Some minor remodelling with a large axe.
This commit is contained in:
phk
parent
410b675ed9
commit
51336ad9ea
@ -79,19 +79,6 @@ __FBSDID("$FreeBSD$");
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#include "pathnames.h"
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/*
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* Disklabel: read and write bsdlabels.
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* The label is usually placed on one of the first sectors of the disk.
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* Many machines also place a bootstrap in the same area,
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* in which case the label is embedded in the bootstrap.
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* The bootstrap source must leave space at the proper offset
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* for the label on such machines.
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*/
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#ifndef BBSIZE
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#define BBSIZE 8192 /* size of boot area, with label */
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#endif
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/* FIX! These are too low, but are traditional */
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#define DEFAULT_NEWFS_BLOCK 8192U
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#define DEFAULT_NEWFS_FRAG 1024U
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@ -101,47 +88,42 @@ __FBSDID("$FreeBSD$");
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#define BIG_NEWFS_FRAG 2048U
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#define BIG_NEWFS_CPG 64U
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void makelabel(const char *, const char *, struct disklabel *);
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int writelabel(void *, struct disklabel *);
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void l_perror(const char *);
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struct disklabel *readlabel(void);
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struct disklabel *makebootarea(void *, struct disklabel *);
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void display(FILE *, const struct disklabel *);
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int edit(struct disklabel *);
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int editit(void);
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char *skip(char *);
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char *word(char *);
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int getasciilabel(FILE *, struct disklabel *);
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int getasciipartspec(char *, struct disklabel *, int, int);
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int checklabel(struct disklabel *);
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void Warning(const char *, ...) __printflike(1, 2);
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void usage(void);
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struct disklabel *getvirginlabel(void);
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static void makelabel(const char *, struct disklabel *);
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static int writelabel(void);
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static int readlabel(int flag);
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static void display(FILE *, const struct disklabel *);
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static int edit(void);
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static int editit(void);
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static char *skip(char *);
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static char *word(char *);
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static int getasciilabel(FILE *, struct disklabel *);
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static int getasciipartspec(char *, struct disklabel *, int, int);
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static int checklabel(struct disklabel *);
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static void Warning(const char *, ...) __printflike(1, 2);
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static void usage(void);
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static struct disklabel *getvirginlabel(void);
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#define DEFEDITOR _PATH_VI
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#define streq(a,b) (strcmp(a,b) == 0)
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char *dkname;
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char *specname;
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char *rawname;
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char tmpfil[] = PATH_TMPFILE;
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static char *dkname;
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static char *specname;
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static char tmpfil[] = PATH_TMPFILE;
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struct disklabel lab;
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int64_t bootarea[BBSIZE / 8];
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char blank[] = "";
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char unknown[] = "unknown";
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static struct disklabel lab;
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static u_char bootarea[BBSIZE];
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static char blank[] = "";
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static char unknown[] = "unknown";
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#define MAX_PART ('z')
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#define MAX_NUM_PARTS (1 + MAX_PART - 'a')
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char part_size_type[MAX_NUM_PARTS];
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char part_offset_type[MAX_NUM_PARTS];
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int part_set[MAX_NUM_PARTS];
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static char part_size_type[MAX_NUM_PARTS];
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static char part_offset_type[MAX_NUM_PARTS];
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static int part_set[MAX_NUM_PARTS];
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int installboot; /* non-zero if we should install a boot program */
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char *xxboot; /* primary boot */
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char boot0[MAXPATHLEN];
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static int installboot; /* non-zero if we should install a boot program */
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static char const *xxboot; /* primary boot */
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static int labeloffset = LABELOFFSET;
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static int labeloffset = LABELOFFSET + LABELSECTOR * DEV_BSIZE;
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static int bbsize = BBSIZE;
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static int alphacksum =
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#if defined(__alpha__)
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@ -155,15 +137,14 @@ enum {
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} op = UNSPEC;
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int disable_write; /* set to disable writing to disk label */
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static int disable_write; /* set to disable writing to disk label */
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int
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main(int argc, char *argv[])
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{
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struct disklabel *lp;
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FILE *t;
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int ch, error = 0;
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char *name = 0;
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char const *name = 0;
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while ((ch = getopt(argc, argv, "Bb:em:nRrs:w")) != -1)
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switch (ch) {
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@ -182,6 +163,8 @@ main(int argc, char *argv[])
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labeloffset = 64;
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bbsize = 8192;
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alphacksum = 1;
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} else {
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errx(1, "Unsupported architecture");
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}
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break;
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case 'n':
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@ -198,6 +181,10 @@ main(int argc, char *argv[])
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op = EDIT;
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break;
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case 'r':
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/*
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* We accept and ignode -r for compatibility with
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* historically disklabel usage.
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*/
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break;
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case 'w':
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if (op != UNSPEC)
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@ -210,14 +197,7 @@ main(int argc, char *argv[])
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}
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argc -= optind;
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argv += optind;
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if (installboot) {
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if (op == UNSPEC)
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op = WRITEBOOT;
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} else {
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if (op == UNSPEC)
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op = READ;
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xxboot = 0;
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}
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if (argc < 1)
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usage();
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@ -230,7 +210,11 @@ main(int argc, char *argv[])
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dkname++;
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specname = argv[0];
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}
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asprintf(&rawname, "%s%c", specname, 'a' + RAW_PART);
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if (installboot && op == UNSPEC)
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op = WRITEBOOT;
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else if (op == UNSPEC)
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op = READ;
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switch(op) {
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@ -240,16 +224,16 @@ main(int argc, char *argv[])
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case EDIT:
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if (argc != 1)
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usage();
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lp = readlabel();
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error = edit(lp);
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readlabel(1);
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error = edit();
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break;
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case READ:
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if (argc != 1)
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usage();
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lp = readlabel();
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display(stdout, lp);
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error = checklabel(lp);
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readlabel(1);
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display(stdout, NULL);
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error = checklabel(NULL);
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break;
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case RESTORE:
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@ -257,50 +241,42 @@ main(int argc, char *argv[])
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usage();
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if (!(t = fopen(argv[1], "r")))
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err(4, "fopen %s", argv[1]);
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readlabel(0);
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if (!getasciilabel(t, &lab))
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exit(1);
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lp = makebootarea(bootarea, &lab);
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*lp = lab;
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error = writelabel(bootarea, lp);
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error = writelabel();
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break;
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case WRITE:
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if (argc == 3) {
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name = argv[2];
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argc--;
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}
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if (argc != 2)
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if (argc == 2)
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name = argv[1];
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else if (argc == 1)
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name = "auto";
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else
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usage();
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makelabel(argv[1], name, &lab);
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lp = makebootarea(bootarea, &lab);
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*lp = lab;
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if (checklabel(lp) == 0)
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error = writelabel(bootarea, lp);
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readlabel(0);
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makelabel(name, &lab);
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if (checklabel(NULL) == 0)
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error = writelabel();
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break;
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case WRITEBOOT:
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{
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struct disklabel tlab;
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lp = readlabel();
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tlab = *lp;
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readlabel(1);
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if (argc == 2)
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makelabel(argv[1], 0, &lab);
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lp = makebootarea(bootarea, &lab);
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*lp = tlab;
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if (checklabel(lp) == 0)
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error = writelabel(bootarea, lp);
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makelabel(argv[1], &lab);
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if (checklabel(NULL) == 0)
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error = writelabel();
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break;
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}
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}
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exit(error);
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}
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/*
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* Construct a prototype disklabel from /etc/disktab.
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*/
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void
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makelabel(const char *type, const char *name, struct disklabel *lp)
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static void
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makelabel(const char *type, struct disklabel *lp)
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{
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struct disklabel *dp;
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@ -312,21 +288,47 @@ makelabel(const char *type, const char *name, struct disklabel *lp)
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errx(1, "%s: unknown disk type", type);
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*lp = *dp;
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bzero(lp->d_packname, sizeof(lp->d_packname));
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if (name)
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(void)strncpy(lp->d_packname, name, sizeof(lp->d_packname));
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}
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int
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writelabel(void *boot, struct disklabel *lp)
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static void
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readboot(void)
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{
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int fd, i;
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struct stat st;
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if (xxboot == NULL)
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xxboot = "/boot/boot";
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fd = open(xxboot, O_RDONLY);
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if (fd < 0)
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err(1, "cannot open %s", xxboot);
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fstat(fd, &st);
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if (st.st_size == BBSIZE) {
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i = read(fd, bootarea, BBSIZE);
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if (i != BBSIZE)
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err(1, "read error %s", xxboot);
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return;
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}
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if (alphacksum && st.st_size == BBSIZE - 512) {
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i = read(fd, bootarea + 512, BBSIZE - 512);
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if (i != BBSIZE - 512)
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err(1, "read error %s", xxboot);
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return;
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}
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errx(1, "boot code %s is wrong size", xxboot);
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}
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static int
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writelabel(void)
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{
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uint64_t *p, sum;
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int i, fd;
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struct gctl_req *grq;
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char const *errstr;
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struct disklabel *lp = &lab;
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if (disable_write) {
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Warning("write to disk label supressed - label was as follows:");
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display(stdout, lp);
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display(stdout, NULL);
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return (0);
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}
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@ -334,10 +336,12 @@ writelabel(void *boot, struct disklabel *lp)
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lp->d_magic2 = DISKMAGIC;
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lp->d_checksum = 0;
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lp->d_checksum = dkcksum(lp);
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bsd_disklabel_le_enc((u_char *)boot + labeloffset, lp);
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if (installboot)
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readboot();
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bsd_disklabel_le_enc(bootarea + labeloffset, lp);
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if (alphacksum) {
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/* Generate the bootblock checksum for the SRM console. */
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for (p = (uint64_t *)boot, i = 0, sum = 0; i < 63; i++)
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for (p = (uint64_t *)bootarea, i = 0, sum = 0; i < 63; i++)
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sum += p[i];
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p[63] = sum;
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}
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@ -348,24 +352,30 @@ writelabel(void *boot, struct disklabel *lp)
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gctl_ro_param(grq, "class", -1, "BSD");
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gctl_ro_param(grq, "geom", -1, dkname);
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gctl_ro_param(grq, "verb", -1, "write label");
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gctl_ro_param(grq, "label", 148+16*8, (u_char *)boot + labeloffset);
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gctl_ro_param(grq, "label", 148+16*8, bootarea + labeloffset);
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errstr = gctl_issue(grq);
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if (errstr != NULL)
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errx(1, "%s", errstr);
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if (errstr != NULL) {
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warnx("%s", errstr);
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gctl_free(grq);
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return(1);
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}
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gctl_free(grq);
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if (installboot) {
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grq = gctl_get_handle(GCTL_CONFIG_GEOM);
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gctl_ro_param(grq, "class", -1, "BSD");
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gctl_ro_param(grq, "geom", -1, dkname);
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gctl_ro_param(grq, "verb", -1, "write bootcode");
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gctl_ro_param(grq, "bootcode", BBSIZE, boot);
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gctl_ro_param(grq, "bootcode", BBSIZE, bootarea);
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errstr = gctl_issue(grq);
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if (errstr != NULL)
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errx(1, "%s", errstr);
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if (errstr != NULL) {
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warnx("%s", errstr);
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gctl_free(grq);
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return (1);
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}
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gctl_free(grq);
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}
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} else {
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if (write(fd, boot, bbsize) != bbsize) {
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if (write(fd, bootarea, bbsize) != bbsize) {
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warn("write %s", specname);
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close (fd);
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return (1);
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@ -375,42 +385,12 @@ writelabel(void *boot, struct disklabel *lp)
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return (0);
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}
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void
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l_perror(const char *s)
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{
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switch (errno) {
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case ESRCH:
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warnx("%s: no disk label on disk;", s);
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fprintf(stderr, "add \"-r\" to install initial label\n");
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break;
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case EINVAL:
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warnx("%s: label magic number or checksum is wrong!", s);
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fprintf(stderr, "(disklabel or kernel is out of date?)\n");
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break;
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case EBUSY:
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warnx("%s: open partition would move or shrink", s);
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break;
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case EXDEV:
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warnx("%s: '%c' partition must start at beginning of disk",
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s, 'a' + RAW_PART);
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break;
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default:
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warn((char *)NULL);
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break;
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}
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}
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/*
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* Fetch disklabel for disk.
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* Use ioctl to get label unless -r flag is given.
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*/
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struct disklabel *
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readlabel(void)
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static int
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readlabel(int flag)
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{
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int f;
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int error;
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@ -419,99 +399,25 @@ readlabel(void)
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if (f < 0)
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err(1, specname);
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(void)lseek(f, (off_t)0, SEEK_SET);
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if (read(f, bootarea, BBSIZE) < BBSIZE)
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if (read(f, bootarea, BBSIZE) != BBSIZE)
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err(4, "%s read", specname);
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error = bsd_disklabel_le_dec((u_char *)bootarea + labeloffset, &lab, MAXPARTITIONS);
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if (error)
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errx(1, "%s: invalid bsd label", specname);
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close (f);
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return (&lab);
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error = bsd_disklabel_le_dec(bootarea + labeloffset, &lab, MAXPARTITIONS);
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if (flag && error)
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errx(1, "%s: no valid label found", specname);
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return (error);
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}
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/*
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* Construct a bootarea (bbsize bytes) in the specified buffer ``boot''
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* Returns a pointer to the disklabel portion of the bootarea.
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*/
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struct disklabel *
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makebootarea(void *boot, struct disklabel *dp)
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{
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struct disklabel *lp;
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int b;
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struct stat sb;
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uint64_t *bootinfo;
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int n;
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/* XXX */
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if (dp->d_secsize == 0) {
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dp->d_secsize = DEV_BSIZE;
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dp->d_bbsize = bbsize;
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}
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lp = (struct disklabel *)((char *)boot + labeloffset);
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bzero((char *)lp, sizeof *lp);
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#if 0
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/*
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* If we are not installing a boot program but we are installing a
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* label on disk then we must read the current bootarea so we don't
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* clobber the existing boot.
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*/
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if (!installboot) {
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if (read(f, boot, BBSIZE) < BBSIZE)
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err(4, "%s", specname);
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bzero((char *)lp, sizeof *lp);
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return (lp);
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}
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#endif
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/*
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* We are installing a boot program. Determine the name(s) and
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* read them into the appropriate places in the boot area.
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*/
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if (xxboot == NULL)
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asprintf(&xxboot, "%s/boot", _PATH_BOOTDIR);
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b = open(xxboot, O_RDONLY);
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if (b < 0)
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err(4, "%s", xxboot);
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if (fstat(b, &sb) != 0)
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err(4, "%s", xxboot);
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if (sb.st_size == BBSIZE) {
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n = read(b, (char *)boot, bbsize);
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if (n != bbsize)
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err(4, "%s", xxboot);
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} else if (alphacksum) {
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if (sb.st_size != BBSIZE - dp->d_secsize)
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errx(4, "%s wrong size (%jd bytes, expected %jd bytes)",
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xxboot, (intmax_t)sb.st_size,
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(intmax_t)BBSIZE - dp->d_secsize);
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/*
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* On the alpha, the primary bootstrap starts at the
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* second sector of the boot area. The first sector
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* contains the label and must be edited to contain the
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* size and location of the primary bootstrap.
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*/
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n = read(b, (char *)boot + dp->d_secsize,
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bbsize - dp->d_secsize);
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if (n != bbsize - dp->d_secsize)
|
||||
err(4, "%s", xxboot);
|
||||
bootinfo = (uint64_t *)((char *)boot + 480);
|
||||
bootinfo[0] = (n + dp->d_secsize - 1) / dp->d_secsize;
|
||||
bootinfo[1] = 1; /* start at sector 1 */
|
||||
bootinfo[2] = 0; /* flags (must be zero) */
|
||||
} else {
|
||||
errx(4, "%s is wrong size, is %jd bytes, expected %d bytes",
|
||||
xxboot, (intmax_t)sb.st_size, bbsize);
|
||||
}
|
||||
|
||||
(void)close(b);
|
||||
return (lp);
|
||||
}
|
||||
|
||||
void
|
||||
static void
|
||||
display(FILE *f, const struct disklabel *lp)
|
||||
{
|
||||
int i, j;
|
||||
const struct partition *pp;
|
||||
|
||||
if (lp == NULL)
|
||||
lp = &lab;
|
||||
|
||||
fprintf(f, "# %s:\n", specname);
|
||||
if (lp->d_type < DKMAXTYPES)
|
||||
fprintf(f, "type: %s\n", dktypenames[lp->d_type]);
|
||||
@ -589,26 +495,14 @@ display(FILE *f, const struct disklabel *lp)
|
||||
fprintf(f, "%20.20s", "");
|
||||
break;
|
||||
}
|
||||
fprintf(f, "\t# (Cyl. %4lu",
|
||||
(u_long)(pp->p_offset / lp->d_secpercyl));
|
||||
if (pp->p_offset % lp->d_secpercyl)
|
||||
putc('*', f);
|
||||
else
|
||||
putc(' ', f);
|
||||
fprintf(f, "- %lu",
|
||||
(u_long)((pp->p_offset + pp->p_size +
|
||||
lp->d_secpercyl - 1) /
|
||||
lp->d_secpercyl - 1));
|
||||
if (pp->p_size % lp->d_secpercyl)
|
||||
putc('*', f);
|
||||
fprintf(f, ")\n");
|
||||
fprintf(f, "\n");
|
||||
}
|
||||
}
|
||||
fflush(f);
|
||||
}
|
||||
|
||||
int
|
||||
edit(struct disklabel *lp)
|
||||
static int
|
||||
edit(void)
|
||||
{
|
||||
int c, fd;
|
||||
struct disklabel label;
|
||||
@ -619,7 +513,7 @@ edit(struct disklabel *lp)
|
||||
warnx("can't create %s", tmpfil);
|
||||
return (1);
|
||||
}
|
||||
display(fp, lp);
|
||||
display(fp, NULL);
|
||||
fclose(fp);
|
||||
for (;;) {
|
||||
if (!editit())
|
||||
@ -630,16 +524,17 @@ edit(struct disklabel *lp)
|
||||
break;
|
||||
}
|
||||
bzero((char *)&label, sizeof(label));
|
||||
if (getasciilabel(fp, &label)) {
|
||||
*lp = label;
|
||||
if (writelabel(bootarea, lp) == 0) {
|
||||
fclose(fp);
|
||||
c = getasciilabel(fp, &label);
|
||||
fclose(fp);
|
||||
if (c) {
|
||||
lab = label;
|
||||
if (writelabel() == 0) {
|
||||
(void) unlink(tmpfil);
|
||||
return (0);
|
||||
}
|
||||
}
|
||||
fclose(fp);
|
||||
printf("re-edit the label? [y]: "); fflush(stdout);
|
||||
printf("re-edit the label? [y]: ");
|
||||
fflush(stdout);
|
||||
c = getchar();
|
||||
if (c != EOF && c != (int)'\n')
|
||||
while (getchar() != (int)'\n')
|
||||
@ -651,7 +546,7 @@ edit(struct disklabel *lp)
|
||||
return (1);
|
||||
}
|
||||
|
||||
int
|
||||
static int
|
||||
editit(void)
|
||||
{
|
||||
int pid, xpid;
|
||||
@ -686,7 +581,7 @@ editit(void)
|
||||
return(!locstat);
|
||||
}
|
||||
|
||||
char *
|
||||
static char *
|
||||
skip(char *cp)
|
||||
{
|
||||
|
||||
@ -697,7 +592,7 @@ skip(char *cp)
|
||||
return (cp);
|
||||
}
|
||||
|
||||
char *
|
||||
static char *
|
||||
word(char *cp)
|
||||
{
|
||||
char c;
|
||||
@ -717,7 +612,7 @@ word(char *cp)
|
||||
* in the same format as that put out by display(),
|
||||
* and fill in lp.
|
||||
*/
|
||||
int
|
||||
static int
|
||||
getasciilabel(FILE *f, struct disklabel *lp)
|
||||
{
|
||||
char *cp;
|
||||
@ -747,12 +642,12 @@ getasciilabel(FILE *f, struct disklabel *lp)
|
||||
continue;
|
||||
}
|
||||
*tp++ = '\0', tp = skip(tp);
|
||||
if (streq(cp, "type")) {
|
||||
if (!strcmp(cp, "type")) {
|
||||
if (tp == NULL)
|
||||
tp = unknown;
|
||||
cpp = dktypenames;
|
||||
for (; cpp < &dktypenames[DKMAXTYPES]; cpp++)
|
||||
if (*cpp && streq(*cpp, tp)) {
|
||||
if (*cpp && !strcmp(*cpp, tp)) {
|
||||
lp->d_type = cpp - dktypenames;
|
||||
break;
|
||||
}
|
||||
@ -765,14 +660,14 @@ getasciilabel(FILE *f, struct disklabel *lp)
|
||||
lp->d_type = v;
|
||||
continue;
|
||||
}
|
||||
if (streq(cp, "flags")) {
|
||||
if (!strcmp(cp, "flags")) {
|
||||
for (v = 0; (cp = tp) && *cp != '\0';) {
|
||||
tp = word(cp);
|
||||
if (streq(cp, "removeable"))
|
||||
if (!strcmp(cp, "removeable"))
|
||||
v |= D_REMOVABLE;
|
||||
else if (streq(cp, "ecc"))
|
||||
else if (!strcmp(cp, "ecc"))
|
||||
v |= D_ECC;
|
||||
else if (streq(cp, "badsect"))
|
||||
else if (!strcmp(cp, "badsect"))
|
||||
v |= D_BADSECT;
|
||||
else {
|
||||
fprintf(stderr,
|
||||
@ -784,7 +679,7 @@ getasciilabel(FILE *f, struct disklabel *lp)
|
||||
lp->d_flags = v;
|
||||
continue;
|
||||
}
|
||||
if (streq(cp, "drivedata")) {
|
||||
if (!strcmp(cp, "drivedata")) {
|
||||
for (i = 0; (cp = tp) && *cp != '\0' && i < NDDATA;) {
|
||||
lp->d_drivedata[i++] = strtoul(cp, NULL, 10);
|
||||
tp = word(cp);
|
||||
@ -803,15 +698,15 @@ getasciilabel(FILE *f, struct disklabel *lp)
|
||||
}
|
||||
if (tp == NULL)
|
||||
tp = blank;
|
||||
if (streq(cp, "disk")) {
|
||||
if (!strcmp(cp, "disk")) {
|
||||
strncpy(lp->d_typename, tp, sizeof (lp->d_typename));
|
||||
continue;
|
||||
}
|
||||
if (streq(cp, "label")) {
|
||||
if (!strcmp(cp, "label")) {
|
||||
strncpy(lp->d_packname, tp, sizeof (lp->d_packname));
|
||||
continue;
|
||||
}
|
||||
if (streq(cp, "bytes/sector")) {
|
||||
if (!strcmp(cp, "bytes/sector")) {
|
||||
v = strtoul(tp, NULL, 10);
|
||||
if (v == 0 || (v % DEV_BSIZE) != 0) {
|
||||
fprintf(stderr,
|
||||
@ -822,7 +717,7 @@ getasciilabel(FILE *f, struct disklabel *lp)
|
||||
lp->d_secsize = v;
|
||||
continue;
|
||||
}
|
||||
if (streq(cp, "sectors/track")) {
|
||||
if (!strcmp(cp, "sectors/track")) {
|
||||
v = strtoul(tp, NULL, 10);
|
||||
#if (ULONG_MAX != 0xffffffffUL)
|
||||
if (v == 0 || v > 0xffffffff) {
|
||||
@ -836,7 +731,7 @@ getasciilabel(FILE *f, struct disklabel *lp)
|
||||
lp->d_nsectors = v;
|
||||
continue;
|
||||
}
|
||||
if (streq(cp, "sectors/cylinder")) {
|
||||
if (!strcmp(cp, "sectors/cylinder")) {
|
||||
v = strtoul(tp, NULL, 10);
|
||||
if (v == 0) {
|
||||
fprintf(stderr, "line %d: %s: bad %s\n",
|
||||
@ -846,7 +741,7 @@ getasciilabel(FILE *f, struct disklabel *lp)
|
||||
lp->d_secpercyl = v;
|
||||
continue;
|
||||
}
|
||||
if (streq(cp, "tracks/cylinder")) {
|
||||
if (!strcmp(cp, "tracks/cylinder")) {
|
||||
v = strtoul(tp, NULL, 10);
|
||||
if (v == 0) {
|
||||
fprintf(stderr, "line %d: %s: bad %s\n",
|
||||
@ -856,7 +751,7 @@ getasciilabel(FILE *f, struct disklabel *lp)
|
||||
lp->d_ntracks = v;
|
||||
continue;
|
||||
}
|
||||
if (streq(cp, "cylinders")) {
|
||||
if (!strcmp(cp, "cylinders")) {
|
||||
v = strtoul(tp, NULL, 10);
|
||||
if (v == 0) {
|
||||
fprintf(stderr, "line %d: %s: bad %s\n",
|
||||
@ -866,7 +761,7 @@ getasciilabel(FILE *f, struct disklabel *lp)
|
||||
lp->d_ncylinders = v;
|
||||
continue;
|
||||
}
|
||||
if (streq(cp, "sectors/unit")) {
|
||||
if (!strcmp(cp, "sectors/unit")) {
|
||||
v = strtoul(tp, NULL, 10);
|
||||
if (v == 0) {
|
||||
fprintf(stderr, "line %d: %s: bad %s\n",
|
||||
@ -876,7 +771,7 @@ getasciilabel(FILE *f, struct disklabel *lp)
|
||||
lp->d_secperunit = v;
|
||||
continue;
|
||||
}
|
||||
if (streq(cp, "rpm")) {
|
||||
if (!strcmp(cp, "rpm")) {
|
||||
v = strtoul(tp, NULL, 10);
|
||||
if (v == 0 || v > USHRT_MAX) {
|
||||
fprintf(stderr, "line %d: %s: bad %s\n",
|
||||
@ -886,7 +781,7 @@ getasciilabel(FILE *f, struct disklabel *lp)
|
||||
lp->d_rpm = v;
|
||||
continue;
|
||||
}
|
||||
if (streq(cp, "interleave")) {
|
||||
if (!strcmp(cp, "interleave")) {
|
||||
v = strtoul(tp, NULL, 10);
|
||||
if (v == 0 || v > USHRT_MAX) {
|
||||
fprintf(stderr, "line %d: %s: bad %s\n",
|
||||
@ -896,7 +791,7 @@ getasciilabel(FILE *f, struct disklabel *lp)
|
||||
lp->d_interleave = v;
|
||||
continue;
|
||||
}
|
||||
if (streq(cp, "trackskew")) {
|
||||
if (!strcmp(cp, "trackskew")) {
|
||||
v = strtoul(tp, NULL, 10);
|
||||
if (v > USHRT_MAX) {
|
||||
fprintf(stderr, "line %d: %s: bad %s\n",
|
||||
@ -906,7 +801,7 @@ getasciilabel(FILE *f, struct disklabel *lp)
|
||||
lp->d_trackskew = v;
|
||||
continue;
|
||||
}
|
||||
if (streq(cp, "cylinderskew")) {
|
||||
if (!strcmp(cp, "cylinderskew")) {
|
||||
v = strtoul(tp, NULL, 10);
|
||||
if (v > USHRT_MAX) {
|
||||
fprintf(stderr, "line %d: %s: bad %s\n",
|
||||
@ -916,12 +811,12 @@ getasciilabel(FILE *f, struct disklabel *lp)
|
||||
lp->d_cylskew = v;
|
||||
continue;
|
||||
}
|
||||
if (streq(cp, "headswitch")) {
|
||||
if (!strcmp(cp, "headswitch")) {
|
||||
v = strtoul(tp, NULL, 10);
|
||||
lp->d_headswitch = v;
|
||||
continue;
|
||||
}
|
||||
if (streq(cp, "track-to-track seek")) {
|
||||
if (!strcmp(cp, "track-to-track seek")) {
|
||||
v = strtoul(tp, NULL, 10);
|
||||
lp->d_trkseek = v;
|
||||
continue;
|
||||
@ -982,7 +877,7 @@ getasciilabel(FILE *f, struct disklabel *lp)
|
||||
* Read a partition line into partition `part' in the specified disklabel.
|
||||
* Return 0 on success, 1 on failure.
|
||||
*/
|
||||
int
|
||||
static int
|
||||
getasciipartspec(char *tp, struct disklabel *lp, int part, int lineno)
|
||||
{
|
||||
struct partition *pp;
|
||||
@ -1017,7 +912,7 @@ getasciipartspec(char *tp, struct disklabel *lp, int part, int lineno)
|
||||
}
|
||||
cp = tp, tp = word(cp);
|
||||
for (cpp = fstypenames; cpp < &fstypenames[FSMAXTYPES]; cpp++)
|
||||
if (*cpp && streq(*cpp, cp))
|
||||
if (*cpp && !strcmp(*cpp, cp))
|
||||
break;
|
||||
if (*cpp != NULL) {
|
||||
pp->p_fstype = cpp - fstypenames;
|
||||
@ -1091,7 +986,7 @@ getasciipartspec(char *tp, struct disklabel *lp, int part, int lineno)
|
||||
* Check disklabel for errors and fill in
|
||||
* derived fields according to supplied values.
|
||||
*/
|
||||
int
|
||||
static int
|
||||
checklabel(struct disklabel *lp)
|
||||
{
|
||||
struct partition *pp;
|
||||
@ -1103,6 +998,9 @@ checklabel(struct disklabel *lp)
|
||||
int j;
|
||||
struct partition *pp2;
|
||||
|
||||
if (lp == NULL)
|
||||
lp = &lab;
|
||||
|
||||
if (lp->d_secsize == 0) {
|
||||
fprintf(stderr, "sector size 0\n");
|
||||
return (1);
|
||||
@ -1352,23 +1250,17 @@ checklabel(struct disklabel *lp)
|
||||
*
|
||||
* The device name must be given in its "canonical" form.
|
||||
*/
|
||||
struct disklabel *
|
||||
static struct disklabel *
|
||||
getvirginlabel(void)
|
||||
{
|
||||
static struct disklabel loclab;
|
||||
struct partition *dp;
|
||||
char lnamebuf[BBSIZE];
|
||||
int f;
|
||||
u_int secsize, u;
|
||||
off_t mediasize;
|
||||
|
||||
if (dkname[0] == '/') {
|
||||
warnx("\"auto\" requires the usage of a canonical disk name");
|
||||
return (NULL);
|
||||
}
|
||||
(void)snprintf(lnamebuf, BBSIZE, "%s%s", _PATH_DEV, dkname);
|
||||
if ((f = open(lnamebuf, O_RDONLY)) == -1) {
|
||||
warn("cannot open %s", lnamebuf);
|
||||
if ((f = open(specname, O_RDONLY)) == -1) {
|
||||
warn("cannot open %s", specname);
|
||||
return (NULL);
|
||||
}
|
||||
|
||||
@ -1422,7 +1314,7 @@ getvirginlabel(void)
|
||||
|
||||
|
||||
/*VARARGS1*/
|
||||
void
|
||||
static void
|
||||
Warning(const char *fmt, ...)
|
||||
{
|
||||
va_list ap;
|
||||
@ -1434,7 +1326,7 @@ Warning(const char *fmt, ...)
|
||||
va_end(ap);
|
||||
}
|
||||
|
||||
void
|
||||
static void
|
||||
usage(void)
|
||||
{
|
||||
|
||||
@ -1442,7 +1334,7 @@ usage(void)
|
||||
"%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n",
|
||||
"usage: bsdlabel disk",
|
||||
"\t\t(to read label)",
|
||||
" bsdlabel -w [-n] [-m machine] disk type [packid]",
|
||||
" bsdlabel -w [-n] [-m machine] disk [type]",
|
||||
"\t\t(to write label with existing boot program)",
|
||||
" bsdlabel -e [-n] [-m machine] disk",
|
||||
"\t\t(to edit label)",
|
||||
@ -1450,7 +1342,7 @@ usage(void)
|
||||
"\t\t(to restore label with existing boot program)",
|
||||
" bsdlabel -B [-b boot] [-m machine] disk",
|
||||
"\t\t(to install boot program with existing on-disk label)",
|
||||
" bsdlabel -w -B [-n] [-b boot] [-m machine] disk type [packid]",
|
||||
" bsdlabel -w -B [-n] [-b boot] [-m machine] disk [type]",
|
||||
"\t\t(to write label and install boot program)",
|
||||
" bsdlabel -R -B [-n] [-b boot] [-m machine] disk protofile",
|
||||
"\t\t(to restore label and install boot program)"
|
||||
|
||||
Loading…
Reference in New Issue
Block a user