libisoburn/xorriso/xorriso_private.h

/* Command line oriented batch and dialog tool which creates, loads,
   manipulates and burns ISO 9660 filesystem images.

   Copyright 2007-2008 Thomas Schmitt, <scdbackup@gmx.net>

   Provided under GPL version 2.

   This file contains inner declarations of xorriso.
   The public interface is in xorriso.h
*/


/* For now, #ifdef Xorriso_is_xorriso_selF  has no meaning.
   But it is already now to be set only by the xorriso.c module.
*/

#ifndef Xorriso_private_includeD
#define Xorriso_private_includeD yes


/* Because regex_t is mentioned in struct XorrisO */
#ifdef Xorriso_with_regeX
#include <regex.h>
#endif /* Xorriso_with_regeX */


#define Smem_malloC malloc
#define Smem_freE free
#define SfileadrL 4096

/* <<< ??? */
typedef int (*Cleanup_app_handler_T)();

struct LinkiteM;

/* maximum number of history lines to be reported with -status:long_history */
#define Xorriso_status_history_maX 100

/* <<< ??? */
/* try to catch signals and ignore them during abort handling */
#define Xorriso_abort_handler_defaulT (1|(2<<4))


/** The list of startup file names */
#define Xorriso_rc_nuM 4


struct XorrisO { /* the global context of xorriso */

 int libs_are_started;

 /* source */
 char progname[SfileadrL];
 char initial_wdx[SfileadrL];
 int no_rc;

 /** List of startupfiles */
 char rc_filenames[Xorriso_rc_nuM][SfileadrL];
 int rc_filename_count;

 char wdi[SfileadrL];
 char wdx[SfileadrL];
 int did_something_useful;

 int add_plainly;

 /* >>> put libisofs aspects here <<< */

 int do_joliet;
 int do_follow_pattern;
 int do_follow_param;
 int do_follow_links;
 int follow_link_limit;
 int do_follow_mount;
 int do_global_uid;
 uid_t global_uid;
 int do_global_gid;
 gid_t global_gid;
 int do_global_mode;
 mode_t global_dir_mode;
 mode_t global_file_mode;

 int do_overwrite; /* 0=off, 1=on, 2=nondir */
 int do_reassure;  /* 0=off, 1=on, 2=tree */

 char volid[33]; 
 char loaded_volid[33];

 /* >>> put libburn/isoburn aspects here */

 char indev[SfileadrL];
 void *in_drive_handle;  /* interpreted only by xorrisoburn.c */
 void *in_volset_handle; /* interpreted only by xorrisoburn.c */

 int volset_change_pending; /* whether -commit would make sense */

 char outdev[SfileadrL];
 void *out_drive_handle; /* interpreted only by xorrisoburn.c */
 int dev_fd_1; /* The fd which substitutes for /dev/fd/1 and is
                     connected to externaly perveived stdout.
                  */

 int ban_stdio_write;
 int do_dummy;
 int do_close;
 int speed;     /* in libburn units : 1000 bytes/second , 0 = Max, -1 = Min */
 int fs;        /* fifo size in 2048 byte chunks : at most 1 GB */

 /* XORRISO options */
 int allow_graft_points;

 int dialog;


 /* Pattern matching facility. It still carries legacy from scdbackup/askme.c
    but is fully functional for xorriso.
 */
 int search_mode;
 /* 0= start text
    1= fgrep , 
    2= regular expression
    3= (eventually structured) shell parser expression
    4= shell parser expression for leaf name
 */

 int structured_search;
 /* 0= flat text search
    1= '/' is a significant separator that cannot be matched by wildcards
    ( 2= like 1 : but report only occurence in tree, no payload, no location )
    ( 3= like 2 : but report first content level of matching directories )
    4= actually not structured but unique find mode (with search_mode 4)
 */

 int do_iso_rr_pattern; /* 0=off, 1=on, 2=ls */
 int do_disk_pattern;   /* 0=off, 1=on, 2=ls */

 int temp_mem_limit;

 int use_stdin; /* use raw stdin even if readline support is compiled */
 int result_page_length;
 int result_page_width;
 char mark_text[SfileadrL]; /* ( stdout+stderr, M: ) */
 int packet_output;
 char logfile[4][SfileadrL];
 int status_history_max; /* for -status long_history */

 char report_about_text[20];
 int report_about_severity;
 int library_msg_direct_print;
 char abort_on_text[20];
 int abort_on_severity; /* A severity rank number as threshold */
 int problem_status; /* Severity rank number. 0= no abort condition present */
 char problem_status_text[20];

 /* temporary search facilities */
#ifdef Xorriso_with_regeX
 regex_t *re;
 regmatch_t match[1]; 
#endif /* Xorriso_with_regeX */
 char **re_constants;
 int re_count;
 int re_fill;
 char reg_expr[2*SfileadrL];

 /* run state */
 int is_dialog;
 int bar_is_fresh;
 char pending_option[SfileadrL]; /* eventual option entered at page prompt */
 int request_to_abort; /* abort a single operation like -ls, not the program */
 int request_not_to_ask; /* suppress reassure and pager */
 double idle_time;
 int re_failed_at; /* mismatch position with structured_search */
 int prepended_wd;
 double insert_count;
 double insert_bytes;
 double error_count; /* double will not roll over */

 /* result (stdout, R: ) */
 char result_line[5*SfileadrL];
 int result_line_counter;
 int result_page_counter;
 int result_open_line_len;


 /* info (stderr, I:) */
 char info_text[10*SfileadrL];

};


int Xorriso_prepare_regex(struct XorrisO *xorriso, char *adr, int flag);

int Xorriso_result(struct XorrisO *xorriso, int flag);

int Xorriso_info(struct XorrisO *xorriso, int flag);

int Xorriso_request_confirmation(struct XorrisO *xorriso, int flag);

int Xorriso_prescan_args(struct XorrisO *xorriso, int argc, char **argv,
                         int flag);

int Xorriso_execute_option(struct XorrisO *xorriso, char *line, int flag);

/* @return 0=match , else no match
*/
int Xorriso_regexec(struct XorrisO *xorriso, char *to_match, int *failed_at,
                    int flag);

int Xorriso_prepare_expansion_pattern(struct XorrisO *xorriso, char *pattern,
                                      int flag);

int Xorriso__mode_to_perms(mode_t st_mode, char perms[10], int flag);

int Xorriso_much_too_long(struct XorrisO *xorriso, int len, int flag);

int Xorriso_check_temp_mem_limit(struct XorrisO *xorriso, off_t mem, int flag);

int Xorriso_eval_nonmatch(struct XorrisO *xorriso, char *pattern,
                          int *nonconst_mismatches, off_t *mem, int flag);

/* @param flag bit0= a match count !=1 is a SORRY event
*/
int Xorriso_check_matchcount(struct XorrisO *xorriso,
                int count, int nonconst_mismatches, int num_patterns,
                char **patterns, int flag);

int Xorriso_no_pattern_memory(struct XorrisO *xorriso, off_t mem, int flag);

int Xorriso_alloc_pattern_mem(struct XorrisO *xorriso, off_t mem,
                              int count, char ***filev, int flag);

/* @param flag bit0= count results rather than storing them
   @return <=0 error , 1 is root (end processing) ,
                       2 is not root (go on processing)
*/
int Xorriso_check_for_root_pattern(struct XorrisO *xorriso,
              int *filec, char **filev, int count_limit, off_t *mem, int flag);

/* @param flag bit0= prepend wd only if name does not begin by '/'
               bit2= prepend wd (automatically done if wd[0]!=0)
*/
int Xorriso_make_abs_adr(struct XorrisO *xorriso, char *wd, char *name,
                             char adr[], int flag);

/* @param flag bit0= count result rather than storing it
               bit1= unexpected change of number is a FATAL event
*/
int Xorriso_register_matched_adr(struct XorrisO *xorriso,
                               char *adr, int count_limit,
                               int *filec, char **filev, off_t *mem, int flag);

int Xorriso_format_ls_l(struct XorrisO *xorriso, struct stat *stbuf, int flag);

/* @param flag bit0= simple readlink(): no normalization, no multi-hop
*/
int Xorriso_resolve_link(struct XorrisO *xorriso,
                     char *link_path, char result_path[SfileadrL], int flag);

/* @param flag bit0= for Xorriso_msgs_submit: use pager
*/
int Xorriso_hop_link(struct XorrisO *xorriso, char *link_path,
                   struct LinkiteM **link_stack, struct stat *stbuf, int flag);

/* reg_expr should be twice as large as bourne_expr ( + 2 to be exact) */
/* return: 2= bourne_expr is surely a constant */
int Xorriso__bourne_to_reg(char bourne_expr[], char reg_expr[], int flag);

int Xorriso_no_malloc_memory(struct XorrisO *xorriso, char **to_free,
                             int flag);


int Sfile_str(char target[SfileadrL], char *source, int flag);

double Sfile_microtime(int flag);

int Sfile_add_to_path(char path[SfileadrL], char *addon, int flag);

int Sfile_scale(double value, char *result, int siz, double thresh, int flag);

int Sfile_destroy_argv(int *argc, char ***argv, int flag);

char *Text_shellsafe(char *in_text, char *out_text, int flag);

int Sort_argv(int argc, char **argv, int flag);

struct DirseQ;

int Dirseq_new(struct DirseQ **o, char *adr, int flag);

int Dirseq_destroy(struct DirseQ **o, int flag);

int Dirseq_next_adr(struct DirseQ *o, char reply[SfileadrL], int flag);


int Linkitem_reset_stack(struct LinkiteM **o, struct LinkiteM *to, int flag);


struct FindjoB;

/* @return 0=no match , 1=match , <0 = error
*/
int Findjob_test(struct FindjoB *job, char *name, 
                 struct stat *boss_stbuf, struct stat *stbuf,
                 int depth, int flag);

/* @return <0 error, >=0 see xorriso.c struct FindjoB.action
*/
int Findjob_get_action(struct FindjoB *o, int flag);

/* @return <0 error, >=0 see xorriso.c struct FindjoB.action
*/ 
int Findjob_get_action_parms(struct FindjoB *o, char **target,
                             uid_t *user, gid_t *group,
                             mode_t *mode_and, mode_t *mode_or,
                             int *type, time_t *date, struct FindjoB **subjob,
                             int flag);

/* @param flag bit0= recursive
*/
int Findjob_set_action_target(struct FindjoB *o, int action, char *target,
                              int flag);

/* @param flag bit0= recursive
*/
int Findjob_set_action_chgrp(struct FindjoB *o, gid_t group, int flag);

/* @param flag bit0= recursive
*/
int Findjob_set_action_chmod(struct FindjoB *o,
                             mode_t mode_and, mode_t mode_or, int flag);

/* @param flag bit0= recursive
*/
int Findjob_set_action_ad(struct FindjoB *o, int type, time_t date, int flag);

int Findjob_set_start_path(struct FindjoB *o, char *start_path, int flag);


#endif /* Xorriso_private_includeD */