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Implemented relaxed iso constraints & Cunit based unit-tests

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This commit is contained in:
Mario Danic
2007-06-21 11:19:11 +00:00
parent beb88c79cd
commit f57c1f4652
15 changed files with 624 additions and 407 deletions
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63
libisofs/trunk/libisofs/ecma119.c
View File

@ -269,45 +269,62 @@ calc_file_pos(struct ecma119_write_target *t,
t->curfile = 0;
}
struct ecma119_write_target*
/**
* Create a new ecma119_write_target from the given volume number of the
* given volume set.
*
* \pre \p volnum is less than \p volset-\>volset_size.
* \post For each node in the tree, writer_data has been allocated.
* \post The directory heirarchy has been reorganised to be ecma119-compatible.
*/
static struct ecma119_write_target*
ecma119_target_new(struct iso_volset *volset,
int volnum,
int level,
int flags)
const struct ecma119_source_opts *opts)
{
struct ecma119_write_target *t =
calloc(1, sizeof(struct ecma119_write_target));
size_t i, j, cur;
struct iso_tree_node *iso_root =
(struct iso_tree_node*) volset->volume[volnum]->root;
(struct iso_tree_node*) volset->volume[opts->volnum]->root;
//TODO default values here, need an API for this
t->cache_inodes = 1;
t->replace_mode = 1;
t->dir_mode = 0555;
t->file_mode = 0444;
t->gid = 0;
t->uid = 0;
t->input_charset = "UTF-8";
t->ouput_charset = "UTF-8";
t->sort_files = 1;
t->cache_inodes = opts->no_cache_inodes ? 0 : 1;
t->replace_mode = opts->default_mode ? 0 : 1;
if ( opts->replace_dir_mode )
t->replace_mode |= 0x02;
if ( opts->replace_file_mode )
t->replace_mode |= 0x04;
if ( opts->replace_gid )
t->replace_mode |= 0x08;
if ( opts->replace_uid )
t->replace_mode |= 0x10;
t->dir_mode = opts->dir_mode;
t->file_mode = opts->file_mode;
t->gid = opts->gid;
t->uid = opts->uid;
//TODO get defailt values for current locale, no UTF-8
t->input_charset = opts->input_charset ? opts->input_charset : "UTF-8";
t->ouput_charset = opts->ouput_charset ? opts->ouput_charset : "UTF-8";
t->sort_files = opts->sort_files;
t->file_table = iso_file_table_new(t->cache_inodes);
volset->refcount++;
t->iso_level = level;
t->iso_level = opts->level;
t->block_size = 2048;
t->relaxed_constraints = opts->relaxed_constraints;
t->rockridge = (flags & ECMA119_ROCKRIDGE) ? 1 : 0;
t->joliet = (flags & ECMA119_JOLIET) ? 1 : 0;
t->rockridge = (opts->flags & ECMA119_ROCKRIDGE) ? 1 : 0;
t->joliet = (opts->flags & ECMA119_JOLIET) ? 1 : 0;
t->catalog = volset->volume[volnum]->bootcat;
t->catalog = volset->volume[opts->volnum]->bootcat;
t->eltorito = t->catalog ? 1 : 0;
t->root = ecma119_tree_create(t, iso_root);
if (t->joliet)
t->joliet_root = joliet_tree_create(t, iso_root);
t->volset = volset;
t->volnum = volnum;
t->volnum = opts->volnum;
t->now = time(NULL);
if (t->rockridge)
@ -811,15 +828,13 @@ bs_free_data(struct burn_source *bs)
}
struct burn_source *iso_source_new_ecma119(struct iso_volset *volset,
int volnum,
int level,
int flags)
struct ecma119_source_opts *opts)
{
struct burn_source *ret = calloc(1, sizeof(struct burn_source));
ret->refcount = 1;
ret->read = bs_read;
ret->get_size = bs_get_size;
ret->free_data = bs_free_data;
ret->data = ecma119_target_new(volset, volnum, level, flags);
ret->data = ecma119_target_new(volset, opts);
return ret;
}

15
libisofs/trunk/libisofs/ecma119.h
View File

@ -65,6 +65,8 @@ struct ecma119_write_target
unsigned int iso_level:2;
unsigned int eltorito:1;
int relaxed_constraints; /**< see ecma119_relaxed_constraints_flag */
struct el_torito_boot_catalog *catalog;
int replace_mode; /**< Replace ownership and modes of files
@ -168,19 +170,6 @@ struct ecma119_write_target
} state_files;
};
/**
* Create a new ecma119_write_target from the given volume number of the
* given volume set.
*
* \pre \p volnum is less than \p volset-\>volset_size.
* \post For each node in the tree, writer_data has been allocated.
* \post The directory heirarchy has been reorganised to be ecma119-compatible.
*/
struct ecma119_write_target *ecma119_target_new(struct iso_volset *volset,
int volnum,
int level,
int flags);
#define BP(a,b) [(b) - (a) + 1]
struct ecma119_pri_vol_desc

16
libisofs/trunk/libisofs/ecma119_tree.c
View File

@ -74,12 +74,23 @@ create_ecma119_node(struct ecma119_write_target *t,
char *(*iso_name)(const char *, const char *) = ISO_ISDIR(iso) ?
((t->iso_level == 1) ? iso_1_dirid : iso_2_dirid)
: ((t->iso_level == 1) ? iso_1_fileid : iso_2_fileid);
char *(*iso_r_name)(const char *, const char *, int) =
ISO_ISDIR(iso) ? iso_r_dirid : iso_r_fileid;
assert(t && (!parent || parent->type == ECMA119_DIR) && iso );
ret = calloc(1, sizeof(struct ecma119_tree_node));
ret->iso_name = iso->name ? iso_name(iso->name, t->input_charset) : NULL;
/*
* If selected one ISO relaxed constraints other than NO_DIR_REALOCATION,
* we use the function that computes the relaxed name, otherwise normal
* function for specified level is used.
*/
ret->iso_name = iso->name ?
( t->relaxed_constraints & ~ECMA119_NO_DIR_REALOCATION ?
iso_r_name(iso->name, t->input_charset, t->relaxed_constraints) :
iso_name(iso->name, t->input_charset)
) : NULL;
ret->dirent_len = calc_dirent_len(ret);
ret->attrib = iso->attrib;
if ( t->rockridge && t->replace_mode )
@ -507,7 +518,8 @@ ecma119_tree_create(struct ecma119_write_target *t,
struct iso_tree_node *iso_root)
{
t->root = create_tree(t, NULL, iso_root);
reorder_tree(t, t->root, t->root);
if ( !(t->relaxed_constraints & ECMA119_NO_DIR_REALOCATION) )
reorder_tree(t, t->root, t->root);
sort_tree(t->root);
mangle_all(t->root);
return t->root;

83
libisofs/trunk/libisofs/libisofs.h
View File

@ -64,6 +64,69 @@ enum eltorito_boot_media_type {
ELTORITO_NO_EMUL
};
enum ecma119_relaxed_constraints_flag {
ECMA119_OMIT_VERSION_NUMBERS = (1<<0),
/* 37 char filenames involves no version number */
ECMA119_37_CHAR_FILENAMES = (1<<1) | (1<<0),
ECMA119_NO_DIR_REALOCATION = (1<<2),
ECMA119_RELAXED_FILENAMES = (1<<3)
};
/**
* Holds the options for the image generation.
*/
struct ecma119_source_opts {
int volnum; /**< The volume in the set which you want to write (usually 0) */
int level; /**< ISO level to write at. */
int flags; /**< Which extensions to support. */
int relaxed_constraints; /**< see ecma119_relaxed_constraints_flag */
unsigned int no_cache_inodes:1;
/**< If use inode caching or not. Set it to 1 to prevent
* inode caching.
* Usage of inode caching allows detection of hard-links,
* which contents are only written once to disc this way.
* Don't use inode caching in systems with non unique inodes
* per device.
*/
unsigned int sort_files:1;
/**< If files should be sorted based on their weight. */
unsigned int default_mode:1;
/**<
* The default values for files and directory permissions,
* gid and uid. This option can be overwritten when set
* one of the following.
* 0 to use useful values, 1 to use node modes (this are
* the same as filesystem ones if not changed after added
* to tree).
*/
unsigned int replace_dir_mode:1;
/**<
* When 1, permissions for all dirs will be replaced by the
* specified in dir_mode field.
*/
unsigned int replace_file_mode:1;
/**<
* When 1, permissions for all files will be replaced by the
* specified in file_mode field.
*/
unsigned int replace_uid:1;
/**<
* When 1, uid of all nodes (both files and dirs) will be
* replaced by the specified in uid field.
*/
unsigned int replace_gid:1;
/**<
* When 1, gid of all nodes (both files and dirs) will be
* replaced by the specified in gid field.
*/
mode_t dir_mode; /**< Mode to use on dirs when replace_dir_mode is set. */
mode_t file_mode; /**< Mode to use on files when replace_file_mode is set. */
gid_t gid; /**< gid to use when replace_gid is set. */
uid_t uid; /**< uid to use when replace_uid is set. */
char *input_charset; /**< NULL to use default charset */
char *ouput_charset; /**< NULL to use default charset */
};
/**
* This will hold the error code for some functions, if them fail.
*/
@ -433,33 +496,19 @@ void iso_tree_node_set_sort_weight(struct iso_tree_node *node, int w);
*/
void iso_tree_print(const struct iso_tree_node *root, int spaces);
/**
* Holds the options for the image generation.
*/
//struct ecma119_source_opts {
// int volnum; /**< The volume in the set which you want to write (usually 0) */
// int level; /**< ISO level to write at. */
// int flags; /**< Which extensions to support. */
//};
/** Create a burn_source which can be used as a data source for a track
*
* The volume set used to create the libburn_source can _not_ be modified
* until the libburn_source is freed.
*
* \param volumeset The volume set from which you want to write
* \param volnum The volume in the set which you want to write (usually 0)
* \param level ISO level to write at.
* \param flags Which extensions to support.
* \param opts The options for image generation
*
* \pre \p volumeset is non-NULL
* \pre \p volnum is less than \p volset->volset_size.
* \return A burn_source to be used for the data source for a track
*/
struct burn_source* iso_source_new_ecma119 (struct iso_volset *volumeset,
int volnum,
int level,
int flags);
struct burn_source* iso_source_new_ecma119(struct iso_volset *volumeset,
struct ecma119_source_opts *opts);
#endif /* LIBISO_LIBISOFS_H */

109
libisofs/trunk/libisofs/util.c
View File

@ -20,6 +20,7 @@
#include <limits.h>
#include "util.h"
#include "libisofs.h"
/* avoids warning and names in iso, joliet and rockridge can't be > 255 bytes
* anyway. There are at most 31 characters in iso level 1, 255 for rockridge,
@ -401,6 +402,33 @@ char *iso_2_dirid(const char *src, const char *icharset)
return iso_dirid(src, 31, icharset);
}
char *iso_r_dirid(const char *src, const char *icharset, int flags)
{
char *ret = str2ascii(src, icharset);
size_t size, len, i;
if (!ret)
return NULL;
size = flags & ECMA119_37_CHAR_FILENAMES ? 37 : 31;
len = strlen(ret);
if (len > size) {
ret[size] = '\0';
len = size;
}
if (flags & ECMA119_RELAXED_FILENAMES)
return ret;
for (i = 0; i < len; i++) {
char c = toupper(ret[i]);
ret[i] = valid_d_char(c) ? c : '_';
}
return ret;
}
char *iso_1_fileid(const char *src_arg, const char *icharset)
{
char *src = str2ascii(src_arg, icharset);
@ -470,7 +498,7 @@ char *iso_2_fileid(const char *src_arg, const char *icharset)
extension, we need to calculate their new lengths (lnname and
lnext). If the original filename is too long, we start by trimming
the extension, but keep a minimum extension length of 3. */
if (dot == NULL || dot == src || *(dot + 1) == '\0') {
if (dot == NULL || *(dot + 1) == '\0') {
lname = strlen(src);
lnname = (lname > 30) ? 30 : lname;
lext = lnext = 0;
@ -511,6 +539,85 @@ char *iso_2_fileid(const char *src_arg, const char *icharset)
return dest;
}
char *
iso_r_fileid(const char *src_arg, const char *icharset, int flag)
{
char *src = str2ascii(src_arg, icharset);
char *dest;
char *dot;
int lname, lext, lnname, lnext, pos, i;
size_t size = flag & (1<<1) ? 37 : 33;
if (!src)
return NULL;
dest = malloc(size+1);
if (flag & ECMA119_RELAXED_FILENAMES) {
strncpy(dest, src, size);
dest[size] = '\0'; /* ensure 37 / 33 max length */
pos = strlen(dest);
pos = pos < (size == 37 ? 37 : 31) ? pos : (size == 37 ? 37 : 31);
if ( !(flag & ECMA119_OMIT_VERSION_NUMBERS) ) {
dest[pos++] = ';';
dest[pos++] = '1';
}
dest[pos] = '\0';
return dest;
}
/* no relaxed filenames */
dot = strrchr(src, '.');
size_t max = size == 37 ? 36 : 30;
/* Since the maximum length can be divided freely over the name and
extension, we need to calculate their new lengths (lnname and
lnext). If the original filename is too long, we start by trimming
the extension, but keep a minimum extension length of 3. */
if (dot == NULL || *(dot + 1) == '\0') {
lname = strlen(src);
lnname = (lname > max) ? max : lname;
lext = lnext = 0;
} else {
lext = strlen(dot + 1);
lname = strlen(src) - lext - 1;
lnext = (strlen(src) > max + 1 && lext > 3)
? (lname < max - 3 ? max - lname : 3) : lext;
lnname = (strlen(src) > max +1) ? max - lnext : lname;
}
if (lnname == 0 && lnext == 0) {
free(src);
free(dest);
return NULL;
}
pos = 0;
/* Convert up to lnname characters of the filename. */
for (i = 0; i < lnname; i++) {
char c = toupper(src[i]);
dest[pos++] = valid_d_char(c) ? c : '_';
}
dest[pos++] = '.';
/* Convert up to lnext characters of the extension, if any. */
for (i = 0; i < lnext; i++) {
char c = toupper(src[lname + 1 + i]);
dest[pos++] = valid_d_char(c) ? c : '_';
}
if ( !(flag & ECMA119_OMIT_VERSION_NUMBERS) ) {
dest[pos++] = ';';
dest[pos++] = '1';
}
dest[pos] = '\0';
dest = (char *)realloc(dest, pos + 1);
free(src);
return dest;
}
char *
iso_p_fileid(const char *src, const char *icharset)
{

10
libisofs/trunk/libisofs/util.h
View File

@ -49,6 +49,11 @@ char *iso_1_dirid(const char *src, const char *);
*/
char *iso_2_dirid(const char *src, const char *);
/**
* Create a directory identifier with relaxed constraints
*/
char *iso_r_dirid(const char *src, const char *icharset, int flags);
/**
* Create a level 1 file identifier that consists of a name, extension and
* version number. The resulting string will have a file name of maximum
@ -67,6 +72,11 @@ char *iso_1_fileid(const char *src, const char *);
*/
char *iso_2_fileid(const char *src, const char *);
/**
* Create a file identifier with relaxed constraints.
*/
char *iso_r_fileid(const char *src, const char *icharset, int flags);
/**
* Create a Joliet file or directory identifier that consists of a name,
* extension and version number. The combined name and extension length will