type stringclasses 5
values | content stringlengths 9 163k |
|---|---|
functions | long hash_name(const char *name, unsigned int *hashp)
{
unsigned long hash = init_name_hash();
unsigned long len = 0, c;
c = (unsigned char)*name;
do {
len++;
hash = partial_name_hash(c, hash);
c = (unsigned char)name[len];
} |
functions | int link_path_walk(const char *name, struct nameidata *nd)
{
struct path next;
int err;
while (*name=='/')
name++;
if (!*name)
return 0;
/* At this point we know we have a real path component. */
for(;;) {
struct qstr this;
long len;
int type;
err = may_lookup(nd);
if (err)
break;
len = h... |
functions | int path_init(int dfd, const char *name, unsigned int flags,
struct nameidata *nd, struct file **fp)
{
int retval = 0;
nd->last_type = LAST_ROOT; /* if there are only slashes... */
nd->flags = flags | LOOKUP_JUMPED;
nd->depth = 0;
if (flags & LOOKUP_ROOT) {
struct dentry *root = nd->root.dentry;
struct... |
functions | else if (dfd == AT_FDCWD) {
if (flags & LOOKUP_RCU) {
struct fs_struct *fs = current->fs;
unsigned seq;
rcu_read_lock();
do {
seq = read_seqcount_begin(&fs->seq);
nd->path = fs->pwd;
nd->seq = __read_seqcount_begin(&nd->path.dentry->d_seq);
} |
functions | int lookup_last(struct nameidata *nd, struct path *path)
{
if (nd->last_type == LAST_NORM && nd->last.name[nd->last.len])
nd->flags |= LOOKUP_FOLLOW | LOOKUP_DIRECTORY;
nd->flags &= ~LOOKUP_PARENT;
return walk_component(nd, path, nd->flags & LOOKUP_FOLLOW);
} |
functions | int path_lookupat(int dfd, const char *name,
unsigned int flags, struct nameidata *nd)
{
struct file *base = NULL;
struct path path;
int err;
/*
* Path walking is largely split up into 2 different synchronisation
* schemes, rcu-walk and ref-walk (explained in
* Documentation/filesystems/path-lookup.txt).... |
functions | int filename_lookup(int dfd, struct filename *name,
unsigned int flags, struct nameidata *nd)
{
int retval = path_lookupat(dfd, name->name, flags | LOOKUP_RCU, nd);
if (unlikely(retval == -ECHILD))
retval = path_lookupat(dfd, name->name, flags, nd);
if (unlikely(retval == -ESTALE))
retval = path_lookupat(dfd... |
functions | int do_path_lookup(int dfd, const char *name,
unsigned int flags, struct nameidata *nd)
{
struct filename filename = { .name = name } |
functions | int kern_path(const char *name, unsigned int flags, struct path *path)
{
struct nameidata nd;
int res = do_path_lookup(AT_FDCWD, name, flags, &nd);
if (!res)
*path = nd.path;
return res;
} |
functions | int vfs_path_lookup(struct dentry *dentry, struct vfsmount *mnt,
const char *name, unsigned int flags,
struct path *path)
{
struct nameidata nd;
int err;
nd.root.dentry = dentry;
nd.root.mnt = mnt;
BUG_ON(flags & LOOKUP_PARENT);
/* the first argument of do_path_lookup() is ignored with LOOKUP_ROOT */
... |
functions | int user_path_at_empty(int dfd, const char __user *name, unsigned flags,
struct path *path, int *empty)
{
struct nameidata nd;
struct filename *tmp = getname_flags(name, flags, empty);
int err = PTR_ERR(tmp);
if (!IS_ERR(tmp)) {
BUG_ON(flags & LOOKUP_PARENT);
err = filename_lookup(dfd, tmp, flags, &nd);
... |
functions | int user_path_at(int dfd, const char __user *name, unsigned flags,
struct path *path)
{
return user_path_at_empty(dfd, name, flags, path, NULL);
} |
functions | int
mountpoint_last(struct nameidata *nd, struct path *path)
{
int error = 0;
struct dentry *dentry;
struct dentry *dir = nd->path.dentry;
/* If we're in rcuwalk, drop out of it to handle last component */
if (nd->flags & LOOKUP_RCU) {
if (unlazy_walk(nd, NULL)) {
error = -ECHILD;
goto out;
} |
functions | int
path_mountpoint(int dfd, const char *name, struct path *path, unsigned int flags)
{
struct file *base = NULL;
struct nameidata nd;
int err;
err = path_init(dfd, name, flags | LOOKUP_PARENT, &nd, &base);
if (unlikely(err))
return err;
current->total_link_count = 0;
err = link_path_walk(name, &nd);
if (er... |
functions | int
filename_mountpoint(int dfd, struct filename *s, struct path *path,
unsigned int flags)
{
int error = path_mountpoint(dfd, s->name, path, flags | LOOKUP_RCU);
if (unlikely(error == -ECHILD))
error = path_mountpoint(dfd, s->name, path, flags);
if (unlikely(error == -ESTALE))
error = path_mountpoint(dfd, s-... |
functions | int
user_path_mountpoint_at(int dfd, const char __user *name, unsigned int flags,
struct path *path)
{
struct filename *s = getname(name);
int error;
if (IS_ERR(s))
return PTR_ERR(s);
error = filename_mountpoint(dfd, s, path, flags);
putname(s);
return error;
} |
functions | int
kern_path_mountpoint(int dfd, const char *name, struct path *path,
unsigned int flags)
{
struct filename s = {.name = name} |
functions | int check_sticky(struct inode *dir, struct inode *inode)
{
kuid_t fsuid = current_fsuid();
if (!(dir->i_mode & S_ISVTX))
return 0;
if (uid_eq(inode->i_uid, fsuid))
return 0;
if (uid_eq(dir->i_uid, fsuid))
return 0;
return !capable_wrt_inode_uidgid(inode, CAP_FOWNER);
} |
functions | int may_delete(struct inode *dir, struct dentry *victim, bool isdir)
{
struct inode *inode = victim->d_inode;
int error;
if (d_is_negative(victim))
return -ENOENT;
BUG_ON(!inode);
BUG_ON(victim->d_parent->d_inode != dir);
audit_inode_child(dir, victim, AUDIT_TYPE_CHILD_DELETE);
error = inode_permission(dir,... |
functions | int may_create(struct inode *dir, struct dentry *child)
{
audit_inode_child(dir, child, AUDIT_TYPE_CHILD_CREATE);
if (child->d_inode)
return -EEXIST;
if (IS_DEADDIR(dir))
return -ENOENT;
return inode_permission(dir, MAY_WRITE | MAY_EXEC);
} |
functions | void unlock_rename(struct dentry *p1, struct dentry *p2)
{
mutex_unlock(&p1->d_inode->i_mutex);
if (p1 != p2) {
mutex_unlock(&p2->d_inode->i_mutex);
mutex_unlock(&p1->d_inode->i_sb->s_vfs_rename_mutex);
} |
functions | int vfs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
bool want_excl)
{
int error = may_create(dir, dentry);
if (error)
return error;
if (!dir->i_op->create)
return -EACCES; /* shouldn't it be ENOSYS? */
mode &= S_IALLUGO;
mode |= S_IFREG;
error = security_inode_create(dir, dentry, mode);
... |
functions | int may_open(struct path *path, int acc_mode, int flag)
{
struct dentry *dentry = path->dentry;
struct inode *inode = dentry->d_inode;
int error;
/* O_PATH? */
if (!acc_mode)
return 0;
if (!inode)
return -ENOENT;
switch (inode->i_mode & S_IFMT) {
case S_IFLNK:
return -ELOOP;
case S_IFDIR:
if (acc_mo... |
functions | int handle_truncate(struct file *filp)
{
struct path *path = &filp->f_path;
struct inode *inode = path->dentry->d_inode;
int error = get_write_access(inode);
if (error)
return error;
/*
* Refuse to truncate files with mandatory locks held on them.
*/
error = locks_verify_locked(inode);
if (!error)
error ... |
functions | int open_to_namei_flags(int flag)
{
if ((flag & O_ACCMODE) == 3)
flag--;
return flag;
} |
functions | int may_o_create(struct path *dir, struct dentry *dentry, umode_t mode)
{
int error = security_path_mknod(dir, dentry, mode, 0);
if (error)
return error;
error = inode_permission(dir->dentry->d_inode, MAY_WRITE | MAY_EXEC);
if (error)
return error;
return security_inode_create(dir->dentry->d_inode, dentry, m... |
functions | int atomic_open(struct nameidata *nd, struct dentry *dentry,
struct path *path, struct file *file,
const struct open_flags *op,
bool got_write, bool need_lookup,
int *opened)
{
struct inode *dir = nd->path.dentry->d_inode;
unsigned open_flag = open_to_namei_flags(op->open_flag);
umode_t mode;
int error... |
functions | else if (!dentry->d_inode) {
goto out;
} |
functions | int lookup_open(struct nameidata *nd, struct path *path,
struct file *file,
const struct open_flags *op,
bool got_write, int *opened)
{
struct dentry *dir = nd->path.dentry;
struct inode *dir_inode = dir->d_inode;
struct dentry *dentry;
int error;
bool need_lookup;
*opened &= ~FILE_CREATED;
dentry = lo... |
functions | int do_last(struct nameidata *nd, struct path *path,
struct file *file, const struct open_flags *op,
int *opened, struct filename *name)
{
struct dentry *dir = nd->path.dentry;
int open_flag = op->open_flag;
bool will_truncate = (open_flag & O_TRUNC) != 0;
bool got_write = false;
int acc_mode = op->acc_m... |
functions | int do_tmpfile(int dfd, struct filename *pathname,
struct nameidata *nd, int flags,
const struct open_flags *op,
struct file *file, int *opened)
{
static const struct qstr name = QSTR_INIT("/", 1);
struct dentry *dentry, *child;
struct inode *dir;
int error = path_lookupat(dfd, pathname->name,
flags | L... |
functions | void done_path_create(struct path *path, struct dentry *dentry)
{
dput(dentry);
mutex_unlock(&path->dentry->d_inode->i_mutex);
mnt_drop_write(path->mnt);
path_put(path);
} |
functions | int vfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
{
int error = may_create(dir, dentry);
if (error)
return error;
if ((S_ISCHR(mode) || S_ISBLK(mode)) && !capable(CAP_MKNOD))
return -EPERM;
if (!dir->i_op->mknod)
return -EPERM;
error = devcgroup_inode_mknod(mode, dev);
if ... |
functions | int may_mknod(umode_t mode)
{
switch (mode & S_IFMT) {
case S_IFREG:
case S_IFCHR:
case S_IFBLK:
case S_IFIFO:
case S_IFSOCK:
case 0: /* zero mode translates to S_IFREG */
return 0;
case S_IFDIR:
return -EPERM;
default:
return -EINVAL;
} |
functions | int vfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
{
int error = may_create(dir, dentry);
unsigned max_links = dir->i_sb->s_max_links;
if (error)
return error;
if (!dir->i_op->mkdir)
return -EPERM;
mode &= (S_IRWXUGO|S_ISVTX);
error = security_inode_mkdir(dir, dentry, mode);
if (error)
... |
functions | void dentry_unhash(struct dentry *dentry)
{
shrink_dcache_parent(dentry);
spin_lock(&dentry->d_lock);
if (dentry->d_lockref.count == 1)
__d_drop(dentry);
spin_unlock(&dentry->d_lock);
} |
functions | int vfs_rmdir(struct inode *dir, struct dentry *dentry)
{
int error = may_delete(dir, dentry, 1);
if (error)
return error;
if (!dir->i_op->rmdir)
return -EPERM;
dget(dentry);
mutex_lock(&dentry->d_inode->i_mutex);
error = -EBUSY;
if (d_mountpoint(dentry))
goto out;
error = security_inode_rmdir(dir, d... |
functions | long do_rmdir(int dfd, const char __user *pathname)
{
int error = 0;
struct filename *name;
struct dentry *dentry;
struct nameidata nd;
unsigned int lookup_flags = 0;
retry:
name = user_path_parent(dfd, pathname, &nd, lookup_flags);
if (IS_ERR(name))
return PTR_ERR(name);
switch(nd.last_type) {
case LAST_DO... |
functions | int vfs_unlink(struct inode *dir, struct dentry *dentry, struct inode **delegated_inode)
{
struct inode *target = dentry->d_inode;
int error = may_delete(dir, dentry, 0);
if (error)
return error;
if (!dir->i_op->unlink)
return -EPERM;
mutex_lock(&target->i_mutex);
if (d_mountpoint(dentry))
error = -EBUSY... |
functions | long do_unlinkat(int dfd, const char __user *pathname)
{
int error;
struct filename *name;
struct dentry *dentry;
struct nameidata nd;
struct inode *inode = NULL;
struct inode *delegated_inode = NULL;
unsigned int lookup_flags = 0;
retry:
name = user_path_parent(dfd, pathname, &nd, lookup_flags);
if (IS_ERR(na... |
functions | int vfs_symlink(struct inode *dir, struct dentry *dentry, const char *oldname)
{
int error = may_create(dir, dentry);
if (error)
return error;
if (!dir->i_op->symlink)
return -EPERM;
error = security_inode_symlink(dir, dentry, oldname);
if (error)
return error;
error = dir->i_op->symlink(dir, dentry, ol... |
functions | int vfs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *new_dentry, struct inode **delegated_inode)
{
struct inode *inode = old_dentry->d_inode;
unsigned max_links = dir->i_sb->s_max_links;
int error;
if (!inode)
return -ENOENT;
error = may_create(dir, new_dentry);
if (error)
return error;... |
functions | int vfs_rename_dir(struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry)
{
int error = 0;
struct inode *target = new_dentry->d_inode;
unsigned max_links = new_dir->i_sb->s_max_links;
/*
* If we are going to change the parent - check write permissions,
* we'll ... |
functions | int vfs_rename_other(struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry,
struct inode **delegated_inode)
{
struct inode *target = new_dentry->d_inode;
struct inode *source = old_dentry->d_inode;
int error;
error = security_inode_rename(old_dir, old_dent... |
functions | int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry,
struct inode **delegated_inode)
{
int error;
int is_dir = d_is_directory(old_dentry) || d_is_autodir(old_dentry);
const unsigned char *old_name;
if (old_dentry->d_inode == new_dentry->... |
functions | int vfs_readlink(struct dentry *dentry, char __user *buffer, int buflen, const char *link)
{
int len;
len = PTR_ERR(link);
if (IS_ERR(link))
goto out;
len = strlen(link);
if (len > (unsigned) buflen)
len = buflen;
if (copy_to_user(buffer, link, len))
len = -EFAULT;
out:
return len;
} |
functions | int generic_readlink(struct dentry *dentry, char __user *buffer, int buflen)
{
struct nameidata nd;
void *cookie;
int res;
nd.depth = 0;
cookie = dentry->d_inode->i_op->follow_link(dentry, &nd);
if (IS_ERR(cookie))
return PTR_ERR(cookie);
res = vfs_readlink(dentry, buffer, buflen, nd_get_link(&nd));
if (den... |
functions | int page_readlink(struct dentry *dentry, char __user *buffer, int buflen)
{
struct page *page = NULL;
char *s = page_getlink(dentry, &page);
int res = vfs_readlink(dentry,buffer,buflen,s);
if (page) {
kunmap(page);
page_cache_release(page);
} |
functions | void page_put_link(struct dentry *dentry, struct nameidata *nd, void *cookie)
{
struct page *page = cookie;
if (page) {
kunmap(page);
page_cache_release(page);
} |
functions | int __page_symlink(struct inode *inode, const char *symname, int len, int nofs)
{
struct address_space *mapping = inode->i_mapping;
struct page *page;
void *fsdata;
int err;
char *kaddr;
unsigned int flags = AOP_FLAG_UNINTERRUPTIBLE;
if (nofs)
flags |= AOP_FLAG_NOFS;
retry:
err = pagecache_write_begin(NULL, ... |
functions | int page_symlink(struct inode *inode, const char *symname, int len)
{
return __page_symlink(inode, symname, len,
!(mapping_gfp_mask(inode->i_mapping) & __GFP_FS));
} |
includes | #include <xorg-config.h> |
includes |
#include <X11/X.h> |
defines |
#define PSZ 8 |
functions | void
cfb8_32PaintWindow(
WindowPtr pWin,
RegionPtr pRegion,
int what
){
WindowPtr pBgWin;
int xorg, yorg;
switch (what) {
case PW_BACKGROUND:
switch (pWin->backgroundState) {
case None:
break;
case ParentRelative:
do {
pWin = pWin->parent;
} |
functions | PANORAMIX
if(!noPanoramiXExtension) {
int index = pWin->drawable.pScreen->myNum;
if(WindowTable[index] == pWin) {
xorg -= panoramiXdataPtr[index].x;
yorg -= panoramiXdataPtr[index].y;
} |
functions | PANORAMIX
if(!noPanoramiXExtension) {
int index = pWin->drawable.pScreen->myNum;
if(WindowTable[index] == pBgWin) {
xorg -= panoramiXdataPtr[index].x;
yorg -= panoramiXdataPtr[index].y;
} |
functions | void
cfb8_32FillBoxSolid8(
DrawablePtr pDraw,
int nbox,
BoxPtr pbox,
unsigned long color
){
CARD8 *ptr, *data;
int pitch, height, width, i;
CARD8 c = (CARD8)color;
cfbGetByteWidthAndPointer(pDraw, pitch, ptr);
ptr += 3; /* point to the top byte */
while(nbox--) {
data = ptr + (pbo... |
functions | void
cfb8_32FillBoxSolid32(
DrawablePtr pDraw,
int nbox,
BoxPtr pbox,
unsigned long color
){
CARD8 *ptr, *data;
CARD16 *ptr2, *data2;
int pitch, pitch2;
int height, width, i;
CARD8 c = (CARD8)(color >> 16);
CARD16 c2 = (CARD16)color;
cfbGetByteWidthAndPointer(pDraw, pitch, ptr);... |
includes |
#include <sys/types.h> |
includes | #include <sys/wait.h> |
includes | #include <stdlib.h> |
includes | #include <stdio.h> |
includes |
#include <X11/IntrinsicP.h> |
includes | #include <X11/StringDefs.h> |
includes | #include <X11/Xatom.h> |
includes | #include <X11/Xproto.h> |
includes | #include <X11/Xos.h> |
includes | #include <Mowitz/Mowitz.h> |
includes | #include <ctype.h> |
includes |
#include <signal.h> |
includes | #include <fcntl.h> |
includes |
#include <errno.h> |
includes | #include <descrip.h> |
includes | #include <ssdef.h> |
includes | #include <clidef.h> |
includes | #include <lnmdef.h> |
includes | #include <iodef.h> |
includes | #include <dvidef.h> |
defines | #define SIGVAL int |
defines | #define SIGVAL void |
defines | #define O_NONBLOCK O_NDELAY |
defines | #define EWOULDBLOCK EAGAIN |
defines | #define EAGAIN EWOULDBLOCK |
defines | #define GV_BUFSIZ 512 |
defines | #define GV_BUFSIZ 1024 |
defines | #define offset(field) XtOffsetOf(GhostviewRec, ghostview.field) |
defines | #define SEEK_SET 0 |
defines | #define NUM_ARGS 100 |
defines | #define vfork fork |
defines |
#define done(type, value) \ |
defines |
#define ERR_SIGNAL(s) if(!((s) & 1))lib$signal((s), 0, 0) |
defines | #define XtEFN 23 |
structs | struct g_l_i
{
GhostviewWidget w;
struct g_l_i *next;
}; |
functions | endif
if (gvw->ghostview.buffer_bytes_left == 0) {
/* Get a new section if required */
if (gvw->ghostview.ps_input && gvw->ghostview.bytes_left == 0) {
struct record_list *ps_old = gvw->ghostview.ps_input;
gvw->ghostview.ps_input = ps_old->next;
if (ps_old->close) fclose(ps_old->fp);
MwFree((char *... |
functions | else if (gvw->ghostview.bytes_left > 0) {
gvw->ghostview.buffer_bytes_left =
fread(gvw->ghostview.input_buffer,
sizeof (char), gvw->ghostview.bytes_left,
gvw->ghostview.ps_input->fp);
} |
functions | else if (bytes_written == -1) {
if ((errno != EWOULDBLOCK) && (errno != EAGAIN)) {
InterpreterFailed(w); /* Something bad happened */
} |
functions | else if (bytes == -1) {
InterpreterFailed(w); /* Something bad happened */
return;
} |
functions | else if (*source == gvw->ghostview.interpreter_error) {
bytes = read(gvw->ghostview.interpreter_error, buf, GV_BUFSIZ);
if (bytes == 0) { /* EOF occurred */
close(gvw->ghostview.interpreter_error);
gvw->ghostview.interpreter_error = -1;
XtRemoveInput(gvw->ghostview.interpreter_error_id);
return;
... |
functions | else if (bytes == -1) {
InterpreterFailed(w); /* Something bad happened */
return;
} |
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