X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=devextras.h;h=ce30c820d938818ccce765fbe7cfe517dabc84cc;hp=a9366fdd2e79b182750938d655036f7928c99ceb;hb=4c78eb9aa16a108e258ab6185f37a51c3b413cb8;hpb=92ee023b9d7144e178a050eff898aaae4415096b diff --git a/devextras.h b/devextras.h index a9366fd..ce30c82 100644 --- a/devextras.h +++ b/devextras.h @@ -1,7 +1,7 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * - * Copyright (C) 2002-2007 Aleph One Ltd. + * Copyright (C) 2002-2010 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering * * Created by Charles Manning @@ -24,7 +24,9 @@ #define __EXTRAS_H__ -#if !(defined __KERNEL__) +#include "yportenv.h" + +#if !(defined __KERNEL__) /* Definition of types */ typedef unsigned char __u8; @@ -33,103 +35,6 @@ typedef unsigned __u32; #endif -/* - * This is a simple doubly linked list implementation that matches the - * way the Linux kernel doubly linked list implementation works. - */ - -struct ylist_head { - struct ylist_head *next; /* next in chain */ - struct ylist_head *prev; /* previous in chain */ -}; - - -/* Initialise a static list */ -#define YLIST_HEAD(name) \ -struct ylist_head name = { &(name),&(name)} - - - -/* Initialise a list head to an empty list */ -#define YINIT_LIST_HEAD(p) \ -do { \ - (p)->next = (p);\ - (p)->prev = (p); \ -} while(0) - - -/* Add an element to a list */ -static __inline__ void ylist_add(struct ylist_head *newEntry, - struct ylist_head *list) -{ - struct ylist_head *listNext = list->next; - - list->next = newEntry; - newEntry->prev = list; - newEntry->next = listNext; - listNext->prev = newEntry; - -} - -static __inline__ void ylist_add_tail(struct ylist_head *newEntry, - struct ylist_head *list) -{ - struct ylist_head *listPrev = list->prev; - - list->prev = newEntry; - newEntry->next = list; - newEntry->prev = listPrev; - listPrev->next = newEntry; - -} - - -/* Take an element out of its current list, with or without - * reinitialising the links.of the entry*/ -static __inline__ void ylist_del(struct ylist_head *entry) -{ - struct ylist_head *listNext = entry->next; - struct ylist_head *listPrev = entry->prev; - - listNext->prev = listPrev; - listPrev->next = listNext; - -} - -static __inline__ void ylist_del_init(struct ylist_head *entry) -{ - ylist_del(entry); - entry->next = entry->prev = entry; -} - - -/* Test if the list is empty */ -static __inline__ int ylist_empty(struct ylist_head *entry) -{ - return (entry->next == entry); -} - - -/* ylist_entry takes a pointer to a list entry and offsets it to that - * we can find a pointer to the object it is embedded in. - */ - - -#define ylist_entry(entry, type, member) \ - ((type *)((char *)(entry)-(unsigned long)(&((type *)NULL)->member))) - - -/* ylist_for_each and list_for_each_safe iterate over lists. - * ylist_for_each_safe uses temporary storage to make the list delete safe - */ - -#define ylist_for_each(itervar, list) \ - for (itervar = (list)->next; itervar != (list); itervar = itervar->next ) - -#define ylist_for_each_safe(itervar,saveVar, list) \ - for (itervar = (list)->next, saveVar = (list)->next->next; itervar != (list); \ - itervar = saveVar, saveVar = saveVar->next) - #if !(defined __KERNEL__) @@ -143,15 +48,15 @@ static __inline__ int ylist_empty(struct ylist_head *entry) /* File types */ -#define DT_UNKNOWN 0 -#define DT_FIFO 1 -#define DT_CHR 2 +#define DT_UNKNOWN 0 +#define DT_FIFO 1 +#define DT_CHR 2 #define DT_DIR 4 #define DT_BLK 6 -#define DT_REG 8 -#define DT_LNK 10 -#define DT_SOCK 12 -#define DT_WHT 14 +#define DT_REG 8 +#define DT_LNK 10 +#define DT_SOCK 12 +#define DT_WHT 14 #ifndef WIN32 @@ -162,8 +67,8 @@ static __inline__ int ylist_empty(struct ylist_head *entry) * Attribute flags. These should be or-ed together to figure out what * has been changed! */ -#define ATTR_MODE 1 -#define ATTR_UID 2 +#define ATTR_MODE 1 +#define ATTR_UID 2 #define ATTR_GID 4 #define ATTR_SIZE 8 #define ATTR_ATIME 16 @@ -179,14 +84,11 @@ struct iattr { unsigned ia_atime; unsigned ia_mtime; unsigned ia_ctime; - unsigned int ia_attr_flags; + unsigned int ia_attr_flags; }; #endif - -#define KERN_DEBUG - #else #include