diff options
Diffstat (limited to 'lib/libdisk/create_chunk.c')
-rw-r--r-- | lib/libdisk/create_chunk.c | 359 |
1 files changed, 0 insertions, 359 deletions
diff --git a/lib/libdisk/create_chunk.c b/lib/libdisk/create_chunk.c deleted file mode 100644 index 5981ac15e54c..000000000000 --- a/lib/libdisk/create_chunk.c +++ /dev/null @@ -1,359 +0,0 @@ -/* - * ---------------------------------------------------------------------------- - * "THE BEER-WARE LICENSE" (Revision 42): - * <phk@login.dknet.dk> wrote this file. As long as you retain this notice you - * can do whatever you want with this stuff. If we meet some day, and you think - * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp - * ---------------------------------------------------------------------------- - * - * $Id: create_chunk.c,v 1.21.2.5 1995/11/17 23:04:04 jkh Exp $ - * - */ - -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <string.h> -#include <ctype.h> -#include <fcntl.h> -#include <stdarg.h> -#include <sys/types.h> -#include <sys/disklabel.h> -#include <sys/diskslice.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <err.h> -#include "libdisk.h" - -/* Clone these two from sysinstall because we need our own copies - * due to link order problems with `crunch'. Feh! - */ -static int -isDebug() -{ - static int debug = 0; /* Allow debugger to tweak it */ - - return debug; -} - -/* Write something to the debugging port */ -static void -msgDebug(char *fmt, ...) -{ - va_list args; - char *dbg; - static int DebugFD = -1; - - if (DebugFD == -1) - DebugFD = open("/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)); -} - -void -Fixup_FreeBSD_Names(struct disk *d, struct chunk *c) -{ - struct chunk *c1, *c3; - int j; - - if (!strcmp(c->name, "X")) return; - - /* reset all names to "X" */ - for (c1 = c->part; c1 ; c1 = c1->next) { - c1->oname = c1->name; - c1->name = malloc(12); - if(!c1->name) err(1,"Malloc failed"); - 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 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: - } - - - /* 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 (c1 = c->part; c1 ; c1 = c1->next) { - free(c1->oname); - c1->oname = 0; - } -} - -void -Fixup_Extended_Names(struct disk *d, struct chunk *c) -{ - 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) err(1,"malloc failed"); - sprintf(c1->name,"%ss%d",d->chunks->name,j++); - if (c1->type == freebsd) - Fixup_FreeBSD_Names(d,c1); - } -} - -void -Fixup_Names(struct disk *d) -{ - struct chunk *c1, *c2, *c3; - int i,j; - - 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; - c2->oname = malloc(12); - if(!c2->oname) err(1,"malloc failed"); - 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); - } - 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); - if (c2->type == extended) - Fixup_Extended_Names(d,c2); - } -} - -int -Create_Chunk(struct disk *d, u_long offset, u_long size, chunk_e type, int subtype, u_long flags) -{ - int i; - u_long l; - - if(!(flags & CHUNK_FORCE_ALL)) - { - /* Never use the first track */ - if (!offset) { - offset += d->bios_sect; - size -= d->bios_sect; - } - - /* Always end on cylinder boundary */ - l = (offset+size) % (d->bios_sect * d->bios_hd); - size -= l; - } - - i = Add_Chunk(d,offset,size,"X",type,subtype,flags); - 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,edge; - - 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; - } - warn("Not enough unused space"); - return 0; - found: - if (parent->flags & CHUNK_BAD144) { - edge = c1->end - d->bios_sect - 127; - if (offset > edge) - return 0; - if (offset + size > edge) - size = edge - offset + 1; - } - i = Add_Chunk(d,offset,size,"X",type,subtype,flags); - if (i) { - warn("Didn't cut it"); - return 0; - } - Fixup_Names(d); - for (c1=parent->part; c1 ; c1 = c1->next) - if (c1->offset == offset) - return c1; - err(1,"Serious internal trouble"); -} - -int -MakeDev(struct chunk *c1, char *path) -{ - char *p = c1->name; - u_long cmaj, bmaj, min, unit, part, slice; - char buf[BUFSIZ], buf2[BUFSIZ]; - - *buf2 = '\0'; - if (isDebug()) - msgDebug("MakeDev: Called with %s on path %s\n", p, path); - if (!strcmp(p, "X")) - return 0; - - if (!strncmp(p, "wd", 2)) - bmaj = 0, cmaj = 3; - else if (!strncmp(p, "sd", 2)) - bmaj = 4, cmaj = 13; - else { - return 0; - } - p += 2; - 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++; - } - 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'); - p++; - } - slice = slice + 1; - 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 %d, Slice %d, Part %d\n", unit, slice, part); - if (unit > 32) - return 0; - if (slice > 32) - return 0; - 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 (*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; - } - } - sprintf(buf, "%s/%s", path, c1->name); - unlink(buf); - if (mknod(buf, S_IFBLK|0640, makedev(bmaj,min)) == -1) { - msgDebug("mknod of %s returned failure status!\n", buf); - return 0; - } - return 1; -} - -int -MakeDevChunk(struct chunk *c1, char *path) -{ - int 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, char *path) -{ - return MakeDevChunk(d->chunks, path); -} |