libisoburn-0.2.2/libisoburn/isoburn.c File Reference

#include <sys/types.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <libburn/libburn.h>
#include <libisofs/libisofs.h>
#include "libisoburn.h"
#include "isoburn.h"

Include dependency graph for isoburn.c:

Go to the source code of this file.

Functions
int	isoburn_toc_entry_new (struct isoburn_toc_entry **objpt, struct isoburn_toc_entry *boss, int flag)
int	isoburn_toc_entry_destroy (struct isoburn_toc_entry **o, int flag)
int	isoburn_new (struct isoburn **objpt, int flag)
int	isoburn_destroy (struct isoburn **objpt, int flag)
int	isoburn_destroy_all (struct isoburn **objpt, int flag)
int	isoburn_get_target_image (struct isoburn *o, IsoImage **pt, int flag)
int	isoburn_get_prev (struct isoburn *o, struct isoburn **pt, int flag)
int	isoburn_get_next (struct isoburn *o, struct isoburn **pt, int flag)
int	isoburn_link (struct isoburn *o, struct isoburn *link, int flag)
int	isoburn_count (struct isoburn *o, int flag)
int	isoburn_by_idx (struct isoburn *o, int idx, struct isoburn **pt, int flag)
int	isoburn_find_by_drive (struct isoburn **pt, struct burn_drive *d, int flag)
int	isoburn_msgs_submit (struct isoburn *o, int error_code, char msg_text[], int os_errno, char severity[], int flag)
static int	isoburn_prepare_disc_aux (struct burn_drive *in_d, struct burn_drive *out_d, struct burn_disc **disc, struct isoburn_imgen_opts *opts, int flag)
int	isoburn_prepare_disc (struct burn_drive *d, struct burn_disc **disc, struct isoburn_imgen_opts *opts)
	To choose the expansion method of Growing: Create a disc object for writing the new session from the created or loaded iso_volset which has been manipulated via libisofs, to the same media from where the image was eventually loaded.
int	isoburn_prepare_new_image (struct burn_drive *d, struct burn_disc **disc, struct isoburn_imgen_opts *opts, struct burn_drive *out_drive)
	To choose the expansion method of Modifying: Create a disc object for producing a new image from a previous image plus the changes made by user.
int	isoburn_prepare_blind_grow (struct burn_drive *d, struct burn_disc **disc, struct isoburn_imgen_opts *opts, struct burn_drive *out_drive, int nwa)
	To choose the expansion method of Blind Growing: Create a disc object for writing an add-on session from the created or loaded IsoImage which has been manipulated via libisofs, to a different drive than the one from where it was loaded.
int	isoburn_cancel_prepared_write (struct burn_drive *d, struct burn_drive *output_drive, int flag)
	Revoke isoburn_prepare_new_image() or isoburn_prepare_disc() instead of running isoburn_disc_write().
int	isoburn_sync_after_write (struct burn_drive *d, struct burn_drive *output_drive, int flag)
	Wait after normal end of operations until libisofs ended all write threads and freed resource reservations.
void	isoburn_version (int *major, int *minor, int *micro)
	Obtain the three release version numbers of the library.
int	isoburn_is_compatible (int major, int minor, int micro, int flag)
	Check whether all features of header file libisoburn.h from the given major.minor.micro revision triple can be delivered by the library version which is performing this call.
int	isoburn_ropt_new (struct isoburn_read_opts **new_o, int flag)
	Produces a set of image read options, initialized with default values.
int	isoburn_ropt_destroy (struct isoburn_read_opts **o, int flag)
	Deletes an option set which was created by isoburn_ropt_new().
int	isoburn_ropt_set_extensions (struct isoburn_read_opts *o, int ext)
int	isoburn_ropt_get_extensions (struct isoburn_read_opts *o, int *ext)
int	isoburn_ropt_set_default_perms (struct isoburn_read_opts *o, uid_t uid, gid_t gid, mode_t mode)
	Default attributes to use if no RockRidge extension gets loaded.
int	isoburn_ropt_get_default_perms (struct isoburn_read_opts *o, uid_t *uid, gid_t *gid, mode_t *mode)
int	isoburn_ropt_set_default_dirperms (struct isoburn_read_opts *o, mode_t mode)
	Default attributes to use on directories if no RockRidge extension gets loaded.
int	isoburn_ropt_get_default_dirperms (struct isoburn_read_opts *o, mode_t *mode)
int	isoburn_ropt_set_input_charset (struct isoburn_read_opts *o, char *input_charset)
	Set the character set for reading RR file names from ISO images.
int	isoburn_igopt_get_in_charset (struct isoburn_read_opts *o, char **input_charset)
int	isoburn_ropt_get_size_what (struct isoburn_read_opts *o, uint32_t *size, int *has_what)
int	isoburn_igopt_new (struct isoburn_imgen_opts **new_o, int flag)
	Produces a set of generation and transfer options, initialized with default values.
int	isoburn_igopt_destroy (struct isoburn_imgen_opts **o, int flag)
	Deletes an option set which was created by isoburn_igopt_new().
int	isoburn_igopt_set_level (struct isoburn_imgen_opts *o, int level)
	ISO level to write at.
int	isoburn_igopt_get_level (struct isoburn_imgen_opts *o, int *level)
int	isoburn_igopt_set_extensions (struct isoburn_imgen_opts *o, int ext)
int	isoburn_igopt_get_extensions (struct isoburn_imgen_opts *o, int *ext)
int	isoburn_igopt_set_relaxed (struct isoburn_imgen_opts *o, int relax)
int	isoburn_igopt_get_relaxed (struct isoburn_imgen_opts *o, int *relax)
int	isoburn_igopt_set_sort_files (struct isoburn_imgen_opts *o, int value)
int	isoburn_igopt_get_sort_files (struct isoburn_imgen_opts *o, int *value)
int	isoburn_igopt_set_over_mode (struct isoburn_imgen_opts *o, int replace_dir_mode, int replace_file_mode, mode_t dir_mode, mode_t file_mode)
	Set the override values for files and directory permissions.
int	isoburn_igopt_get_over_mode (struct isoburn_imgen_opts *o, int *replace_dir_mode, int *replace_file_mode, mode_t *dir_mode, mode_t *file_mode)
int	isoburn_igopt_set_over_ugid (struct isoburn_imgen_opts *o, int replace_uid, int replace_gid, uid_t uid, gid_t gid)
	Set the override values values for group id and user id.
int	isoburn_igopt_get_over_ugid (struct isoburn_imgen_opts *o, int *replace_uid, int *replace_gid, uid_t *uid, gid_t *gid)
int	isoburn_igopt_set_out_charset (struct isoburn_imgen_opts *o, char *output_charset)
	Set the charcter set to use for representing filenames in the image.
int	isoburn_igopt_get_out_charset (struct isoburn_imgen_opts *o, char **output_charset)
int	isoburn_igopt_set_fifo_size (struct isoburn_imgen_opts *o, int fifo_size)
	The number of bytes to be used for the fifo which decouples libisofs and libburn for better throughput and for reducing the risk of interrupting signals hitting the libburn thread which operates the MMC drive.
int	isoburn_igopt_get_fifo_size (struct isoburn_imgen_opts *o, int *fifo_size)
int	isoburn_igopt_get_effective_lba (struct isoburn_imgen_opts *o, int *lba)
	Obtain after image preparation the block address where the session will start on media.
Variables
int(*	libisoburn_default_msgs_submit )(void *handle, int error_code, char msg_text[], int os_errno, char severity[], int flag) = NULL
void *	libisoburn_default_msgs_submit_handle = NULL
int	libisoburn_default_msgs_submit_flag = 0
struct isoburn *	isoburn_list_start = NULL

---

Function Documentation

int isoburn_by_idx	(	struct isoburn *	o,
		int	idx,
		struct isoburn **	pt,
		int	flag
	)

Definition at line 277 of file isoburn.c.

References isoburn::next, and isoburn::prev.

       : bit0= fetch first (idx<0) or last (idx>0) item in list
         bit1= address from start of list */
{
 int i,abs_idx;
 struct isoburn *npt;

 if(flag&2)
   for(;o->prev!=NULL;o= o->prev);
 abs_idx= (idx>0?idx:-idx);
 *pt= o;
 for(i= 0;(i<abs_idx || (flag&1)) && *pt!=NULL;i++) {
   if(idx>0)
     npt= o->next;
   else
     npt= o->prev;
   if(npt==NULL && (flag&1))
 break;
   *pt= npt;
 }
 return(*pt!=NULL);
}

int isoburn_cancel_prepared_write	(	struct burn_drive *	input_drive,
		struct burn_drive *	output_drive,
		int	flag
	)

Revoke isoburn_prepare_new_image() or isoburn_prepare_disc() instead of running isoburn_disc_write().

libisofs reserves resources and maybe already starts generating the image stream when one of above two calls is performed. It is mandatory to either run isoburn_disc_write() or to revoke the preparations by the call described here.

Since:

0.1.0

Parameters:

	input_drive	The drive resp. in_drive which was used with the preparation call.
	output_drive	The out_drive used with isoburn_prepare_new_image(), NULL if none.
	flag	Bitfield, submit 0 for now. bit0= -reserved for internal use-

Returns:

<0 error, 0= no pending preparations detectable, 1 = canceled

Definition at line 541 of file isoburn.c.

References isoburn::iso_source, and isoburn_find_emulator().

Referenced by isoburn_sync_after_write().

{
 int ret;
 struct isoburn *o= NULL;

 if(output_drive!=NULL) {
   ret= isoburn_find_emulator(&o, output_drive, 0);
   if(ret<0 || o==NULL)
     o= NULL;
   else if(o->iso_source==NULL)
     o= NULL;
 }
 if(o==NULL) {
   ret= isoburn_find_emulator(&o, d, 0);
   if(ret<0)
     return(-1);
   if(o==NULL)
     return(0);
   if(o->iso_source==NULL)
     return(0);
 }
 if(o->iso_source->read!=NULL)
   return(0);
 if(o->iso_source->version<1)
   return(0);
 o->iso_source->cancel(o->iso_source);
 burn_source_free(o->iso_source);
 o->iso_source= NULL;
 return(1);
}

int isoburn_count	(	struct isoburn *	o,
		int	flag
	)

Definition at line 264 of file isoburn.c.

References isoburn::next, and isoburn::prev.

       : bit1= count from start of list */
{
 int counter= 0;

 if(flag&2)
   for(;o->prev!=NULL;o= o->prev);
 for(;o!=NULL;o= o->next)
   counter++;
 return(counter);
}

int isoburn_destroy	(	struct isoburn **	objpt,
		int	flag
	)

Definition at line 155 of file isoburn.c.

References isoburn::image, isoburn::iso_data_source, isoburn::iso_source, isoburn_toc_entry_destroy(), isoburn::next, isoburn::prev, and isoburn::toc.

Referenced by isoburn_destroy_all(), isoburn_drive_aquire(), isoburn_drive_grab(), isoburn_drive_release(), and isoburn_new().

{
 struct isoburn *o;

 o= *objpt;
 if(o==NULL)
   return(0);

 /* >>> mutex */

 if(o==isoburn_list_start)
   isoburn_list_start= o->next;
 if(o->prev!=NULL)
   o->prev->next= o->next;
 if(o->next!=NULL)
   o->next->prev= o->prev;

 /* >>> end mutex */

 if(o->image!=NULL)
   iso_image_unref(o->image);
 if(o->toc!=NULL)
   isoburn_toc_entry_destroy(&(o->toc), 1); /* all */
 if(o->iso_source!=NULL)
   burn_source_free(o->iso_source);
 if(o->iso_data_source!=NULL)
   iso_data_source_unref(o->iso_data_source);
 free((char *) o);
 *objpt= NULL;
 return(1);
}

int isoburn_destroy_all	(	struct isoburn **	objpt,
		int	flag
	)

Definition at line 188 of file isoburn.c.

References isoburn_destroy(), isoburn::next, and isoburn::prev.

Referenced by isoburn_finish(), and isoburn_initialize().

{
 struct isoburn *o,*n;

 o= *objpt;
 if(o==NULL)
   return(0);
 for(;o->prev!=NULL;o= o->prev);
 for(;o!=NULL;o= n) {
   n= o->next;
   isoburn_destroy(&o,0);
 }
 *objpt= NULL;
 return(1);
}

int isoburn_find_by_drive	(	struct isoburn **	pt,
		struct burn_drive *	d,
		int	flag
	)

Definition at line 301 of file isoburn.c.

References isoburn::drive, and isoburn::next.

Referenced by isoburn_find_emulator().

{
 struct isoburn *o;

 *pt= NULL;
 for(o= isoburn_list_start;o!=NULL;o= o->next)
   if(o->drive==d) {
     *pt= o;
     return(1);
   }
 return(0);
}

int isoburn_get_next	(	struct isoburn *	o,
		struct isoburn **	pt,
		int	flag
	)

Definition at line 219 of file isoburn.c.

References isoburn::next.

{
 *pt= o->next;
 return(1);
}

int isoburn_get_prev	(	struct isoburn *	o,
		struct isoburn **	pt,
		int	flag
	)

Definition at line 212 of file isoburn.c.

References isoburn::prev.

{
 *pt= o->prev;
 return(1);
}

int isoburn_get_target_image	(	struct isoburn *	o,
		IsoImage **	pt,
		int	flag
	)

Definition at line 205 of file isoburn.c.

References isoburn::image.

{
 *pt= o->image;
 return(1);
}

int isoburn_igopt_destroy	(	struct isoburn_imgen_opts **	o,
		int	flag
	)

Deletes an option set which was created by isoburn_igopt_new().

Since:

0.1.0

Parameters:

	o	The option set to give up
	flag	Bitfield for control purposes. Submit 0 for now.

Returns:

1= **o destroyed , 0= *o was already NULL (harmless)

Definition at line 792 of file isoburn.c.

{
 if(*o==NULL)
   return(0);
 free(*o);
 *o= NULL;
 return(1);
}

int isoburn_igopt_get_effective_lba	(	struct isoburn_imgen_opts *	o,
		int *	lba
	)

Obtain after image preparation the block address where the session will start on media.

This value cannot be set by the application but only be inquired.

Since:

0.1.4

Parameters:

	o	The option set to work on
	lba	The block number of the session start on media. <0 means that no address has been determined yet.

Returns:

1 success, <=0 failure

Definition at line 947 of file isoburn.c.

References isoburn_imgen_opts::effective_lba.

{
 *lba= o->effective_lba;
 return(1);
}

int isoburn_igopt_get_extensions	(	struct isoburn_imgen_opts *	o,
		int *	ext
	)

Definition at line 825 of file isoburn.c.

References isoburn_imgen_opts::iso1999, isoburn_imgen_opts::joliet, and isoburn_imgen_opts::rockridge.

{
 *ext= (!!o->rockridge) | ((!!o->joliet)<<1) | ((!!o->iso1999)<<2);
 return(1);
}

int isoburn_igopt_get_fifo_size	(	struct isoburn_imgen_opts *	o,
		int *	fifo_size
	)

Definition at line 940 of file isoburn.c.

References isoburn_imgen_opts::fifo_size.

{
 *fifo_size= o->fifo_size;
 return(1);
}

int isoburn_igopt_get_in_charset	(	struct isoburn_read_opts *	o,
		char **	input_charset
	)

Definition at line 728 of file isoburn.c.

References isoburn_read_opts::input_charset.

{
 *input_charset= o->input_charset;
 return(1);
}

int isoburn_igopt_get_level	(	struct isoburn_imgen_opts *	o,
		int *	level
	)

Definition at line 809 of file isoburn.c.

References isoburn_imgen_opts::level.

{
 *level= o->level;
 return(1);
}

int isoburn_igopt_get_out_charset	(	struct isoburn_imgen_opts *	o,
		char **	output_charset
	)

Definition at line 925 of file isoburn.c.

References isoburn_imgen_opts::output_charset.

{
 *output_charset= o->output_charset;
 return(1);
}

int isoburn_igopt_get_over_mode	(	struct isoburn_imgen_opts *	o,
		int *	replace_dir_mode,
		int *	replace_file_mode,
		mode_t *	dir_mode,
		mode_t *	file_mode
	)

Definition at line 882 of file isoburn.c.

References isoburn_imgen_opts::dir_mode, isoburn_imgen_opts::file_mode, isoburn_imgen_opts::replace_dir_mode, and isoburn_imgen_opts::replace_file_mode.

{
 *replace_dir_mode= o->replace_dir_mode%3;
 *replace_file_mode= o->replace_file_mode%3;
 *dir_mode= o->dir_mode;
 *file_mode= o->file_mode;
 return(1);
}

int isoburn_igopt_get_over_ugid	(	struct isoburn_imgen_opts *	o,
		int *	replace_uid,
		int *	replace_gid,
		uid_t *	uid,
		gid_t *	gid
	)

Definition at line 905 of file isoburn.c.

References isoburn_imgen_opts::gid, isoburn_imgen_opts::replace_gid, isoburn_imgen_opts::replace_uid, and isoburn_imgen_opts::uid.

{
 *replace_uid= o->replace_uid%3;
 *replace_gid= o->replace_gid%3;
 *uid= o->uid;
 *gid= o->gid;
 return(1);
}

int isoburn_igopt_get_relaxed	(	struct isoburn_imgen_opts *	o,
		int *	relax
	)

Definition at line 846 of file isoburn.c.

References isoburn_imgen_opts::allow_deep_paths, isoburn_imgen_opts::allow_full_ascii, isoburn_imgen_opts::allow_longer_paths, isoburn_imgen_opts::allow_lowercase, isoburn_imgen_opts::joliet_longer_paths, isoburn_imgen_opts::max_37_char_filenames, isoburn_imgen_opts::no_force_dots, and isoburn_imgen_opts::omit_version_numbers.

{
 *relax= (!!o->omit_version_numbers)    | ((!!o->allow_deep_paths)<<1) |
         ((!!o->allow_longer_paths)<<2) | ((!!o->max_37_char_filenames)<<3) |
         ((!!o->no_force_dots)<<4)      | ((!!o->allow_lowercase)<<5) |
         ((!!o->allow_full_ascii)<<6)   | ((!!o->joliet_longer_paths)<<7);
 return(1);
}

int isoburn_igopt_get_sort_files	(	struct isoburn_imgen_opts *	o,
		int *	value
	)

Definition at line 863 of file isoburn.c.

References isoburn_imgen_opts::sort_files.

{
 *value= !!o->sort_files;
 return(1);
}

int isoburn_igopt_new	(	struct isoburn_imgen_opts **	o,
		int	flag
	)

Produces a set of generation and transfer options, initialized with default values.

Since:

0.1.0

Parameters:

	o	the newly created option set object
	flag	Bitfield for control purposes. Submit 0 for now.

Returns:

1=ok , <0 = failure

Definition at line 753 of file isoburn.c.

References isoburn_imgen_opts::allow_deep_paths, isoburn_imgen_opts::allow_full_ascii, isoburn_imgen_opts::allow_longer_paths, isoburn_imgen_opts::allow_lowercase, isoburn_imgen_opts::dir_mode, isoburn_imgen_opts::effective_lba, isoburn_imgen_opts::fifo_size, isoburn_imgen_opts::file_mode, isoburn_imgen_opts::gid, isoburn_imgen_opts::iso1999, isoburn_msgs_submit(), isoburn_imgen_opts::joliet, isoburn_imgen_opts::joliet_longer_paths, isoburn_imgen_opts::level, isoburn_imgen_opts::max_37_char_filenames, isoburn_imgen_opts::no_force_dots, isoburn_imgen_opts::omit_version_numbers, isoburn_imgen_opts::output_charset, isoburn_imgen_opts::replace_dir_mode, isoburn_imgen_opts::replace_file_mode, isoburn_imgen_opts::replace_gid, isoburn_imgen_opts::replace_uid, isoburn_imgen_opts::rockridge, isoburn_imgen_opts::sort_files, and isoburn_imgen_opts::uid.

{
 struct isoburn_imgen_opts *o;

 o= (*new_o)= calloc(1, sizeof(struct isoburn_imgen_opts));
 if(o==NULL) {
   isoburn_msgs_submit(NULL, 0x00060000,
                       "Cannot allocate memory for image generation options",
                       0, "FATAL", 0);
   return(-1);
 }
 o->level= 2;
 o->rockridge= 1;
 o->joliet= 0;
 o->iso1999= 0;
 o->omit_version_numbers= 0;
 o->allow_deep_paths= 1;
 o->allow_longer_paths= 0;
 o->max_37_char_filenames= 0;
 o->no_force_dots= 0;
 o->allow_lowercase= 0;
 o->allow_full_ascii= 0;
 o->joliet_longer_paths= 0;
 o->sort_files= 0;
 o->replace_dir_mode= 0;
 o->replace_file_mode= 0;
 o->replace_uid= 0;
 o->replace_gid= 0;
 o->dir_mode= 0555;
 o->file_mode= 0444;
 o->uid= 0;
 o->gid= 0;
 o->output_charset= 0;
 o->fifo_size= 4*1024*1024;
 o->effective_lba= -1;
 return(1);
}

int isoburn_igopt_set_extensions	(	struct isoburn_imgen_opts *	o,
		int	ext
	)

Definition at line 816 of file isoburn.c.

References isoburn_imgen_opts::iso1999, isoburn_imgen_opts::joliet, and isoburn_imgen_opts::rockridge.

{
 o->rockridge= !!(ext&1);
 o->joliet= !!(ext&2);
 o->iso1999= !!(ext&4);
 return(1);
}

int isoburn_igopt_set_fifo_size	(	struct isoburn_imgen_opts *	o,
		int	fifo_size
	)

The number of bytes to be used for the fifo which decouples libisofs and libburn for better throughput and for reducing the risk of interrupting signals hitting the libburn thread which operates the MMC drive.

The size will be rounded up to the next full 2048. Minimum is 64kiB, maximum is 1 GiB (but that is too much anyway).

Since:

0.1.0

Parameters:

	o	The option set to work on
	fifo_size	Number of bytes to use

Returns:

1 success, <=0 failure

Definition at line 933 of file isoburn.c.

References isoburn_imgen_opts::fifo_size.

{
 o->fifo_size= fifo_size;
 return(1);
}

int isoburn_igopt_set_level	(	struct isoburn_imgen_opts *	o,
		int	level
	)

ISO level to write at.

Since:

0.1.0

Parameters:

	o	The option set to work on
	level	is a term of the ISO 9660 standard. It should be one of: 1= filenames restricted to form 8.3 2= filenames allowed up to 31 characters

Returns:

1 success, <=0 failure

Definition at line 802 of file isoburn.c.

References isoburn_imgen_opts::level.

{
 o->level= level;
 return(1);
}

int isoburn_igopt_set_out_charset	(	struct isoburn_imgen_opts *	o,
		char *	output_charset
	)

Set the charcter set to use for representing filenames in the image.

Since:

0.1.0

Parameters:

	o	The option set to work on
	output_charset	Set this to NULL to use the default output charset. For selecting a particular character set, submit its name, e.g. as listed by program iconv -l. Example: "UTF-8".

Returns:

1 success, <=0 failure

Definition at line 917 of file isoburn.c.

References isoburn_imgen_opts::output_charset.

{
 o->output_charset= output_charset;
 return(1);
}

int isoburn_igopt_set_over_mode	(	struct isoburn_imgen_opts *	o,
		int	replace_dir_mode,
		int	replace_file_mode,
		mode_t	dir_mode,
		mode_t	file_mode
	)

Set the override values for files and directory permissions.

The parameters replace_* these take one of three values: 0, 1 or 2. If 0, the corresponding attribute will be kept as set in the IsoNode at the time of image generation. If set to 1, the corresponding attrib. will be changed by a default suitable value. With value 2, the attrib. will be changed with the value specified in the corresponding *_mode options. Note that only the permissions are set, the file type remains unchanged.

Since:

0.1.0

Parameters:

	o	The option set to work on
	replace_dir_mode	whether and how to override directories
	replace_file_mode	whether and how to override files of other type
	dir_mode	Mode to use on dirs with replace_dir_mode == 2.
	file_mode;	Mode to use on files with replace_file_mode == 2.

Returns:

1 success, <=0 failure

Definition at line 870 of file isoburn.c.

References isoburn_imgen_opts::dir_mode, isoburn_imgen_opts::file_mode, isoburn_imgen_opts::replace_dir_mode, and isoburn_imgen_opts::replace_file_mode.

{
 o->replace_dir_mode= replace_dir_mode%3;
 o->replace_file_mode= replace_file_mode%3;
 o->dir_mode= dir_mode;
 o->file_mode= file_mode;
 return(1);
}

int isoburn_igopt_set_over_ugid	(	struct isoburn_imgen_opts *	o,
		int	replace_uid,
		int	replace_gid,
		uid_t	uid,
		gid_t	gid
	)

Set the override values values for group id and user id.

The rules are like with above overriding of mode values. replace_* controls whether and how. The other two parameters provide values for eventual use.

Since:

0.1.0

Parameters:

	o	The option set to work on
	replace_uid	whether and how to override user ids
	replace_gid	whether and how to override group ids
	uid	User id to use with replace_uid == 2.
	gid	Group id to use on files with replace_gid == 2.

Returns:

1 success, <=0 failure

Definition at line 894 of file isoburn.c.

References isoburn_imgen_opts::gid, isoburn_imgen_opts::replace_gid, isoburn_imgen_opts::replace_uid, and isoburn_imgen_opts::uid.

{
 o->replace_uid= replace_uid%3;
 o->replace_gid= replace_gid%3;
 o->uid= uid;
 o->gid= gid;
 return(1);
}

int isoburn_igopt_set_relaxed	(	struct isoburn_imgen_opts *	o,
		int	relax
	)

Definition at line 832 of file isoburn.c.

References isoburn_imgen_opts::allow_deep_paths, isoburn_imgen_opts::allow_full_ascii, isoburn_imgen_opts::allow_longer_paths, isoburn_imgen_opts::allow_lowercase, isoburn_imgen_opts::joliet_longer_paths, isoburn_imgen_opts::max_37_char_filenames, isoburn_imgen_opts::no_force_dots, and isoburn_imgen_opts::omit_version_numbers.

{
 o->omit_version_numbers= !!(relax&1);
 o->allow_deep_paths= !!(relax&2);
 o->allow_longer_paths= !!(relax&4);
 o->max_37_char_filenames= !!(relax&8);
 o->no_force_dots= !!(relax&16);
 o->allow_lowercase= !!(relax&32);
 o->allow_full_ascii= !!(relax&64);
 o->joliet_longer_paths= !!(relax&128);
 return(1);
}

int isoburn_igopt_set_sort_files	(	struct isoburn_imgen_opts *	o,
		int	value
	)

Definition at line 856 of file isoburn.c.

References isoburn_imgen_opts::sort_files.

{
 o->sort_files= !!(value&1);
 return(1);
}

int isoburn_is_compatible	(	int	major,
		int	minor,
		int	micro,
		int	flag
	)

Check whether all features of header file libisoburn.h from the given major.minor.micro revision triple can be delivered by the library version which is performing this call.

An application of libisoburn can easily memorize the version of the libisofs.h header in its own code. Immediately after isoburn_initialize() it should simply do this check: if (! isoburn_is_compatible(isoburn_header_version_major, isoburn_header_version_minor, isoburn_header_version_micro, 0)) ...refuse to start the program with this dynamic library version...

Since:

0.1.0

Parameters:

	major	obtained at build time
	minor	obtained at build time
	micro	obtained at build time
	flag	Bitfield for control purposes. Unused yet. Submit 0.

Returns:

1= library can work for caller 0= library is not usable in some aspects. Caller must restrict itself to an earlier API version or must not use this libray at all.

Definition at line 598 of file isoburn.c.

References isoburn_version().

{
 int own_major, own_minor, own_micro;

 isoburn_version(&own_major, &own_minor, &own_micro);
 return(own_major > major ||
        (own_major == major && (own_minor > minor ||
         (own_minor == minor && own_micro >= micro))));
}

int isoburn_link	(	struct isoburn *	o,
		struct isoburn *	link,
		int	flag
	)

Definition at line 226 of file isoburn.c.

References isoburn::next, and isoburn::prev.

Referenced by isoburn_new().

{

 /* >>> mutex */

 if(isoburn_list_start==NULL ||
    (isoburn_list_start==link && (flag&1)))
   isoburn_list_start= o;
 if(o->prev!=NULL)
   o->prev->next= o->next;
 if(o->next!=NULL)
   o->next->prev= o->prev;
 o->prev= o->next= NULL;
 if(link==NULL)
   return(1);
 if(flag&1) {
   o->next= link;
   o->prev= link->prev;
   if(o->prev!=NULL)
     o->prev->next= o;
   link->prev= o;
 } else {
   o->prev= link;
   o->next= link->next;
   if(o->next!=NULL)
     o->next->prev= o;
   link->next= o;
 }

 /* >>> end mutex */

 return(1);
}

int isoburn_msgs_submit	(	struct isoburn *	o,
		int	error_code,
		char	msg_text[],
		int	os_errno,
		char	severity[],
		int	flag
	)

Definition at line 315 of file isoburn.c.

References libisoburn_default_msgs_submit, libisoburn_default_msgs_submit_flag, libisoburn_default_msgs_submit_handle, isoburn::msgs_submit, isoburn::msgs_submit_flag, and isoburn::msgs_submit_handle.

Referenced by ds_read_block(), isoburn_attach_image(), isoburn_disc_get_msc1(), isoburn_disc_write(), isoburn_drive_aquire(), isoburn_emulate_toc(), isoburn_find_emulator(), isoburn_igopt_new(), isoburn_new(), isoburn_prepare_disc_aux(), isoburn_read_image(), isoburn_read_iso_head_parse(), isoburn_ropt_new(), isoburn_set_msc1(), isoburn_set_start_byte(), isoburn_start_emulation(), and isoburn_toc_entry_new().

{
 int ret, use_drive_method= 0;

 if(o!=NULL)
   if(o->msgs_submit!=NULL)
     use_drive_method= 1;
 if(use_drive_method) {
   ret= o->msgs_submit(o->msgs_submit_handle, error_code, msg_text, os_errno,
                       severity, o->msgs_submit_flag);
   return(ret);
 }
 if(libisoburn_default_msgs_submit != NULL) {
   ret= libisoburn_default_msgs_submit(libisoburn_default_msgs_submit_handle,
                                     error_code, msg_text, os_errno, severity,
                                     libisoburn_default_msgs_submit_flag);
   return(ret);
 }
 /* Fallback: use message queue of libburn */
 burn_msgs_submit(error_code, msg_text, os_errno, severity, NULL);
 return(1);
}

int isoburn_new	(	struct isoburn **	objpt,
		int	flag
	)

Definition at line 106 of file isoburn.c.

References isoburn::drive, isoburn::emulation_mode, isoburn::fabricated_disc_status, isoburn::fabricated_msc1, isoburn::fabricated_msc2, isoburn::image, isoburn::iso_data_source, isoburn::iso_source, isoburn_destroy(), isoburn_link(), isoburn_msgs_submit(), isoburn_report_iso_error(), Libisoburn_overwriteable_starT, Libisoburn_target_head_sizE, isoburn::min_start_byte, isoburn::msgs_submit, isoburn::msgs_submit_flag, isoburn::msgs_submit_handle, isoburn::next, isoburn::nwa, isoburn::prev, isoburn::read_pacifier, isoburn::read_pacifier_handle, isoburn::target_iso_head, isoburn::toc, isoburn::truncate, isoburn::wrote_well, and isoburn::zero_nwa.

Referenced by isoburn_welcome_media().

{
 struct isoburn *o;
 int i, ret;

 *objpt= o= (struct isoburn *) malloc(sizeof(struct isoburn));
 if(o==NULL) {
   isoburn_msgs_submit(NULL, 0x00060000,
                       "Cannot allocate memory for isoburn control object",
                       0, "FATAL", 0);
   return(-1);
 }

 o->drive= NULL;
 o->emulation_mode= 0;
 o->fabricated_msc1= -1;
 o->fabricated_msc2= -1;
 o->zero_nwa= Libisoburn_overwriteable_starT;
 o->min_start_byte= o->zero_nwa * 2048;
 o->nwa= o->zero_nwa;
 o->truncate= 0;
 o->iso_source= NULL;
 o->fabricated_disc_status= BURN_DISC_UNREADY;
 o->toc= NULL;
 o->wrote_well= -1;
 for(i=0;i<Libisoburn_target_head_sizE;i++)
   o->target_iso_head[i]= 0;
 o->image= NULL;
 o->iso_data_source= NULL;
 o->read_pacifier= NULL;
 o->read_pacifier_handle= NULL;
 o->msgs_submit= NULL;
 o->msgs_submit_handle= NULL;
 o->msgs_submit_flag= 0;
 o->prev= NULL;
 o->next= NULL;
 ret= iso_image_new("ISOIMAGE", &o->image);
 if(ret<0) {
   isoburn_report_iso_error(ret, "Cannot create image", 0, "FATAL", 0);
   goto failed;
 }
 isoburn_link(o, isoburn_list_start, 1);
 return(1);
failed:;
 isoburn_destroy(objpt, 0);
 return(-1);
}

int isoburn_prepare_blind_grow	(	struct burn_drive *	d,
		struct burn_disc **	disc,
		struct isoburn_imgen_opts *	opts,
		struct burn_drive *	out_drive,
		int	nwa
	)

To choose the expansion method of Blind Growing: Create a disc object for writing an add-on session from the created or loaded IsoImage which has been manipulated via libisofs, to a different drive than the one from where it was loaded.

Usually output will be stdio:/dev/fd/1 (i.e. stdout) being piped into some burn program like with this classic gesture: mkisofs -M $dev -C $msc1,$nwa | cdrecord -waiti dev=$dev Parameter translation into libisoburn: $dev is the address by which parameter in_drive of this call was aquired $msc1 was set by isoburn_set_msc1() before image reading or was detected from the in_drive media $nwa is a parameter of this call or can be used as detected from the in_drive media

This call waits for libisofs output to become available and then detaches the input drive object from the data source object by which libisofs was reading from the input drive. So, as far as libisofs is concerned, that drive may be released immediately after this call in order to allow the consumer to access the drive for writing. The consumer should wait for input to become available and only then open its burn drive. With cdrecord this is caused by option -waiti.

The resulting burn_disc object has to be disposed when all its writing is done and the drive is BURN_DRIVE_IDLE again after asynchronous burn_disc_write().

Since:

0.2.2

Parameters:

	in_drive	The input drive,grabbed with isoburn_drive_scan_and_grab().
	disc	Returns the newly created burn_disc object.
	opts	Options for image generation and data transport to media.
	out_drive	The output drive, from isoburn_drive_aquire() et.al.. typically stdio:/dev/fd/1 .
	nwa	The address (2048 byte block count) where the add-on session will be finally stored on a mountable media or in a mountable file. If nwa is -1 then the address is used as determined from the in_drive media.

Returns:

<=0 error , 1 = success

Definition at line 514 of file isoburn.c.

References isoburn::fabricated_msc2, isoburn_find_emulator(), isoburn_prepare_disc_aux(), isoburn::nwa, and isoburn::zero_nwa.

{  
 int ret;
 struct isoburn *o= NULL;

 ret= isoburn_find_emulator(&o, out_drive, 0);
 if(ret<0 || o==NULL)
   return(-1);
 if(nwa >= 0)
   o->fabricated_msc2= nwa;
 if(o->nwa == o->zero_nwa)
   o->nwa= o->zero_nwa= 0;
 else
   o->zero_nwa= 0;
 ret= isoburn_prepare_disc_aux(d, out_drive, disc, opts, 2);
 if (ret<=0)
   return ret;
 return(1);
}

int isoburn_prepare_disc	(	struct burn_drive *	drive,
		struct burn_disc **	disc,
		struct isoburn_imgen_opts *	opts
	)

To choose the expansion method of Growing: Create a disc object for writing the new session from the created or loaded iso_volset which has been manipulated via libisofs, to the same media from where the image was eventually loaded.

This struct burn_disc is ready for use by a subsequent call to isoburn_disc_write(). After this asynchronous writing has ended and the drive is BURN_DRIVE_IDLE again, the burn_disc object has to be disposed by burn_disc_free().

Since:

0.1.0

Parameters:

	drive	The combined source and target drive, grabbed with isoburn_drive_scan_and_grab(). .
	disc	Returns the newly created burn_disc object.
	opts	Image generation options, see isoburn_igopt_*()

Returns:

<=0 error , 1 = success

Definition at line 493 of file isoburn.c.

References isoburn_prepare_disc_aux().

{
 return isoburn_prepare_disc_aux(d, d, disc, opts, 0);
}

static int isoburn_prepare_disc_aux	(	struct burn_drive *	in_d,
		struct burn_drive *	out_d,
		struct burn_disc **	disc,
		struct isoburn_imgen_opts *	opts,
		int	flag
	)			[static]

Definition at line 345 of file isoburn.c.

References isoburn_imgen_opts::allow_deep_paths, isoburn_imgen_opts::allow_full_ascii, isoburn_imgen_opts::allow_longer_paths, isoburn_imgen_opts::allow_lowercase, isoburn_imgen_opts::dir_mode, isoburn_imgen_opts::effective_lba, isoburn_imgen_opts::fifo_size, isoburn_imgen_opts::file_mode, isoburn_imgen_opts::gid, isoburn::image, isoburn_imgen_opts::iso1999, isoburn::iso_data_source, isoburn::iso_source, isoburn_data_source_shutdown(), isoburn_disc_get_status(), isoburn_disc_track_lba_nwa(), isoburn_find_emulator(), isoburn_get_msc2(), isoburn_msgs_submit(), isoburn_report_iso_error(), isoburn_imgen_opts::joliet, isoburn_imgen_opts::joliet_longer_paths, isoburn_imgen_opts::level, isoburn_imgen_opts::max_37_char_filenames, isoburn_imgen_opts::no_force_dots, isoburn::nwa, isoburn_imgen_opts::omit_version_numbers, isoburn_imgen_opts::output_charset, isoburn_imgen_opts::replace_dir_mode, isoburn_imgen_opts::replace_file_mode, isoburn_imgen_opts::replace_gid, isoburn_imgen_opts::replace_uid, isoburn_imgen_opts::rockridge, isoburn_imgen_opts::sort_files, isoburn::target_iso_head, isoburn_imgen_opts::uid, and isoburn::wrote_well.

Referenced by isoburn_prepare_blind_grow(), isoburn_prepare_disc(), and isoburn_prepare_new_image().

{
 struct burn_source *wsrc;
 struct burn_session *session;
 struct burn_track *track;
 struct isoburn *in_o, *out_o;
 IsoWriteOpts *wopts= NULL;
 enum burn_disc_status state;
 int ret, fifo_chunks, lba, nwa, i, new_img, early_indev_release;
 size_t buffer_size= 0, buffer_free= 0;
 char msg[160];

 new_img= flag&1;
 early_indev_release= flag&2;
 if(new_img && early_indev_release) {
   isoburn_msgs_submit(in_o, 0x00060000,
      "Programming error: Wrong session setup: new_img && early_indev_release",
                       0, "FATAL", 0);
   {ret= -4; goto ex;}
 }

 ret= isoburn_find_emulator(&in_o, in_d, 0);
 if(ret<0 || in_o==NULL)
   {ret= -1; goto ex;}
 ret= isoburn_find_emulator(&out_o, out_d, 0);
 if(ret<0 || out_o==NULL)
   {ret= -1; goto ex;}
 /* early end will be registered as failure */
 in_o->wrote_well= out_o->wrote_well= 0;

 state = isoburn_disc_get_status(in_d);
 if (state != BURN_DISC_BLANK && state != BURN_DISC_APPENDABLE &&
     state != BURN_DISC_FULL) {
   isoburn_msgs_submit(in_o, 0x00060000, "Unsuitable source media state",
                    0, "FAILURE", 0);
   {ret= -2; goto ex;}
 }
 state = isoburn_disc_get_status(out_d);
 if (state != BURN_DISC_BLANK && state != BURN_DISC_APPENDABLE) {
   isoburn_msgs_submit(out_o, 0x00060000, "Unsuitable target media state",
                    0, "FAILURE", 0);
   {ret= -2; goto ex;}
 }
 
 fifo_chunks= 32;
 if(opts->fifo_size >= 64*1024 && opts->fifo_size <= 1024.0 * 1024.0 * 1024.0){
   fifo_chunks= opts->fifo_size/2048;
   if(fifo_chunks*2048 < opts->fifo_size)
     fifo_chunks++;
 }

 ret = iso_write_opts_new(&wopts, 0);
 if (ret < 0) {
   isoburn_report_iso_error(ret, "Cannot create iso_write_opts", 0, "FATAL",0);
   goto ex;
 }
 iso_write_opts_set_iso_level(wopts, opts->level);
 iso_write_opts_set_rockridge(wopts, opts->rockridge);
 iso_write_opts_set_joliet(wopts, opts->joliet);
 iso_write_opts_set_iso1999(wopts, opts->iso1999);
 iso_write_opts_set_omit_version_numbers(wopts, opts->omit_version_numbers);
 iso_write_opts_set_allow_deep_paths(wopts, opts->allow_deep_paths);
 iso_write_opts_set_allow_longer_paths(wopts, opts->allow_longer_paths);
 iso_write_opts_set_max_37_char_filenames(wopts, opts->max_37_char_filenames);
 iso_write_opts_set_no_force_dots(wopts, opts->no_force_dots);
 iso_write_opts_set_allow_lowercase(wopts, opts->allow_lowercase);
 iso_write_opts_set_allow_full_ascii(wopts, opts->allow_full_ascii);
 iso_write_opts_set_relaxed_vol_atts(wopts, 1);
 iso_write_opts_set_joliet_longer_paths(wopts, opts->joliet_longer_paths);
 iso_write_opts_set_sort_files(wopts, opts->sort_files);
 iso_write_opts_set_replace_mode(wopts, opts->replace_dir_mode,
                opts->replace_file_mode, opts->replace_uid, opts->replace_gid);
 iso_write_opts_set_default_dir_mode(wopts, opts->dir_mode);
 iso_write_opts_set_default_file_mode(wopts, opts->file_mode);
 iso_write_opts_set_default_uid(wopts, opts->uid);
 iso_write_opts_set_default_gid(wopts, opts->gid);
 iso_write_opts_set_output_charset(wopts, opts->output_charset);
 iso_write_opts_set_fifo_size(wopts, fifo_chunks);

 ret = isoburn_disc_track_lba_nwa(out_d, NULL, 0, &lba, &nwa);
 opts->effective_lba= nwa;
 ret= isoburn_get_msc2(out_o, NULL, &nwa, 0);
 if (ret != 1) {
   isoburn_msgs_submit(out_o, 0x00060000,
                   "Cannot determine next writeable address", 0, "FAILURE", 0);
   {ret= -3; goto ex;}
 }
 iso_write_opts_set_ms_block(wopts, nwa);
 iso_write_opts_set_appendable(wopts, !new_img);
 iso_write_opts_set_overwrite_buf(wopts,
                                  nwa>0 ? out_o->target_iso_head : NULL);

 ret = iso_image_create_burn_source(in_o->image, wopts, &wsrc);
 if (ret < 0) {
   isoburn_report_iso_error(ret, "Cannot create burn source", 0, "FAILURE", 0);
   {ret= -1; goto ex;}
 }
 if (early_indev_release) {
   for(i= 0; i<300; i++) {

     /* <<< ??? */
     if((i%30) == 0) {
       sprintf(msg, "Waiting for data in fifo since %d seconds", i/30);
       isoburn_msgs_submit(in_o, 0x00060000, msg, 0, "DEBUG", 0);
     }

     usleep(100000);
     ret= iso_ring_buffer_get_status(wsrc, &buffer_size, &buffer_free);
     if(ret >0 && buffer_size != buffer_free)
   break;
   }

   /* <<< ??? */
   sprintf(msg,
           "After %.1f seconds: %d bytes of output available (fifo state=%d)",
           ((double) i+1) / 10.0, (int) (buffer_size - buffer_free), ret);
   isoburn_msgs_submit(in_o, 0x00060000, msg, 0, "DEBUG", 0);

   if(in_o->iso_data_source!=NULL)
     isoburn_data_source_shutdown(in_o->iso_data_source, 0);
 }
 
 /* TODO check return values for failure. propertly clean-up on error */

 out_o->iso_source= wsrc;

 *disc = burn_disc_create();
 session = burn_session_create();
 burn_disc_add_session(*disc, session, BURN_POS_END);
 track = burn_track_create();
 burn_track_set_source(track, out_o->iso_source);
 burn_session_add_track(session, track, BURN_POS_END);

 /* give up local references */
 burn_track_free(track);
 burn_session_free(session);

 in_o->wrote_well= out_o->wrote_well= -1; /* neutral */
 ret= 1;
ex:
 if(wopts!=NULL)
   {iso_write_opts_free(wopts); wopts= NULL;}
 return ret;
}

int isoburn_prepare_new_image	(	struct burn_drive *	in_drive,
		struct burn_disc **	disc,
		struct isoburn_imgen_opts *	opts,
		struct burn_drive *	out_drive
	)

To choose the expansion method of Modifying: Create a disc object for producing a new image from a previous image plus the changes made by user.

The generated burn_disc is suitable to be written to a grabbed drive with blank writeable media. But you must not use the same drive for input and output, because data will be read from the source drive while at the same time the target drive is already writing. The resulting burn_disc object has to be disposed when all its writing is done and the drive is BURN_DRIVE_IDLE again after asynchronous burn_disc_write().

Since:

0.1.0

Parameters:

	in_drive	The input drive, grabbed with isoburn_drive_aquire() or one of its alternatives.
	disc	Returns the newly created burn_disc object.
	opts	Options for image generation and data transport to media.
	out_drive	The output drive, from isoburn_drive_aquire() et.al..

Returns:

<=0 error , 1 = success

Definition at line 500 of file isoburn.c.

References isoburn_prepare_disc_aux().

{
 int ret;

 ret= isoburn_prepare_disc_aux(d, out_drive, disc, opts, 1);
 if (ret<=0)
   return ret;
 return 1; 
}

int isoburn_ropt_destroy	(	struct isoburn_read_opts **	o,
		int	flag
	)

Deletes an option set which was created by isoburn_ropt_new().

Since:

0.1.0

Parameters:

	o	The option set to work on
	flag	Bitfield for control purposes. Submit 0 for now.

Returns:

1= **o destroyed , 0= *o was already NULL (harmless)

Definition at line 645 of file isoburn.c.

{
 if(*o==NULL)
   return(0);
 free(*o);
 *o= NULL;
 return(1);
}

int isoburn_ropt_get_default_dirperms	(	struct isoburn_read_opts *	o,
		mode_t *	mode
	)

Definition at line 712 of file isoburn.c.

References isoburn_read_opts::dirmode.

{
 *mode= o->dirmode;
 return(1);
}

int isoburn_ropt_get_default_perms	(	struct isoburn_read_opts *	o,
		uid_t *	uid,
		gid_t *	gid,
		mode_t *	mode
	)

Definition at line 694 of file isoburn.c.

References isoburn_read_opts::gid, isoburn_read_opts::mode, and isoburn_read_opts::uid.

{
 *uid= o->uid;
 *gid= o->gid;
 *mode= o->mode;
 return(1);
}

int isoburn_ropt_get_extensions	(	struct isoburn_read_opts *	o,
		int *	ext
	)

Definition at line 666 of file isoburn.c.

References isoburn_read_opts::noiso1999, isoburn_read_opts::nojoliet, isoburn_read_opts::norock, isoburn_read_opts::preferjoliet, and isoburn_read_opts::pretend_blank.

{
 *ext= (!!o->norock) | ((!!o->nojoliet)<<1) | ((!!o->noiso1999)<<2) |
       ((!!o->preferjoliet)<<3) | ((!!o->pretend_blank)<<4);
 return(1);
}

int isoburn_ropt_get_size_what	(	struct isoburn_read_opts *	o,
		uint32_t *	size,
		int *	has_what
	)

Definition at line 736 of file isoburn.c.

References isoburn_read_opts::hasElTorito, isoburn_read_opts::hasIso1999, isoburn_read_opts::hasJoliet, isoburn_read_opts::hasRR, and isoburn_read_opts::size.

{
 *size= o->size;
 *has_what= (!!o->hasRR) | ((!!o->hasJoliet)<<1) |
            ((!!o->hasIso1999)<<2) | ((!!o->hasElTorito)<<3); 
 return(1);
}

int isoburn_ropt_new	(	struct isoburn_read_opts **	o,
		int	flag
	)

Produces a set of image read options, initialized with default values.

Since:

0.1.0

Parameters:

	o	the newly created option set object
	flag	Bitfield for control purposes. Submit 0 for now.

Returns:

1=ok , <0 = failure

Definition at line 616 of file isoburn.c.

References isoburn_read_opts::dirmode, isoburn_read_opts::gid, isoburn_read_opts::hasElTorito, isoburn_read_opts::hasIso1999, isoburn_read_opts::hasJoliet, isoburn_read_opts::hasRR, isoburn_read_opts::input_charset, isoburn_msgs_submit(), isoburn_read_opts::mode, isoburn_read_opts::noiso1999, isoburn_read_opts::nojoliet, isoburn_read_opts::norock, isoburn_read_opts::preferjoliet, isoburn_read_opts::pretend_blank, isoburn_read_opts::size, and isoburn_read_opts::uid.

{
 struct isoburn_read_opts *o;

 o= (*new_o)= calloc(1, sizeof(struct isoburn_read_opts));
 if(o==NULL) {
   isoburn_msgs_submit(NULL, 0x00060000,
                     "Cannot allocate memory for read options", 0, "FATAL", 0);
   return(-1);
 }
 o->norock= 0;
 o->nojoliet= 0;
 o->noiso1999= 1;
 o->preferjoliet= 0;
 o->uid= geteuid();
 o->gid= getegid();
 o->mode= 0444;
 o->dirmode= 0555;
 o->input_charset= NULL;
 o->hasRR= 0;
 o->hasJoliet= 0;
 o->hasIso1999= 0;
 o->hasElTorito= 0;
 o->size= 0;
 o->pretend_blank= 1;
 return(1);
}

int isoburn_ropt_set_default_dirperms	(	struct isoburn_read_opts *	o,
		mode_t	mode
	)

Default attributes to use on directories if no RockRidge extension gets loaded.

Above call isoburn_ropt_set_default_perms() automatically adds x-permissions to r-permissions for directories. This call here may be done afterwards to set independend permissions for directories, especially to override the automatically added x-permissions.

Since:

0.1.0

Parameters:

	o	The option set to work on
	mode	permissions (not file type) as of man 2 stat.

Returns:

1 success, <=0 failure

Definition at line 704 of file isoburn.c.

References isoburn_read_opts::dirmode.

{
 o->dirmode= mode;
 return(1);
}

int isoburn_ropt_set_default_perms	(	struct isoburn_read_opts *	o,
		uid_t	uid,
		gid_t	gid,
		mode_t	mode
	)

Default attributes to use if no RockRidge extension gets loaded.

Since:

0.1.0

Parameters:

	o	The option set to work on
	uid	user id number (see /etc/passwd)
	gid	group id number (see /etc/group)
	mode	permissions (not file type) as of man 2 stat. With directories, r-permissions will automatically imply x-permissions. See isoburn_ropt_set_default_dirperms() below.

Returns:

1 success, <=0 failure

Definition at line 674 of file isoburn.c.

References isoburn_read_opts::dirmode, isoburn_read_opts::gid, isoburn_read_opts::mode, and isoburn_read_opts::uid.

{
 mode_t dirmode;

 o->uid= uid;
 o->gid= gid;
 o->mode= mode;
 dirmode= mode;
 if(dirmode & S_IRUSR)
   dirmode|= S_IXUSR;
 if(dirmode & S_IRGRP)
   dirmode|= S_IXGRP;
 if(dirmode & S_IROTH)
   dirmode|= S_IXOTH;
 o->dirmode= dirmode;
 return(1);
}

int isoburn_ropt_set_extensions	(	struct isoburn_read_opts *	o,
		int	ext
	)

Definition at line 655 of file isoburn.c.

References isoburn_read_opts::noiso1999, isoburn_read_opts::nojoliet, isoburn_read_opts::norock, isoburn_read_opts::preferjoliet, and isoburn_read_opts::pretend_blank.

{
 o->norock= !!(ext&1);
 o->nojoliet= !!(ext&2);
 o->noiso1999= !!(ext&4);
 o->preferjoliet= !!(ext&8);
 o->pretend_blank= !!(ext&16);
 return(1);
}

int isoburn_ropt_set_input_charset	(	struct isoburn_read_opts *	o,
		char *	input_charset
	)

Set the character set for reading RR file names from ISO images.

Since:

0.1.0

Parameters:

	o	The option set to work on
	input_charset	Set this to NULL to use the default locale charset. For selecting a particular character set, submit its name, e.g. as listed by program iconv -l. Example: "UTF-8".

Returns:

1 success, <=0 failure

Definition at line 720 of file isoburn.c.

References isoburn_read_opts::input_charset.

{
 o->input_charset= input_charset;
 return(1);
}

int isoburn_sync_after_write	(	struct burn_drive *	input_drive,
		struct burn_drive *	output_drive,
		int	flag
	)

Wait after normal end of operations until libisofs ended all write threads and freed resource reservations.

This call is not mandatory. But without it, messages from the ending threads might appear after the application ended its write procedure.

Since:

0.1.0

Parameters:

	input_drive	The drive resp. in_drive which was used with the preparation call.
	output_drive	The out_drive used with isoburn_prepare_new_image(), NULL if none.
	flag	Bitfield, submit 0 for now.

Returns:

<=0 error , 1 = success

Definition at line 575 of file isoburn.c.

References isoburn_cancel_prepared_write().

{
 return isoburn_cancel_prepared_write(d, output_drive, 1);
}

int isoburn_toc_entry_destroy	(	struct isoburn_toc_entry **	o,
		int	flag
	)

Definition at line 82 of file isoburn.c.

References isoburn_toc_entry_destroy().

Referenced by isoburn_destroy(), isoburn_emulate_toc(), and isoburn_toc_entry_destroy().

{
 if(*o==NULL)
   return(0);
 if(flag&1)
   isoburn_toc_entry_destroy(&((*o)->next), flag);
 free((char *) (*o));   
 *o= NULL;
 return(1);
}

int isoburn_toc_entry_new	(	struct isoburn_toc_entry **	objpt,
		struct isoburn_toc_entry *	boss,
		int	flag
	)

Definition at line 54 of file isoburn.c.

References isoburn_msgs_submit(), isoburn_toc_entry::next, isoburn_toc_entry::session, isoburn_toc_entry::start_lba, isoburn_toc_entry::track_blocks, and isoburn_toc_entry::track_no.

Referenced by isoburn_emulate_toc().

{
 struct isoburn_toc_entry *o, *s;

 *objpt= o= (struct isoburn_toc_entry *)
            malloc(sizeof(struct isoburn_toc_entry));
 if(o==NULL) {
   isoburn_msgs_submit(NULL, 0x00060000,
                       "Cannot allocate memory for isoburn toc entry",
                       0, "FATAL", 0);
   return(-1);
 }
 o->session= 0;
 o->track_no= 0;
 o->start_lba= -1;
 o->track_blocks= 0;
 o->next= NULL;
 if(boss!=NULL) {
   for(s= boss; s->next!=NULL; s= s->next);
   s->next= o;
 }
 return(1);
}

void isoburn_version	(	int *	major,
		int *	minor,
		int *	micro
	)

Obtain the three release version numbers of the library.

These are the numbers encountered by the application when linking with libisoburn, i.e. possibly not before run time. Better do not base the fundamental compatibility decision of an application on these numbers. For a reliable check use isoburn_is_compatible().

Since:

0.1.0

Parameters:

	major	The maturity version (0 for now, as we are still learning)
	minor	The development goal version.
	micro	The development step version. This has an additional meaning:

Pare numbers indicate a version with frozen API. I.e. you can rely on the same set of features to be present in all published releases with that major.minor.micro combination. Features of a pare release will stay available and ABI compatible as long as the SONAME of libisoburn stays "1". Currently there are no plans to ever change the SONAME.

Odd numbers indicate that API upgrades are in progress. I.e. new features might be already present or they might be still missing. Newly introduced features may be changed incompatibly or even be revoked before release of a pare version. So micro revisions {1,3,5,7,9} should never be used for dynamic linking unless the proper library match can be guaranteed by external circumstances.

Returns:

1 success, <=0 might in future become an error indication

Definition at line 582 of file isoburn.c.

References isoburn_header_version_major, isoburn_header_version_micro, and isoburn_header_version_minor.

Referenced by isoburn_initialize(), and isoburn_is_compatible().

{
 *major= isoburn_header_version_major;
 *minor= isoburn_header_version_minor;
 *micro= isoburn_header_version_micro;

/* No more: values from version.h generated from version.h.in and
            macro values defined in configure.ac

 *major = ISOBURN_MAJOR_VERSION;
 *minor = ISOBURN_MINOR_VERSION;
 *micro = ISOBURN_MICRO_VERSION;
*/
}

---

Variable Documentation

struct isoburn* isoburn_list_start = NULL

Definition at line 103 of file isoburn.c.

int(* libisoburn_default_msgs_submit)(void *handle, int error_code, char msg_text[], int os_errno, char severity[], int flag) = NULL

Referenced by isoburn_msgs_submit(), isoburn_set_msgs_submit(), and isoburn_welcome_media().

int libisoburn_default_msgs_submit_flag = 0

Definition at line 48 of file isoburn.c.

Referenced by isoburn_msgs_submit(), isoburn_set_msgs_submit(), and isoburn_welcome_media().

void* libisoburn_default_msgs_submit_handle = NULL

Definition at line 47 of file isoburn.c.

Referenced by isoburn_msgs_submit(), isoburn_set_msgs_submit(), and isoburn_welcome_media().