfs_GetHandlePointer(int h)
{
- int i;
- struct yaffsfs_FileDes *fd;
- struct yaffsfs_Handle *h = NULL;
- int handle = yaffsfs_NewHandle(&h);
-
- if (handle < 0)
- return -1;
-
- for (i = 0; i < YAFFSFS_N_HANDLES; i++) {
- fd = &yaffsfs_fd[i];
- if (fd->handleCount < 1) {
- memset(fd, 0, sizeof(struct yaffsfs_FileDes));
- fd->inodeId = -1;
- fd->handleCount = 1;
- h->fdId = i;
- return handle;
- }
+ if(h < 0 || h >= YAFFSFS_N_HANDLES)
+ {
+ return NULL;
}
- /* Dump the handle because we could not get a fd */
- h->useCount = 0;
- return -1;
+ return &yaffsfs_handle[h];
}
-/*
- * yaffs_get_handle
- * Increase use of handle when reading/writing a file
- * Also gets the file descriptor.
- */
-
-static int yaffsfs_GetHandle(int handle)
+yaffs_Object *yaffsfs_GetHandleObject(int handle)
{
- struct yaffsfs_Handle *h = yaffsfs_HandleToPointer(handle);
+ yaffsfs_Handle *h = yaffsfs_GetHandlePointer(handle);
- if (h && h->useCount > 0) {
- h->useCount++;
- return 0;
+ if(h && h->inUse)
+ {
+ return h->obj;
}
- return -1;
-}
-
-/*
- * yaffs_put_handle
- * Let go of a handle when closing a file or aborting an open or
- * ending a read or write.
- */
-static int yaffsfs_PutFileDes(int fdId)
-{
- struct yaffsfs_FileDes *fd;
-
- if (fdId >= 0 && fdId < YAFFSFS_N_HANDLES) {
- fd = &yaffsfs_fd[fdId];
- fd->handleCount--;
- if (fd->handleCount < 1) {
- if (fd->inodeId >= 0) {
- yaffsfs_PutInode(fd->inodeId);
- fd->inodeId = -1;
- }
- }
- }
- return 0;
+ return NULL;
}
-static int yaffsfs_PutHandle(int handle)
-{
- struct yaffsfs_Handle *h = yaffsfs_HandleToPointer(handle);
-
- if (h && h->useCount > 0) {
- h->useCount--;
- if (h->useCount < 1) {
- yaffsfs_PutFileDes(h->fdId);
- h->fdId = -1;
- }
- }
- return 0;
-}
+//yaffsfs_GetHandle
+// Grab a handle (when opening a file)
+//
-static void yaffsfs_BreakDeviceHandles(struct yaffs_dev *dev)
+static int yaffsfs_GetHandle(void)
{
- struct yaffsfs_FileDes *fd;
- struct yaffsfs_Handle *h;
- struct yaffs_obj *obj;
int i;
- for (i = 0; i < YAFFSFS_N_HANDLES; i++) {
- h = yaffsfs_HandleToPointer(i);
- fd = yaffsfs_HandleToFileDes(i);
- obj = yaffsfs_HandleToObject(i);
- if (h && h->useCount > 0) {
- h->useCount = 0;
- h->fdId = 0;
+ yaffsfs_Handle *h;
+
+ for(i = 0; i < YAFFSFS_N_HANDLES; i++)
+ {
+ h = yaffsfs_GetHandlePointer(i);
+ if(!h)
+ {
+ // todo bug: should never happen
}
- if (fd && fd->handleCount > 0 && obj && obj->my_dev == dev) {
- fd->handleCount = 0;
- yaffsfs_PutInode(fd->inodeId);
- fd->inodeId = -1;
+ if(!h->inUse)
+ {
+ memset(h,0,sizeof(yaffsfs_Handle));
+ h->inUse=1;
+ return i;
}
}
+ return -1;
}
-/*
- * Stuff to handle names.
- */
-#ifdef CONFIG_YAFFS_CASE_INSENSITIVE
-
-static int yaffs_toupper(YCHAR a)
-{
- if (a >= 'a' && a <= 'z')
- return (a - 'a') + 'A';
- else
- return a;
-}
-
-int yaffsfs_Match(YCHAR a, YCHAR b)
-{
- return (yaffs_toupper(a) == yaffs_toupper(b));
-}
-#else
-int yaffsfs_Match(YCHAR a, YCHAR b)
-{
- /* case sensitive */
- return (a == b);
-}
-#endif
-
-int yaffsfs_IsPathDivider(YCHAR ch)
+// yaffs_PutHandle
+// Let go of a handle (when closing a file)
+//
+static int yaffsfs_PutHandle(int handle)
{
- const YCHAR *str = YAFFS_PATH_DIVIDERS;
+ yaffsfs_Handle *h = yaffsfs_GetHandlePointer(handle);
- while (*str) {
- if (*str == ch)
- return 1;
- str++;
+ if(h)
+ {
+ h->inUse = 0;
+ h->obj = NULL;
}
-
return 0;
}
-int yaffsfs_CheckNameLength(const char *name)
-{
- int retVal = 0;
- int nameLength = yaffs_strnlen(name, YAFFS_MAX_NAME_LENGTH + 1);
- if (nameLength == 0) {
- yaffsfs_SetError(-ENOENT);
- retVal = -1;
- } else if (nameLength > YAFFS_MAX_NAME_LENGTH) {
- yaffsfs_SetError(-ENAMETOOLONG);
- retVal = -1;
- }
+// Stuff to search for a directory from a path
- return retVal;
-}
-static int yaffsfs_alt_dir_path(const YCHAR *path, YCHAR **ret_path)
+int yaffsfs_Match(char a, char b)
{
- YCHAR *alt_path = NULL;
- int path_length;
- int i;
-
- /*
- * We don't have a definition for max path length.
- * We will use 3 * max name length instead.
- */
- *ret_path = NULL;
- path_length = yaffs_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])) {
- alt_path = kmalloc(path_length + 1, 0);
- if (!alt_path)
- return -1;
- yaffs_strcpy(alt_path, path);
- for (i = path_length - 1;
- i >= 0 && yaffsfs_IsPathDivider(alt_path[i]); i--)
- alt_path[i] = (YCHAR) 0;
- }
- *ret_path = alt_path;
- return 0;
+ // case sensitive
+ return (a == b);
}
-LIST_HEAD(yaffsfs_deviceList);
-
-/*
- * yaffsfs_FindDevice
- * yaffsfs_FindRoot
- * Scan the configuration list to find the device
- * Curveballs: Should match paths that end in '/' too
- * Curveball2 Might have "/x/ and "/x/y". Need to return the longest match
- */
-static struct yaffs_dev *yaffsfs_FindDevice(const YCHAR *path,
- YCHAR **restOfPath)
+// yaffsfs_FindDevice
+// yaffsfs_FindRoot
+// Scan the configuration list to find the root.
+// Curveballs: Should match paths that end in '/' too
+// Curveball2 Might have "/x/ and "/x/y". Need to return the longest match
+static yaffs_Device *yaffsfs_FindDevice(const char *path, char **restOfPath)
{
- struct list_head *cfg;
- const YCHAR *leftOver;
- const YCHAR *p;
- struct yaffs_dev *retval = NULL;
- struct yaffs_dev *dev = NULL;
+ yaffsfs_DeviceConfiguration *cfg = yaffsfs_configurationList;
+ const char *leftOver;
+ const char *p;
+ yaffs_Device *retval = NULL;
int thisMatchLength;
int longestMatch = -1;
- int matching;
- /*
- * Check all configs, choose the one that:
- * 1) Actually matches a prefix (ie /a amd /abc will not match
- * 2) Matches the longest.
- */
- list_for_each(cfg, &yaffsfs_deviceList) {
- dev = list_entry(cfg, struct yaffs_dev, dev_list);
+ // Check all configs, choose the one that:
+ // 1) Actually matches a prefix (ie /a amd /abc will not match
+ // 2) Matches the longest.
+ while(cfg && cfg->prefix && cfg->dev)
+ {
leftOver = path;
- p = dev->param.name;
+ p = cfg->prefix;
thisMatchLength = 0;
- matching = 1;
-
- while (matching && *p && *leftOver) {
- /* Skip over any /s */
- while (yaffsfs_IsPathDivider(*p))
- p++;
-
- /* Skip over any /s */
- while (yaffsfs_IsPathDivider(*leftOver))
- leftOver++;
-
- /* Now match the text part */
- while (matching &&
- *p && !yaffsfs_IsPathDivider(*p) &&
- *leftOver && !yaffsfs_IsPathDivider(*leftOver)) {
- if (yaffsfs_Match(*p, *leftOver)) {
- p++;
- leftOver++;
- thisMatchLength++;
- } else {
- matching = 0;
- }
- }
- }
-
- /* Skip over any /s in leftOver */
- while (yaffsfs_IsPathDivider(*leftOver))
- leftOver++;
- /*Skip over any /s in p */
- while (yaffsfs_IsPathDivider(*p))
+ while(*p && //unmatched part of prefix
+ strcmp(p,"/") && // the rest of the prefix is not / (to catch / at end)
+ *leftOver &&
+ yaffsfs_Match(*p,*leftOver))
+ {
p++;
-
- /* p should now be at the end of the string if fully matched */
- if (*p)
- matching = 0;
-
- if (matching && (thisMatchLength > longestMatch)) {
- /* Matched prefix */
- *restOfPath = (YCHAR *) leftOver;
- retval = dev;
+ leftOver++;
+ thisMatchLength++;
+ }
+ if((!*p || strcmp(p,"/") == 0) && // end of prefix
+ (!*leftOver || *leftOver == '/') && // no more in this path name part
+ (thisMatchLength > longestMatch))
+ {
+ // Matched prefix
+ *restOfPath = (char *)leftOver;
+ retval = cfg->dev;
longestMatch = thisMatchLength;
}
-
+ cfg++;
}
return retval;
}
-static int yaffsfs_CheckPath(const YCHAR *path)
-{
- int n = 0;
- int divs = 0;
-
- while (*path && n < YAFFS_MAX_NAME_LENGTH && divs < 100) {
- if (yaffsfs_IsPathDivider(*path)) {
- n = 0;
- divs++;
- } else
- n++;
- path++;
- }
-
- return (*path) ? -1 : 0;
-}
-
-/* FindMountPoint only returns a dev entry if the path is a mount point */
-static struct yaffs_dev *yaffsfs_FindMountPoint(const YCHAR *path)
+static yaffs_Object *yaffsfs_FindRoot(const char *path, char **restOfPath)
{
- struct yaffs_dev *dev;
- YCHAR *restOfPath = NULL;
- dev = yaffsfs_FindDevice(path, &restOfPath);
- if (dev && restOfPath && *restOfPath)
- dev = NULL;
- return dev;
-}
-
-static struct yaffs_obj *yaffsfs_FindRoot(const YCHAR *path,
- YCHAR **restOfPath)
-{
- struct yaffs_dev *dev;
-
- dev = yaffsfs_FindDevice(path, restOfPath);
- if (dev && dev->is_mounted)
- return dev->root_dir;
+ yaffs_Device *dev;
+ dev= yaffsfs_FindDevice(path,restOfPath);
+ if(dev && dev->isMounted)
+ {
+ return dev->rootDir;
+ }
return NULL;
}
-static struct yaffs_obj *yaffsfs_FollowLink(struct yaffs_obj *obj,
- int symDepth, int *loop)
+static yaffs_Object *yaffsfs_FollowLink(yaffs_Object *obj,int symDepth)
{
- if (obj)
- obj = yaffs_get_equivalent_obj(obj);
-
- while (obj && obj->variant_type == YAFFS_OBJECT_TYPE_SYMLINK) {
- YCHAR *alias = obj->variant.symlink_variant.alias;
+ while(obj && obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK)
+ {
+ char *alias = obj->variant.symLinkVariant.alias;
- if (yaffsfs_IsPathDivider(*alias))
- /* Starts with a /, need to scan from root up */
- obj = yaffsfs_FindObject(NULL, alias, symDepth++,
- 1, NULL, NULL, loop);
+ if(*alias == '/')
+ {
+ // Starts with a /, need to scan from root up
+ obj = yaffsfs_FindObject(NULL,alias,symDepth++);
+ }
else
- /*
- * Relative to here so use the parent of the
- * symlink as a start
- */
- obj = yaffsfs_FindObject(obj->parent, alias, symDepth++,
- 1, NULL, NULL, loop);
+ {
+ // Relative to here, so use the parent of the symlink as a start
+ obj = yaffsfs_FindObject(obj->parent,alias,symDepth++);
+ }
}
return obj;
}
-/*
- * yaffsfs_FindDirectory
- * Parse a path to determine the directory and the name within the directory.
- *
- * eg. "/data/xx/ff" --> puts name="ff" and returns the directory "/data/xx"
- */
-static struct yaffs_obj *yaffsfs_DoFindDirectory(struct yaffs_obj *startDir,
- const YCHAR *path,
- YCHAR **name, int symDepth,
- int *notDir, int *loop)
+
+// yaffsfs_FindDirectory
+// Parse a path to determine the directory and the name within the directory.
+//
+// eg. "/data/xx/ff" --> puts name="ff" and returns the directory "/data/xx"
+static yaffs_Object *yaffsfs_DoFindDirectory(yaffs_Object *startDir,const char *path,char **name,int symDepth)
{
- struct yaffs_obj *dir;
- YCHAR *restOfPath;
- YCHAR str[YAFFS_MAX_NAME_LENGTH + 1];
+ yaffs_Object *dir;
+ char *restOfPath;
+ char str[YAFFS_MAX_NAME_LENGTH+1];
int i;
- if (symDepth > YAFFSFS_MAX_SYMLINK_DEREFERENCES) {
- if (loop)
- *loop = 1;
+ if(symDepth > YAFFSFS_MAX_SYMLINK_DEREFERENCES)
+ {
return NULL;
}
- if (startDir) {
+ if(startDir)
+ {
dir = startDir;
- restOfPath = (YCHAR *) path;
- } else
- dir = yaffsfs_FindRoot(path, &restOfPath);
-
- while (dir) {
- /*
- * parse off /.
- * curve ball: also throw away surplus '/'
- * eg. "/ram/x////ff" gets treated the same as "/ram/x/ff"
- */
- while (yaffsfs_IsPathDivider(*restOfPath))
- restOfPath++; /* get rid of '/' */
+ restOfPath = (char *)path;
+ }
+ else
+ {
+ dir = yaffsfs_FindRoot(path,&restOfPath);
+ }
+
+ while(dir)
+ {
+ // parse off /.
+ // curve ball: also throw away surplus '/'
+ // eg. "/ram/x////ff" gets treated the same as "/ram/x/ff"
+ while(*restOfPath == '/')
+ {
+ restOfPath++; // get rid of '/'
+ }
*name = restOfPath;
i = 0;
- while (*restOfPath && !yaffsfs_IsPathDivider(*restOfPath)) {
- if (i < YAFFS_MAX_NAME_LENGTH) {
+ while(*restOfPath && *restOfPath != '/')
+ {
+ if (i < YAFFS_MAX_NAME_LENGTH)
+ {
str[i] = *restOfPath;
- str[i + 1] = '\0';
+ str[i+1] = '\0';
i++;
}
restOfPath++;
}
- if (!*restOfPath)
- /* got to the end of the string */
+ if(!*restOfPath)
+ {
+ // got to the end of the string
return dir;
- else {
- if (yaffs_strcmp(str, _Y(".")) == 0) {
- /* Do nothing */
- } else if (yaffs_strcmp(str, _Y("..")) == 0) {
+ }
+ else
+ {
+ if(strcmp(str,".") == 0)
+ {
+ // Do nothing
+ }
+ else if(strcmp(str,"..") == 0)
+ {
dir = dir->parent;
- } else {
- dir = yaffs_find_by_name(dir, str);
+ }
+ else
+ {
+ dir = yaffs_FindObjectByName(dir,str);
- dir = yaffsfs_FollowLink(dir, symDepth, loop);
+ while(dir && dir->variantType == YAFFS_OBJECT_TYPE_SYMLINK)
+ {
+
+ dir = yaffsfs_FollowLink(dir,symDepth);
- if (dir && dir->variant_type !=
- YAFFS_OBJECT_TYPE_DIRECTORY) {
- if (notDir)
- *notDir = 1;
- dir = NULL;
}
+ if(dir && dir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY)
+ {
+ dir = NULL;
+ }
}
}
}
- /* directory did not exist. */
+ // directory did not exist.
return NULL;
}
-static struct yaffs_obj *yaffsfs_FindDirectory(struct yaffs_obj *relDir,
- const YCHAR *path,
- YCHAR **name,
- int symDepth,
- int *notDir, int *loop)
+static yaffs_Object *yaffsfs_FindDirectory(yaffs_Object *relativeDirectory,const char *path,char **name,int symDepth)
{
- return yaffsfs_DoFindDirectory(relDir, path, name, symDepth, notDir,
- loop);
+ return yaffsfs_DoFindDirectory(relativeDirectory,path,name,symDepth);
}
-/*
- * yaffsfs_FindObject turns a path for an existing object into the object
- */
-static struct yaffs_obj *yaffsfs_FindObject(struct yaffs_obj *relDir,
- const YCHAR *path, int symDepth,
- int getEquiv,
- struct yaffs_obj **dirOut,
- int *notDir, int *loop)
+// yaffsfs_FindObject turns a path for an existing object into the object
+//
+static yaffs_Object *yaffsfs_FindObject(yaffs_Object *relativeDirectory, const char *path,int symDepth)
{
- struct yaffs_obj *dir;
- struct yaffs_obj *obj;
- YCHAR *name;
-
- dir =
- yaffsfs_FindDirectory(relDir, path, &name, symDepth, notDir, loop);
-
- if (dirOut)
- *dirOut = dir;
-
- if (dir && *name)
- obj = yaffs_find_by_name(dir, name);
- else
- obj = dir;
-
- if (getEquiv)
- obj = yaffs_get_equivalent_obj(obj);
-
- return obj;
-}
+ yaffs_Object *dir;
+ char *name;
-/*************************************************************************
- * Start of yaffsfs visible functions.
- *************************************************************************/
-
-int yaffs_dup(int handle)
-{
- int newHandleNumber = -1;
- struct yaffsfs_FileDes *existingFD = NULL;
- struct yaffsfs_Handle *existingHandle = NULL;
- struct yaffsfs_Handle *newHandle = NULL;
+ dir = yaffsfs_FindDirectory(relativeDirectory,path,&name,symDepth);
- yaffsfs_Lock();
- existingHandle = yaffsfs_HandleToPointer(handle);
- existingFD = yaffsfs_HandleToFileDes(handle);
- if (existingFD)
- newHandleNumber = yaffsfs_NewHandle(&newHandle);
- if (newHandle) {
- newHandle->fdId = existingHandle->fdId;
- existingFD->handleCount++;
+ if(dir && *name)
+ {
+ return yaffs_FindObjectByName(dir,name);
}
- yaffsfs_Unlock();
-
- if (!existingFD)
- yaffsfs_SetError(-EBADF);
- else if (!newHandle)
- yaffsfs_SetError(-ENOMEM);
-
- return newHandleNumber;
-
+ return dir;
}
-static int yaffsfs_TooManyObjects(struct yaffs_dev *dev)
-{
- int current_objects = dev->n_obj - dev->n_deleted_files;
- if (dev->param.max_objects && current_objects > dev->param.max_objects)
- return 1;
- else
- return 0;
-}
-int yaffs_open_sharing(const YCHAR *path, int oflag, int mode, int sharing)
+int yaffs_open(const char *path, int oflag, int mode)
{
- struct yaffs_obj *obj = NULL;
- struct yaffs_obj *dir = NULL;
- YCHAR *name;
+ yaffs_Object *obj = NULL;
+ yaffs_Object *dir = NULL;
+ char *name;
int handle = -1;
- struct yaffsfs_FileDes *fd = NULL;
+ yaffsfs_Handle *h = NULL;
+ int alreadyOpen = 0;
+ int alreadyExclusive = 0;
int openDenied = 0;
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;
- int notDir = 0;
- int loop = 0;
-
- if (!path) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
- if (yaffsfs_CheckPath(path) < 0) {
- yaffsfs_SetError(-ENAMETOOLONG);
- return -1;
- }
-
- /* O_EXCL only has meaning if O_CREAT is specified */
- if (!(oflag & O_CREAT))
- oflag &= ~(O_EXCL);
-
- /* O_TRUNC has no meaning if (O_CREAT | O_EXCL) is specified */
- if ((oflag & O_CREAT) & (oflag & O_EXCL))
- oflag &= ~(O_TRUNC);
+ int i;
- /* Todo: Are there any more flag combos to sanitise ? */
- /* Figure out if reading or writing is requested */
+ // todo sanity check oflag (eg. can't have O_TRUNC without WRONLY or RDWR
- readRequested = (rwflags == O_RDWR || rwflags == O_RDONLY) ? 1 : 0;
- writeRequested = (rwflags == O_RDWR || rwflags == O_WRONLY) ? 1 : 0;
yaffsfs_Lock();
- handle = yaffsfs_NewHandleAndFileDes();
+ handle = yaffsfs_GetHandle();
- if (handle < 0) {
- yaffsfs_SetError(-ENFILE);
- errorReported = 1;
- } else {
+ if(handle >= 0)
+ {
- fd = yaffsfs_HandleToFileDes(handle);
+ h = yaffsfs_GetHandlePointer(handle);
- /* try to find the exisiting object */
- obj = yaffsfs_FindObject(NULL, path, 0, 1, NULL, NULL, NULL);
- obj = yaffsfs_FollowLink(obj, symDepth++, &loop);
+ // try to find the exisiting object
+ obj = yaffsfs_FindObject(NULL,path,0);
- if (obj &&
- obj->variant_type != YAFFS_OBJECT_TYPE_FILE &&
- obj->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY)
- obj = NULL;
+ if(obj && obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK)
+ {
- if (obj) {
+ obj = yaffsfs_FollowLink(obj,symDepth++);
+ }
- /* The file already exists or it might be a directory */
+ if(obj)
+ {
+ // Check if the object is already in use
+ alreadyOpen = alreadyExclusive = 0;
+
+ for(i = 0; i <= YAFFSFS_N_HANDLES; i++)
+ {
+
+ if(i != handle &&
+ yaffsfs_handle[i].inUse &&
+ obj == yaffsfs_handle[i].obj)
+ {
+ alreadyOpen = 1;
+ if(yaffsfs_handle[i].exclusive)
+ {
+ alreadyExclusive = 1;
+ }
+ }
+ }
- /* A directory can't be opened as a file */
- if (obj->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY) {
+ if(((oflag & O_EXCL) && alreadyOpen) || alreadyExclusive)
+ {
openDenied = 1;
- yaffsfs_SetError(-EISDIR);
- errorReported = 1;
}
- /* Open should fail if O_CREAT and O_EXCL are specified
- * for a file that exists.
- */
- if (!errorReported &&
- (oflag & O_EXCL) && (oflag & O_CREAT)) {
+ // Open should fail if O_CREAT and O_EXCL are specified
+ if((oflag & O_EXCL) && (oflag & O_CREAT))
+ {
openDenied = 1;
yaffsfs_SetError(-EEXIST);
errorReported = 1;
}
- /* Check file permissions */
- if (readRequested && !(obj->yst_mode & S_IREAD))
- openDenied = 1;
-
- if (writeRequested && !(obj->yst_mode & S_IWRITE))
- openDenied = 1;
-
- if (!errorReported && writeRequested &&
- obj->my_dev->read_only) {
+ // Check file permissions
+ if( (oflag & (O_RDWR | O_WRONLY)) == 0 && // ie O_RDONLY
+ !(obj->yst_mode & S_IREAD))
+ {
openDenied = 1;
- yaffsfs_SetError(-EROFS);
- errorReported = 1;
}
- if (openDenied && !errorReported) {
- yaffsfs_SetError(-EACCES);
- errorReported = 1;
+ if( (oflag & O_RDWR) &&
+ !(obj->yst_mode & S_IREAD))
+ {
+ openDenied = 1;
}
- /* Check sharing of an existing object. */
- if (!openDenied) {
- struct yaffsfs_FileDes *fdx;
- int i;
-
- sharedReadAllowed = 1;
- sharedWriteAllowed = 1;
- alreadyReading = 0;
- alreadyWriting = 0;
- for (i = 0; i < YAFFSFS_N_HANDLES; i++) {
- fdx = &yaffsfs_fd[i];
- if (fdx->handleCount > 0 &&
- fdx->inodeId >= 0 &&
- yaffsfs_inode[fdx->inodeId].iObj
- == obj) {
- if (!fdx->shareRead)
- sharedReadAllowed = 0;
- if (!fdx->shareWrite)
- sharedWriteAllowed = 0;
- if (fdx->reading)
- alreadyReading = 1;
- if (fdx->writing)
- alreadyWriting = 1;
- }
- }
-
- if ((!sharedReadAllowed && readRequested) ||
- (!shareRead && alreadyReading) ||
- (!sharedWriteAllowed && writeRequested) ||
- (!shareWrite && alreadyWriting)) {
- openDenied = 1;
- yaffsfs_SetError(-EBUSY);
- errorReported = 1;
- }
+ if( (oflag & (O_RDWR | O_WRONLY)) &&
+ !(obj->yst_mode & S_IWRITE))
+ {
+ openDenied = 1;
}
}
- /* If we could not open an existing object, then let's see if
- * the directory exists. If not, error.
- */
- if (!obj && !errorReported) {
- dir = yaffsfs_FindDirectory(NULL, path, &name, 0,
- ¬Dir, &loop);
- if (!dir && notDir) {
+ else if((oflag & O_CREAT))
+ {
+ // Let's see if we can create this file
+ dir = yaffsfs_FindDirectory(NULL,path,&name,0);
+ if(dir)
+ {
+ obj = yaffs_MknodFile(dir,name,mode,0,0);
+ }
+ else
+ {
yaffsfs_SetError(-ENOTDIR);
- errorReported = 1;
- } else if (loop) {
- yaffsfs_SetError(-ELOOP);
- errorReported = 1;
- } else if (!dir) {
- yaffsfs_SetError(-ENOENT);
- errorReported = 1;
}
}
- if (!obj && dir && !errorReported && (oflag & O_CREAT)) {
- /* Let's see if we can create this file */
- if (dir->my_dev->read_only) {
- yaffsfs_SetError(-EROFS);
- errorReported = 1;
- } else if (yaffsfs_TooManyObjects(dir->my_dev)) {
- yaffsfs_SetError(-ENFILE);
- errorReported = 1;
- } else
- obj = yaffs_create_file(dir, name, mode, 0, 0);
+ if(obj && !openDenied)
+ {
+ h->obj = obj;
+ h->inUse = 1;
+ h->readOnly = (oflag & (O_WRONLY | O_RDWR)) ? 0 : 1;
+ h->append = (oflag & O_APPEND) ? 1 : 0;
+ h->exclusive = (oflag & O_EXCL) ? 1 : 0;
+ h->position = 0;
+
+ obj->inUse++;
+ if((oflag & O_TRUNC) && !h->readOnly)
+ {
+ //todo truncate
+ yaffs_ResizeFile(obj,0);
+ }
- if (!obj && !errorReported) {
- yaffsfs_SetError(-ENOSPC);
+ }
+ else
+ {
+ yaffsfs_PutHandle(handle);
+ if(!errorReported)
+ {
+ yaffsfs_SetError(-EACCESS);
errorReported = 1;
}
+ handle = -1;
}
- if (!obj && dir && !errorReported && !(oflag & O_CREAT)) {
- yaffsfs_SetError(-ENOENT);
- errorReported = 1;
- }
+ }
- if (obj && !openDenied) {
- int inodeId = yaffsfs_GetInodeIdForObject(obj);
+ yaffsfs_Unlock();
- if (inodeId < 0) {
- /*
- * Todo: Fix any problem if inodes run out,
- * That can't happen if the number of inode
- * items >= number of handles.
- */
- }
+ return handle;
+}
- fd->inodeId = inodeId;
- fd->reading = readRequested;
- fd->writing = writeRequested;
- fd->append = (oflag & O_APPEND) ? 1 : 0;
- fd->position = 0;
- fd->shareRead = shareRead;
- fd->shareWrite = shareWrite;
-
- /* Hook inode to object */
- obj->my_inode = (void *)&yaffsfs_inode[inodeId];
-
- if ((oflag & O_TRUNC) && fd->writing)
- yaffs_resize_file(obj, 0);
- } else {
- yaffsfs_PutHandle(handle);
- if (!errorReported)
- yaffsfs_SetError(0); /* Problem */
- handle = -1;
- }
- }
-
- yaffsfs_Unlock();
-
- return handle;
-}
-
-int yaffs_open(const YCHAR *path, int oflag, int mode)
+int yaffs_close(int fd)
{
- return yaffs_open_sharing(path, oflag, mode,
- YAFFS_SHARE_READ | YAFFS_SHARE_WRITE);
-}
-
-int yaffs_Dofsync(int handle, int datasync)
-{
- int retVal = -1;
- struct yaffs_obj *obj;
+ yaffsfs_Handle *h = NULL;
+ int retVal = 0;
yaffsfs_Lock();
- obj = yaffsfs_HandleToObject(handle);
+ h = yaffsfs_GetHandlePointer(fd);
- if (!obj)
- yaffsfs_SetError(-EBADF);
- else if (obj->my_dev->read_only)
- yaffsfs_SetError(-EROFS);
- else {
- yaffs_flush_file(obj, 1, datasync);
+ if(h && h->inUse)
+ {
+ // clean up
+ yaffs_FlushFile(h->obj,1);
+ h->obj->inUse--;
+ if(h->obj->inUse <= 0 && h->obj->unlinked)
+ {
+ yaffs_DeleteFile(h->obj);
+ }
+ yaffsfs_PutHandle(fd);
retVal = 0;
}
-
- yaffsfs_Unlock();
-
- return retVal;
-}
-
-int yaffs_fsync(int handle)
-{
- return yaffs_Dofsync(handle, 0);
-}
-
-int yaffs_flush(int handle)
-{
- return yaffs_fsync(handle);
-}
-
-int yaffs_fdatasync(int handle)
-{
- return yaffs_Dofsync(handle, 1);
-}
-
-int yaffs_close(int handle)
-{
- struct yaffsfs_Handle *h = NULL;
- struct yaffs_obj *obj = NULL;
- int retVal = -1;
-
- yaffsfs_Lock();
-
- h = yaffsfs_HandleToPointer(handle);
- obj = yaffsfs_HandleToObject(handle);
-
- if (!h || !obj)
+ else
+ {
+ // bad handle
yaffsfs_SetError(-EBADF);
- else {
- /* clean up */
- yaffs_flush_file(obj, 1, 0);
- yaffsfs_PutHandle(handle);
- retVal = 0;
+ retVal = -1;
}
yaffsfs_Unlock();
return retVal;
}
-int yaffsfs_do_read(int handle, void *vbuf, unsigned int nbyte,
- int isPread, loff_t offset)
+int yaffs_read(int fd, void *buf, unsigned int nbyte)
{
- struct yaffsfs_FileDes *fd = NULL;
- struct yaffs_obj *obj = NULL;
- loff_t pos = 0;
- loff_t startPos = 0;
- loff_t endPos = 0;
- int nRead = 0;
- int nToRead = 0;
- int totalRead = 0;
- loff_t maxRead;
- u8 *buf = (u8 *) vbuf;
-
- if (!vbuf) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
+ yaffsfs_Handle *h = NULL;
+ yaffs_Object *obj = NULL;
+ int pos = 0;
+ int nRead = -1;
+ int maxRead;
yaffsfs_Lock();
- fd = yaffsfs_HandleToFileDes(handle);
- obj = yaffsfs_HandleToObject(handle);
+ h = yaffsfs_GetHandlePointer(fd);
+ obj = yaffsfs_GetHandleObject(fd);
- if (!fd || !obj) {
- /* bad handle */
+ if(!h || !obj)
+ {
+ // bad handle
yaffsfs_SetError(-EBADF);
- totalRead = -1;
- } else if (!fd->reading) {
- /* Not a reading handle */
- yaffsfs_SetError(-EINVAL);
- totalRead = -1;
- } else if (nbyte > YAFFS_MAX_FILE_SIZE) {
- yaffsfs_SetError(-EINVAL);
- totalRead = -1;
- } else {
- if (isPread)
- startPos = offset;
- else
- startPos = fd->position;
-
- pos = startPos;
-
- if (yaffs_get_obj_length(obj) > pos)
- maxRead = yaffs_get_obj_length(obj) - pos;
+ }
+ else if( h && obj)
+ {
+ pos= h->position;
+ if(yaffs_GetObjectFileLength(obj) > pos)
+ {
+ maxRead = yaffs_GetObjectFileLength(obj) - pos;
+ }
else
+ {
maxRead = 0;
+ }
- if (nbyte > maxRead)
+ if(nbyte > maxRead)
+ {
nbyte = maxRead;
-
- yaffsfs_GetHandle(handle);
-
- endPos = pos + nbyte;
-
- if (pos < 0 || pos > YAFFS_MAX_FILE_SIZE ||
- nbyte > YAFFS_MAX_FILE_SIZE ||
- endPos < 0 || endPos > YAFFS_MAX_FILE_SIZE) {
- totalRead = -1;
- nbyte = 0;
}
- while (nbyte > 0) {
- nToRead = YAFFSFS_RW_SIZE -
- (pos & (YAFFSFS_RW_SIZE - 1));
- if (nToRead > nbyte)
- nToRead = nbyte;
-
- /* Tricky bit...
- * Need to reverify object in case the device was
- * unmounted in another thread.
- */
- obj = yaffsfs_HandleToObject(handle);
- if (!obj)
- nRead = 0;
- else
- nRead = yaffs_file_rd(obj, buf, pos, nToRead);
- if (nRead > 0) {
- totalRead += nRead;
- pos += nRead;
- buf += nRead;
+ if(nbyte > 0)
+ {
+ nRead = yaffs_ReadDataFromFile(obj,buf,pos,nbyte);
+ if(nRead >= 0)
+ {
+ h->position = pos + nRead;
}
-
- if (nRead == nToRead)
- nbyte -= nRead;
else
- nbyte = 0; /* no more to read */
-
- if (nbyte > 0) {
- yaffsfs_Unlock();
- yaffsfs_Lock();
+ {
+ //todo error
}
-
}
-
- yaffsfs_PutHandle(handle);
-
- if (!isPread) {
- if (totalRead >= 0)
- fd->position = startPos + totalRead;
- else
- yaffsfs_SetError(-EINVAL);
+ else
+ {
+ nRead = 0;
}
}
yaffsfs_Unlock();
- return (totalRead >= 0) ? totalRead : -1;
-}
-
-int yaffs_read(int handle, void *buf, unsigned int nbyte)
-{
- return yaffsfs_do_read(handle, buf, nbyte, 0, 0);
-}
+ return (nRead >= 0) ? nRead : -1;
-int yaffs_pread(int handle, void *buf, unsigned int nbyte, loff_t offset)
-{
- return yaffsfs_do_read(handle, buf, nbyte, 1, offset);
}
-int yaffsfs_do_write(int handle, const void *vbuf, unsigned int nbyte,
- int isPwrite, loff_t offset)
+int yaffs_write(int fd, const void *buf, unsigned int nbyte)
{
- struct yaffsfs_FileDes *fd = NULL;
- struct yaffs_obj *obj = NULL;
- loff_t pos = 0;
- loff_t startPos = 0;
- loff_t endPos;
- int nWritten = 0;
- int totalWritten = 0;
- int write_trhrough = 0;
- int nToWrite = 0;
- const u8 *buf = (const u8 *)vbuf;
-
- if (!vbuf) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
+ yaffsfs_Handle *h = NULL;
+ yaffs_Object *obj = NULL;
+ int pos = 0;
+ int nWritten = -1;
+ int writeThrough = 0;
yaffsfs_Lock();
- fd = yaffsfs_HandleToFileDes(handle);
- obj = yaffsfs_HandleToObject(handle);
+ h = yaffsfs_GetHandlePointer(fd);
+ obj = yaffsfs_GetHandleObject(fd);
- if (!fd || !obj) {
- /* bad handle */
+ if(!h || !obj)
+ {
+ // bad handle
yaffsfs_SetError(-EBADF);
- totalWritten = -1;
- } else if (!fd->writing) {
- yaffsfs_SetError(-EINVAL);
- totalWritten = -1;
- } else if (obj->my_dev->read_only) {
- yaffsfs_SetError(-EROFS);
- totalWritten = -1;
- } else {
- if (fd->append)
- startPos = yaffs_get_obj_length(obj);
- else if (isPwrite)
- startPos = offset;
+ }
+ else if( h && obj && h->readOnly)
+ {
+ // todo error
+ }
+ else if( h && obj)
+ {
+ if(h->append)
+ {
+ pos = yaffs_GetObjectFileLength(obj);
+ }
else
- startPos = fd->position;
-
- yaffsfs_GetHandle(handle);
- pos = startPos;
- endPos = pos + nbyte;
-
- if (pos < 0 || pos > YAFFS_MAX_FILE_SIZE ||
- nbyte > YAFFS_MAX_FILE_SIZE ||
- endPos < 0 || endPos > YAFFS_MAX_FILE_SIZE) {
- totalWritten = -1;
- nbyte = 0;
+ {
+ pos = h->position;
}
- while (nbyte > 0) {
-
- nToWrite = YAFFSFS_RW_SIZE -
- (pos & (YAFFSFS_RW_SIZE - 1));
- if (nToWrite > nbyte)
- nToWrite = nbyte;
-
- /* Tricky bit...
- * Need to reverify object in case the device was
- * remounted or unmounted in another thread.
- */
- obj = yaffsfs_HandleToObject(handle);
- if (!obj || obj->my_dev->read_only)
- nWritten = 0;
- else
- nWritten =
- yaffs_wr_file(obj, buf, pos, nToWrite,
- write_trhrough);
- if (nWritten > 0) {
- totalWritten += nWritten;
- pos += nWritten;
- buf += nWritten;
- }
-
- if (nWritten == nToWrite)
- nbyte -= nToWrite;
- else
- nbyte = 0;
+ nWritten = yaffs_WriteDataToFile(obj,buf,pos,nbyte,writeThrough);
- if (nWritten < 1 && totalWritten < 1) {
- yaffsfs_SetError(-ENOSPC);
- totalWritten = -1;
- }
-
- if (nbyte > 0) {
- yaffsfs_Unlock();
- yaffsfs_Lock();
- }
+ if(nWritten >= 0)
+ {
+ h->position = pos + nWritten;
}
-
- yaffsfs_PutHandle(handle);
-
- if (!isPwrite) {
- if (totalWritten > 0)
- fd->position = startPos + totalWritten;
- else
- yaffsfs_SetError(-EINVAL);
+ else
+ {
+ //todo error
}
- }
-
- yaffsfs_Unlock();
-
- return (totalWritten >= 0) ? totalWritten : -1;
-}
-
-int yaffs_write(int fd, const void *buf, unsigned int nbyte)
-{
- return yaffsfs_do_write(fd, buf, nbyte, 0, 0);
-}
-
-int yaffs_pwrite(int fd, const void *buf, unsigned int nbyte, loff_t offset)
-{
- return yaffsfs_do_write(fd, buf, nbyte, 1, offset);
-}
-int yaffs_truncate(const YCHAR *path, loff_t new_size)
-{
- struct yaffs_obj *obj = NULL;
- struct yaffs_obj *dir = NULL;
- int result = YAFFS_FAIL;
- int notDir = 0;
- int loop = 0;
-
- if (!path) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
-
- if (yaffsfs_CheckPath(path) < 0) {
- yaffsfs_SetError(-ENAMETOOLONG);
- return -1;
}
- yaffsfs_Lock();
-
- obj = yaffsfs_FindObject(NULL, path, 0, 1, &dir, ¬Dir, &loop);
- obj = yaffsfs_FollowLink(obj, 0, &loop);
+ yaffsfs_Unlock();
- if (!dir && notDir)
- yaffsfs_SetError(-ENOTDIR);
- else if (loop)
- yaffsfs_SetError(-ELOOP);
- else if (!dir || !obj)
- yaffsfs_SetError(-ENOENT);
- else if (obj->my_dev->read_only)
- yaffsfs_SetError(-EROFS);
- else if (obj->variant_type != YAFFS_OBJECT_TYPE_FILE)
- yaffsfs_SetError(-EISDIR);
- else if (obj->my_dev->read_only)
- yaffsfs_SetError(-EROFS);
- else if (new_size < 0 || new_size > YAFFS_MAX_FILE_SIZE)
- yaffsfs_SetError(-EINVAL);
- else
- result = yaffs_resize_file(obj, new_size);
- yaffsfs_Unlock();
+ return (nWritten >= 0) ? nWritten : -1;
- return (result) ? 0 : -1;
}
-int yaffs_ftruncate(int handle, loff_t new_size)
+int yaffs_truncate(int fd, off_t newSize)
{
- struct yaffsfs_FileDes *fd = NULL;
- struct yaffs_obj *obj = NULL;
+ yaffsfs_Handle *h = NULL;
+ yaffs_Object *obj = NULL;
int result = 0;
yaffsfs_Lock();
- fd = yaffsfs_HandleToFileDes(handle);
- obj = yaffsfs_HandleToObject(handle);
+ h = yaffsfs_GetHandlePointer(fd);
+ obj = yaffsfs_GetHandleObject(fd);
- if (!fd || !obj)
- /* bad handle */
+ if(!h || !obj)
+ {
+ // bad handle
yaffsfs_SetError(-EBADF);
- else if (!fd->writing)
- yaffsfs_SetError(-EINVAL);
- else if (obj->my_dev->read_only)
- yaffsfs_SetError(-EROFS);
- else if (new_size < 0 || new_size > YAFFS_MAX_FILE_SIZE)
- yaffsfs_SetError(-EINVAL);
+ }
else
- /* resize the file */
- result = yaffs_resize_file(obj, new_size);
+ {
+ // resize the file
+ result = yaffs_ResizeFile(obj,newSize);
+ }
yaffsfs_Unlock();
+
return (result) ? 0 : -1;
}
-loff_t yaffs_lseek(int handle, loff_t offset, int whence)
+off_t yaffs_lseek(int fd, off_t offset, int whence)
{
- struct yaffsfs_FileDes *fd = NULL;
- struct yaffs_obj *obj = NULL;
- loff_t pos = -1;
- loff_t fSize = -1;
+ yaffsfs_Handle *h = NULL;
+ yaffs_Object *obj = NULL;
+ int pos = -1;
+ int fSize = -1;
yaffsfs_Lock();
- fd = yaffsfs_HandleToFileDes(handle);
- obj = yaffsfs_HandleToObject(handle);
+ h = yaffsfs_GetHandlePointer(fd);
+ obj = yaffsfs_GetHandleObject(fd);
- if (!fd || !obj)
+ if(!h || !obj)
+ {
+ // bad handle
yaffsfs_SetError(-EBADF);
- else if (offset > YAFFS_MAX_FILE_SIZE)
- yaffsfs_SetError(-EINVAL);
- else {
- if (whence == SEEK_SET) {
- if (offset >= 0)
- pos = offset;
- } else if (whence == SEEK_CUR) {
- if ((fd->position + offset) >= 0)
- pos = (fd->position + offset);
- } else if (whence == SEEK_END) {
- fSize = yaffs_get_obj_length(obj);
- if (fSize >= 0 && (fSize + offset) >= 0)
- pos = fSize + offset;
+ }
+ else if(whence == SEEK_SET)
+ {
+ if(offset >= 0)
+ {
+ pos = offset;
}
-
- if (pos >= 0 && pos <= YAFFS_MAX_FILE_SIZE)
- fd->position = pos;
- else {
- yaffsfs_SetError(-EINVAL);
- pos = -1;
+ }
+ else if(whence == SEEK_CUR)
+ {
+ if( (h->position + offset) >= 0)
+ {
+ pos = (h->position + offset);
+ }
+ }
+ else if(whence == SEEK_END)
+ {
+ fSize = yaffs_GetObjectFileLength(obj);
+ if(fSize >= 0 && (fSize + offset) >= 0)
+ {
+ pos = fSize + offset;
}
}
+ if(pos >= 0)
+ {
+ h->position = pos;
+ }
+ else
+ {
+ // todo error
+ }
+
+
yaffsfs_Unlock();
return pos;
}
-int yaffsfs_DoUnlink(const YCHAR *path, int isDirectory)
+
+int yaffsfs_DoUnlink(const char *path,int isDirectory)
{
- struct yaffs_obj *dir = NULL;
- struct yaffs_obj *obj = NULL;
- YCHAR *name;
+ yaffs_Object *dir = NULL;
+ yaffs_Object *obj = NULL;
+ char *name;
int result = YAFFS_FAIL;
- int notDir = 0;
- int loop = 0;
-
- if (!path) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
-
- if (yaffsfs_CheckPath(path) < 0) {
- yaffsfs_SetError(-ENAMETOOLONG);
- return -1;
- }
yaffsfs_Lock();
- obj = yaffsfs_FindObject(NULL, path, 0, 0, NULL, NULL, NULL);
- dir = yaffsfs_FindDirectory(NULL, path, &name, 0, ¬Dir, &loop);
-
- if (!dir && notDir)
+ obj = yaffsfs_FindObject(NULL,path,0);
+ dir = yaffsfs_FindDirectory(NULL,path,&name,0);
+ if(!dir)
+ {
yaffsfs_SetError(-ENOTDIR);
- else if (loop)
- yaffsfs_SetError(-ELOOP);
- else if (!dir)
- yaffsfs_SetError(-ENOENT);
- else if (yaffs_strncmp(name, _Y("."), 2) == 0)
- yaffsfs_SetError(-EINVAL);
- else if (!obj)
+ }
+ else if(!obj)
+ {
yaffsfs_SetError(-ENOENT);
- else if (obj->my_dev->read_only)
- yaffsfs_SetError(-EROFS);
- else if (!isDirectory &&
- obj->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY)
+ }
+ else if(!isDirectory && obj->variantType == YAFFS_OBJECT_TYPE_DIRECTORY)
+ {
yaffsfs_SetError(-EISDIR);
- else if (isDirectory &&
- obj->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY)
+ }
+ else if(isDirectory && obj->variantType != YAFFS_OBJECT_TYPE_DIRECTORY)
+ {
yaffsfs_SetError(-ENOTDIR);
- else if (isDirectory && obj == obj->my_dev->root_dir)
- yaffsfs_SetError(-EBUSY); /* Can't rmdir a root */
- else {
- result = yaffs_unlinker(dir, name);
+ }
+ else
+ {
+ result = yaffs_Unlink(dir,name);
- if (result == YAFFS_FAIL && isDirectory)
+ if(result == YAFFS_FAIL && isDirectory)
+ {
yaffsfs_SetError(-ENOTEMPTY);
+ }
}
yaffsfs_Unlock();
+ // todo error
+
return (result == YAFFS_FAIL) ? -1 : 0;
}
+int yaffs_rmdir(const char *path)
+{
+ return yaffsfs_DoUnlink(path,1);
+}
-int yaffs_unlink(const YCHAR *path)
+int yaffs_unlink(const char *path)
{
- return yaffsfs_DoUnlink(path, 0);
+ return yaffsfs_DoUnlink(path,0);
}
-int yaffs_rename(const YCHAR *oldPath, const YCHAR *newPath)
+int yaffs_rename(const char *oldPath, const char *newPath)
{
- struct yaffs_obj *olddir = NULL;
- struct yaffs_obj *newdir = NULL;
- struct yaffs_obj *obj = NULL;
- struct yaffs_obj *newobj = NULL;
- YCHAR *oldname;
- YCHAR *newname;
- int result = YAFFS_FAIL;
- int rename_allowed = 1;
- int notOldDir = 0;
- int notNewDir = 0;
- int oldLoop = 0;
- int newLoop = 0;
+ yaffs_Object *olddir = NULL;
+ yaffs_Object *newdir = NULL;
+ yaffs_Object *obj = NULL;
+ char *oldname;
+ char *newname;
+ int result= YAFFS_FAIL;
+ int renameAllowed = 1;
- YCHAR *alt_newpath = NULL;
+ yaffsfs_Lock();
- if (!oldPath || !newPath) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
+ olddir = yaffsfs_FindDirectory(NULL,oldPath,&oldname,0);
+ newdir = yaffsfs_FindDirectory(NULL,newPath,&newname,0);
+ obj = yaffsfs_FindObject(NULL,oldPath,0);
- if (yaffsfs_CheckPath(oldPath) < 0 || yaffsfs_CheckPath(newPath) < 0) {
- yaffsfs_SetError(-ENAMETOOLONG);
- return -1;
+ if(!olddir || !newdir || !obj)
+ {
+ // bad file
+ yaffsfs_SetError(-EBADF);
+ renameAllowed = 0;
}
-
- if (yaffsfs_alt_dir_path(newPath, &alt_newpath) < 0) {
- yaffsfs_SetError(-ENOMEM);
- return -1;
+ else if(olddir->myDev != newdir->myDev)
+ {
+ // oops must be on same device
+ // todo error
+ yaffsfs_SetError(-EXDEV);
+ renameAllowed = 0;
}
- if (alt_newpath)
- newPath = alt_newpath;
-
- yaffsfs_Lock();
-
- olddir = yaffsfs_FindDirectory(NULL, oldPath, &oldname, 0,
- ¬OldDir, &oldLoop);
- newdir = yaffsfs_FindDirectory(NULL, newPath, &newname, 0,
- ¬NewDir, &newLoop);
- obj = yaffsfs_FindObject(NULL, oldPath, 0, 0, NULL, NULL, NULL);
- newobj = yaffsfs_FindObject(NULL, newPath, 0, 0, NULL, NULL, NULL);
-
- /* If the object being renamed is a directory and the
- * path ended with a "/" then the olddir == obj.
- * We pass through NULL for the old name to tell the lower layers
- * to use olddir as the object.
- */
+ else if(obj && obj->variantType == YAFFS_OBJECT_TYPE_DIRECTORY)
+ {
+ // It is a directory, check that it is not being renamed to
+ // being its own decendent.
+ // Do this by tracing from the new directory back to the root, checking for obj
- if (olddir == obj)
- oldname = NULL;
+ yaffs_Object *xx = newdir;
- if ((!olddir && notOldDir) || (!newdir && notNewDir)) {
- yaffsfs_SetError(-ENOTDIR);
- rename_allowed = 0;
- } else if (oldLoop || newLoop) {
- yaffsfs_SetError(-ELOOP);
- rename_allowed = 0;
- } else if (olddir && oldname &&
- yaffs_strncmp(oldname, _Y("."), 2) == 0) {
- yaffsfs_SetError(-EINVAL);
- rename_allowed = 0;
- } else if (!olddir || !newdir || !obj) {
- yaffsfs_SetError(-ENOENT);
- rename_allowed = 0;
- } else if (obj->my_dev->read_only) {
- yaffsfs_SetError(-EROFS);
- rename_allowed = 0;
- } else if (yaffs_is_non_empty_dir(newobj)) {
- yaffsfs_SetError(-ENOTEMPTY);
- rename_allowed = 0;
- } else if (olddir->my_dev != newdir->my_dev) {
- /* Rename must be on same device */
- yaffsfs_SetError(-EXDEV);
- rename_allowed = 0;
- } else if (obj && obj->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY) {
- /*
- * It is a directory, check that it is not being renamed to
- * being its own decendent.
- * Do this by tracing from the new directory back to the root,
- * checking for obj
- */
-
- struct yaffs_obj *xx = newdir;
-
- while (rename_allowed && xx) {
- if (xx == obj)
- rename_allowed = 0;
+ while( renameAllowed && xx)
+ {
+ if(xx == obj)
+ {
+ renameAllowed = 0;
+ }
xx = xx->parent;
}
- if (!rename_allowed)
- yaffsfs_SetError(-EINVAL);
+ if(!renameAllowed) yaffsfs_SetError(-EACCESS);
}
- if (rename_allowed)
- result = yaffs_rename_obj(olddir, oldname, newdir, newname);
+ if(renameAllowed)
+ {
+ result = yaffs_RenameObject(olddir,oldname,newdir,newname);
+ }
yaffsfs_Unlock();
- kfree(alt_newpath);
-
return (result == YAFFS_FAIL) ? -1 : 0;
}
-static int yaffsfs_DoStat(struct yaffs_obj *obj, struct yaffs_stat *buf)
+
+static int yaffsfs_DoStat(yaffs_Object *obj,struct yaffs_stat *buf)
{
int retVal = -1;
- obj = yaffs_get_equivalent_obj(obj);
+ if(obj)
+ {
+ obj = yaffs_GetEquivalentObject(obj);
+ }
- if (obj && buf) {
- buf->st_dev = (int)obj->my_dev->os_context;
- buf->st_ino = obj->obj_id;
- buf->st_mode = obj->yst_mode & ~S_IFMT;
+ if(obj && buf)
+ {
+ buf->st_dev = (int)obj->myDev->genericDevice;
+ buf->st_ino = obj->objectId;
+ buf->st_mode = obj->yst_mode & ~S_IFMT; // clear out file type bits
- if (obj->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY)
+ if(obj->variantType == YAFFS_OBJECT_TYPE_DIRECTORY)
+ {
buf->st_mode |= S_IFDIR;
- else if (obj->variant_type == YAFFS_OBJECT_TYPE_SYMLINK)
+ }
+ else if(obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK)
+ {
buf->st_mode |= S_IFLNK;
- else if (obj->variant_type == YAFFS_OBJECT_TYPE_FILE)
+ }
+ else if(obj->variantType == YAFFS_OBJECT_TYPE_FILE)
+ {
buf->st_mode |= S_IFREG;
+ }
- buf->st_nlink = yaffs_get_obj_link_count(obj);
- buf->st_uid = 0;
- buf->st_gid = 0;
- buf->st_rdev = obj->yst_rdev;
- buf->st_size = yaffs_get_obj_length(obj);
- buf->st_blksize = obj->my_dev->data_bytes_per_chunk;
- buf->st_blocks = lldiv(buf->st_size + buf->st_blksize - 1,
- buf->st_blksize);
-#if CONFIG_YAFFS_WINCE
- buf->yst_wince_atime[0] = obj->win_atime[0];
- buf->yst_wince_atime[1] = obj->win_atime[1];
- buf->yst_wince_ctime[0] = obj->win_ctime[0];
- buf->yst_wince_ctime[1] = obj->win_ctime[1];
- buf->yst_wince_mtime[0] = obj->win_mtime[0];
- buf->yst_wince_mtime[1] = obj->win_mtime[1];
-#else
- buf->yst_atime = obj->yst_atime;
- buf->yst_ctime = obj->yst_ctime;
- buf->yst_mtime = obj->yst_mtime;
-#endif
+ buf->st_nlink = yaffs_GetObjectLinkCount(obj);
+ buf->st_uid = 0;
+ buf->st_gid = 0;;
+ buf->st_rdev = obj->yst_rdev;
+ buf->st_size = yaffs_GetObjectFileLength(obj);
+ buf->st_blksize = obj->myDev->nDataBytesPerChunk;
+ buf->st_blocks = (buf->st_size + buf->st_blksize -1)/buf->st_blksize;
+ buf->yst_atime = obj->yst_atime;
+ buf->yst_ctime = obj->yst_ctime;
+ buf->yst_mtime = obj->yst_mtime;
retVal = 0;
}
return retVal;
}
-static int yaffsfs_DoStatOrLStat(const YCHAR *path,
- struct yaffs_stat *buf, int doLStat)
-{
- struct yaffs_obj *obj = NULL;
- struct yaffs_obj *dir = NULL;
- int retVal = -1;
- int notDir = 0;
- int loop = 0;
-
- if (!path || !buf) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
-
- if (yaffsfs_CheckPath(path) < 0) {
- yaffsfs_SetError(-ENAMETOOLONG);
- return -1;
- }
-
- yaffsfs_Lock();
-
- obj = yaffsfs_FindObject(NULL, path, 0, 1, &dir, ¬Dir, &loop);
-
- if (!doLStat && obj)
- obj = yaffsfs_FollowLink(obj, 0, &loop);
-
- if (!dir && notDir)
- yaffsfs_SetError(-ENOTDIR);
- else if (loop)
- yaffsfs_SetError(-ELOOP);
- else if (!dir || !obj)
- yaffsfs_SetError(-ENOENT);
- else
- retVal = yaffsfs_DoStat(obj, buf);
-
- yaffsfs_Unlock();
-
- return retVal;
-
-}
-
-int yaffs_stat(const YCHAR *path, struct yaffs_stat *buf)
-{
- return yaffsfs_DoStatOrLStat(path, buf, 0);
-}
-
-int yaffs_lstat(const YCHAR *path, struct yaffs_stat *buf)
-{
- return yaffsfs_DoStatOrLStat(path, buf, 1);
-}
-
-int yaffs_fstat(int fd, struct yaffs_stat *buf)
+static int yaffsfs_DoStatOrLStat(const char *path, struct yaffs_stat *buf,int doLStat)
{
- struct yaffs_obj *obj;
+ yaffs_Object *obj;
int retVal = -1;
- if (!buf) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
-
yaffsfs_Lock();
- obj = yaffsfs_HandleToObject(fd);
-
- if (obj)
- retVal = yaffsfs_DoStat(obj, buf);
- else
- /* bad handle */
- yaffsfs_SetError(-EBADF);
-
- yaffsfs_Unlock();
-
- return retVal;
-}
-
-static int yaffsfs_DoUtime(struct yaffs_obj *obj,
- const struct yaffs_utimbuf *buf)
-{
- int retVal = -1;
- int result;
-
- struct yaffs_utimbuf local;
-
- obj = yaffs_get_equivalent_obj(obj);
-
- if (obj && obj->my_dev->read_only) {
- yaffsfs_SetError(-EROFS);
- return -1;
- }
-
- if (!buf) {
- local.actime = Y_CURRENT_TIME;
- local.modtime = local.actime;
- buf = &local;
- }
+ obj = yaffsfs_FindObject(NULL,path,0);
- if (obj) {
- obj->yst_atime = buf->actime;
- obj->yst_mtime = buf->modtime;
- obj->dirty = 1;
- result = yaffs_flush_file(obj, 0, 0);
- retVal = result == YAFFS_OK ? 0 : -1;
- }
-
- return retVal;
-}
-
-int yaffs_utime(const YCHAR *path, const struct yaffs_utimbuf *buf)
-{
- struct yaffs_obj *obj = NULL;
- struct yaffs_obj *dir = NULL;
- int retVal = -1;
- int notDir = 0;
- int loop = 0;
-
- if (!path) {
- yaffsfs_SetError(-EFAULT);
- return -1;
+ if(!doLStat && obj)
+ {
+ obj = yaffsfs_FollowLink(obj,0);
}
- if (yaffsfs_CheckPath(path) < 0) {
- yaffsfs_SetError(-ENAMETOOLONG);
- return -1;
+ if(obj)
+ {
+ retVal = yaffsfs_DoStat(obj,buf);
}
-
- yaffsfs_Lock();
-
- obj = yaffsfs_FindObject(NULL, path, 0, 1, &dir, ¬Dir, &loop);
-
- if (!dir && notDir)
- yaffsfs_SetError(-ENOTDIR);
- else if (loop)
- yaffsfs_SetError(-ELOOP);
- else if (!dir || !obj)
- yaffsfs_SetError(-ENOENT);
- else
- retVal = yaffsfs_DoUtime(obj, buf);
-
- yaffsfs_Unlock();
-
- return retVal;
-
-}
-
-int yaffs_futime(int fd, const struct yaffs_utimbuf *buf)
-{
- struct yaffs_obj *obj;
-
- int retVal = -1;
-
- yaffsfs_Lock();
- obj = yaffsfs_HandleToObject(fd);
-
- if (obj)
- retVal = yaffsfs_DoUtime(obj, buf);
else
- /* bad handle */
- yaffsfs_SetError(-EBADF);
+ {
+ // todo error not found
+ yaffsfs_SetError(-ENOENT);
+ }
yaffsfs_Unlock();
return retVal;
-}
-
-#ifndef CONFIG_YAFFS_WINCE
-/* xattrib functions */
-
-static int yaffs_do_setxattr(const YCHAR *path, const char *name,
- const void *data, int size, int flags, int follow)
-{
- struct yaffs_obj *obj;
- struct yaffs_obj *dir;
- int notDir = 0;
- int loop = 0;
-
- int retVal = -1;
-
- if (!path || !name || !data) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
-
- if (yaffsfs_CheckPath(path) < 0) {
- yaffsfs_SetError(-ENAMETOOLONG);
- return -1;
- }
-
- yaffsfs_Lock();
-
- obj = yaffsfs_FindObject(NULL, path, 0, 1, &dir, ¬Dir, &loop);
-
- if (follow)
- obj = yaffsfs_FollowLink(obj, 0, &loop);
-
- if (!dir && notDir)
- yaffsfs_SetError(-ENOTDIR);
- else if (loop)
- yaffsfs_SetError(-ELOOP);
- else if (!dir || !obj)
- yaffsfs_SetError(-ENOENT);
- else {
- retVal = yaffs_set_xattrib(obj, name, data, size, flags);
- if (retVal < 0) {
- yaffsfs_SetError(retVal);
- retVal = -1;
- }
- }
-
- yaffsfs_Unlock();
-
- return retVal;
-
-}
-
-int yaffs_setxattr(const YCHAR *path, const char *name,
- const void *data, int size, int flags)
-{
- return yaffs_do_setxattr(path, name, data, size, flags, 1);
-}
-
-int yaffs_lsetxattr(const YCHAR *path, const char *name,
- const void *data, int size, int flags)
-{
- return yaffs_do_setxattr(path, name, data, size, flags, 0);
-}
-
-int yaffs_fsetxattr(int fd, const char *name,
- const void *data, int size, int flags)
-{
- struct yaffs_obj *obj;
-
- int retVal = -1;
-
- if (!name || !data) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
-
- yaffsfs_Lock();
- obj = yaffsfs_HandleToObject(fd);
-
- if (!obj)
- yaffsfs_SetError(-EBADF);
- else {
- retVal = yaffs_set_xattrib(obj, name, data, size, flags);
- if (retVal < 0) {
- yaffsfs_SetError(retVal);
- retVal = -1;
- }
- }
-
- yaffsfs_Unlock();
-
- return retVal;
-}
-
-static int yaffs_do_getxattr(const YCHAR *path, const char *name,
- void *data, int size, int follow)
-{
- struct yaffs_obj *obj;
- struct yaffs_obj *dir;
- int retVal = -1;
- int notDir = 0;
- int loop = 0;
-
- if (!path || !name || !data) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
-
- if (yaffsfs_CheckPath(path) < 0) {
- yaffsfs_SetError(-ENAMETOOLONG);
- return -1;
- }
-
- yaffsfs_Lock();
-
- obj = yaffsfs_FindObject(NULL, path, 0, 1, &dir, ¬Dir, &loop);
-
- if (follow)
- obj = yaffsfs_FollowLink(obj, 0, &loop);
-
- if (!dir && notDir)
- yaffsfs_SetError(-ENOTDIR);
- else if (loop)
- yaffsfs_SetError(-ELOOP);
- else if (!dir || !obj)
- yaffsfs_SetError(-ENOENT);
- else {
- retVal = yaffs_get_xattrib(obj, name, data, size);
- if (retVal < 0) {
- yaffsfs_SetError(retVal);
- retVal = -1;
- }
- }
- yaffsfs_Unlock();
-
- return retVal;
-
-}
-
-int yaffs_getxattr(const YCHAR *path, const char *name, void *data, int size)
-{
- return yaffs_do_getxattr(path, name, data, size, 1);
-}
-
-int yaffs_lgetxattr(const YCHAR *path, const char *name, void *data, int size)
-{
- return yaffs_do_getxattr(path, name, data, size, 0);
-}
-
-int yaffs_fgetxattr(int fd, const char *name, void *data, int size)
-{
- struct yaffs_obj *obj;
-
- int retVal = -1;
-
- if (!name || !data) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
-
- yaffsfs_Lock();
- obj = yaffsfs_HandleToObject(fd);
-
- if (obj) {
- retVal = yaffs_get_xattrib(obj, name, data, size);
- if (retVal < 0) {
- yaffsfs_SetError(retVal);
- retVal = -1;
- }
- } else
- /* bad handle */
- yaffsfs_SetError(-EBADF);
-
- yaffsfs_Unlock();
-
- return retVal;
-}
-
-static int yaffs_do_listxattr(const YCHAR *path, char *data,
- int size, int follow)
-{
- struct yaffs_obj *obj = NULL;
- struct yaffs_obj *dir = NULL;
- int retVal = -1;
- int notDir = 0;
- int loop = 0;
-
- if (!path || !data) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
-
- if (yaffsfs_CheckPath(path) < 0) {
- yaffsfs_SetError(-ENAMETOOLONG);
- return -1;
- }
-
- yaffsfs_Lock();
-
- obj = yaffsfs_FindObject(NULL, path, 0, 1, &dir, ¬Dir, &loop);
-
- if (follow)
- obj = yaffsfs_FollowLink(obj, 0, &loop);
-
- if (!dir && notDir)
- yaffsfs_SetError(-ENOTDIR);
- else if (loop)
- yaffsfs_SetError(-ELOOP);
- else if (!dir || !obj)
- yaffsfs_SetError(-ENOENT);
- else {
- retVal = yaffs_list_xattrib(obj, data, size);
- if (retVal < 0) {
- yaffsfs_SetError(retVal);
- retVal = -1;
- }
- }
-
- yaffsfs_Unlock();
-
- return retVal;
-
-}
-
-int yaffs_listxattr(const YCHAR *path, char *data, int size)
-{
- return yaffs_do_listxattr(path, data, size, 1);
-}
-
-int yaffs_llistxattr(const YCHAR *path, char *data, int size)
-{
- return yaffs_do_listxattr(path, data, size, 0);
-}
-
-int yaffs_flistxattr(int fd, char *data, int size)
-{
- struct yaffs_obj *obj;
-
- int retVal = -1;
-
- if (!data) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
-
- yaffsfs_Lock();
- obj = yaffsfs_HandleToObject(fd);
-
- if (obj) {
- retVal = yaffs_list_xattrib(obj, data, size);
- if (retVal < 0) {
- yaffsfs_SetError(retVal);
- retVal = -1;
- }
- } else
- /* bad handle */
- yaffsfs_SetError(-EBADF);
-
- yaffsfs_Unlock();
-
- return retVal;
-}
-
-static int yaffs_do_removexattr(const YCHAR *path, const char *name,
- int follow)
-{
- struct yaffs_obj *obj = NULL;
- struct yaffs_obj *dir = NULL;
- int notDir = 0;
- int loop = 0;
- int retVal = -1;
-
- if (!path || !name) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
-
- if (yaffsfs_CheckPath(path) < 0) {
- yaffsfs_SetError(-ENAMETOOLONG);
- return -1;
- }
-
- yaffsfs_Lock();
-
- obj = yaffsfs_FindObject(NULL, path, 0, 1, &dir, ¬Dir, &loop);
-
- if (follow)
- obj = yaffsfs_FollowLink(obj, 0, &loop);
-
- if (!dir && notDir)
- yaffsfs_SetError(-ENOTDIR);
- else if (loop)
- yaffsfs_SetError(-ELOOP);
- else if (!dir || !obj)
- yaffsfs_SetError(-ENOENT);
- else {
- retVal = yaffs_remove_xattrib(obj, name);
- if (retVal < 0) {
- yaffsfs_SetError(retVal);
- retVal = -1;
- }
- }
-
- yaffsfs_Unlock();
-
- return retVal;
-
-}
-
-int yaffs_removexattr(const YCHAR *path, const char *name)
-{
- return yaffs_do_removexattr(path, name, 1);
-}
-
-int yaffs_lremovexattr(const YCHAR *path, const char *name)
-{
- return yaffs_do_removexattr(path, name, 0);
-}
-
-int yaffs_fremovexattr(int fd, const char *name)
-{
- struct yaffs_obj *obj;
-
- int retVal = -1;
-
- if (!name) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
-
- yaffsfs_Lock();
- obj = yaffsfs_HandleToObject(fd);
-
- if (obj) {
- retVal = yaffs_remove_xattrib(obj, name);
- if (retVal < 0) {
- yaffsfs_SetError(retVal);
- retVal = -1;
- }
- } else
- /* bad handle */
- yaffsfs_SetError(-EBADF);
-
- yaffsfs_Unlock();
-
- return retVal;
-}
-#endif
-
-#ifdef CONFIG_YAFFS_WINCE
-int yaffs_get_wince_times(int fd, unsigned *wctime,
- unsigned *watime, unsigned *wmtime)
-{
- struct yaffs_obj *obj;
-
- int retVal = -1;
-
- yaffsfs_Lock();
- obj = yaffsfs_HandleToObject(fd);
-
- if (obj) {
-
- if (wctime) {
- wctime[0] = obj->win_ctime[0];
- wctime[1] = obj->win_ctime[1];
- }
- if (watime) {
- watime[0] = obj->win_atime[0];
- watime[1] = obj->win_atime[1];
- }
- if (wmtime) {
- wmtime[0] = obj->win_mtime[0];
- wmtime[1] = obj->win_mtime[1];
- }
-
- retVal = 0;
- } else
- /* bad handle */
- yaffsfs_SetError(-EBADF);
-
- yaffsfs_Unlock();
-
- return retVal;
-}
-
-int yaffs_set_wince_times(int fd,
- const unsigned *wctime,
- const unsigned *watime, const unsigned *wmtime)
-{
- struct yaffs_obj *obj;
- int result;
- int retVal = -1;
-
- yaffsfs_Lock();
- obj = yaffsfs_HandleToObject(fd);
-
- if (obj) {
-
- if (wctime) {
- obj->win_ctime[0] = wctime[0];
- obj->win_ctime[1] = wctime[1];
- }
- if (watime) {
- obj->win_atime[0] = watime[0];
- obj->win_atime[1] = watime[1];
- }
- if (wmtime) {
- obj->win_mtime[0] = wmtime[0];
- obj->win_mtime[1] = wmtime[1];
- }
-
- obj->dirty = 1;
- result = yaffs_flush_file(obj, 0, 0);
- retVal = 0;
- } else
- /* bad handle */
- yaffsfs_SetError(-EBADF);
-
- yaffsfs_Unlock();
-
- return retVal;
-}
-
-#endif
-
-static int yaffsfs_DoChMod(struct yaffs_obj *obj, mode_t mode)
-{
- int result = -1;
-
- if (obj)
- obj = yaffs_get_equivalent_obj(obj);
-
- if (obj) {
- obj->yst_mode = mode;
- obj->dirty = 1;
- result = yaffs_flush_file(obj, 0, 0);
- }
-
- return result == YAFFS_OK ? 0 : -1;
-}
-
-int yaffs_access(const YCHAR *path, int amode)
-{
- struct yaffs_obj *obj = NULL;
- struct yaffs_obj *dir = NULL;
- int notDir = 0;
- int loop = 0;
- int retval = -1;
-
- if (!path) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
-
- if (yaffsfs_CheckPath(path) < 0) {
- yaffsfs_SetError(-ENAMETOOLONG);
- return -1;
- }
-
- if (amode & ~(R_OK | W_OK | X_OK)) {
- yaffsfs_SetError(-EINVAL);
- return -1;
- }
-
- yaffsfs_Lock();
-
- obj = yaffsfs_FindObject(NULL, path, 0, 1, &dir, ¬Dir, &loop);
- obj = yaffsfs_FollowLink(obj, 0, &loop);
-
- if (!dir && notDir)
- yaffsfs_SetError(-ENOTDIR);
- else if (loop)
- yaffsfs_SetError(-ELOOP);
- else if (!dir || !obj)
- yaffsfs_SetError(-ENOENT);
- else if ((amode & W_OK) && obj->my_dev->read_only)
- yaffsfs_SetError(-EROFS);
- else {
- int access_ok = 1;
-
- if ((amode & R_OK) && !(obj->yst_mode & S_IREAD))
- access_ok = 0;
- if ((amode & W_OK) && !(obj->yst_mode & S_IWRITE))
- access_ok = 0;
- if ((amode & X_OK) && !(obj->yst_mode & S_IEXEC))
- access_ok = 0;
-
- if (!access_ok)
- yaffsfs_SetError(-EACCES);
- else
- retval = 0;
- }
-
- yaffsfs_Unlock();
-
- return retval;
-
-}
-
-int yaffs_chmod(const YCHAR *path, mode_t mode)
-{
- struct yaffs_obj *obj = NULL;
- struct yaffs_obj *dir = NULL;
- int retVal = -1;
- int notDir = 0;
- int loop = 0;
-
- if (!path) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
-
- if (yaffsfs_CheckPath(path) < 0) {
- yaffsfs_SetError(-ENAMETOOLONG);
- return -1;
- }
-
- if (mode & ~(0777)) {
- yaffsfs_SetError(-EINVAL);
- return -1;
- }
-
- yaffsfs_Lock();
-
- obj = yaffsfs_FindObject(NULL, path, 0, 1, &dir, ¬Dir, &loop);
- obj = yaffsfs_FollowLink(obj, 0, &loop);
-
- if (!dir && notDir)
- yaffsfs_SetError(-ENOTDIR);
- else if (loop)
- yaffsfs_SetError(-ELOOP);
- else if (!dir || !obj)
- yaffsfs_SetError(-ENOENT);
- else if (obj->my_dev->read_only)
- yaffsfs_SetError(-EROFS);
- else
- retVal = yaffsfs_DoChMod(obj, mode);
-
- yaffsfs_Unlock();
-
- return retVal;
-
-}
-
-int yaffs_fchmod(int fd, mode_t mode)
-{
- struct yaffs_obj *obj;
- int retVal = -1;
-
- if (mode & ~(0777)) {
- yaffsfs_SetError(-EINVAL);
- return -1;
- }
-
- yaffsfs_Lock();
- obj = yaffsfs_HandleToObject(fd);
-
- if (!obj)
- yaffsfs_SetError(-EBADF);
- else if (obj->my_dev->read_only)
- yaffsfs_SetError(-EROFS);
- else
- retVal = yaffsfs_DoChMod(obj, mode);
-
- yaffsfs_Unlock();
-
- return retVal;
-}
-
-int yaffs_mkdir(const YCHAR *path, mode_t mode)
-{
- struct yaffs_obj *parent = NULL;
- struct yaffs_obj *dir = NULL;
- YCHAR *name;
- YCHAR *alt_path = NULL;
- int retVal = -1;
- int notDir = 0;
- int loop = 0;
-
- if (!path) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
-
- if (yaffsfs_CheckPath(path) < 0) {
- yaffsfs_SetError(-ENAMETOOLONG);
- return -1;
- }
-
- if (yaffsfs_alt_dir_path(path, &alt_path) < 0) {
- yaffsfs_SetError(-ENOMEM);
- return -1;
- }
- if (alt_path)
- path = alt_path;
-
- yaffsfs_Lock();
- parent = yaffsfs_FindDirectory(NULL, path, &name, 0, ¬Dir, &loop);
- if (!parent && notDir)
- yaffsfs_SetError(-ENOTDIR);
- else if (loop)
- yaffsfs_SetError(-ELOOP);
- else if (!parent)
- yaffsfs_SetError(-ENOENT);
- else if (yaffsfs_TooManyObjects(parent->my_dev))
- yaffsfs_SetError(-ENFILE);
- else if (yaffs_strnlen(name, 5) == 0) {
- /* Trying to make the root itself */
- yaffsfs_SetError(-EEXIST);
- } else if (parent->my_dev->read_only)
- yaffsfs_SetError(-EROFS);
- else {
- dir = yaffs_create_dir(parent, name, mode, 0, 0);
- if (dir)
- retVal = 0;
- else if (yaffs_find_by_name(parent, name))
- yaffsfs_SetError(-EEXIST); /* name exists */
- else
- yaffsfs_SetError(-ENOSPC); /* assume no space */
- }
- yaffsfs_Unlock();
+}
- kfree(alt_path);
+int yaffs_stat(const char *path, struct yaffs_stat *buf)
+{
+ return yaffsfs_DoStatOrLStat(path,buf,0);
+}
- return retVal;
+int yaffs_lstat(const char *path, struct yaffs_stat *buf)
+{
+ return yaffsfs_DoStatOrLStat(path,buf,1);
}
-int yaffs_rmdir(const YCHAR *path)
+int yaffs_fstat(int fd, struct yaffs_stat *buf)
{
- int result;
- YCHAR *alt_path;
+ yaffs_Object *obj;
- if (!path) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
+ int retVal = -1;
- if (yaffsfs_CheckPath(path) < 0) {
- yaffsfs_SetError(-ENAMETOOLONG);
- return -1;
- }
+ yaffsfs_Lock();
+ obj = yaffsfs_GetHandleObject(fd);
- if (yaffsfs_alt_dir_path(path, &alt_path) < 0) {
- yaffsfs_SetError(-ENOMEM);
- return -1;
+ if(obj)
+ {
+ retVal = yaffsfs_DoStat(obj,buf);
+ }
+ else
+ {
+ // bad handle
+ yaffsfs_SetError(-EBADF);
}
- if (alt_path)
- path = alt_path;
- result = yaffsfs_DoUnlink(path, 1);
-
- kfree(alt_path);
- return result;
-}
+ yaffsfs_Unlock();
-void *yaffs_getdev(const YCHAR *path)
-{
- struct yaffs_dev *dev = NULL;
- YCHAR *dummy;
- dev = yaffsfs_FindDevice(path, &dummy);
- return (void *)dev;
+ return retVal;
}
-int yaffs_mount_common(const YCHAR *path, int read_only, int skip_checkpt)
+static int yaffsfs_DoChMod(yaffs_Object *obj,mode_t mode)
{
- int retVal = -1;
int result = YAFFS_FAIL;
- struct yaffs_dev *dev = NULL;
- if (!path) {
- yaffsfs_SetError(-EFAULT);
- return -1;
+ if(obj)
+ {
+ obj = yaffs_GetEquivalentObject(obj);
}
- yaffs_trace(YAFFS_TRACE_MOUNT, "yaffs: Mounting %s", path);
-
- if (yaffsfs_CheckPath(path) < 0) {
- yaffsfs_SetError(-ENAMETOOLONG);
- return -1;
+ if(obj)
+ {
+ obj->yst_mode = mode;
+ obj->dirty = 1;
+ result = yaffs_FlushFile(obj,0);
}
- yaffsfs_Lock();
+ return result == YAFFS_OK ? 0 : -1;
+}
- yaffsfs_InitHandles();
- dev = yaffsfs_FindMountPoint(path);
- if (dev) {
- if (!dev->is_mounted) {
- dev->read_only = read_only ? 1 : 0;
- if (skip_checkpt) {
- u8 skip = dev->param.skip_checkpt_rd;
- dev->param.skip_checkpt_rd = 1;
- result = yaffs_guts_initialise(dev);
- dev->param.skip_checkpt_rd = skip;
- } else {
- result = yaffs_guts_initialise(dev);
- }
+int yaffs_chmod(const char *path, mode_t mode)
+{
+ yaffs_Object *obj;
- if (result == YAFFS_FAIL)
- yaffsfs_SetError(-ENOMEM);
- retVal = result ? 0 : -1;
+ int retVal = -1;
- } else
- yaffsfs_SetError(-EBUSY);
- } else
- yaffsfs_SetError(-ENODEV);
+ yaffsfs_Lock();
+ obj = yaffsfs_FindObject(NULL,path,0);
+
+ if(obj)
+ {
+ retVal = yaffsfs_DoChMod(obj,mode);
+ }
+ else
+ {
+ // todo error not found
+ yaffsfs_SetError(-ENOENT);
+ }
yaffsfs_Unlock();
+
return retVal;
}
-int yaffs_mount2(const YCHAR *path, int readonly)
-{
- return yaffs_mount_common(path, readonly, 0);
-}
-int yaffs_mount(const YCHAR *path)
+int yaffs_fchmod(int fd, mode_t mode)
{
- return yaffs_mount_common(path, 0, 0);
-}
+ yaffs_Object *obj;
-int yaffs_sync(const YCHAR *path)
-{
int retVal = -1;
- struct yaffs_dev *dev = NULL;
- YCHAR *dummy;
-
- if (!path) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
-
- if (yaffsfs_CheckPath(path) < 0) {
- yaffsfs_SetError(-ENAMETOOLONG);
- return -1;
- }
yaffsfs_Lock();
- dev = yaffsfs_FindDevice(path, &dummy);
- if (dev) {
- if (!dev->is_mounted)
- yaffsfs_SetError(-EINVAL);
- else if (dev->read_only)
- yaffsfs_SetError(-EROFS);
- else {
+ obj = yaffsfs_GetHandleObject(fd);
- yaffs_flush_whole_cache(dev);
- yaffs_checkpoint_save(dev);
- retVal = 0;
-
- }
- } else
- yaffsfs_SetError(-ENODEV);
+ if(obj)
+ {
+ retVal = yaffsfs_DoChMod(obj,mode);
+ }
+ else
+ {
+ // bad handle
+ yaffsfs_SetError(-EBADF);
+ }
yaffsfs_Unlock();
+
return retVal;
}
-static int yaffsfs_IsDevBusy(struct yaffs_dev *dev)
+
+int yaffs_mkdir(const char *path, mode_t mode)
{
- int i;
- struct yaffs_obj *obj;
+ yaffs_Object *parent = NULL;
+ yaffs_Object *dir = NULL;
+ char *name;
+ int retVal= -1;
- for (i = 0; i < YAFFSFS_N_HANDLES; i++) {
- obj = yaffsfs_HandleToObject(i);
- if (obj && obj->my_dev == dev)
- return 1;
+ yaffsfs_Lock();
+ parent = yaffsfs_FindDirectory(NULL,path,&name,0);
+ if(parent)
+ dir = yaffs_MknodDirectory(parent,name,mode,0,0);
+ if(dir)
+ {
+ retVal = 0;
}
- return 0;
+ else
+ {
+ yaffsfs_SetError(-ENOSPC); // just assume no space for now
+ retVal = -1;
+ }
+
+ yaffsfs_Unlock();
+
+ return retVal;
}
-int yaffs_remount(const YCHAR *path, int force, int read_only)
+int yaffs_mount(const char *path)
{
- int retVal = -1;
- struct yaffs_dev *dev = NULL;
-
- if (!path) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
+ int retVal=-1;
+ int result=YAFFS_FAIL;
+ yaffs_Device *dev=NULL;
+ char *dummy;
- if (yaffsfs_CheckPath(path) < 0) {
- yaffsfs_SetError(-ENAMETOOLONG);
- return -1;
- }
+ T(YAFFS_TRACE_ALWAYS,("yaffs: Mounting %s\n",path));
yaffsfs_Lock();
- dev = yaffsfs_FindMountPoint(path);
- if (dev) {
- if (dev->is_mounted) {
- yaffs_flush_whole_cache(dev);
-
- if (force || !yaffsfs_IsDevBusy(dev)) {
- if (read_only)
- yaffs_checkpoint_save(dev);
- dev->read_only = read_only ? 1 : 0;
- retVal = 0;
- } else
- yaffsfs_SetError(-EBUSY);
-
- } else
- yaffsfs_SetError(-EINVAL);
+ dev = yaffsfs_FindDevice(path,&dummy);
+ if(dev)
+ {
+ if(!dev->isMounted)
+ {
+ result = yaffs_GutsInitialise(dev);
+ if(result == YAFFS_FAIL)
+ {
+ // todo error - mount failed
+ yaffsfs_SetError(-ENOMEM);
+ }
+ retVal = result ? 0 : -1;
- } else
+ }
+ else
+ {
+ //todo error - already mounted.
+ yaffsfs_SetError(-EBUSY);
+ }
+ }
+ else
+ {
+ // todo error - no device
yaffsfs_SetError(-ENODEV);
-
+ }
yaffsfs_Unlock();
return retVal;
}
-int yaffs_unmount2(const YCHAR *path, int force)
+int yaffs_unmount(const char *path)
{
- int retVal = -1;
- struct yaffs_dev *dev = NULL;
-
- if (!path) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
-
- if (yaffsfs_CheckPath(path) < 0) {
- yaffsfs_SetError(-ENAMETOOLONG);
- return -1;
- }
+ int retVal=-1;
+ yaffs_Device *dev=NULL;
+ char *dummy;
yaffsfs_Lock();
- dev = yaffsfs_FindMountPoint(path);
- if (dev) {
- if (dev->is_mounted) {
+ dev = yaffsfs_FindDevice(path,&dummy);
+ if(dev)
+ {
+ if(dev->isMounted)
+ {
+ int i;
int inUse;
- yaffs_flush_whole_cache(dev);
- yaffs_checkpoint_save(dev);
- inUse = yaffsfs_IsDevBusy(dev);
- if (!inUse || force) {
- if (inUse)
- yaffsfs_BreakDeviceHandles(dev);
- yaffs_deinitialise(dev);
+
+ yaffs_FlushEntireDeviceCache(dev);
+ yaffs_CheckpointSave(dev);
+
+ for(i = inUse = 0; i < YAFFSFS_N_HANDLES && !inUse; i++)
+ {
+ if(yaffsfs_handle[i].inUse && yaffsfs_handle[i].obj->myDev == dev)
+ {
+ inUse = 1; // the device is in use, can't unmount
+ }
+ }
+
+ if(!inUse)
+ {
+ yaffs_Deinitialise(dev);
retVal = 0;
- } else
+ }
+ else
+ {
+ // todo error can't unmount as files are open
yaffsfs_SetError(-EBUSY);
+ }
- } else
+ }
+ else
+ {
+ //todo error - not mounted.
yaffsfs_SetError(-EINVAL);
- } else
+ }
+ }
+ else
+ {
+ // todo error - no device
yaffsfs_SetError(-ENODEV);
-
+ }
yaffsfs_Unlock();
return retVal;
}
-int yaffs_unmount(const YCHAR *path)
-{
- return yaffs_unmount2(path, 0);
-}
-
-loff_t yaffs_freespace(const YCHAR *path)
+loff_t yaffs_freespace(const char *path)
{
- loff_t retVal = -1;
- struct yaffs_dev *dev = NULL;
- YCHAR *dummy;
-
- if (!path) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
-
- if (yaffsfs_CheckPath(path) < 0) {
- yaffsfs_SetError(-ENAMETOOLONG);
- return -1;
- }
+ loff_t retVal=-1;
+ yaffs_Device *dev=NULL;
+ char *dummy;
yaffsfs_Lock();
- dev = yaffsfs_FindDevice(path, &dummy);
- if (dev && dev->is_mounted) {
- retVal = yaffs_get_n_free_chunks(dev);
- retVal *= dev->data_bytes_per_chunk;
-
- } else
- yaffsfs_SetError(-EINVAL);
-
- yaffsfs_Unlock();
- return retVal;
-}
-
-loff_t yaffs_totalspace(const YCHAR *path)
-{
- loff_t retVal = -1;
- struct yaffs_dev *dev = NULL;
- YCHAR *dummy;
+ dev = yaffsfs_FindDevice(path,&dummy);
+ if(dev && dev->isMounted)
+ {
+ retVal = yaffs_GetNumberOfFreeChunks(dev);
+ retVal *= dev->nDataBytesPerChunk;
- if (!path) {
- yaffsfs_SetError(-EFAULT);
- return -1;
}
-
- if (yaffsfs_CheckPath(path) < 0) {
- yaffsfs_SetError(-ENAMETOOLONG);
- return -1;
- }
-
- yaffsfs_Lock();
- dev = yaffsfs_FindDevice(path, &dummy);
- if (dev && dev->is_mounted) {
- retVal = (dev->param.end_block - dev->param.start_block + 1) -
- dev->param.n_reserved_blocks;
- retVal *= dev->param.chunks_per_block;
- retVal *= dev->data_bytes_per_chunk;
-
- } else
+ else
+ {
yaffsfs_SetError(-EINVAL);
+ }
yaffsfs_Unlock();
return retVal;
}
-int yaffs_inodecount(const YCHAR *path)
-{
- loff_t retVal = -1;
- struct yaffs_dev *dev = NULL;
- YCHAR *dummy;
- if (!path) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
- if (yaffsfs_CheckPath(path) < 0) {
- yaffsfs_SetError(-ENAMETOOLONG);
- return -1;
- }
+void yaffs_initialise(yaffsfs_DeviceConfiguration *cfgList)
+{
- yaffsfs_Lock();
- dev = yaffsfs_FindDevice(path, &dummy);
- if (dev && dev->is_mounted) {
- int n_obj = dev->n_obj;
- if (n_obj > dev->n_hardlinks)
- retVal = n_obj - dev->n_hardlinks;
- }
+ yaffsfs_DeviceConfiguration *cfg;
- if (retVal < 0)
- yaffsfs_SetError(-EINVAL);
+ yaffsfs_configurationList = cfgList;
- yaffsfs_Unlock();
- return retVal;
-}
+ yaffsfs_InitHandles();
-void yaffs_add_device(struct yaffs_dev *dev)
-{
- struct list_head *cfg;
- /* First check that the device is not in the list. */
+ cfg = yaffsfs_configurationList;
- list_for_each(cfg, &yaffsfs_deviceList) {
- if (dev == list_entry(cfg, struct yaffs_dev, dev_list))
- return;
+ while(cfg && cfg->prefix && cfg->dev)
+ {
+ cfg->dev->isMounted = 0;
+ cfg->dev->removeObjectCallback = yaffsfs_RemoveObjectCallback;
+ cfg++;
}
-
- dev->is_mounted = 0;
- dev->param.remove_obj_fn = yaffsfs_RemoveObjectCallback;
-
- if (!dev->dev_list.next)
- INIT_LIST_HEAD(&dev->dev_list);
-
- list_add(&dev->dev_list, &yaffsfs_deviceList);
}
-void yaffs_remove_device(struct yaffs_dev *dev)
-{
- list_del_init(&dev->dev_list);
-}
-/* Functions to iterate through devices. NB Use with extreme care! */
+//
+// Directory search stuff.
-static struct list_head *dev_iterator;
-void yaffs_dev_rewind(void)
-{
- dev_iterator = yaffsfs_deviceList.next;
-}
+//
+// Directory search context
+//
+// NB this is an opaque structure.
-struct yaffs_dev *yaffs_next_dev(void)
-{
- struct yaffs_dev *retval;
- if (!dev_iterator)
- return NULL;
- if (dev_iterator == &yaffsfs_deviceList)
- return NULL;
+typedef struct
+{
+ __u32 magic;
+ yaffs_dirent de; /* directory entry being used by this dsc */
+ char name[NAME_MAX+1]; /* name of directory being searched */
+ yaffs_Object *dirObj; /* ptr to directory being searched */
+ yaffs_Object *nextReturn; /* obj to be returned by next readddir */
+ int offset;
+ struct list_head others;
+} yaffsfs_DirectorySearchContext;
- retval = list_entry(dev_iterator, struct yaffs_dev, dev_list);
- dev_iterator = dev_iterator->next;
- return retval;
-}
-/* Directory search stuff. */
static struct list_head search_contexts;
-static void yaffsfs_SetDirRewound(struct yaffsfs_DirSearchContxt *dsc)
+
+static void yaffsfs_SetDirRewound(yaffsfs_DirectorySearchContext *dsc)
{
- if (dsc &&
- dsc->dirObj &&
- dsc->dirObj->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY) {
+ if(dsc &&
+ dsc->dirObj &&
+ dsc->dirObj->variantType == YAFFS_OBJECT_TYPE_DIRECTORY){
- dsc->offset = 0;
+ dsc->offset = 0;
- if (list_empty(&dsc->dirObj->variant.dir_variant.children))
- dsc->nextReturn = NULL;
- else
- dsc->nextReturn =
- list_entry(dsc->dirObj->variant.dir_variant.
- children.next, struct yaffs_obj,
- siblings);
+ if( list_empty(&dsc->dirObj->variant.directoryVariant.children)){
+ dsc->nextReturn = NULL;
+ } else {
+ dsc->nextReturn = list_entry(dsc->dirObj->variant.directoryVariant.children.next,
+ yaffs_Object,siblings);
+ }
} else {
/* Hey someone isn't playing nice! */
}
}
-static void yaffsfs_DirAdvance(struct yaffsfs_DirSearchContxt *dsc)
+static void yaffsfs_DirAdvance(yaffsfs_DirectorySearchContext *dsc)
{
- if (dsc &&
- dsc->dirObj &&
- dsc->dirObj->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY) {
-
- if (dsc->nextReturn == NULL ||
- list_empty(&dsc->dirObj->variant.dir_variant.children))
- dsc->nextReturn = NULL;
- else {
- struct list_head *next = dsc->nextReturn->siblings.next;
-
- if (next == &dsc->dirObj->variant.dir_variant.children)
- dsc->nextReturn = NULL; /* end of list */
- else
- dsc->nextReturn = list_entry(next,
- struct yaffs_obj,
- siblings);
- }
+ if(dsc &&
+ dsc->dirObj &&
+ dsc->dirObj->variantType == YAFFS_OBJECT_TYPE_DIRECTORY){
+
+ if( dsc->nextReturn == NULL ||
+ list_empty(&dsc->dirObj->variant.directoryVariant.children)){
+ dsc->nextReturn = NULL;
+ } else {
+ struct list_head *next = dsc->nextReturn->siblings.next;
+
+ if( next == &dsc->dirObj->variant.directoryVariant.children)
+ dsc->nextReturn = NULL; /* end of list */
+ else
+ dsc->nextReturn = list_entry(next,yaffs_Object,siblings);
+ }
} else {
/* Hey someone isn't playing nice! */
}
}
-static void yaffsfs_RemoveObjectCallback(struct yaffs_obj *obj)
+static void yaffsfs_RemoveObjectCallback(yaffs_Object *obj)
{
struct list_head *i;
- struct yaffsfs_DirSearchContxt *dsc;
+ yaffsfs_DirectorySearchContext *dsc;
/* if search contexts not initilised then skip */
- if (!search_contexts.next)
+ if(!search_contexts.next)
return;
- /* Iterate through the directory search contexts.
+ /* Iteratethrough the directory search contexts.
* If any are the one being removed, then advance the dsc to
* the next one to prevent a hanging ptr.
*/
- list_for_each(i, &search_contexts) {
+ list_for_each(i, &search_contexts) {
if (i) {
- dsc = list_entry(i, struct yaffsfs_DirSearchContxt,
- others);
- if (dsc->nextReturn == obj)
+ dsc = list_entry(i, yaffsfs_DirectorySearchContext,others);
+ if(dsc->nextReturn == obj)
yaffsfs_DirAdvance(dsc);
}
}
}
-yaffs_DIR *yaffs_opendir(const YCHAR *dirname)
+yaffs_DIR *yaffs_opendir(const char *dirname)
{
yaffs_DIR *dir = NULL;
- struct yaffs_obj *obj = NULL;
- struct yaffsfs_DirSearchContxt *dsc = NULL;
- int notDir = 0;
- int loop = 0;
-
- if (!dirname) {
- yaffsfs_SetError(-EFAULT);
- return NULL;
- }
-
- if (yaffsfs_CheckPath(dirname) < 0) {
- yaffsfs_SetError(-ENAMETOOLONG);
- return NULL;
- }
+ yaffs_Object *obj = NULL;
+ yaffsfs_DirectorySearchContext *dsc = NULL;
yaffsfs_Lock();
- obj = yaffsfs_FindObject(NULL, dirname, 0, 1, NULL, ¬Dir, &loop);
-
- if (!obj && notDir)
- yaffsfs_SetError(-ENOTDIR);
- else if (loop)
- yaffsfs_SetError(-ELOOP);
- else if (!obj)
- yaffsfs_SetError(-ENOENT);
- else if (obj->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY)
- yaffsfs_SetError(-ENOTDIR);
- else {
- int i;
-
- for (i = 0, dsc = NULL; i < YAFFSFS_N_DSC && !dsc; i++) {
- if (!yaffsfs_dsc[i].inUse)
- dsc = &yaffsfs_dsc[i];
- }
+ obj = yaffsfs_FindObject(NULL,dirname,0);
- dir = (yaffs_DIR *) dsc;
+ if(obj && obj->variantType == YAFFS_OBJECT_TYPE_DIRECTORY)
+ {
- if (dsc) {
- memset(dsc, 0, sizeof(struct yaffsfs_DirSearchContxt));
- dsc->inUse = 1;
+ dsc = YMALLOC(sizeof(yaffsfs_DirectorySearchContext));
+ dir = (yaffs_DIR *)dsc;
+ if(dsc)
+ {
+ memset(dsc,0,sizeof(yaffsfs_DirectorySearchContext));
+ dsc->magic = YAFFS_MAGIC;
dsc->dirObj = obj;
- yaffs_strncpy(dsc->name, dirname, NAME_MAX);
+ strncpy(dsc->name,dirname,NAME_MAX);
INIT_LIST_HEAD(&dsc->others);
- if (!search_contexts.next)
+ if(!search_contexts.next)
INIT_LIST_HEAD(&search_contexts);
- list_add(&dsc->others, &search_contexts);
- yaffsfs_SetDirRewound(dsc);
- }
+ list_add(&dsc->others,&search_contexts);
+ yaffsfs_SetDirRewound(dsc); }
}
return dir;
}
-struct yaffs_dirent *yaffs_readdir(yaffs_DIR * dirp)
+struct yaffs_dirent *yaffs_readdir(yaffs_DIR *dirp)
{
- struct yaffsfs_DirSearchContxt *dsc;
+ yaffsfs_DirectorySearchContext *dsc = (yaffsfs_DirectorySearchContext *)dirp;
struct yaffs_dirent *retVal = NULL;
- dsc = (struct yaffsfs_DirSearchContxt *) dirp;
yaffsfs_Lock();
- if (dsc && dsc->inUse) {
+ if(dsc && dsc->magic == YAFFS_MAGIC){
yaffsfs_SetError(0);
- if (dsc->nextReturn) {
- dsc->de.d_ino =
- yaffs_get_equivalent_obj(dsc->nextReturn)->obj_id;
+ if(dsc->nextReturn){
+ dsc->de.d_ino = yaffs_GetEquivalentObject(dsc->nextReturn)->objectId;
dsc->de.d_dont_use = (unsigned)dsc->nextReturn;
dsc->de.d_off = dsc->offset++;
- yaffs_get_obj_name(dsc->nextReturn,
- dsc->de.d_name, NAME_MAX);
- if (yaffs_strnlen(dsc->de.d_name, NAME_MAX + 1) == 0) {
- /* this should not happen! */
- yaffs_strcpy(dsc->de.d_name, _Y("zz"));
+ yaffs_GetObjectName(dsc->nextReturn,dsc->de.d_name,NAME_MAX);
+ if(strlen(dsc->de.d_name) == 0)
+ {
+ // this should not happen!
+ strcpy(dsc->de.d_name,"zz");
}
dsc->de.d_reclen = sizeof(struct yaffs_dirent);
retVal = &dsc->de;
yaffsfs_DirAdvance(dsc);
} else
retVal = NULL;
- } else
+ }
+ else
+ {
yaffsfs_SetError(-EBADF);
+ }
yaffsfs_Unlock();
}
+
void yaffs_rewinddir(yaffs_DIR *dirp)
{
- struct yaffsfs_DirSearchContxt *dsc;
-
- dsc = (struct yaffsfs_DirSearchContxt *) dirp;
+ yaffsfs_DirectorySearchContext *dsc = (yaffsfs_DirectorySearchContext *)dirp;
yaffsfs_Lock();
yaffsfs_Unlock();
}
+
int yaffs_closedir(yaffs_DIR *dirp)
{
- struct yaffsfs_DirSearchContxt *dsc;
-
- dsc = (struct yaffsfs_DirSearchContxt *) dirp;
-
- if (!dsc) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
+ yaffsfs_DirectorySearchContext *dsc = (yaffsfs_DirectorySearchContext *)dirp;
yaffsfs_Lock();
- dsc->inUse = 0;
- list_del(&dsc->others); /* unhook from list */
+ dsc->magic = 0;
+ list_del(&dsc->others); /* unhook from list */
+ YFREE(dsc);
yaffsfs_Unlock();
return 0;
}
-/* End of directory stuff */
+// end of directory stuff
-int yaffs_symlink(const YCHAR *oldpath, const YCHAR *newpath)
-{
- struct yaffs_obj *parent = NULL;
- struct yaffs_obj *obj;
- YCHAR *name;
- int retVal = -1;
- int mode = 0; /* ignore for now */
- int notDir = 0;
- int loop = 0;
-
- if (!oldpath || !newpath) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
- if (yaffsfs_CheckPath(newpath) < 0 || yaffsfs_CheckPath(oldpath) < 0) {
- yaffsfs_SetError(-ENAMETOOLONG);
- return -1;
- }
+int yaffs_symlink(const char *oldpath, const char *newpath)
+{
+ yaffs_Object *parent = NULL;
+ yaffs_Object *obj;
+ char *name;
+ int retVal= -1;
+ int mode = 0; // ignore for now
yaffsfs_Lock();
- parent = yaffsfs_FindDirectory(NULL, newpath, &name, 0, ¬Dir, &loop);
- if (!parent && notDir)
- yaffsfs_SetError(-ENOTDIR);
- else if (loop)
- yaffsfs_SetError(-ELOOP);
- else if (!parent || yaffs_strnlen(name, 5) < 1)
- yaffsfs_SetError(-ENOENT);
- else if (yaffsfs_TooManyObjects(parent->my_dev))
- yaffsfs_SetError(-ENFILE);
- else if (parent->my_dev->read_only)
- yaffsfs_SetError(-EROFS);
- else if (parent) {
- obj = yaffs_create_symlink(parent, name, mode, 0, 0, oldpath);
- if (obj)
- retVal = 0;
- else if (yaffsfs_FindObject
- (NULL, newpath, 0, 0, NULL, NULL, NULL))
- yaffsfs_SetError(-EEXIST);
- else
- yaffsfs_SetError(-ENOSPC);
+ parent = yaffsfs_FindDirectory(NULL,newpath,&name,0);
+ obj = yaffs_MknodSymLink(parent,name,mode,0,0,oldpath);
+ if(obj)
+ {
+ retVal = 0;
+ }
+ else
+ {
+ yaffsfs_SetError(-ENOSPC); // just assume no space for now
+ retVal = -1;
}
yaffsfs_Unlock();
}
-int yaffs_readlink(const YCHAR *path, YCHAR *buf, int bufsiz)
+int yaffs_readlink(const char *path, char *buf, int bufsiz)
{
- struct yaffs_obj *obj = NULL;
- struct yaffs_obj *dir = NULL;
- int retVal = -1;
- int notDir = 0;
- int loop = 0;
+ yaffs_Object *obj = NULL;
+ int retVal;
- if (!path || !buf) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
yaffsfs_Lock();
- obj = yaffsfs_FindObject(NULL, path, 0, 1, &dir, ¬Dir, &loop);
+ obj = yaffsfs_FindObject(NULL,path,0);
- if (!dir && notDir)
- yaffsfs_SetError(-ENOTDIR);
- else if (loop)
- yaffsfs_SetError(-ELOOP);
- else if (!dir || !obj)
+ if(!obj)
+ {
yaffsfs_SetError(-ENOENT);
- else if (obj->variant_type != YAFFS_OBJECT_TYPE_SYMLINK)
+ retVal = -1;
+ }
+ else if(obj->variantType != YAFFS_OBJECT_TYPE_SYMLINK)
+ {
yaffsfs_SetError(-EINVAL);
- else {
- YCHAR *alias = obj->variant.symlink_variant.alias;
- memset(buf, 0, bufsiz);
- yaffs_strncpy(buf, alias, bufsiz - 1);
+ retVal = -1;
+ }
+ else
+ {
+ char *alias = obj->variant.symLinkVariant.alias;
+ memset(buf,0,bufsiz);
+ strncpy(buf,alias,bufsiz - 1);
retVal = 0;
}
yaffsfs_Unlock();
return retVal;
}
-int yaffs_link(const YCHAR *oldpath, const YCHAR *linkpath)
+int yaffs_link(const char *oldpath, const char *newpath)
{
- /* Creates a link called newpath to existing oldpath */
- struct yaffs_obj *obj = NULL;
- struct yaffs_obj *lnk = NULL;
- struct yaffs_obj *obj_dir = NULL;
- struct yaffs_obj *lnk_dir = NULL;
- int retVal = -1;
- int notDirObj = 0;
- int notDirLnk = 0;
- int objLoop = 0;
- int lnkLoop = 0;
- YCHAR *newname;
-
- if (!oldpath || !linkpath) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
+ // Creates a link called newpath to existing oldpath
+ yaffs_Object *obj = NULL;
+ yaffs_Object *target = NULL;
+ int retVal = 0;
- if (yaffsfs_CheckPath(linkpath) < 0 || yaffsfs_CheckPath(oldpath) < 0) {
- yaffsfs_SetError(-ENAMETOOLONG);
- return -1;
- }
yaffsfs_Lock();
- obj = yaffsfs_FindObject(NULL, oldpath, 0, 1,
- &obj_dir, ¬DirObj, &objLoop);
- lnk = yaffsfs_FindObject(NULL, linkpath, 0, 0, NULL, NULL, NULL);
- lnk_dir = yaffsfs_FindDirectory(NULL, linkpath, &newname,
- 0, ¬DirLnk, &lnkLoop);
+ obj = yaffsfs_FindObject(NULL,oldpath,0);
+ target = yaffsfs_FindObject(NULL,newpath,0);
- if ((!obj_dir && notDirObj) || (!lnk_dir && notDirLnk))
- yaffsfs_SetError(-ENOTDIR);
- else if (objLoop || lnkLoop)
- yaffsfs_SetError(-ELOOP);
- else if (!obj_dir || !lnk_dir || !obj)
+ if(!obj)
+ {
yaffsfs_SetError(-ENOENT);
- else if (obj->my_dev->read_only)
- yaffsfs_SetError(-EROFS);
- else if (yaffsfs_TooManyObjects(obj->my_dev))
- yaffsfs_SetError(-ENFILE);
- else if (lnk)
+ retVal = -1;
+ }
+ else if(target)
+ {
yaffsfs_SetError(-EEXIST);
- else if (lnk_dir->my_dev != obj->my_dev)
- yaffsfs_SetError(-EXDEV);
- else {
- retVal = yaffsfs_CheckNameLength(newname);
+ retVal = -1;
+ }
+ else
+ {
+ yaffs_Object *newdir = NULL;
+ yaffs_Object *link = NULL;
+
+ char *newname;
- if (retVal == 0) {
- lnk = yaffs_link_obj(lnk_dir, newname, obj);
- if (lnk)
+ newdir = yaffsfs_FindDirectory(NULL,newpath,&newname,0);
+
+ if(!newdir)
+ {
+ yaffsfs_SetError(-ENOTDIR);
+ retVal = -1;
+ }
+ else if(newdir->myDev != obj->myDev)
+ {
+ yaffsfs_SetError(-EXDEV);
+ retVal = -1;
+ }
+ if(newdir && strlen(newname) > 0)
+ {
+ link = yaffs_Link(newdir,newname,obj);
+ if(link)
retVal = 0;
- else {
+ else
+ {
yaffsfs_SetError(-ENOSPC);
retVal = -1;
}
+
}
}
yaffsfs_Unlock();
return retVal;
}
-int yaffs_mknod(const YCHAR *pathname, mode_t mode, dev_t dev)
-{
- pathname = pathname;
- mode = mode;
- dev = dev;
-
- yaffsfs_SetError(-EINVAL);
- return -1;
-}
-
-/*
- * D E B U G F U N C T I O N S
- */
-
-/*
- * yaffs_n_handles()
- * Returns number of handles attached to the object
- */
-int yaffs_n_handles(const YCHAR *path)
-{
- struct yaffs_obj *obj;
-
- if (!path) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
-
- if (yaffsfs_CheckPath(path) < 0) {
- yaffsfs_SetError(-ENAMETOOLONG);
- return -1;
- }
-
- obj = yaffsfs_FindObject(NULL, path, 0, 1, NULL, NULL, NULL);
-
- if (obj)
- return yaffsfs_CountHandles(obj);
- else
- return -1;
-}
-
-int yaffs_get_error(void)
-{
- return yaffsfs_GetLastError();
-}
-
-int yaffs_set_error(int error)
-{
- yaffsfs_SetError(error);
- return 0;
-}
+int yaffs_mknod(const char *pathname, mode_t mode, dev_t dev);
-int yaffs_dump_dev(const YCHAR *path)
+int yaffs_DumpDevStruct(const char *path)
{
-#if 1
- path = path;
-#else
- YCHAR *rest;
+ char *rest;
- struct yaffs_obj *obj = yaffsfs_FindRoot(path, &rest);
+ yaffs_Object *obj = yaffsfs_FindRoot(path,&rest);
- if (obj) {
- struct yaffs_dev *dev = obj->my_dev;
+ if(obj)
+ {
+ yaffs_Device *dev = obj->myDev;
printf("\n"
- "n_page_writes.......... %d\n"
- "n_page_reads........... %d\n"
- "n_erasures....... %d\n"
- "n_gc_copies............ %d\n"
- "garbageCollections... %d\n"
- "passiveGarbageColl'ns %d\n"
- "\n",
- dev->n_page_writes,
- dev->n_page_reads,
- dev->n_erasures,
- dev->n_gc_copies,
- dev->garbageCollections, dev->passiveGarbageCollections);
+ "nPageWrites.......... %d\n"
+ "nPageReads........... %d\n"
+ "nBlockErasures....... %d\n"
+ "nGCCopies............ %d\n"
+ "garbageCollections... %d\n"
+ "passiveGarbageColl'ns %d\n"
+ "\n",
+ dev->nPageWrites,
+ dev->nPageReads,
+ dev->nBlockErasures,
+ dev->nGCCopies,
+ dev->garbageCollections,
+ dev->passiveGarbageCollections
+ );
}
-#endif
return 0;
}
projects / platform / kernel / u-boot.git / blobdiff