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Implemented no_force_dots and separate omit_version_numbers for

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Joliet to allow producing the same Joliet names as mkisofs -J.
This commit is contained in:
Thomas Schmitt
2010-04-13 10:18:55 +02:00
parent b089f2e978
commit 016baf9984
7 changed files with 37 additions and 18 deletions
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6
libisofs/ecma119.c
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@ -96,7 +96,7 @@ void ecma119_image_free(Ecma119Image *t)
static
int need_version_number(Ecma119Image *t, Ecma119Node *n)
{
if (t->omit_version_numbers) {
if (t->omit_version_numbers & 1) {
return 0;
}
if (n->type == ECMA119_DIR || n->type == ECMA119_PLACEHOLDER) {
@ -1821,7 +1821,7 @@ int iso_write_opts_set_omit_version_numbers(IsoWriteOpts *opts, int omit)
if (opts == NULL) {
return ISO_NULL_POINTER;
}
opts->omit_version_numbers = omit ? 1 : 0;
opts->omit_version_numbers = omit & 3;
return ISO_SUCCESS;
}
@ -1857,7 +1857,7 @@ int iso_write_opts_set_no_force_dots(IsoWriteOpts *opts, int no)
if (opts == NULL) {
return ISO_NULL_POINTER;
}
opts->no_force_dots = no ? 1 : 0;
opts->no_force_dots = no & 3;
return ISO_SUCCESS;
}

12
libisofs/ecma119.h
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@ -57,8 +57,10 @@ struct iso_write_opts {
/**
* Omit the version number (";1") at the end of the ISO-9660 identifiers.
* Version numbers are usually not used.
* bit0= ECMA-119 and Joliet (for historical reasons)
* bit1= Joliet
*/
unsigned int omit_version_numbers :1;
unsigned int omit_version_numbers :2;
/**
* Allow ISO-9660 directory hierarchy to be deeper than 8 levels.
@ -82,8 +84,10 @@ struct iso_write_opts {
* ISO-9660 forces filenames to have a ".", that separates file name from
* extension. libisofs adds it if original filename doesn't has one. Set
* this to 1 to prevent this behavior
* bit0= ECMA-119
* bit1= Joliet
*/
unsigned int no_force_dots :1;
unsigned int no_force_dots :2;
/**
* Allow lowercase characters in ISO-9660 filenames. By default, only
@ -344,11 +348,11 @@ struct ecma119_image
unsigned int always_gmt :1;
/* relaxed constraints */
unsigned int omit_version_numbers :1;
unsigned int omit_version_numbers :2;
unsigned int allow_deep_paths :1;
unsigned int allow_longer_paths :1;
unsigned int max_37_char_filenames :1;
unsigned int no_force_dots :1;
unsigned int no_force_dots :2;
unsigned int allow_lowercase :1;
unsigned int allow_full_ascii :1;

6
libisofs/ecma119_tree.c
View File

@ -64,18 +64,18 @@ int get_iso_name(Ecma119Image *img, IsoNode *iso, char **name)
} else {
if (img->max_37_char_filenames) {
isoname = iso_r_fileid(ascii_name, 36, relaxed,
img->no_force_dots ? 0 : 1);
(img->no_force_dots & 1) ? 0 : 1);
} else if (img->iso_level == 1) {
if (relaxed) {
isoname = iso_r_fileid(ascii_name, 11, relaxed,
img->no_force_dots ? 0 : 1);
(img->no_force_dots & 1) ? 0 : 1);
} else {
isoname = iso_1_fileid(ascii_name);
}
} else {
if (relaxed) {
isoname = iso_r_fileid(ascii_name, 30, relaxed,
img->no_force_dots ? 0 : 1);
(img->no_force_dots & 1) ? 0 : 1);
} else {
isoname = iso_2_fileid(ascii_name);
}

8
libisofs/joliet.c
View File

@ -43,7 +43,7 @@ int get_joliet_name(Ecma119Image *t, IsoNode *iso, uint16_t **name)
if (iso->type == LIBISO_DIR) {
jname = iso_j_dir_id(ucs_name);
} else {
jname = iso_j_file_id(ucs_name);
jname = iso_j_file_id(ucs_name, !!(t->no_force_dots & 2));
}
free(ucs_name);
if (jname != NULL) {
@ -574,7 +574,7 @@ size_t calc_dirent_len(Ecma119Image *t, JolietNode *n)
{
/* note than name len is always even, so we always need the pad byte */
int ret = n->name ? ucslen(n->name) * 2 + 34 : 34;
if (n->type == JOLIET_FILE && !t->omit_version_numbers) {
if (n->type == JOLIET_FILE && !(t->omit_version_numbers & 3)) {
/* take into account version numbers */
ret += 4;
}
@ -722,7 +722,7 @@ void write_one_dir_record(Ecma119Image *t, JolietNode *node, int file_id,
memcpy(rec->file_id, name, len_fi);
if (node->type == JOLIET_FILE && !t->omit_version_numbers) {
if (node->type == JOLIET_FILE && !(t->omit_version_numbers & 3)) {
len_dr += 4;
rec->file_id[len_fi++] = 0;
rec->file_id[len_fi++] = ';';
@ -899,7 +899,7 @@ int write_one_dir(Ecma119Image *t, JolietNode *dir)
/* compute len of directory entry */
fi_len = ucslen(child->name) * 2;
len = fi_len + 34;
if (child->type == JOLIET_FILE && !t->omit_version_numbers) {
if (child->type == JOLIET_FILE && !(t->omit_version_numbers & 3)) {
len += 4;
}

7
libisofs/libisofs.h
View File

@ -1286,7 +1286,9 @@ int iso_write_opts_set_aaip(IsoWriteOpts *opts, int enable);
* Omit the version number (";1") at the end of the ISO-9660 identifiers.
* This breaks ECMA-119 specification, but version numbers are usually not
* used, so it should work on most systems. Use with caution.
*
* @param omit
* bit0= omit version number with ECMA-119 and Joliet
* bit1= omit version number with Joliet alone (@since 0.6.30)
* @since 0.6.2
*/
int iso_write_opts_set_omit_version_numbers(IsoWriteOpts *opts, int omit);
@ -1324,6 +1326,9 @@ int iso_write_opts_set_max_37_char_filenames(IsoWriteOpts *opts, int allow);
* extension. libisofs adds it if original filename doesn't has one. Set
* this to 1 to prevent this behavior.
* This breaks ECMA-119 specification. Use with caution.
* @param no
* bit0= no forced dot with ECMA-119
* bit1= no forced dot with Joliet (@since 0.6.30)
*
* @since 0.6.2
*/

11
libisofs/util.c
View File

@ -908,7 +908,10 @@ ex:;
return retval;
}
uint16_t *iso_j_file_id(const uint16_t *src)
/*
bit0= no_force_dots
*/
uint16_t *iso_j_file_id(const uint16_t *src, int flag)
{
uint16_t *dot;
size_t lname, lext, lnname, lnext, pos, i;
@ -954,6 +957,10 @@ uint16_t *iso_j_file_id(const uint16_t *src)
pos++;
}
}
if ((flag & 1) && lnext <= 0)
goto is_done;
set_ucsbe(dest + pos, '.');
pos++;
@ -967,6 +974,8 @@ uint16_t *iso_j_file_id(const uint16_t *src)
pos++;
}
}
is_done:;
set_ucsbe(dest + pos, '\0');
return ucsdup(dest);
}

5
libisofs/util.h
View File

@ -151,11 +151,12 @@ char *iso_r_fileid(const char *src, size_t len, int relaxed, int forcedot);
* 2 bytes and the resulting string is NULL-terminated by a 2-byte NULL.
*
* Note that version number and (;1) is not appended.
*
* @param flag
* bit0= no_force_dots
* @return
* NULL if the original name and extension both are of length 0.
*/
uint16_t *iso_j_file_id(const uint16_t *src);
uint16_t *iso_j_file_id(const uint16_t *src, int flag);
/**
* Create a Joliet directory identifier that consists of name and optionally