VFS: Use vfs_path_t in some interface functions

Signed-off-by: Slava Zanko <slavazanko@gmail.com>
This commit is contained in:
Slava Zanko 2011-04-18 15:08:13 +03:00
parent 3a1936aade
commit 41f2e27f8d
2 changed files with 184 additions and 151 deletions

View File

@ -48,10 +48,11 @@
#include "lib/global.h"
#include "lib/widget.h" /* message() */
#include "lib/strutil.h" /* str_crt_conv_from() */
#include "lib/strutil.h" /* str_crt_conv_from() */
#include "vfs.h"
#include "utilvfs.h"
#include "path.h"
#include "gc.h"
extern GString *vfs_str_buffer;
@ -184,42 +185,39 @@ mc_def_ungetlocalcopy (struct vfs_class *vfs, const char *filename,
int
mc_open (const char *filename, int flags, ...)
{
int mode = 0;
void *info;
va_list ap;
char *file;
struct vfs_class *vfs;
int mode = 0, result = -1;
vfs_path_t *vpath;
vfs_path_element_t *path_element;
file = vfs_canon_and_translate (filename);
if (file == NULL)
vpath = vfs_path_from_str (filename);
if (vpath == NULL)
return -1;
vfs = vfs_get_class (file);
/* Get the mode flag */
if (flags & O_CREAT)
{
va_list ap;
va_start (ap, flags);
mode = va_arg (ap, int);
va_end (ap);
}
if (vfs->open == NULL)
path_element = vfs_path_get_by_index (vpath, vfs_path_length (vpath) - 1);
if (path_element != NULL && path_element->class->open != NULL)
{
g_free (file);
void *info;
/* open must be supported */
info = path_element->class->open (path_element->class, vpath->unparsed, flags, mode);
if (info == NULL)
errno = vfs_ferrno (path_element->class);
else
result = vfs_new_handle (path_element->class, info);
}
else
errno = -EOPNOTSUPP;
return -1;
}
info = vfs->open (vfs, file, flags, mode); /* open must be supported */
g_free (file);
if (info == NULL)
{
errno = vfs_ferrno (vfs);
return -1;
}
return vfs_new_handle (vfs, info);
vfs_path_free (vpath);
return result;
}
/* --------------------------------------------------------------------------------------------- */
@ -229,33 +227,42 @@ mc_open (const char *filename, int flags, ...)
#define MC_NAMEOP(name, inarg, callarg) \
int mc_##name inarg \
{ \
struct vfs_class *vfs; \
int result; \
char *mpath; \
mpath = vfs_canon_and_translate (path); \
if (mpath == NULL) \
vfs_path_t *vpath; \
vfs_path_element_t *path_element; \
\
vpath = vfs_path_from_str (path); \
if (vpath == NULL) \
return -1; \
vfs = vfs_get_class (mpath); \
if (vfs == NULL) \
\
path_element = vfs_path_get_by_index (vpath, vfs_path_length (vpath) - 1); \
if (path_element == NULL) \
{ \
g_free (mpath); \
vfs_path_free(vpath); \
return -1; \
} \
result = vfs->name != NULL ? vfs->name callarg : -1; \
g_free (mpath); \
\
if (path_element->class == NULL) \
{ \
vfs_path_free(vpath); \
return -1; \
} \
\
result = path_element->class != NULL ? path_element->class->name callarg : -1; \
if (result == -1) \
errno = vfs->name != NULL ? vfs_ferrno (vfs) : E_NOTSUPP; \
errno = path_element->class->name != NULL ? vfs_ferrno (path_element->class) : E_NOTSUPP; \
vfs_path_free(vpath); \
return result; \
}
MC_NAMEOP (chmod, (const char *path, mode_t mode), (vfs, mpath, mode))
MC_NAMEOP (chown, (const char *path, uid_t owner, gid_t group), (vfs, mpath, owner, group))
MC_NAMEOP (utime, (const char *path, struct utimbuf * times), (vfs, mpath, times))
MC_NAMEOP (readlink, (const char *path, char *buf, size_t bufsiz), (vfs, mpath, buf, bufsiz))
MC_NAMEOP (unlink, (const char *path), (vfs, mpath))
MC_NAMEOP (mkdir, (const char *path, mode_t mode), (vfs, mpath, mode))
MC_NAMEOP (rmdir, (const char *path), (vfs, mpath))
MC_NAMEOP (mknod, (const char *path, mode_t mode, dev_t dev), (vfs, mpath, mode, dev))
MC_NAMEOP (chmod, (const char *path, mode_t mode), (path_element->class, vpath->unparsed, mode))
MC_NAMEOP (chown, (const char *path, uid_t owner, gid_t group), (path_element->class, vpath->unparsed, owner, group))
MC_NAMEOP (utime, (const char *path, struct utimbuf * times), (path_element->class, vpath->unparsed, times))
MC_NAMEOP (readlink, (const char *path, char *buf, size_t bufsiz), (path_element->class, vpath->unparsed, buf, bufsiz))
MC_NAMEOP (unlink, (const char *path), (path_element->class, vpath->unparsed))
MC_NAMEOP (mkdir, (const char *path, mode_t mode), (path_element->class, vpath->unparsed, mode))
MC_NAMEOP (rmdir, (const char *path), (path_element->class, vpath->unparsed))
MC_NAMEOP (mknod, (const char *path, mode_t mode, dev_t dev), (path_element->class, vpath->unparsed, mode, dev))
/* *INDENT-ON* */
@ -264,35 +271,40 @@ MC_NAMEOP (mknod, (const char *path, mode_t mode, dev_t dev), (vfs, mpath, mode,
int
mc_symlink (const char *name1, const char *path)
{
struct vfs_class *vfs;
int result;
char *mpath;
int result = -1;
vfs_path_t *vpath;
vfs_path_element_t *path_element;
char *lpath;
char *tmp;
mpath = vfs_canon_and_translate (path);
if (mpath == NULL)
vpath = vfs_path_from_str (path);
if (vpath == NULL)
return -1;
path_element = vfs_path_get_by_index (vpath, vfs_path_length (vpath) - 1);
if (path_element == NULL)
{
vfs_path_free (vpath);
return -1;
}
tmp = g_strdup (name1);
lpath = vfs_translate_path_n (tmp);
g_free (tmp);
if (lpath != NULL)
{
vfs = vfs_get_class (mpath);
result = vfs->symlink != NULL ? vfs->symlink (vfs, lpath, mpath) : -1;
g_free (lpath);
g_free (mpath);
result =
path_element->class->symlink !=
NULL ? path_element->class->symlink (path_element->class, lpath,
vpath->unparsed) : -1;
if (result == -1)
errno = vfs->symlink != NULL ? vfs_ferrno (vfs) : E_NOTSUPP;
return result;
errno =
path_element->class->symlink != NULL ? vfs_ferrno (path_element->class) : E_NOTSUPP;
}
g_free (mpath);
return -1;
g_free (lpath);
vfs_path_free (vpath);
return result;
}
/* --------------------------------------------------------------------------------------------- */
@ -323,30 +335,38 @@ MC_HANDLEOP (write, (int handle, const void *buf, size_t nbyte), (vfs_class_data
#define MC_RENAMEOP(name) \
int mc_##name (const char *fname1, const char *fname2) \
{ \
struct vfs_class *vfs; \
int result; \
char *name2, *name1; \
name1 = vfs_canon_and_translate (fname1); \
if (name1 == NULL) \
vfs_path_t *vpath1, *vpath2; \
vfs_path_element_t *path_element1, *path_element2; \
\
vpath1 = vfs_path_from_str (fname1); \
if (vpath1 == NULL) \
return -1; \
name2 = vfs_canon_and_translate (fname2); \
if (name2 == NULL) { \
g_free (name1); \
\
vpath2 = vfs_path_from_str (fname2); \
if (vpath2 == NULL) \
{ \
vfs_path_free(vpath1); \
return -1; \
} \
vfs = vfs_get_class (name1); \
if (vfs != vfs_get_class (name2)) \
}\
path_element1 = vfs_path_get_by_index (vpath1, vfs_path_length (vpath1) - 1); \
path_element2 = vfs_path_get_by_index (vpath2, vfs_path_length (vpath2) - 1); \
\
if (path_element1->class != path_element2->class) \
{ \
errno = EXDEV; \
g_free (name1); \
g_free (name2); \
vfs_path_free(vpath1); \
vfs_path_free(vpath2); \
return -1; \
} \
result = vfs->name != NULL ? vfs->name (vfs, name1, name2) : -1; \
g_free (name1); \
g_free (name2); \
}\
\
result = path_element1->class->name != NULL \
? path_element1->class->name (path_element1->class, vpath1->unparsed, vpath2->unparsed) \
: -1; \
if (result == -1) \
errno = vfs->name != NULL ? vfs_ferrno (vfs) : E_NOTSUPP; \
errno = path_element1->class->name != NULL ? vfs_ferrno (path_element1->class) : E_NOTSUPP; \
vfs_path_free(vpath1); \
vfs_path_free(vpath2); \
return result; \
}
@ -373,21 +393,23 @@ mc_ctl (int handle, int ctlop, void *arg)
int
mc_setctl (const char *path, int ctlop, void *arg)
{
struct vfs_class *vfs;
int result = -1;
char *mpath;
if (path == NULL)
vfs_path_t *vpath;
vfs_path_element_t *path_element;
vpath = vfs_path_from_str (path);
if (vpath == NULL)
vfs_die ("You don't want to pass NULL to mc_setctl.");
mpath = vfs_canon_and_translate (path);
if (mpath != NULL)
{
vfs = vfs_get_class (mpath);
result = vfs->setctl != NULL ? vfs->setctl (vfs, mpath, ctlop, arg) : 0;
g_free (mpath);
}
path_element = vfs_path_get_by_index (vpath, vfs_path_length (vpath) - 1);
if (path_element != NULL && path_element->class != NULL)
result =
path_element->class->setctl != NULL ? path_element->class->setctl (path_element->class,
vpath->unparsed,
ctlop, arg) : 0;
vfs_path_free (vpath);
return result;
}
@ -554,29 +576,26 @@ mc_closedir (DIR * dirp)
int
mc_stat (const char *filename, struct stat *buf)
{
struct vfs_class *vfs;
int result;
char *path;
int result = -1;
vfs_path_t *vpath;
vfs_path_element_t *path_element;
path = vfs_canon_and_translate (filename);
if (path == NULL)
vpath = vfs_path_from_str (filename);
if (vpath == NULL)
return -1;
vfs = vfs_get_class (path);
path_element = vfs_path_get_by_index (vpath, vfs_path_length (vpath) - 1);
if (vfs == NULL)
if (path_element != NULL && path_element->class != NULL)
{
g_free (path);
return -1;
result =
path_element->class->stat ? (*path_element->class->stat) (path_element->class,
vpath->unparsed, buf) : -1;
if (result == -1)
errno = path_element->class->name ? vfs_ferrno (path_element->class) : E_NOTSUPP;
}
result = vfs->stat ? (*vfs->stat) (vfs, path, buf) : -1;
g_free (path);
if (result == -1)
errno = vfs->name ? vfs_ferrno (vfs) : E_NOTSUPP;
vfs_path_free (vpath);
return result;
}
@ -585,26 +604,27 @@ mc_stat (const char *filename, struct stat *buf)
int
mc_lstat (const char *filename, struct stat *buf)
{
struct vfs_class *vfs;
int result;
char *path;
int result = -1;
vfs_path_t *vpath;
vfs_path_element_t *path_element;
path = vfs_canon_and_translate (filename);
if (path == NULL)
vpath = vfs_path_from_str (filename);
if (vpath == NULL)
return -1;
vfs = vfs_get_class (path);
if (vfs == NULL)
path_element = vfs_path_get_by_index (vpath, vfs_path_length (vpath) - 1);
if (path_element != NULL && path_element->class != NULL)
{
g_free (path);
return -1;
result =
path_element->class->lstat ? (*path_element->class->lstat) (path_element->class,
vpath->unparsed,
buf) : -1;
if (result == -1)
errno = path_element->class->name ? vfs_ferrno (path_element->class) : E_NOTSUPP;
}
result = vfs->lstat ? (*vfs->lstat) (vfs, path, buf) : -1;
g_free (path);
if (result == -1)
errno = vfs->name ? vfs_ferrno (vfs) : E_NOTSUPP;
vfs_path_free (vpath);
return result;
}
@ -650,20 +670,23 @@ char *
mc_getlocalcopy (const char *pathname)
{
char *result = NULL;
char *path;
vfs_path_t *vpath;
vfs_path_element_t *path_element;
path = vfs_canon_and_translate (pathname);
if (path != NULL)
vpath = vfs_path_from_str (pathname);
if (vpath == NULL)
return NULL;
path_element = vfs_path_get_by_index (vpath, vfs_path_length (vpath) - 1);
if (path_element != NULL)
{
struct vfs_class *vfs = vfs_get_class (path);
result = vfs->getlocalcopy != NULL ?
vfs->getlocalcopy (vfs, path) : mc_def_getlocalcopy (path);
g_free (path);
result = path_element->class->getlocalcopy != NULL ?
path_element->class->getlocalcopy (path_element->class,
vpath->unparsed) : mc_def_getlocalcopy (vpath->unparsed);
if (result == NULL)
errno = vfs_ferrno (vfs);
errno = vfs_ferrno (path_element->class);
}
vfs_path_free (vpath);
return result;
}
@ -673,19 +696,22 @@ int
mc_ungetlocalcopy (const char *pathname, const char *local, int has_changed)
{
int return_value = -1;
char *path;
vfs_path_t *vpath;
vfs_path_element_t *path_element;
path = vfs_canon_and_translate (pathname);
if (path != NULL)
vpath = vfs_path_from_str (pathname);
if (vpath == NULL)
return -1;
path_element = vfs_path_get_by_index (vpath, vfs_path_length (vpath) - 1);
if (path_element != NULL)
{
struct vfs_class *vfs = vfs_get_class (path);
return_value = vfs->ungetlocalcopy != NULL ?
vfs->ungetlocalcopy (vfs, path, local, has_changed) :
mc_def_ungetlocalcopy (vfs, path, local, has_changed);
g_free (path);
return_value = path_element->class->ungetlocalcopy != NULL ?
path_element->class->ungetlocalcopy (path_element->class, vpath->unparsed, local,
has_changed) :
mc_def_ungetlocalcopy (path_element->class, vpath->unparsed, local, has_changed);
}
vfs_path_free (vpath);
return return_value;
}

View File

@ -34,6 +34,8 @@
#include "lib/global.h"
#include "vfs.h"
#include "utilvfs.h"
#include "path.h"
/*** global variables ****************************************************************************/
@ -67,37 +69,42 @@ vfs_path_to_str (const vfs_path_t * path)
vfs_path_element_t *element = vfs_path_get_by_index (path, element_index);
g_string_append (buffer, element->path);
}
return g_string_free(buffer, FALSE);
return g_string_free (buffer, FALSE);
}
/* --------------------------------------------------------------------------------------------- */
vfs_path_t *
vfs_path_from_str (const char * path_str)
vfs_path_from_str (const char *path_str)
{
char *file;
vfs_path_t *path;
vfs_path_element_t *element;
if (path_str == NULL)
return NULL;
path = vfs_path_new();
file = vfs_canon_and_translate (path_str);
if (file == NULL)
return NULL;
element = g_new0(vfs_path_element_t,1);
element->path = g_strdup(path_str); // FIXME!!!
path = vfs_path_new ();
g_ptr_array_add(path->path,element);
element = g_new0 (vfs_path_element_t, 1);
element->class = vfs_get_class (file);
g_ptr_array_add (path->path, element);
path->unparsed = file;
return path;
}
/* --------------------------------------------------------------------------------------------- */
vfs_path_t *
vfs_path_new(void)
vfs_path_new (void)
{
vfs_path_t *path;
path = g_new0(vfs_path_t,1);
path = g_new0 (vfs_path_t, 1);
path->path = g_ptr_array_new ();
return path;
}
@ -105,7 +112,7 @@ vfs_path_new(void)
/* --------------------------------------------------------------------------------------------- */
size_t
vfs_path_length (const vfs_path_t *path)
vfs_path_length (const vfs_path_t * path)
{
return path->path->len;
}
@ -113,22 +120,22 @@ vfs_path_length (const vfs_path_t *path)
/* --------------------------------------------------------------------------------------------- */
vfs_path_element_t *
vfs_path_get_by_index (const vfs_path_t *path, size_t element_index)
vfs_path_get_by_index (const vfs_path_t * path, size_t element_index)
{
return g_ptr_array_index(path->path, element_index);
return g_ptr_array_index (path->path, element_index);
}
/* --------------------------------------------------------------------------------------------- */
void
vfs_path_element_free(vfs_path_element_t *element)
vfs_path_element_free (vfs_path_element_t * element)
{
if (element == NULL)
return;
g_free(element->path);
g_free(element->encoding);
g_free(element);
g_free (element->path);
g_free (element->encoding);
g_free (element);
}
/* --------------------------------------------------------------------------------------------- */
@ -141,8 +148,8 @@ vfs_path_free (vfs_path_t * path)
g_ptr_array_foreach (path->path, (GFunc) vfs_path_element_free, NULL);
g_ptr_array_free (path->path, TRUE);
g_free(path->unparsed);
g_free(path);
g_free (path->unparsed);
g_free (path);
}
/* --------------------------------------------------------------------------------------------- */