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New API calls isoburn_ropt_set_displacement(), isoburn_ropt_get_displacement()

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This commit is contained in:
Thomas Schmitt
2010-11-30 09:39:44 +00:00
parent 82bff299ec
commit 668e58761b
7 changed files with 119 additions and 30 deletions
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31
libisoburn/libisoburn.h
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@ -819,7 +819,6 @@ int isoburn_ropt_get_default_dirperms(struct isoburn_read_opts *o,
mode_t *mode);
/** Set the character set for reading RR file names from ISO images.
@since 0.1.0
@param o The option set to work on
@ -834,6 +833,7 @@ int isoburn_ropt_set_input_charset(struct isoburn_read_opts *o,
int isoburn_ropt_get_input_charset(struct isoburn_read_opts *o,
char **input_charset);
/**
Enable or disable methods to automatically choose an input charset.
This eventually overrides the name set via isoburn_ropt_set_input_charset()
@ -849,6 +849,30 @@ int isoburn_ropt_set_auto_incharset(struct isoburn_read_opts *o, int mode);
int isoburn_ropt_get_auto_incharset(struct isoburn_read_opts *o, int *mode);
/** Control an offset to be applied to all block addresses in order to
compensate for an eventual displacement of the image relative to the
start block address for which it was produced.
E.g. if track number 2 from CD gets copied into a disk file and shall then
be loaded as ISO filesystem, then the directory tree and all data file
content of the track copy will become readable by setting the track start
address as displacement and -1 as displacement_sign.
Data file content outside the track will of course not be accessible and
eventually produce read errors.
@since 0.6.6
@param o The option set to work on
@param displacement 0 or a positive number
@param displacement_sign Determines wether to add or subtract displacement
to block addresses before applying them to the
storage object for reading:
+1 = add , -1= subtract , else keep unaltered
*/
int isoburn_ropt_set_displacement(struct isoburn_read_opts *o,
uint32_t displacement, int displacement_sign);
int isoburn_ropt_get_displacement(struct isoburn_read_opts *o,
uint32_t *displacement, int *displacement_sign);
/** After calling function isoburn_read_image() there are informations
available in the option set.
This info can be obtained as bits in parameter has_what. Like:
@ -873,14 +897,15 @@ int isoburn_ropt_get_auto_incharset(struct isoburn_read_opts *o, int *mode);
#define isoburn_ropt_has_iso1999 4
#define isoburn_ropt_has_el_torito 8
int isoburn_ropt_get_size_what(struct isoburn_read_opts *o,
uint32_t *size, int *has_what);
/* ts A90122 */
/* >>> to be implemented:
#define isoburn_ropt_has_acl 64
#define isoburn_ropt_has_ea 128
*/
int isoburn_ropt_get_size_what(struct isoburn_read_opts *o,
uint32_t *size, int *has_what);
/* ----------------------------------------------------------------------- */