X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=direct%2Fyaffsfs.c;h=fffc11eece7b691892c767c5122a04e556374514;hp=37d6cae1d0cce812d4217f6444c06fbaf8360dd5;hb=80f85303d264f804ea288e1995280345804ec01c;hpb=da279cc0ca8272f8ddb7fd3fbd4d09fc054e8c11 diff --git a/direct/yaffsfs.c b/direct/yaffsfs.c index 37d6cae..fffc11e 100644 --- a/direct/yaffsfs.c +++ b/direct/yaffsfs.c @@ -17,7 +17,7 @@ #include "yportenv.h" #include "yaffs_trace.h" -#include /* for memset */ +#include "string.h" #define YAFFSFS_MAX_SYMLINK_DEREFERENCES 5 @@ -75,7 +75,7 @@ typedef struct{ u8 shareWrite:1; int inodeId:12; /* Index to corresponding yaffsfs_Inode */ int handleCount:10; /* Number of handles for this fd */ - u32 position; /* current position in file */ + loff_t position; /* current position in file */ }yaffsfs_FileDes; typedef struct { @@ -380,13 +380,27 @@ static void yaffsfs_BreakDeviceHandles(struct yaffs_dev *dev) /* * 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) { @@ -405,7 +419,7 @@ int yaffsfs_CheckNameLength(const char *name) { int retVal = 0; - int nameLength = strnlen(name,YAFFS_MAX_NAME_LENGTH+1); + int nameLength = yaffs_strnlen(name,YAFFS_MAX_NAME_LENGTH+1); if(nameLength == 0){ yaffsfs_SetError(-ENOENT); @@ -430,7 +444,7 @@ static int yaffsfs_alt_dir_path(const YCHAR *path, YCHAR **ret_path) * We will use 3 * max name length instead. */ *ret_path = NULL; - path_length = strnlen(path,(YAFFS_MAX_NAME_LENGTH+1)*3 +1); + 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. @@ -443,7 +457,7 @@ static int yaffsfs_alt_dir_path(const YCHAR *path, YCHAR **ret_path) alt_path = kmalloc(path_length + 1, 0); if(!alt_path) return -1; - strcpy(alt_path, path); + yaffs_strcpy(alt_path, path); for(i = path_length-1; i >= 0 && yaffsfs_IsPathDivider(alt_path[i]); i--) @@ -650,9 +664,9 @@ static struct yaffs_obj *yaffsfs_DoFindDirectory(struct yaffs_obj *startDir, /* got to the end of the string */ return dir; else{ - if(strcmp(str,_Y(".")) == 0){ + if(yaffs_strcmp(str,_Y(".")) == 0){ /* Do nothing */ - } else if(strcmp(str,_Y("..")) == 0) { + } else if(yaffs_strcmp(str,_Y("..")) == 0) { dir = dir->parent; } else{ dir = yaffs_find_by_name(dir,str); @@ -1048,17 +1062,17 @@ int yaffs_close(int handle) -int yaffsfs_do_read(int handle, void *vbuf, unsigned int nbyte, int isPread, int offset) +int yaffsfs_do_read(int handle, void *vbuf, unsigned int nbyte, int isPread, loff_t offset) { yaffsfs_FileDes *fd = NULL; struct yaffs_obj *obj = NULL; - int pos = 0; - int startPos = 0; - int endPos = 0; + loff_t pos = 0; + loff_t startPos = 0; + loff_t endPos = 0; int nRead = 0; int nToRead = 0; int totalRead = 0; - unsigned int maxRead; + loff_t maxRead; u8 *buf = (u8 *)vbuf; if(!vbuf){ @@ -1165,18 +1179,18 @@ int yaffs_read(int handle, void *buf, unsigned int nbyte) return yaffsfs_do_read(handle, buf, nbyte, 0, 0); } -int yaffs_pread(int handle, void *buf, unsigned int nbyte, unsigned int offset) +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, int offset) +int yaffsfs_do_write(int handle, const void *vbuf, unsigned int nbyte, int isPwrite, loff_t offset) { yaffsfs_FileDes *fd = NULL; struct yaffs_obj *obj = NULL; - int pos = 0; - int startPos = 0; - int endPos; + loff_t pos = 0; + loff_t startPos = 0; + loff_t endPos; int nWritten = 0; int totalWritten = 0; int write_trhrough = 0; @@ -1279,13 +1293,13 @@ 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, unsigned int offset) +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,off_t new_size) +int yaffs_truncate(const YCHAR *path,loff_t new_size) { struct yaffs_obj *obj = NULL; struct yaffs_obj *dir = NULL; @@ -1323,14 +1337,14 @@ int yaffs_truncate(const YCHAR *path,off_t new_size) else if(new_size < 0 || new_size > YAFFS_MAX_FILE_SIZE) yaffsfs_SetError(-EINVAL); else - result = yaffs_resize_file(obj,new_size); + result = yaffs_resize_file(obj, new_size); yaffsfs_Unlock(); return (result) ? 0 : -1; } -int yaffs_ftruncate(int handle, off_t new_size) +int yaffs_ftruncate(int handle, loff_t new_size) { yaffsfs_FileDes *fd = NULL; struct yaffs_obj *obj = NULL; @@ -1351,19 +1365,19 @@ int yaffs_ftruncate(int handle, off_t new_size) yaffsfs_SetError(-EINVAL); else /* resize the file */ - result = yaffs_resize_file(obj,new_size); + result = yaffs_resize_file(obj, new_size); yaffsfs_Unlock(); return (result) ? 0 : -1; } -off_t yaffs_lseek(int handle, off_t offset, int whence) +loff_t yaffs_lseek(int handle, loff_t offset, int whence) { yaffsfs_FileDes *fd = NULL; struct yaffs_obj *obj = NULL; - int pos = -1; - int fSize = -1; + loff_t pos = -1; + loff_t fSize = -1; yaffsfs_Lock(); fd = yaffsfs_HandleToFileDes(handle); @@ -1430,7 +1444,7 @@ int yaffsfs_DoUnlink(const YCHAR *path,int isDirectory) yaffsfs_SetError(-ELOOP); else if(!dir) yaffsfs_SetError(-ENOENT); - else if(strncmp(name,_Y("."),2) == 0) + else if(yaffs_strncmp(name,_Y("."),2) == 0) yaffsfs_SetError(-EINVAL); else if(!obj) yaffsfs_SetError(-ENOENT); @@ -1518,7 +1532,7 @@ int yaffs_rename(const YCHAR *oldPath, const YCHAR *newPath) } else if(oldLoop || newLoop) { yaffsfs_SetError(-ELOOP); rename_allowed = 0; - } else if (olddir && oldname && strncmp(oldname, _Y("."),2) == 0){ + } else if (olddir && oldname && yaffs_strncmp(oldname, _Y("."),2) == 0){ yaffsfs_SetError(-EINVAL); rename_allowed = 0; }else if(!olddir || !newdir || !obj) { @@ -2379,7 +2393,7 @@ int yaffs_mkdir(const YCHAR *path, mode_t mode) yaffsfs_SetError(-ENOENT); else if(yaffsfs_TooManyObjects(parent->my_dev)) yaffsfs_SetError(-ENFILE); - else if(strnlen(name,5) == 0){ + else if(yaffs_strnlen(name,5) == 0){ /* Trying to make the root itself */ yaffsfs_SetError(-EEXIST); } else if(parent->my_dev->read_only) @@ -2438,7 +2452,7 @@ void * yaffs_getdev(const YCHAR *path) return (void *)dev; } -int yaffs_mount2(const YCHAR *path,int read_only) +int yaffs_mount_common(const YCHAR *path,int read_only, int skip_checkpt) { int retVal=-1; int result=YAFFS_FAIL; @@ -2464,7 +2478,15 @@ int yaffs_mount2(const YCHAR *path,int read_only) if(dev){ if(!dev->is_mounted){ dev->read_only = read_only ? 1 : 0; - result = yaffs_guts_initialise(dev); + 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); + } + if(result == YAFFS_FAIL) yaffsfs_SetError(-ENOMEM); retVal = result ? 0 : -1; @@ -2480,9 +2502,13 @@ int yaffs_mount2(const YCHAR *path,int read_only) } +int yaffs_mount2(const YCHAR *path, int readonly) +{ + return yaffs_mount_common(path, readonly, 0); +} int yaffs_mount(const YCHAR *path) { - return yaffs_mount2(path,0); + return yaffs_mount_common(path, 0, 0); } int yaffs_sync(const YCHAR *path) @@ -2873,7 +2899,7 @@ yaffs_DIR *yaffs_opendir(const YCHAR *dirname) memset(dsc,0,sizeof(yaffsfs_DirectorySearchContext)); dsc->magic = YAFFS_MAGIC; dsc->dirObj = obj; - strncpy(dsc->name,dirname,NAME_MAX); + yaffs_strncpy(dsc->name,dirname,NAME_MAX); INIT_LIST_HEAD(&dsc->others); if(!search_contexts.next) @@ -2904,10 +2930,10 @@ struct yaffs_dirent *yaffs_readdir(yaffs_DIR *dirp) 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(strnlen(dsc->de.d_name,NAME_MAX+1) == 0) + if(yaffs_strnlen(dsc->de.d_name,NAME_MAX+1) == 0) { /* this should not happen! */ - strcpy(dsc->de.d_name,_Y("zz")); + yaffs_strcpy(dsc->de.d_name,_Y("zz")); } dsc->de.d_reclen = sizeof(struct yaffs_dirent); retVal = &dsc->de; @@ -2983,7 +3009,7 @@ int yaffs_symlink(const YCHAR *oldpath, const YCHAR *newpath) yaffsfs_SetError(-ENOTDIR); else if(loop) yaffsfs_SetError(-ELOOP); - else if( !parent || strnlen(name,5) < 1) + else if( !parent || yaffs_strnlen(name,5) < 1) yaffsfs_SetError(-ENOENT); else if(yaffsfs_TooManyObjects(parent->my_dev)) yaffsfs_SetError(-ENFILE); @@ -3033,7 +3059,7 @@ int yaffs_readlink(const YCHAR *path, YCHAR *buf, int bufsiz) else { YCHAR *alias = obj->variant.symlink_variant.alias; memset(buf,0,bufsiz); - strncpy(buf,alias,bufsiz - 1); + yaffs_strncpy(buf,alias,bufsiz - 1); retVal = 0; } yaffsfs_Unlock();