Changed struct isoburn_read_opts to opaque handle
This commit is contained in:
parent
0c40b2f513
commit
7bb454bb64
@ -414,6 +414,131 @@ void isoburn_version(int *major, int *minor, int *micro)
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}
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int isoburn_is_compatible(int major, int minor, int micro, int flag)
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{
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int own_major, own_minor, own_micro;
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isoburn_version(&own_major, &own_minor, &own_micro);
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return(own_major > major ||
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(own_major == major && (own_minor > minor ||
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(own_minor == minor && own_micro >= micro))));
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}
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/* ----------------------------------------------------------------------- */
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/*
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Options for image reading.
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*/
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/* ----------------------------------------------------------------------- */
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int isoburn_ropt_new(struct isoburn_read_opts **new_o, int flag)
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{
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struct isoburn_read_opts *o;
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o= (*new_o)= calloc(1, sizeof(struct isoburn_read_opts));
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if(o==NULL)
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return(-1);
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o->norock= 0;
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o->nojoliet= 0;
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o->noiso1999= 1;
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o->preferjoliet= 0;
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o->uid= geteuid();
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o->gid= getegid();
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o->mode= 0444; /* >>> would need 0555 for directories */
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o->input_charset= NULL;
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o->hasRR= 0;
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o->hasJoliet= 0;
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o->hasIso1999= 0;
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o->hasElTorito= 0;
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o->size= 0;
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o->pretend_blank= 1;
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return(1);
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}
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int isoburn_ropt_destroy(struct isoburn_read_opts **o, int flag)
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{
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if(*o==NULL)
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return(0);
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free(*o);
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*o= NULL;
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return(1);
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}
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int isoburn_ropt_set_extensions(struct isoburn_read_opts *o, int ext)
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{
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o->norock= !!(ext&1);
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o->nojoliet= !!(ext&2);
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o->noiso1999= !!(ext&4);
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o->preferjoliet= !!(ext&8);
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o->pretend_blank= !!(ext&16);
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return(1);
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}
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int isoburn_ropt_get_extensions(struct isoburn_read_opts *o, int *ext)
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{
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*ext= (!!o->norock) | ((!!o->nojoliet)<<1) | ((!!o->noiso1999)<<2) |
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((!!o->preferjoliet)<<3) | ((!!o->pretend_blank)<<4);
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return(1);
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}
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int isoburn_ropt_set_default_perms(struct isoburn_read_opts *o,
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uid_t uid, gid_t gid, mode_t mode)
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{
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o->uid= uid;
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o->gid= gid;
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o->mode= mode;
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return(1);
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}
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int isoburn_ropt_get_default_perms(struct isoburn_read_opts *o,
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uid_t *uid, gid_t *gid, mode_t *mode)
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{
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*uid= o->uid;
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*gid= o->gid;
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*mode= o->mode;
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return(1);
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}
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int isoburn_ropt_set_input_charset(struct isoburn_read_opts *o,
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char *input_charset)
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{
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o->input_charset= input_charset;
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return(1);
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}
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int isoburn_igopt_get_in_charset(struct isoburn_read_opts *o,
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char **input_charset)
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{
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*input_charset= o->input_charset;
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return(1);
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}
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int isoburn_ropt_get_size_what(struct isoburn_read_opts *o,
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uint32_t *size, int *has_what)
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{
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*size= o->size;
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*has_what= (!!o->hasRR) | ((!!o->hasJoliet)<<1) |
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((!!o->hasIso1999)<<2) | ((!!o->hasElTorito)<<3);
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return(1);
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}
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/* ----------------------------------------------------------------------- */
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/*
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Options for image generation by libisofs and image transport to libburn.
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*/
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/* ----------------------------------------------------------------------- */
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int isoburn_igopt_new(struct isoburn_imgen_opts **new_o, int flag)
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{
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struct isoburn_imgen_opts *o;
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@ -144,8 +144,54 @@ IsoDataSource *
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isoburn_data_source_new(struct burn_drive *d);
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/**
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* Options for image reading.
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(Comments here may be outdated. API getter/setter function descriptions
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may override the descriptions here. Any difference is supposed to be a
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minor correction only.)
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*/
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struct isoburn_read_opts {
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unsigned int norock:1; /*< Do not read Rock Ridge extensions */
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unsigned int nojoliet:1; /*< Do not read Joliet extensions */
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unsigned int noiso1999:1; /*< Do not read ISO 9660:1999 enhanced tree */
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unsigned int preferjoliet:1;
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/*< When both Joliet and RR extensions are present, the RR
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* tree is used. If you prefer using Joliet, set this to 1. */
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uid_t uid; /**< Default uid when no RR */
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gid_t gid; /**< Default uid when no RR */
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mode_t mode; /**< Default mode when no RR (only permissions) */
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/**
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* Input charset for RR file names. NULL to use default locale charset.
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*/
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char *input_charset;
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/* modified by the function isoburn_read_image */
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unsigned int hasRR:1; /*< It will be set to 1 if RR extensions are present,
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to 0 if not. */
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unsigned int hasJoliet:1; /*< It will be set to 1 if Joliet extensions are
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present, to 0 if not. */
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/**
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* It will be set to 1 if the image is an ISO 9660:1999, i.e. it has
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* a version 2 Enhanced Volume Descriptor.
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*/
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unsigned int hasIso1999:1;
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/** It will be set to 1 if El-Torito boot record is present, to 0 if not.*/
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unsigned int hasElTorito:1;
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uint32_t size; /**< Will be filled with the size (in 2048 byte block) of
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* the image, as reported in the PVM. */
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unsigned int pretend_blank:1; /* always create empty image */
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};
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/**
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* Options for image generation by libisofs and image transport to libburn.
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(Comments here may be outdated. API getter/setter function descriptions
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may override the descriptions here. Any difference is supposed to be a
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minor correction only.)
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*/
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struct isoburn_imgen_opts {
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@ -23,13 +23,13 @@ The priciple of this frontend is that you may use any call of libisofs or
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libburn unless it has a isoburn_*() wrapper listed in the following function
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documentation.
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E.g. call isoburn_initialize() rather than iso_init(); burn_initialize()
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E.g. call isoburn_initialize() rather than iso_init(); burn_initialize();
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and call isoburn_drive_scan_and_grab() rather than burn_drive_scan_and_grab().
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But you may call burn_disc_get_profile() directly if you want to display
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the media type.
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The wrappers will transparently provide the necessary emulations which
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are appropriate for particular target "drives" and media states.
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are appropriate for particular target drives and media states.
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To learn about them you have to read both API descriptions: the one of
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the wrapper and the one of the underlying libburn or libisofs call.
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@ -45,26 +45,24 @@ Both drive roles can be fulfilled by the same drive.
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Input can be a random access readable libburn drive:
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optical media, regular files, block devices.
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Output can be any writeable libburn drive:
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writeable optical media in burner, writeable file objects (no directories).\
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writeable optical media in burner, writeable file objects (no directories).
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libburn needs rw-permissions to drive device file resp. file object.
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libburn demands rw-permissions to drive device file resp. file object.
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If the input drive provides a suitable ISO RockRidge image, then its tree
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may be loaded into memory and can then be manipulated by libisofs API calls.
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The loading is done by isoburn_read_image() under control of
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struct isoburn_read_opts
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>>> which the application obtains from libisoburn.
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struct isoburn_read_opts which the application obtains from libisoburn.
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It may be manipulated by the family of isoburn_ropt_set_*() functions.
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Writing of result images is controlled by libisofs related parameters
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in struct isoburn_imgen_opts
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>>> which the application obtains from libisoburn.
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in a struct isoburn_imgen_opts which the application obtains from libisoburn.
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It may be manipulated by the family of isoburn_igopt_set_*() functions.
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All multi-session aspects are handled by libisoburn according to these
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settings. The application does not have to analyze media state and write
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job parameters.
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job parameters. It rather states its desires which libisoburn tries to
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fulfill, or else will refuse to start the write run.
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Setup for Growing or Modifying
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@ -174,57 +172,112 @@ int isoburn_disc_erasable(struct burn_drive *d);
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void isoburn_disc_erase(struct burn_drive *drive, int fast);
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/* >>> this goes to isoburn.h */
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/* ----------------------------------------------------------------------- */
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/*
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/* >>> Opaque definition of isoburn_read_opts */
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/* >>> Constructor, destructor, getters, setters. */
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Options for image reading.
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/**
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* Options for image reading.
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*/
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struct isoburn_read_opts {
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unsigned int norock:1; /*< Do not read Rock Ridge extensions */
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unsigned int nojoliet:1; /*< Do not read Joliet extensions */
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unsigned int noiso1999:1; /*< Do not read ISO 9660:1999 enhanced tree */
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unsigned int preferjoliet:1;
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/*< When both Joliet and RR extensions are present, the RR
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* tree is used. If you prefer using Joliet, set this to 1. */
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uid_t uid; /**< Default uid when no RR */
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gid_t gid; /**< Default uid when no RR */
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mode_t mode; /**< Default mode when no RR (only permissions) */
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An application shall create an option set object by isoburn_ropt_new(),
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program it by isoburn_ropt_set_*(), use it with isoburn_read_image(),
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and finally delete it by isoburn_ropt_destroy().
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/**
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* Input charset for RR file names. NULL to use default locale charset.
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*/
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char *input_charset;
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*/
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/* ----------------------------------------------------------------------- */
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/* modified by the function isoburn_read_image */
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unsigned int hasRR:1; /*< It will be set to 1 if RR extensions are present,
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to 0 if not. */
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unsigned int hasJoliet:1; /*< It will be set to 1 if Joliet extensions are
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present, to 0 if not. */
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struct isoburn_read_opts;
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/**
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* It will be set to 1 if the image is an ISO 9660:1999, i.e. it has
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* a version 2 Enhanced Volume Descriptor.
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*/
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unsigned int hasIso1999:1;
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/** Produces a set of image read options, initialized with default values.
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@param o the newly created option set object
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@return 1=ok , <0 = failure
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*/
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int isoburn_ropt_new(struct isoburn_read_opts **o, int flag);
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/** It will be set to 1 if El-Torito boot record is present, to 0 if not.*/
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unsigned int hasElTorito:1;
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uint32_t size; /**< Will be filled with the size (in 2048 byte block) of
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* the image, as reported in the PVM. */
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unsigned int pretend_blank:1; /* always create empty image */
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};
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/** Deletes an option set which was created by isoburn_ropt_new().
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@return 1= **o destroyed , 0= *o was already NULL (harmless)
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*/
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int isoburn_ropt_destroy(struct isoburn_read_opts **o, int flag);
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/** Which existing ISO 9660 extensions in the image to read or not to read.
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Whether to read the content of an existing image at all.
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The bits can be combined by | resp. inquired by &.
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@param ext Bitfield:
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bit0= norock
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Do not read Rock Ridge extensions
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bit1= nojoliet
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Do not read Joliet extensions
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bit2= noiso1999
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Do not read ISO 9660:1999 enhanced tree
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bit3= preferjoliet
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When both Joliet and RR extensions are present, the RR
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tree is used. If you prefer using Joliet, set this to 1.
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bit4= pretend_blank
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Always create empty image.Ignore any image on input drive.
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*/
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#define isoburn_ropt_norock 1
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#define isoburn_ropt_nojoliet 2
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#define isoburn_ropt_noiso1999 4
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#define isoburn_ropt_preferjoliet 8
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#define isoburn_ropt_pretend_blank 16
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int isoburn_ropt_set_extensions(struct isoburn_read_opts *o, int ext);
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int isoburn_ropt_get_extensions(struct isoburn_read_opts *o, int *ext);
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/** Default attributes to use if no RockRidge extension gets loaded.
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@param uid user id number (see /etc/passwd)
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@param gid group id number (see /etc/group)
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@param mode permissions (not file type) as of man 2 stat.
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*/
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int isoburn_ropt_set_default_perms(struct isoburn_read_opts *o,
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uid_t uid, gid_t gid, mode_t mode);
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int isoburn_ropt_get_default_perms(struct isoburn_read_opts *o,
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uid_t *uid, gid_t *gid, mode_t *mode);
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/** Input charset for RR file names. NULL to use default locale charset.
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>>> what if not NULL ?
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*/
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int isoburn_ropt_set_input_charset(struct isoburn_read_opts *o,
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char *input_charset);
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int isoburn_ropt_get_input_charset(struct isoburn_read_opts *o,
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char **input_charset);
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/** After calling function isoburn_read_image() there are informations
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available in the option set.
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This info can be obtained as bits in parameter has_what. Like:
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joliet_available = (has_what & isoburn_ropt_has_joliet);
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@param size Number of image data blocks, 2048 bytes each.
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@param has_what Bitfield:
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bit0= has_rockridge
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RockRidge extension info is available (POSIX filesystem)
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bit1= has_joliet
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Joliet extension info is available (suitable for MS-Windows)
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bit2= has_iso1999
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ISO version 2 Enhanced Volume Descriptor is available
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>>> what is ISO 1999 good for ?
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bit3= has_el_torito
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El-Torito boot record is present
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*/
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#define isoburn_ropt_has_rockridge 1
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#define isoburn_ropt_has_joliet 2
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#define isoburn_ropt_has_iso1999 4
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#define isoburn_ropt_has_el_torito 8
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int isoburn_ropt_get_size_what(struct isoburn_read_opts *o,
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uint32_t *size, int *has_what);
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/* ----------------------------------------------------------------------- */
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/* End of Options for image reading */
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/* ----------------------------------------------------------------------- */
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/* ----------------------------------------------------------------------- */
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/*
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Options for image generation by libisofs and image transport to libburn.
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An application shall create an option set object by isoburn_igopt_new(),
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An application shall create an option set by isoburn_igopt_new(),
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program it by isoburn_igopt_set_*(), use it with either
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isoburn_prepare_new_image() or isoburn_prepare_disc(), and finally delete
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it by isoburn_igopt_destroy().
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@ -243,7 +296,7 @@ int isoburn_igopt_new(struct isoburn_imgen_opts **o, int flag);
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/** Deletes an option set which was created by isoburn_igopt_new().
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It is harmless to submit *o == NULL.
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@return 1= **o destroyed , 0= *o was already NULL (harmless)
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*/
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int isoburn_igopt_destroy(struct isoburn_imgen_opts **o, int flag);
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@ -1 +1 @@
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#define Xorriso_timestamP "2008.01.28.235717"
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#define Xorriso_timestamP "2008.01.29.125956"
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@ -211,7 +211,7 @@ int Xorriso_create_empty_iso(struct XorrisO *xorriso, int flag)
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{
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int ret;
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IsoImage *volset;
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struct isoburn_read_opts ropts;
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struct isoburn_read_opts *ropts;
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struct burn_drive_info *dinfo= NULL;
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struct burn_drive *drive= NULL;
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@ -227,11 +227,16 @@ int Xorriso_create_empty_iso(struct XorrisO *xorriso, int flag)
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xorriso->loaded_volid[0]= 0;
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xorriso->volset_change_pending= 0;
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}
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memset(&ropts, sizeof(ropts), 0);
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ropts.pretend_blank= 1;
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ropts.input_charset= NULL;
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ret= isoburn_read_image(drive, &ropts, &volset);
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ret= isoburn_ropt_new(&ropts, 0);
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if(ret<=0)
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return(ret);
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/* Note: no return before isoburn_ropt_destroy() */
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isoburn_ropt_set_extensions(ropts, isoburn_ropt_pretend_blank);
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isoburn_ropt_set_input_charset(ropts, NULL);
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ret= isoburn_read_image(drive, ropts, &volset);
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Xorriso_process_msg_queues(xorriso,0);
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isoburn_ropt_destroy(&ropts, 0);
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if(ret<=0) {
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sprintf(xorriso->info_text, "Failed to create new empty ISO image object");
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Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FATAL", 0);
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@ -257,7 +262,7 @@ int Xorriso_aquire_drive(struct XorrisO *xorriso, char *adr, int flag)
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struct burn_drive *drive, *out_drive, *in_drive;
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enum burn_disc_status state;
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IsoImage *volset = NULL;
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struct isoburn_read_opts ropts;
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struct isoburn_read_opts *ropts= NULL;
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char adr_data[SfileadrL], *libburn_adr;
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if((flag&3)==0) {
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@ -367,6 +372,14 @@ int Xorriso_aquire_drive(struct XorrisO *xorriso, char *adr, int flag)
|
||||
return(0);
|
||||
}
|
||||
/* fill read opts */
|
||||
ret= isoburn_ropt_new(&ropts, 0);
|
||||
if(ret<=0)
|
||||
return(ret);
|
||||
isoburn_ropt_set_extensions(ropts, isoburn_ropt_noiso1999);
|
||||
isoburn_ropt_set_default_perms(ropts, (uid_t) 0, (gid_t) 0, (mode_t) 0555);
|
||||
isoburn_ropt_set_input_charset(ropts, NULL);
|
||||
|
||||
#ifdef NIX
|
||||
memset(&ropts, sizeof(ropts), 0);
|
||||
ropts.norock= 0;
|
||||
ropts.nojoliet= 0;
|
||||
@ -377,9 +390,10 @@ int Xorriso_aquire_drive(struct XorrisO *xorriso, char *adr, int flag)
|
||||
ropts.mode= 0555;
|
||||
ropts.input_charset= NULL;
|
||||
ropts.pretend_blank= 0;
|
||||
#endif /* NIX */
|
||||
|
||||
Xorriso_set_image_severities(xorriso, 1); /* No DEBUG messages */
|
||||
if(isoburn_read_image(drive, &ropts, &volset) <= 0) {
|
||||
if(isoburn_read_image(drive, ropts, &volset) <= 0) {
|
||||
Xorriso_process_msg_queues(xorriso,0);
|
||||
Xorriso_set_image_severities(xorriso, 0);
|
||||
sprintf(xorriso->info_text,"Cannot read ISO image volset");
|
||||
@ -411,12 +425,13 @@ int Xorriso_aquire_drive(struct XorrisO *xorriso, char *adr, int flag)
|
||||
}
|
||||
ret= 1+not_writeable;
|
||||
ex:
|
||||
Xorriso_process_msg_queues(xorriso,0);
|
||||
if(ret<=0) {
|
||||
hret= Xorriso_give_up_drive(xorriso, flag&3);
|
||||
if(hret<ret)
|
||||
ret= hret;
|
||||
}
|
||||
Xorriso_process_msg_queues(xorriso,0);
|
||||
isoburn_ropt_destroy(&ropts, 0);
|
||||
return(ret);
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user