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New option --device_links

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This commit is contained in:
Thomas Schmitt
2011-07-28 19:16:06 +00:00
parent b47a0e6884
commit ecc8bbc71f
3 changed files with 59 additions and 14 deletions
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50
cdrskin/cdrskin.c
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@ -2684,7 +2684,8 @@ return:
o->scan_demands_drive= 1;
o->demands_cdrskin_caps= 1;
} else if(strcmp(argv[i],"--devices")==0) {
} else if(strcmp(argv[i],"--devices") == 0 ||
strcmp(argv[i],"--device_links") == 0) {
#ifndef Cdrskin_extra_leaN
printf("Note: If this hangs for a while then there is a drive with\n");
printf(" unexpected problems (e.g. ill DMA).\n");
@ -2879,6 +2880,7 @@ set_dev:;
" direct_write_amount=<size> write random access to media like DVD+RW\n");
printf(" --demand_a_drive exit !=0 on bus scans with empty result\n");
printf(" --devices list accessible devices (tells /dev/...)\n");
printf(" --device_links list accessible devices by (udev) links\n");
printf(
" dev_translation=<sep><from><sep><to> set input address alias\n");
printf(" e.g.: dev_translation=+ATA:1,0,0+/dev/sg1\n");
@ -3400,7 +3402,7 @@ struct CdrskiN {
int single_track;
int prodvd_cli_compatible;
int do_devices;
int do_devices; /* 1= --devices , 2= --device_links */
int do_scanbus;
@ -4727,14 +4729,16 @@ int Cdrskin_report_disc_status(struct CdrskiN *skin, enum burn_disc_status s,
/** Perform operations -scanbus or --devices
@param flag Bitfield for control purposes:
bit0= perform --devices rather than -scanbus
bit1= with bit0: perform --device_links
@return <=0 error, 1 success
*/
int Cdrskin_scanbus(struct CdrskiN *skin, int flag)
{
int ret,i,busno,first_on_bus,pseudo_transport_group= 0,skipped_devices= 0;
int busmax= 16, busidx;
int busmax= 16, busidx, max_dev_len, pad, j;
char shellsafe[5*Cdrskin_strleN+2],perms[40],btldev[Cdrskin_adrleN];
char adr[Cdrskin_adrleN],*raw_dev,*drives_shown= NULL;
char link_adr[BURN_DRIVE_ADR_LEN];
int *drives_busses= NULL;
struct stat stbuf;
@ -4742,9 +4746,26 @@ int Cdrskin_scanbus(struct CdrskiN *skin, int flag)
drives_busses= calloc((skin->n_drives+1), sizeof(int));
if(drives_shown == NULL || drives_busses == NULL)
{ret= -1; goto ex;}
for(i= 0; i < (int) skin->n_drives; i++)
drives_shown[i]= 0;
if(flag&1) {
max_dev_len= 0;
for(i= 0; i < (int) skin->n_drives; i++) {
drives_shown[i]= 0;
ret= burn_drive_get_adr(&(skin->drives[i]), adr);
if(ret<=0)
continue;
if(flag & 2) {
ret= burn_lookup_device_link(adr, link_adr, "/dev", NULL, 0, 0);
if(ret == 1)
strcpy(adr, link_adr);
}
if(strlen(adr)>=Cdrskin_strleN)
Text_shellsafe("failure:oversized string", shellsafe, 0);
else
Text_shellsafe(adr, shellsafe,0);
if((int) strlen(shellsafe) > max_dev_len)
max_dev_len= strlen(shellsafe);
}
printf("cdrskin: Overview of accessible drives (%d found) :\n",
skin->n_drives);
printf("-----------------------------------------------------------------------------\n");
@ -4771,12 +4792,22 @@ int Cdrskin_scanbus(struct CdrskiN *skin, int flag)
if(stbuf.st_mode&S_IROTH) perms[4]= 'r';
if(stbuf.st_mode&S_IWOTH) perms[5]= 'w';
}
if(flag & 2) {
ret= burn_lookup_device_link(adr, link_adr, "/dev", NULL, 0, 0);
if(ret == 1)
strcpy(adr, link_adr);
}
if(strlen(adr)>=Cdrskin_strleN)
Text_shellsafe("failure:oversized string",shellsafe,0);
else
Text_shellsafe(adr,shellsafe,0);
printf("%d dev=%s %s : '%-8.8s' '%s'\n",
i,shellsafe,perms,skin->drives[i].vendor,skin->drives[i].product);
printf("%d dev=%s", i, shellsafe);
pad= max_dev_len - strlen(shellsafe);
if(pad > 0)
for(j= 0; j < pad; j++)
printf(" ");
printf(" %s : '%-8.8s' '%s'\n",
perms, skin->drives[i].vendor, skin->drives[i].product);
}
printf("-----------------------------------------------------------------------------\n");
} else {
@ -8123,6 +8154,9 @@ option_data:;
} else if(strcmp(argv[i],"--devices")==0) {
skin->do_devices= 1;
} else if(strcmp(argv[i],"--device_links")==0) {
skin->do_devices= 2;
#ifndef Cdrskin_extra_leaN
} else if(strncmp(argv[i],"dev_translation=",16)==0) {
@ -9054,7 +9088,7 @@ int Cdrskin_run(struct CdrskiN *skin, int *exit_value, int flag)
{*exit_value= 4; goto no_drive;}
if(Cdrskin__is_aborting(0))
goto ex;
ret= Cdrskin_scanbus(skin,1);
ret= Cdrskin_scanbus(skin, 1 | (2 * (skin->do_devices == 2)));
if(ret<=0) {
fprintf(stderr,"cdrskin: FATAL : --devices failed.\n");
{*exit_value= 4; goto ex;}