diff options
Diffstat (limited to 'src/gpt.c')
| -rw-r--r-- | src/gpt.c | 200 |
1 files changed, 109 insertions, 91 deletions
@@ -6,10 +6,13 @@ * */ -static char rcsid[] = "$Id: gpt.c,v 1.12 2007/11/12 13:28:04 james Exp $"; +static char rcsid[] = "$Id: gpt.c,v 1.13 2007/11/13 15:18:30 james Exp $"; /* * $Log: gpt.c,v $ + * Revision 1.13 2007/11/13 15:18:30 james + * *** empty log message *** + * * Revision 1.12 2007/11/12 13:28:04 james * *** empty log message *** * @@ -49,115 +52,130 @@ static char rcsid[] = "$Id: gpt.c,v 1.12 2007/11/12 13:28:04 james Exp $"; #include "project.h" -void usage(void) +void +usage (void) { -fprintf(stderr, -"Usage:\n" -"gpt -h show help\n" -"gpt -d disk-device -l list partitions\n" -"gpt -d disk-device -s print the address of frist usable sector\n" -" on the disk\n" -" the last usable sector on the disk\n" + fprintf (stderr, + "Usage:\n" + "gpt -h show help\n" + "gpt -d disk-device -l list partitions\n" + "gpt -d disk-device -s print the address of frist usable sector\n" + " on the disk\n" + " the last usable sector on the disk\n" #if 0 -"gpt -d disk-device -e print the address of the sector after the\n" -" the last addressable sector on the disk\n" + "gpt -d disk-device -e print the address of the sector after the\n" + " the last addressable sector on the disk\n" #endif -"gpt -d disk-device -e print the address of the last sector\n" -" usable in a partition\n" -"gpt -d disk-device -f n print the lba of the last sector in\n" -" parition n\n" -"gpt -d disk-device -n write a new blank parition table to the disk\n" -" the end of parition n\n" -"gpt -d disk-device -a n name type start end\n" -" set partiton n, type can either be a named\n" -" type or a hexadecimal GUID\n" -"gpt -d disk-device -c fill the PMBR with entries taken from\n" -" the first few GPT entries, using dark\n" -" voodoo\n" -); -exit(1); + "gpt -d disk-device -e print the address of the last sector\n" + " usable in a partition\n" + "gpt -d disk-device -f n print the lba of the last sector in\n" + " parition n\n" + "gpt -d disk-device -n write a new blank parition table to the disk\n" + " the end of parition n\n" + "gpt -d disk-device -a n name type start end\n" + " set partiton n, type can either be a named\n" + " type or a hexadecimal GUID\n" + "gpt -d disk-device -c fill the PMBR with entries taken from\n" + " the first few GPT entries, using dark\n" + " voodoo\n"); + exit (1); } int main (int argc, char *argv[]) { - DISK *d=NULL; + DISK *d = NULL; GPT_headers h; GPT_entry e; int c; int n; - int aflag=0; - uint64_t start_lba,end_lba; + int aflag = 0; + uint64_t start_lba, end_lba; extern char *optarg; extern int optind; - while ((c=getopt(argc,argv,"d:hlsef:unac"))!=EOF) { - switch(c) { - case 'd': - d=disk_open(optarg); - if (!d) { - fprintf(stderr,"failed to open disk %s\n",optarg); - perror("open"); - return -1; - } - break; - case 'e': - if (!d) usage(); - h=headers_get(d); - printf("%lld\n",(long long) h.header.last_usable_lba); - return 0; - case 's': - if (!d) usage(); - h=headers_get(d); - printf("%lld\n",(long long) h.header.first_usable_lba); - return 0; - case 'u': - if (!d) usage(); - h=headers_get(d); - printf("%lld\n",(long long) h.header.last_usable_lba); - return 0; - case 'f': - h=headers_get(d); - n=atoi(optarg); - e=entry_read(d,&h.header,n); - printf("%lld\n",e.end); - return 0; - case 'n': - if (!d) usage(); - new(d); - return 0; - case 'a': - aflag++; - break; - case 'l': - if (!d) usage(); - show(d); - return 0; - case 'c': - if (!d) usage(); - sync_tables(d); - //show(d); - return 0; - default: - usage(); - } -} - - if (!aflag) usage(); -if (!d) usage(); - -if ((argc-optind)!=5) usage(); - -start_lba=strtoll(argv[optind+3],NULL,0); -end_lba=strtoll(argv[optind+4],NULL,0); + while ((c = getopt (argc, argv, "d:hlsef:unac")) != EOF) + { + switch (c) + { + case 'd': + d = disk_open (optarg); + if (!d) + { + fprintf (stderr, "failed to open disk %s\n", optarg); + perror ("open"); + return -1; + } + break; + case 'e': + if (!d) + usage (); + h = headers_get (d); + printf ("%lld\n", (long long) h.header.last_usable_lba); + return 0; + case 's': + if (!d) + usage (); + h = headers_get (d); + printf ("%lld\n", (long long) h.header.first_usable_lba); + return 0; + case 'u': + if (!d) + usage (); + h = headers_get (d); + printf ("%lld\n", (long long) h.header.last_usable_lba); + return 0; + case 'f': + h = headers_get (d); + n = atoi (optarg); + e = entry_read (d, &h.header, n); + printf ("%lld\n", e.end); + return 0; + case 'n': + if (!d) + usage (); + new (d); + disk_reread_kernel_table (d); + return 0; + case 'a': + aflag++; + break; + case 'l': + if (!d) + usage (); + show (d); + return 0; + case 'c': + if (!d) + usage (); + sync_tables (d); + show (d); + disk_reread_kernel_table (d); + return 0; + default: + usage (); + } + } + + if (!aflag) + usage (); + if (!d) + usage (); + + if ((argc - optind) != 5) + usage (); + + start_lba = strtoll (argv[optind + 3], NULL, 0); + end_lba = strtoll (argv[optind + 4], NULL, 0); //printf("%lld %lld\n",(long long)start_lba,(long long) end_lba); -n=atoi(argv[optind]); + n = atoi (argv[optind]); -modify(d,n,argv[optind+1] ,argv[optind+2],start_lba,end_lba); + modify (d, n, argv[optind + 1], argv[optind + 2], start_lba, end_lba); -show(d); -return 0; + show (d); + disk_reread_kernel_table (d); + return 0; } |