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-rw-r--r--lib/libdisk/create_chunk.c645
1 files changed, 322 insertions, 323 deletions
diff --git a/lib/libdisk/create_chunk.c b/lib/libdisk/create_chunk.c
index 8ef3e8d..f226cd2 100644
--- a/lib/libdisk/create_chunk.c
+++ b/lib/libdisk/create_chunk.c
@@ -37,170 +37,170 @@ static void msgDebug(char *, ...) __printflike(1, 2);
static int
isDebug()
{
- static int debug = 0; /* Allow debugger to tweak it */
+ static int debug = 0; /* Allow debugger to tweak it */
- return debug;
+ return debug;
}
/* Write something to the debugging port */
static void
msgDebug(char *fmt, ...)
{
- va_list args;
- char *dbg;
- static int DebugFD = -1;
+ va_list args;
+ char *dbg;
+ static int DebugFD = -1;
- if (DebugFD == -1)
- DebugFD = open(_PATH_DEV"ttyv1", O_RDWR);
- dbg = (char *)alloca(FILENAME_MAX);
- strcpy(dbg, "DEBUG: ");
- va_start(args, fmt);
- vsnprintf((char *)(dbg + strlen(dbg)), FILENAME_MAX, fmt, args);
- va_end(args);
- write(DebugFD, dbg, strlen(dbg));
+ if (DebugFD == -1)
+ DebugFD = open(_PATH_DEV"ttyv1", O_RDWR);
+ dbg = (char *)alloca(FILENAME_MAX);
+ strcpy(dbg, "DEBUG: ");
+ va_start(args, fmt);
+ vsnprintf((char *)(dbg + strlen(dbg)), FILENAME_MAX, fmt, args);
+ va_end(args);
+ write(DebugFD, dbg, strlen(dbg));
}
int
Fixup_FreeBSD_Names(struct disk *d, struct chunk *c)
{
- struct chunk *c1, *c3;
- int j;
+ struct chunk *c1, *c3;
+ int j;
- if (!strcmp(c->name, "X")) return 0;
+ if (!strcmp(c->name, "X")) return 0;
- /* reset all names to "X" */
- for (c1 = c->part; c1; c1 = c1->next) {
- c1->oname = c1->name;
- c1->name = malloc(12);
- if(!c1->name) return -1;
- strcpy(c1->name,"X");
- }
+ /* reset all names to "X" */
+ for (c1 = c->part; c1; c1 = c1->next) {
+ c1->oname = c1->name;
+ c1->name = malloc(12);
+ if(!c1->name) return -1;
+ strcpy(c1->name,"X");
+ }
- /* Allocate the first swap-partition we find */
- for (c1 = c->part; c1; c1 = c1->next) {
- if (c1->type == unused) continue;
- if (c1->subtype != FS_SWAP) continue;
- sprintf(c1->name, "%s%c", c->name, SWAP_PART + 'a');
- break;
- }
+ /* Allocate the first swap-partition we find */
+ for (c1 = c->part; c1; c1 = c1->next) {
+ if (c1->type == unused) continue;
+ if (c1->subtype != FS_SWAP) continue;
+ sprintf(c1->name, "%s%c", c->name, SWAP_PART + 'a');
+ break;
+ }
- /* Allocate the first root-partition we find */
- for (c1 = c->part; c1; c1 = c1->next) {
- if (c1->type == unused) continue;
- if (!(c1->flags & CHUNK_IS_ROOT)) continue;
- sprintf(c1->name, "%s%c", c->name, 0 + 'a');
- break;
- }
+ /* Allocate the first root-partition we find */
+ for (c1 = c->part; c1; c1 = c1->next) {
+ if (c1->type == unused) continue;
+ if (!(c1->flags & CHUNK_IS_ROOT)) continue;
+ sprintf(c1->name, "%s%c", c->name, 0 + 'a');
+ break;
+ }
- /* Try to give them the same as they had before */
- for (c1 = c->part; c1; c1 = c1->next) {
- if (strcmp(c1->name, "X")) continue;
- for(c3 = c->part; c3 ; c3 = c3->next)
- if (c1 != c3 && !strcmp(c3->name, c1->oname)) {
- goto newname;
- }
- strcpy(c1->name, c1->oname);
- newname: ;
- }
+ /* Try to give them the same as they had before */
+ for (c1 = c->part; c1; c1 = c1->next) {
+ if (strcmp(c1->name, "X")) continue;
+ for(c3 = c->part; c3 ; c3 = c3->next)
+ if (c1 != c3 && !strcmp(c3->name, c1->oname)) {
+ goto newname;
+ }
+ strcpy(c1->name, c1->oname);
+ newname: ;
+ }
- /* Allocate the rest sequentially */
- for (c1 = c->part; c1; c1 = c1->next) {
- const char order[] = "efghabd";
- if (c1->type == unused) continue;
- if (strcmp("X", c1->name)) continue;
+ /* Allocate the rest sequentially */
+ for (c1 = c->part; c1; c1 = c1->next) {
+ const char order[] = "efghabd";
+ if (c1->type == unused) continue;
+ if (strcmp("X", c1->name)) continue;
- for(j = 0; j < strlen(order); j++) {
- sprintf(c1->name, "%s%c", c->name, order[j]);
- for(c3 = c->part; c3 ; c3 = c3->next)
- if (c1 != c3 && !strcmp(c3->name, c1->name))
- goto match;
- break;
- match:
- strcpy(c1->name, "X");
- continue;
+ for(j = 0; j < strlen(order); j++) {
+ sprintf(c1->name, "%s%c", c->name, order[j]);
+ for(c3 = c->part; c3 ; c3 = c3->next)
+ if (c1 != c3 && !strcmp(c3->name, c1->name))
+ goto match;
+ break;
+ match:
+ strcpy(c1->name, "X");
+ continue;
+ }
+ }
+ for (c1 = c->part; c1; c1 = c1->next) {
+ free(c1->oname);
+ c1->oname = 0;
}
- }
- for (c1 = c->part; c1; c1 = c1->next) {
- free(c1->oname);
- c1->oname = 0;
- }
- return 0;
+ return 0;
}
int
Fixup_Extended_Names(struct disk *d, struct chunk *c)
{
- struct chunk *c1;
- int j=5;
+ struct chunk *c1;
+ int j=5;
- for (c1 = c->part; c1; c1 = c1->next) {
- if (c1->type == unused) continue;
- free(c1->name);
- c1->name = malloc(12);
- if(!c1->name) return -1;
- sprintf(c1->name, "%ss%d", d->chunks->name, j++);
- if (c1->type == freebsd)
- if (Fixup_FreeBSD_Names(d, c1) != 0)
- return -1;
- }
- return 0;
+ for (c1 = c->part; c1; c1 = c1->next) {
+ if (c1->type == unused) continue;
+ free(c1->name);
+ c1->name = malloc(12);
+ if(!c1->name) return -1;
+ sprintf(c1->name, "%ss%d", d->chunks->name, j++);
+ if (c1->type == freebsd)
+ if (Fixup_FreeBSD_Names(d, c1) != 0)
+ return -1;
+ }
+ return 0;
}
int
Fixup_Names(struct disk *d)
-{
- struct chunk *c1, *c2;
- int i;
-#ifdef __i386__
- struct chunk *c3;
- int j;
-#endif
-
- c1 = d->chunks;
- for(i=1,c2 = c1->part; c2 ; c2 = c2->next) {
- c2->flags &= ~CHUNK_BSD_COMPAT;
- if (c2->type == unused)
- continue;
- if (strcmp(c2->name, "X"))
- continue;
+ {
+ struct chunk *c1, *c2;
+ int i;
+ #ifdef __i386__
+ struct chunk *c3;
+ int j;
+ #endif
+
+ c1 = d->chunks;
+ for(i=1,c2 = c1->part; c2 ; c2 = c2->next) {
+ c2->flags &= ~CHUNK_BSD_COMPAT;
+ if (c2->type == unused)
+ continue;
+ if (strcmp(c2->name, "X"))
+ continue;
#ifdef __i386__
- c2->oname = malloc(12);
- if(!c2->oname) return -1;
- for(j = 1; j <= NDOSPART; j++) {
- sprintf(c2->oname, "%ss%d", c1->name, j);
- for(c3 = c1->part; c3; c3 = c3->next)
- if (c3 != c2 && !strcmp(c3->name, c2->oname))
- goto match;
- free(c2->name);
- c2->name = c2->oname;
- c2->oname = 0;
- break;
- match:
- continue;
- }
- if (c2->oname)
- free(c2->oname);
+ c2->oname = malloc(12);
+ if(!c2->oname) return -1;
+ for(j = 1; j <= NDOSPART; j++) {
+ sprintf(c2->oname, "%ss%d", c1->name, j);
+ for(c3 = c1->part; c3; c3 = c3->next)
+ if (c3 != c2 && !strcmp(c3->name, c2->oname))
+ goto match;
+ free(c2->name);
+ c2->name = c2->oname;
+ c2->oname = 0;
+ break;
+ match:
+ continue;
+ }
+ if (c2->oname)
+ free(c2->oname);
#else
- free(c2->name);
- c2->name = strdup(c1->name);
+ free(c2->name);
+ c2->name = strdup(c1->name);
#endif /*__i386__*/
- }
- for(c2 = c1->part; c2; c2 = c2->next) {
- if (c2->type == freebsd) {
- c2->flags |= CHUNK_BSD_COMPAT;
- break;
}
- }
- for(c2 = c1->part; c2; c2 = c2->next) {
- if (c2->type == freebsd)
- Fixup_FreeBSD_Names(d, c2);
+ for(c2 = c1->part; c2; c2 = c2->next) {
+ if (c2->type == freebsd) {
+ c2->flags |= CHUNK_BSD_COMPAT;
+ break;
+ }
+ }
+ for(c2 = c1->part; c2; c2 = c2->next) {
+ if (c2->type == freebsd)
+ Fixup_FreeBSD_Names(d, c2);
#ifndef PC98
- if (c2->type == extended)
- Fixup_Extended_Names(d, c2);
+ if (c2->type == extended)
+ Fixup_Extended_Names(d, c2);
#endif
- }
- return 0;
+ }
+ return 0;
}
int
@@ -210,250 +210,249 @@ Create_Chunk(struct disk *d, u_long offset, u_long size, chunk_e type, int subty
Create_Chunk(struct disk *d, u_long offset, u_long size, chunk_e type, int subtype, u_long flags)
#endif
{
- int i;
- u_long l;
-
- if(!(flags & CHUNK_FORCE_ALL))
- {
+ int i;
+ u_long l;
+
+ if(!(flags & CHUNK_FORCE_ALL)) {
#ifdef PC98
- /* Never use the first cylinder */
- if (!offset) {
- offset += (d->bios_sect * d->bios_hd);
- size -= (d->bios_sect * d->bios_hd);
- }
+ /* Never use the first cylinder */
+ if (!offset) {
+ offset += (d->bios_sect * d->bios_hd);
+ size -= (d->bios_sect * d->bios_hd);
+ }
#else
- /* Never use the first track */
- if (!offset) {
- offset += d->bios_sect;
- size -= d->bios_sect;
- }
+ /* Never use the first track */
+ if (!offset) {
+ offset += d->bios_sect;
+ size -= d->bios_sect;
+ }
#endif /* PC98 */
+
+ /* Always end on cylinder boundary */
+ l = (offset+size) % (d->bios_sect * d->bios_hd);
+ size -= l;
+ }
- /* Always end on cylinder boundary */
- l = (offset+size) % (d->bios_sect * d->bios_hd);
- size -= l;
- }
-
#ifdef PC98
- i = Add_Chunk(d, offset, size, "X", type, subtype, flags, sname);
+ i = Add_Chunk(d, offset, size, "X", type, subtype, flags, sname);
#else
- i = Add_Chunk(d, offset, size, "X", type, subtype, flags);
+ i = Add_Chunk(d, offset, size, "X", type, subtype, flags);
#endif
- Fixup_Names(d);
- return i;
+ Fixup_Names(d);
+ return i;
}
struct chunk *
Create_Chunk_DWIM(struct disk *d, struct chunk *parent , u_long size, chunk_e type, int subtype, u_long flags)
{
- int i;
- struct chunk *c1;
- u_long offset;
-
- if (!parent)
- parent = d->chunks;
- for (c1=parent->part; c1; c1 = c1->next) {
- if (c1->type != unused) continue;
- if (c1->size < size) continue;
- offset = c1->offset;
- goto found;
- }
- return 0;
- found:
+ int i;
+ struct chunk *c1;
+ u_long offset;
+
+ if (!parent)
+ parent = d->chunks;
+ for (c1=parent->part; c1; c1 = c1->next) {
+ if (c1->type != unused) continue;
+ if (c1->size < size) continue;
+ offset = c1->offset;
+ goto found;
+ }
+ return 0;
+ found:
#ifdef PC98
- i = Add_Chunk(d, offset, size, "X", type, subtype, flags, "-");
+ i = Add_Chunk(d, offset, size, "X", type, subtype, flags, "-");
#else
- i = Add_Chunk(d, offset, size, "X", type, subtype, flags);
+ i = Add_Chunk(d, offset, size, "X", type, subtype, flags);
#endif
- if (i)
+ if (i)
+ return 0;
+ Fixup_Names(d);
+ for (c1=parent->part; c1; c1 = c1->next)
+ if (c1->offset == offset)
+ return c1;
+ /* barfout(1, "Serious internal trouble"); */
return 0;
- Fixup_Names(d);
- for (c1=parent->part; c1; c1 = c1->next)
- if (c1->offset == offset)
- return c1;
- /* barfout(1, "Serious internal trouble"); */
- return 0;
}
int
MakeDev(struct chunk *c1, const char *path)
{
- char *p = c1->name;
- u_long cmaj, min, unit, part, slice;
- char buf[BUFSIZ], buf2[BUFSIZ];
- struct group *grp;
- struct passwd *pwd;
- struct statfs fs;
- uid_t owner;
- gid_t group;
+ char *p = c1->name;
+ u_long cmaj, min, unit, part, slice;
+ char buf[BUFSIZ], buf2[BUFSIZ];
+ struct group *grp;
+ struct passwd *pwd;
+ struct statfs fs;
+ uid_t owner;
+ gid_t group;
- *buf2 = '\0';
- if (isDebug())
- msgDebug("MakeDev: Called with %s on path %s\n", p, path);
- if (!strcmp(p, "X"))
- return 0;
- if (statfs(path, &fs) != 0) {
+ *buf2 = '\0';
+ if (isDebug())
+ msgDebug("MakeDev: Called with %s on path %s\n", p, path);
+ if (!strcmp(p, "X"))
+ return 0;
+ if (statfs(path, &fs) != 0) {
#ifdef DEBUG
- warn("statfs(%s) failed\n", path);
+ warn("statfs(%s) failed\n", path);
#endif
- return 0;
- }
- if (strcmp(fs.f_fstypename, "devfs") == 0) {
- if (isDebug())
- msgDebug("MakeDev: No need to mknod(2) with DEVFS.\n");
- return 1;
- }
+ return 0;
+ }
+ if (strcmp(fs.f_fstypename, "devfs") == 0) {
+ if (isDebug())
+ msgDebug("MakeDev: No need to mknod(2) with DEVFS.\n");
+ return 1;
+ }
- if (!strncmp(p, "ad", 2))
- cmaj = 116, p += 2;
+ if (!strncmp(p, "ad", 2))
+ cmaj = 116, p += 2;
#ifdef PC98
- else if (!strncmp(p, "wd", 2))
- cmaj = 3, p += 2;
+ else if (!strncmp(p, "wd", 2))
+ cmaj = 3, p += 2;
#endif
- else if (!strncmp(p, "wfd", 3))
- cmaj = 87, p += 3;
- else if (!strncmp(p, "afd", 3))
- cmaj = 118, p += 3;
- else if (!strncmp(p, "fla", 3))
- cmaj = 102, p += 3;
- else if (!strncmp(p, "idad", 4))
- cmaj = 109, p += 4;
- else if (!strncmp(p, "mlxd", 4))
- cmaj = 131, p += 4;
- else if (!strncmp(p, "amrd", 4))
- cmaj = 133, p += 4;
- else if (!strncmp(p, "twed", 4))
- cmaj = 147, p += 4;
- else if (!strncmp(p, "aacd", 4))
- cmaj = 151, p += 4;
- else if (!strncmp(p, "ar", 2)) /* ATA RAID */
- cmaj = 157, p += 2;
- else if (!strncmp(p, "da", 2)) /* CAM support */
- cmaj = 13, p += 2;
- else {
- msgDebug("MakeDev: Unknown major/minor for devtype %s\n", p);
- return 0;
- }
- if (!isdigit(*p)) {
- msgDebug("MakeDev: Invalid disk unit passed: %s\n", p);
- return 0;
- }
- unit = *p - '0';
- p++;
- if (!*p) {
- slice = 1;
- part = 2;
- goto done;
- }
- else if (isdigit(*p)) {
- unit *= 10;
- unit += (*p - '0');
+ else if (!strncmp(p, "wfd", 3))
+ cmaj = 87, p += 3;
+ else if (!strncmp(p, "afd", 3))
+ cmaj = 118, p += 3;
+ else if (!strncmp(p, "fla", 3))
+ cmaj = 102, p += 3;
+ else if (!strncmp(p, "idad", 4))
+ cmaj = 109, p += 4;
+ else if (!strncmp(p, "mlxd", 4))
+ cmaj = 131, p += 4;
+ else if (!strncmp(p, "amrd", 4))
+ cmaj = 133, p += 4;
+ else if (!strncmp(p, "twed", 4))
+ cmaj = 147, p += 4;
+ else if (!strncmp(p, "aacd", 4))
+ cmaj = 151, p += 4;
+ else if (!strncmp(p, "ar", 2)) /* ATA RAID */
+ cmaj = 157, p += 2;
+ else if (!strncmp(p, "da", 2)) /* CAM support */
+ cmaj = 13, p += 2;
+ else {
+ msgDebug("MakeDev: Unknown major/minor for devtype %s\n", p);
+ return 0;
+ }
+ if (!isdigit(*p)) {
+ msgDebug("MakeDev: Invalid disk unit passed: %s\n", p);
+ return 0;
+ }
+ unit = *p - '0';
p++;
- }
+ if (!*p) {
+ slice = 1;
+ part = 2;
+ goto done;
+ }
+ else if (isdigit(*p)) {
+ unit *= 10;
+ unit += (*p - '0');
+ p++;
+ }
#ifndef __alpha__
- if (*p != 's') {
- msgDebug("MakeDev: `%s' is not a valid slice delimiter\n", p);
- return 0;
- }
- p++;
- if (!isdigit(*p)) {
- msgDebug("MakeDev: `%s' is an invalid slice number\n", p);
- return 0;
- }
- slice = *p - '0';
- p++;
- if (isdigit(*p)) {
- slice *= 10;
- slice += (*p - '0');
+ if (*p != 's') {
+ msgDebug("MakeDev: `%s' is not a valid slice delimiter\n", p);
+ return 0;
+ }
+ p++;
+ if (!isdigit(*p)) {
+ msgDebug("MakeDev: `%s' is an invalid slice number\n", p);
+ return 0;
+ }
+ slice = *p - '0';
p++;
- }
- slice = slice + 1;
+ if (isdigit(*p)) {
+ slice *= 10;
+ slice += (*p - '0');
+ p++;
+ }
+ slice = slice + 1;
#else
- slice = 0;
+ slice = 0;
#endif
- if (!*p) {
- part = 2;
- if(c1->type == freebsd)
- sprintf(buf2, "%sc", c1->name);
- goto done;
- }
- if (*p < 'a' || *p > 'h') {
- msgDebug("MakeDev: `%s' is not a valid partition name.\n", p);
- return 0;
- }
- part = *p - 'a';
- done:
- if (isDebug())
- msgDebug("MakeDev: Unit %lu, Slice %lu, Part %lu\n", unit, slice, part);
- if (unit > 32)
- return 0;
- if (slice > 32)
- return 0;
- if ((pwd = getpwnam("root")) == NULL) {
- if (isDebug())
- msgDebug("MakeDev: Unable to lookup user \"root\", using 0.\n");
- owner = 0;
- } else {
- owner = pwd->pw_uid;
- }
- if ((grp = getgrnam("operator")) == NULL) {
+ if (!*p) {
+ part = 2;
+ if(c1->type == freebsd)
+ sprintf(buf2, "%sc", c1->name);
+ goto done;
+ }
+ if (*p < 'a' || *p > 'h') {
+ msgDebug("MakeDev: `%s' is not a valid partition name.\n", p);
+ return 0;
+ }
+ part = *p - 'a';
+ done:
if (isDebug())
- msgDebug("MakeDev: Unable to lookup group \"operator\", using 5.\n");
- group = 5;
- } else {
- group = grp->gr_gid;
- }
- min = unit * 8 + 65536 * slice + part;
- sprintf(buf, "%s/r%s", path, c1->name);
- unlink(buf);
- if (mknod(buf, S_IFCHR|0640, makedev(cmaj,min)) == -1) {
- msgDebug("mknod of %s returned failure status!\n", buf);
- return 0;
- }
- if (chown(buf, owner, group) == -1) {
- msgDebug("chown of %s returned failure status!\n", buf);
- return 0;
- }
- if (*buf2) {
- sprintf(buf, "%s/r%s", path, buf2);
+ msgDebug("MakeDev: Unit %lu, Slice %lu, Part %lu\n", unit, slice, part);
+ if (unit > 32)
+ return 0;
+ if (slice > 32)
+ return 0;
+ if ((pwd = getpwnam("root")) == NULL) {
+ if (isDebug())
+ msgDebug("MakeDev: Unable to lookup user \"root\", using 0.\n");
+ owner = 0;
+ } else {
+ owner = pwd->pw_uid;
+ }
+ if ((grp = getgrnam("operator")) == NULL) {
+ if (isDebug())
+ msgDebug("MakeDev: Unable to lookup group \"operator\", using 5.\n");
+ group = 5;
+ } else {
+ group = grp->gr_gid;
+ }
+ min = unit * 8 + 65536 * slice + part;
+ sprintf(buf, "%s/r%s", path, c1->name);
unlink(buf);
if (mknod(buf, S_IFCHR|0640, makedev(cmaj,min)) == -1) {
- msgDebug("mknod of %s returned failure status!\n", buf);
- return 0;
+ msgDebug("mknod of %s returned failure status!\n", buf);
+ return 0;
}
if (chown(buf, owner, group) == -1) {
- msgDebug("chown of %s returned failure status!\n", buf);
- return 0;
+ msgDebug("chown of %s returned failure status!\n", buf);
+ return 0;
}
- }
- sprintf(buf, "%s/%s", path, c1->name);
- unlink(buf);
- if (mknod(buf, S_IFCHR|0640, makedev(cmaj,min)) == -1) {
- msgDebug("mknod of %s returned failure status!\n", buf);
- return 0;
- }
- if (chown(buf, owner, group) == -1) {
- msgDebug("chown of %s returned failure status!\n", buf);
- return 0;
- }
- return 1;
+ if (*buf2) {
+ sprintf(buf, "%s/r%s", path, buf2);
+ unlink(buf);
+ if (mknod(buf, S_IFCHR|0640, makedev(cmaj,min)) == -1) {
+ msgDebug("mknod of %s returned failure status!\n", buf);
+ return 0;
+ }
+ if (chown(buf, owner, group) == -1) {
+ msgDebug("chown of %s returned failure status!\n", buf);
+ return 0;
+ }
+ }
+ sprintf(buf, "%s/%s", path, c1->name);
+ unlink(buf);
+ if (mknod(buf, S_IFCHR|0640, makedev(cmaj,min)) == -1) {
+ msgDebug("mknod of %s returned failure status!\n", buf);
+ return 0;
+ }
+ if (chown(buf, owner, group) == -1) {
+ msgDebug("chown of %s returned failure status!\n", buf);
+ return 0;
+ }
+ return 1;
}
int
MakeDevChunk(struct chunk *c1, const char *path)
{
- int i;
+ int i;
- i = MakeDev(c1, path);
- if (c1->next)
- MakeDevChunk(c1->next, path);
- if (c1->part)
- MakeDevChunk(c1->part, path);
- return i;
+ i = MakeDev(c1, path);
+ if (c1->next)
+ MakeDevChunk(c1->next, path);
+ if (c1->part)
+ MakeDevChunk(c1->part, path);
+ return i;
}
int
MakeDevDisk(struct disk *d, const char *path)
{
- return MakeDevChunk(d->chunks, path);
+ return MakeDevChunk(d->chunks, path);
}
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