File: | src/sbin/disklabel/editor.c |
Warning: | line 1655, column 2 Value stored to 'frag' is never read |
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1 | /* $OpenBSD: editor.c,v 1.417 2023/09/06 12:45:19 robert Exp $ */ |
2 | |
3 | /* |
4 | * Copyright (c) 1997-2000 Todd C. Miller <millert@openbsd.org> |
5 | * |
6 | * Permission to use, copy, modify, and distribute this software for any |
7 | * purpose with or without fee is hereby granted, provided that the above |
8 | * copyright notice and this permission notice appear in all copies. |
9 | * |
10 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
11 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
12 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
13 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
14 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
15 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
16 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
17 | */ |
18 | |
19 | #include <sys/param.h> /* MAXBSIZE DEV_BSIZE */ |
20 | #include <sys/types.h> |
21 | #include <sys/signal.h> |
22 | #include <sys/stat.h> |
23 | #include <sys/ioctl.h> |
24 | #include <sys/dkio.h> |
25 | #include <sys/sysctl.h> |
26 | #define DKTYPENAMES |
27 | #include <sys/disklabel.h> |
28 | |
29 | #include <ufs/ffs/fs.h> |
30 | |
31 | #include <ctype.h> |
32 | #include <err.h> |
33 | #include <errno(*__errno()).h> |
34 | #include <string.h> |
35 | #include <libgen.h> |
36 | #include <stdint.h> |
37 | #include <stdio.h> |
38 | #include <stdlib.h> |
39 | #include <unistd.h> |
40 | #include <limits.h> |
41 | |
42 | #include "extern.h" |
43 | #include "pathnames.h" |
44 | |
45 | #define ROUNDUP(_s, _a)((((_s) + (_a) - 1) / (_a)) * (_a)) ((((_s) + (_a) - 1) / (_a)) * (_a)) |
46 | #define ROUNDDOWN(_s, _a)(((_s) / (_a)) * (_a)) (((_s) / (_a)) * (_a)) |
47 | #define CHUNKSZ(_c)((_c)->stop - (_c)->start) ((_c)->stop - (_c)->start) |
48 | |
49 | /* flags for getuint64() */ |
50 | #define DO_CONVERSIONS0x00000001 0x00000001 |
51 | #define DO_ROUNDING0x00000002 0x00000002 |
52 | |
53 | /* flags for alignpartition() */ |
54 | #define ROUND_OFFSET_UP0x00000001 0x00000001 |
55 | #define ROUND_OFFSET_DOWN0x00000002 0x00000002 |
56 | #define ROUND_SIZE_UP0x00000004 0x00000004 |
57 | #define ROUND_SIZE_DOWN0x00000008 0x00000008 |
58 | #define ROUND_SIZE_OVERLAP0x00000010 0x00000010 |
59 | |
60 | /* Special return values for getnumber and getuint64() */ |
61 | #define CMD_ABORTED(0xffffffffffffffffULL - 1) (ULLONG_MAX0xffffffffffffffffULL - 1) |
62 | #define CMD_BADVALUE(0xffffffffffffffffULL) (ULLONG_MAX0xffffffffffffffffULL) |
63 | |
64 | /* structure to describe a portion of a disk */ |
65 | struct diskchunk { |
66 | u_int64_t start; |
67 | u_int64_t stop; |
68 | }; |
69 | |
70 | /* used when sorting mountpoints in mpsave() */ |
71 | struct mountinfo { |
72 | char *mountpoint; |
73 | int partno; |
74 | }; |
75 | |
76 | /* used when allocating all space according to recommendations */ |
77 | |
78 | struct space_allocation { |
79 | u_int64_t minsz; /* starts as blocks, xlated to sectors. */ |
80 | u_int64_t maxsz; /* starts as blocks, xlated to sectors. */ |
81 | int rate; /* % of extra space to use */ |
82 | char *mp; |
83 | }; |
84 | |
85 | /* |
86 | * NOTE! Changing partition sizes in the space_allocation tables |
87 | * requires corresponding updates to the *.ok files in |
88 | * /usr/src/regress/sbin/disklabel. |
89 | */ |
90 | |
91 | /* entries for swap and var are changed by editor_allocspace() */ |
92 | struct space_allocation alloc_big[] = { |
93 | { MEG(150)((150) * 1024LL * (1024 / (1 << 9))), GIG(1)(((1) * 1024LL * (1024 / (1 << 9))) * 1024LL), 5, "/" }, |
94 | { MEG(80)((80) * 1024LL * (1024 / (1 << 9))), MEG(256)((256) * 1024LL * (1024 / (1 << 9))), 10, "swap" }, |
95 | { MEG(120)((120) * 1024LL * (1024 / (1 << 9))), GIG(4)(((4) * 1024LL * (1024 / (1 << 9))) * 1024LL), 8, "/tmp" }, |
96 | { MEG(80)((80) * 1024LL * (1024 / (1 << 9))), GIG(4)(((4) * 1024LL * (1024 / (1 << 9))) * 1024LL), 13, "/var" }, |
97 | { MEG(1500)((1500) * 1024LL * (1024 / (1 << 9))), GIG(30)(((30) * 1024LL * (1024 / (1 << 9))) * 1024LL), 10, "/usr" }, |
98 | { MEG(384)((384) * 1024LL * (1024 / (1 << 9))), GIG(1)(((1) * 1024LL * (1024 / (1 << 9))) * 1024LL), 3, "/usr/X11R6" }, |
99 | { GIG(1)(((1) * 1024LL * (1024 / (1 << 9))) * 1024LL), GIG(20)(((20) * 1024LL * (1024 / (1 << 9))) * 1024LL), 15, "/usr/local" }, |
100 | { MEG(1500)((1500) * 1024LL * (1024 / (1 << 9))), GIG(3)(((3) * 1024LL * (1024 / (1 << 9))) * 1024LL), 2, "/usr/src" }, |
101 | { GIG(5)(((5) * 1024LL * (1024 / (1 << 9))) * 1024LL), GIG(6)(((6) * 1024LL * (1024 / (1 << 9))) * 1024LL), 4, "/usr/obj" }, |
102 | { GIG(1)(((1) * 1024LL * (1024 / (1 << 9))) * 1024LL), GIG(300)(((300) * 1024LL * (1024 / (1 << 9))) * 1024LL), 30, "/home" } |
103 | /* Anything beyond this leave for the user to decide */ |
104 | }; |
105 | |
106 | struct space_allocation alloc_medium[] = { |
107 | { MEG(800)((800) * 1024LL * (1024 / (1 << 9))), GIG(2)(((2) * 1024LL * (1024 / (1 << 9))) * 1024LL), 5, "/" }, |
108 | { MEG(80)((80) * 1024LL * (1024 / (1 << 9))), MEG(256)((256) * 1024LL * (1024 / (1 << 9))), 10, "swap" }, |
109 | { MEG(1300)((1300) * 1024LL * (1024 / (1 << 9))), GIG(3)(((3) * 1024LL * (1024 / (1 << 9))) * 1024LL), 78, "/usr" }, |
110 | { MEG(256)((256) * 1024LL * (1024 / (1 << 9))), GIG(2)(((2) * 1024LL * (1024 / (1 << 9))) * 1024LL), 7, "/home" } |
111 | }; |
112 | |
113 | struct space_allocation alloc_small[] = { |
114 | { MEG(700)((700) * 1024LL * (1024 / (1 << 9))), GIG(4)(((4) * 1024LL * (1024 / (1 << 9))) * 1024LL), 95, "/" }, |
115 | { MEG(1)((1) * 1024LL * (1024 / (1 << 9))), MEG(256)((256) * 1024LL * (1024 / (1 << 9))), 5, "swap" } |
116 | }; |
117 | |
118 | struct space_allocation alloc_stupid[] = { |
119 | { MEG(1)((1) * 1024LL * (1024 / (1 << 9))), MEG(2048)((2048) * 1024LL * (1024 / (1 << 9))), 100, "/" } |
120 | }; |
121 | |
122 | #ifndef nitems |
123 | #define nitems(_a)(sizeof((_a)) / sizeof((_a)[0])) (sizeof((_a)) / sizeof((_a)[0])) |
124 | #endif |
125 | |
126 | struct alloc_table { |
127 | struct space_allocation *table; |
128 | int sz; |
129 | }; |
130 | |
131 | struct alloc_table alloc_table_default[] = { |
132 | { alloc_big, nitems(alloc_big)(sizeof((alloc_big)) / sizeof((alloc_big)[0])) }, |
133 | { alloc_medium, nitems(alloc_medium)(sizeof((alloc_medium)) / sizeof((alloc_medium)[0])) }, |
134 | { alloc_small, nitems(alloc_small)(sizeof((alloc_small)) / sizeof((alloc_small)[0])) }, |
135 | { alloc_stupid, nitems(alloc_stupid)(sizeof((alloc_stupid)) / sizeof((alloc_stupid)[0])) } |
136 | }; |
137 | struct alloc_table *alloc_table = alloc_table_default; |
138 | int alloc_table_nitems = 4; |
139 | |
140 | void edit_packname(struct disklabel *); |
141 | void editor_resize(struct disklabel *, const char *); |
142 | void editor_add(struct disklabel *, const char *); |
143 | void editor_change(struct disklabel *, const char *); |
144 | u_int64_t editor_countfree(const struct disklabel *); |
145 | void editor_delete(struct disklabel *, const char *); |
146 | void editor_help(void); |
147 | void editor_modify(struct disklabel *, const char *); |
148 | void editor_name(const struct disklabel *, const char *); |
149 | char *getstring(const char *, const char *, const char *); |
150 | u_int64_t getuint64(const struct disklabel *, char *, char *, u_int64_t, |
151 | u_int64_t, int *); |
152 | u_int64_t getnumber(const char *, const char *, u_int32_t, u_int32_t); |
153 | int getpartno(const struct disklabel *, const char *, const char *); |
154 | int has_overlap(struct disklabel *); |
155 | int partition_cmp(const void *, const void *); |
156 | const struct partition **sort_partitions(const struct disklabel *, int); |
157 | void find_bounds(const struct disklabel *); |
158 | void set_bounds(struct disklabel *); |
159 | void set_duid(struct disklabel *); |
160 | int set_fragblock(struct disklabel *, int); |
161 | const struct diskchunk *free_chunks(const struct disklabel *, int); |
162 | int micmp(const void *, const void *); |
163 | int mpequal(char **, char **); |
164 | int get_fstype(struct disklabel *, int); |
165 | int get_mp(const struct disklabel *, int); |
166 | int get_offset(struct disklabel *, int); |
167 | int get_size(struct disklabel *, int); |
168 | void zero_partitions(struct disklabel *); |
169 | u_int64_t max_partition_size(const struct disklabel *, int); |
170 | void display_edit(const struct disklabel *, char); |
171 | void psize(u_int64_t sz, char unit, const struct disklabel *lp); |
172 | char *get_token(char **); |
173 | int apply_unit(double, u_char, u_int64_t *); |
174 | int parse_sizespec(const char *, double *, char **); |
175 | int parse_sizerange(char *, u_int64_t *, u_int64_t *); |
176 | int parse_pct(char *, int *); |
177 | int alignpartition(struct disklabel *, int, u_int64_t, u_int64_t, int); |
178 | int allocate_space(struct disklabel *, const struct alloc_table *); |
179 | void allocate_physmemincr(struct space_allocation *); |
180 | int allocate_partition(struct disklabel *, struct space_allocation *); |
181 | const struct diskchunk *allocate_diskchunk(const struct disklabel *, |
182 | const struct space_allocation *); |
183 | |
184 | static u_int64_t starting_sector; |
185 | static u_int64_t ending_sector; |
186 | static int resizeok; |
187 | |
188 | /* |
189 | * Simple partition editor. |
190 | */ |
191 | int |
192 | editor(int f) |
193 | { |
194 | struct disklabel origlabel, lastlabel, tmplabel, newlab = lab; |
195 | struct partition *pp; |
196 | FILE *fp; |
197 | char buf[BUFSIZ1024], *cmd, *arg; |
198 | char **omountpoints = NULL((void *)0); |
199 | char **origmountpoints = NULL((void *)0), **tmpmountpoints = NULL((void *)0); |
200 | int i, error = 0; |
201 | |
202 | /* Alloc and init mount point info */ |
203 | if (!(omountpoints = calloc(MAXPARTITIONS16, sizeof(char *))) || |
204 | !(origmountpoints = calloc(MAXPARTITIONS16, sizeof(char *))) || |
205 | !(tmpmountpoints = calloc(MAXPARTITIONS16, sizeof(char *)))) |
206 | err(1, NULL((void *)0)); |
207 | |
208 | /* How big is the OpenBSD portion of the disk? */ |
209 | find_bounds(&newlab); |
210 | |
211 | /* Make sure there is no partition overlap. */ |
212 | if (has_overlap(&newlab)) |
213 | errx(1, "can't run when there is partition overlap."); |
214 | |
215 | /* If we don't have a 'c' partition, create one. */ |
216 | pp = &newlab.d_partitions[RAW_PART2]; |
217 | if (newlab.d_npartitions <= RAW_PART2 || DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size) == 0) { |
218 | puts("No 'c' partition found, adding one that spans the disk."); |
219 | if (newlab.d_npartitions <= RAW_PART2) |
220 | newlab.d_npartitions = RAW_PART2 + 1; |
221 | DL_SETPOFFSET(pp, 0)do { u_int64_t __x = (0); (pp)->p_offseth = __x >> 32 ; (pp)->p_offset = __x; } while (0); |
222 | DL_SETPSIZE(pp, DL_GETDSIZE(&newlab))do { u_int64_t __x = ((((u_int64_t)(&newlab)->d_secperunith << 32) + (&newlab)->d_secperunit)); (pp)->p_sizeh = __x >> 32; (pp)->p_size = __x; } while (0); |
223 | pp->p_fstype = FS_UNUSED0; |
224 | pp->p_fragblock = pp->p_cpg = 0; |
225 | } |
226 | |
227 | #ifdef SUN_CYLCHECK |
228 | if ((newlab.d_flags & D_VENDOR0x08) && !quiet) { |
229 | puts("This platform requires that partition offsets/sizes " |
230 | "be on cylinder boundaries.\n" |
231 | "Partition offsets/sizes will be rounded to the " |
232 | "nearest cylinder automatically."); |
233 | } |
234 | #endif |
235 | |
236 | /* Save the (U|u)ndo labels and mountpoints. */ |
237 | mpcopy(origmountpoints, mountpoints); |
238 | origlabel = newlab; |
239 | lastlabel = newlab; |
240 | |
241 | puts("Label editor (enter '?' for help at any prompt)"); |
242 | for (;;) { |
243 | fprintf(stdout(&__sF[1]), "%s%s> ", dkname, |
244 | (memcmp(&lab, &newlab, sizeof(newlab)) == 0) ? "" : "*"); |
245 | if (fgets(buf, sizeof(buf), stdin(&__sF[0])) == NULL((void *)0)) { |
246 | putchar('\n')(!__isthreaded ? __sputc('\n', (&__sF[1])) : (putc)('\n', (&__sF[1]))); |
247 | buf[0] = 'q'; |
248 | buf[1] = '\0'; |
249 | } |
250 | if ((cmd = strtok(buf, " \t\r\n")) == NULL((void *)0)) |
251 | continue; |
252 | arg = strtok(NULL((void *)0), " \t\r\n"); |
253 | |
254 | if ((*cmd != 'u') && (*cmd != 'U')) { |
255 | /* |
256 | * Save undo info in case the command tries to make |
257 | * changes but decides not to. |
258 | */ |
259 | tmplabel = lastlabel; |
260 | lastlabel = newlab; |
261 | mpcopy(tmpmountpoints, omountpoints); |
262 | mpcopy(omountpoints, mountpoints); |
263 | } |
264 | |
265 | switch (*cmd) { |
266 | case '?': |
267 | case 'h': |
268 | editor_help(); |
269 | break; |
270 | |
271 | case 'A': |
272 | if (ioctl(f, DIOCGPDINFO((unsigned long)0x40000000 | ((sizeof(struct disklabel) & 0x1fff) << 16) | ((('d')) << 8) | ((114))), &newlab) == -1) { |
273 | warn("DIOCGPDINFO"); |
274 | newlab = lastlabel; |
275 | } else { |
276 | int oquiet = quiet; |
277 | aflag = 1; |
278 | quiet = 0; |
279 | editor_allocspace(&newlab); |
280 | quiet = oquiet; |
281 | } |
282 | break; |
283 | case 'a': |
284 | editor_add(&newlab, arg); |
285 | break; |
286 | |
287 | case 'b': |
288 | set_bounds(&newlab); |
289 | break; |
290 | |
291 | case 'c': |
292 | editor_change(&newlab, arg); |
293 | break; |
294 | |
295 | case 'D': |
296 | if (ioctl(f, DIOCGPDINFO((unsigned long)0x40000000 | ((sizeof(struct disklabel) & 0x1fff) << 16) | ((('d')) << 8) | ((114))), &newlab) == -1) |
297 | warn("DIOCGPDINFO"); |
298 | else { |
299 | dflag = 1; |
300 | for (i = 0; i < MAXPARTITIONS16; i++) { |
301 | free(mountpoints[i]); |
302 | mountpoints[i] = NULL((void *)0); |
303 | } |
304 | } |
305 | break; |
306 | |
307 | case 'd': |
308 | editor_delete(&newlab, arg); |
309 | break; |
310 | |
311 | case 'e': |
312 | edit_packname(&newlab); |
313 | break; |
314 | |
315 | case 'i': |
316 | set_duid(&newlab); |
317 | break; |
318 | |
319 | case 'm': |
320 | editor_modify(&newlab, arg); |
321 | break; |
322 | |
323 | case 'n': |
324 | if (!fstabfile) { |
325 | fputs("This option is not valid when run " |
326 | "without the -F or -f flags.\n", stderr(&__sF[2])); |
327 | break; |
328 | } |
329 | editor_name(&newlab, arg); |
330 | break; |
331 | |
332 | case 'p': |
333 | display_edit(&newlab, arg ? *arg : 0); |
334 | break; |
335 | |
336 | case 'l': |
337 | display(stdout(&__sF[1]), &newlab, arg ? *arg : 0, 0); |
338 | break; |
339 | |
340 | case 'M': { |
341 | sig_t opipe = signal(SIGPIPE13, SIG_IGN(void (*)(int))1); |
342 | char *pager, *comm = NULL((void *)0); |
343 | extern const u_char manpage[]; |
344 | extern const int manpage_sz; |
345 | |
346 | if ((pager = getenv("PAGER")) == NULL((void *)0) || *pager == '\0') |
347 | pager = _PATH_LESS"/usr/bin/less"; |
348 | |
349 | if (asprintf(&comm, "gunzip -qc|%s", pager) != -1 && |
350 | (fp = popen(comm, "w")) != NULL((void *)0)) { |
351 | (void) fwrite(manpage, manpage_sz, 1, fp); |
352 | pclose(fp); |
353 | } else |
354 | warn("unable to execute %s", pager); |
355 | |
356 | free(comm); |
357 | (void)signal(SIGPIPE13, opipe); |
358 | break; |
359 | } |
360 | |
361 | case 'q': |
362 | if (donothing) { |
363 | puts("In no change mode, not writing label."); |
364 | goto done; |
365 | } |
366 | |
367 | /* |
368 | * If we haven't changed the original label, and it |
369 | * wasn't a default label or an auto-allocated label, |
370 | * there is no need to do anything before exiting. Note |
371 | * that 'w' will reset dflag and aflag to allow 'q' to |
372 | * exit without further questions. |
373 | */ |
374 | if (!dflag && !aflag && |
375 | memcmp(&lab, &newlab, sizeof(newlab)) == 0) { |
376 | puts("No label changes."); |
377 | /* Save mountpoint info. */ |
378 | mpsave(&newlab); |
379 | goto done; |
380 | } |
381 | do { |
382 | arg = getstring("Write new label?", |
383 | "Write the modified label to disk?", |
384 | "y"); |
385 | } while (arg && tolower((unsigned char)*arg) != 'y' && |
386 | tolower((unsigned char)*arg) != 'n'); |
387 | if (arg && tolower((unsigned char)*arg) == 'y') { |
388 | if (writelabel(f, &newlab) == 0) { |
389 | newlab = lab; /* lab now has UID info */ |
390 | goto done; |
391 | } |
392 | warnx("unable to write label"); |
393 | } |
394 | error = 1; |
395 | goto done; |
396 | /* NOTREACHED */ |
397 | break; |
398 | |
399 | case 'R': |
400 | if (aflag && resizeok) |
401 | editor_resize(&newlab, arg); |
402 | else |
403 | fputs("Resize only implemented for auto " |
404 | "allocated labels\n", stderr(&__sF[2])); |
405 | break; |
406 | |
407 | case 'r': { |
408 | const struct diskchunk *chunk; |
409 | uint64_t total = 0; |
410 | /* Display free space. */ |
411 | chunk = free_chunks(&newlab, -1); |
412 | for (; chunk->start != 0 || chunk->stop != 0; chunk++) { |
413 | total += CHUNKSZ(chunk)((chunk)->stop - (chunk)->start); |
414 | fprintf(stderr(&__sF[2]), "Free sectors: %16llu - %16llu " |
415 | "(%16llu)\n", |
416 | chunk->start, chunk->stop - 1, |
417 | CHUNKSZ(chunk)((chunk)->stop - (chunk)->start)); |
418 | } |
419 | fprintf(stderr(&__sF[2]), "Total free sectors: %llu.\n", total); |
420 | break; |
421 | } |
422 | |
423 | case 's': |
424 | if (arg == NULL((void *)0)) { |
425 | arg = getstring("Filename", |
426 | "Name of the file to save label into.", |
427 | NULL((void *)0)); |
428 | if (arg == NULL((void *)0) || *arg == '\0') |
429 | break; |
430 | } |
431 | if ((fp = fopen(arg, "w")) == NULL((void *)0)) { |
432 | warn("cannot open %s", arg); |
433 | } else { |
434 | display(fp, &newlab, 0, 1); |
435 | (void)fclose(fp); |
436 | } |
437 | break; |
438 | |
439 | case 'U': |
440 | /* |
441 | * If we allow 'U' repeatedly, information would be |
442 | * lost. This way multiple 'U's followed by 'u' will |
443 | * undo the 'U's. |
444 | */ |
445 | if (memcmp(&newlab, &origlabel, sizeof(newlab)) || |
446 | !mpequal(mountpoints, origmountpoints)) { |
447 | tmplabel = newlab; |
448 | newlab = origlabel; |
449 | lastlabel = tmplabel; |
450 | mpcopy(tmpmountpoints, mountpoints); |
451 | mpcopy(mountpoints, origmountpoints); |
452 | mpcopy(omountpoints, tmpmountpoints); |
453 | } |
454 | puts("Original label and mount points restored."); |
455 | break; |
456 | |
457 | case 'u': |
458 | tmplabel = newlab; |
459 | newlab = lastlabel; |
460 | lastlabel = tmplabel; |
461 | mpcopy(tmpmountpoints, mountpoints); |
462 | mpcopy(mountpoints, omountpoints); |
463 | mpcopy(omountpoints, tmpmountpoints); |
464 | puts("Last change undone."); |
465 | break; |
466 | |
467 | case 'w': |
468 | if (donothing) { |
469 | puts("In no change mode, not writing label."); |
470 | break; |
471 | } |
472 | |
473 | /* Write label to disk. */ |
474 | if (writelabel(f, &newlab) != 0) |
475 | warnx("unable to write label"); |
476 | else { |
477 | dflag = aflag = 0; |
478 | newlab = lab; /* lab now has UID info */ |
479 | } |
480 | break; |
481 | |
482 | case 'x': |
483 | goto done; |
484 | break; |
485 | |
486 | case 'z': |
487 | zero_partitions(&newlab); |
488 | break; |
489 | |
490 | case '\n': |
491 | break; |
492 | |
493 | default: |
494 | printf("Unknown option: %c ('?' for help)\n", *cmd); |
495 | break; |
496 | } |
497 | |
498 | /* |
499 | * If no changes were made to label or mountpoints, then |
500 | * restore undo info. |
501 | */ |
502 | if (memcmp(&newlab, &lastlabel, sizeof(newlab)) == 0 && |
503 | (mpequal(mountpoints, omountpoints))) { |
504 | lastlabel = tmplabel; |
505 | mpcopy(omountpoints, tmpmountpoints); |
506 | } |
507 | } |
508 | done: |
509 | mpfree(omountpoints, DISCARD0); |
510 | mpfree(origmountpoints, DISCARD0); |
511 | mpfree(tmpmountpoints, DISCARD0); |
512 | return error; |
513 | } |
514 | |
515 | /* |
516 | * Allocate all disk space according to standard recommendations for a |
517 | * root disk. |
518 | */ |
519 | int |
520 | editor_allocspace(struct disklabel *lp_org) |
521 | { |
522 | struct disklabel label; |
523 | struct partition *pp; |
524 | u_int64_t pstart, pend; |
525 | int i; |
526 | |
527 | /* How big is the OpenBSD portion of the disk? */ |
528 | find_bounds(lp_org); |
529 | |
530 | resizeok = 1; |
531 | for (i = 0; i < MAXPARTITIONS16; i++) { |
532 | if (i == RAW_PART2) |
533 | continue; |
534 | pp = &lp_org->d_partitions[i]; |
535 | if (DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size) == 0 || pp->p_fstype == FS_UNUSED0) |
536 | continue; |
537 | pstart = DL_GETPOFFSET(pp)(((u_int64_t)(pp)->p_offseth << 32) + (pp)->p_offset ); |
538 | pend = pstart + DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size); |
539 | if (((pstart >= starting_sector && pstart < ending_sector) || |
540 | (pend > starting_sector && pend <= ending_sector))) |
541 | resizeok = 0; /* Part of OBSD area is in use! */ |
542 | } |
543 | |
544 | for (i = 0; i < alloc_table_nitems; i++) { |
545 | memcpy(&label, lp_org, sizeof(label)); |
546 | if (allocate_space(&label, &alloc_table[i]) == 0) { |
547 | memcpy(lp_org, &label, sizeof(struct disklabel)); |
548 | return 0; |
549 | } |
550 | } |
551 | |
552 | return 1; |
553 | } |
554 | |
555 | const struct diskchunk * |
556 | allocate_diskchunk(const struct disklabel *lp, |
557 | const struct space_allocation *sa) |
558 | { |
559 | const struct diskchunk *chunk; |
560 | static struct diskchunk largest; |
561 | uint64_t maxstop; |
562 | |
563 | largest.start = largest.stop = 0; |
564 | |
565 | chunk = free_chunks(lp, -1); |
566 | for (; chunk->start != 0 || chunk->stop != 0; chunk++) { |
567 | if (CHUNKSZ(chunk)((chunk)->stop - (chunk)->start) > CHUNKSZ(&largest)((&largest)->stop - (&largest)->start)) |
568 | largest = *chunk; |
569 | } |
570 | maxstop = largest.start + DL_BLKTOSEC(lp, sa->maxsz)((sa->maxsz) / ((lp)->d_secsize / (1 << 9))); |
571 | if (maxstop > largest.stop) |
572 | maxstop = largest.stop; |
573 | #ifdef SUN_CYLCHECK |
574 | if (lp->d_flags & D_VENDOR0x08) { |
575 | largest.start = ROUNDUP(largest.start, lp->d_secpercyl)((((largest.start) + (lp->d_secpercyl) - 1) / (lp->d_secpercyl )) * (lp->d_secpercyl)); |
576 | maxstop = ROUNDUP(maxstop, lp->d_secpercyl)((((maxstop) + (lp->d_secpercyl) - 1) / (lp->d_secpercyl )) * (lp->d_secpercyl)); |
577 | if (maxstop > largest.stop) |
578 | maxstop -= lp->d_secpercyl; |
579 | if (largest.start >= maxstop) |
580 | largest.start = largest.stop = maxstop = 0; |
581 | } |
582 | #endif |
583 | if (maxstop < largest.stop) |
584 | largest.stop = maxstop; |
585 | if (CHUNKSZ(&largest)((&largest)->stop - (&largest)->start) < DL_BLKTOSEC(lp, sa->minsz)((sa->minsz) / ((lp)->d_secsize / (1 << 9)))) |
586 | return NULL((void *)0); |
587 | |
588 | return &largest; |
589 | } |
590 | |
591 | int |
592 | allocate_partition(struct disklabel *lp, struct space_allocation *sa) |
593 | { |
594 | const struct diskchunk *chunk; |
595 | struct partition *pp; |
596 | unsigned int partno; |
597 | |
598 | for (partno = 0; partno < nitems(lp->d_partitions)(sizeof((lp->d_partitions)) / sizeof((lp->d_partitions) [0])); partno++) { |
599 | if (partno == RAW_PART2) |
600 | continue; |
601 | pp = &lp->d_partitions[partno]; |
602 | if (DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size) == 0 || pp->p_fstype == FS_UNUSED0) |
603 | break; |
604 | } |
605 | if (partno >= nitems(lp->d_partitions)(sizeof((lp->d_partitions)) / sizeof((lp->d_partitions) [0]))) |
606 | return 1; /* No free partition. */ |
607 | |
608 | /* Find appropriate chunk of free space. */ |
609 | chunk = allocate_diskchunk(lp, sa); |
610 | if (chunk == NULL((void *)0)) |
611 | return 1; |
612 | |
613 | if (strcasecmp(sa->mp, "raid") == 0) |
614 | pp->p_fstype = FS_RAID19; |
615 | else if (strcasecmp(sa->mp, "swap") == 0) |
616 | pp->p_fstype = FS_SWAP1; |
617 | else if (sa->mp[0] == '/') |
618 | pp->p_fstype = FS_BSDFFS7; |
619 | else |
620 | return 1; |
621 | |
622 | DL_SETPSIZE(pp, chunk->stop - chunk->start)do { u_int64_t __x = (chunk->stop - chunk->start); (pp) ->p_sizeh = __x >> 32; (pp)->p_size = __x; } while (0); |
623 | DL_SETPOFFSET(pp, chunk->start)do { u_int64_t __x = (chunk->start); (pp)->p_offseth = __x >> 32; (pp)->p_offset = __x; } while (0); |
624 | |
625 | if (pp->p_fstype == FS_BSDFFS7 && DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size) > 0) { |
626 | mountpoints[partno] = strdup(sa->mp); |
627 | if (mountpoints[partno] == NULL((void *)0)) |
628 | err(1, NULL((void *)0)); |
629 | if (set_fragblock(lp, partno)) |
630 | return 1; |
631 | } |
632 | |
633 | return 0; |
634 | } |
635 | |
636 | void |
637 | allocate_physmemincr(struct space_allocation *sa) |
638 | { |
639 | u_int64_t memblks; |
640 | extern int64_t physmem; |
641 | |
642 | if (physmem == 0) |
643 | return; |
644 | |
645 | memblks = physmem / DEV_BSIZE(1 << 9); |
646 | if (strcasecmp(sa->mp, "swap") == 0) { |
647 | if (memblks < MEG(256)((256) * 1024LL * (1024 / (1 << 9)))) |
648 | sa->minsz = sa->maxsz = 2 * memblks; |
649 | else |
650 | sa->maxsz += memblks; |
651 | } else if (strcasecmp(sa->mp, "/var") == 0) { |
652 | sa->maxsz += 2 * memblks; |
653 | } |
654 | } |
655 | |
656 | int |
657 | allocate_space(struct disklabel *lp, const struct alloc_table *alloc_table) |
658 | { |
659 | struct space_allocation sa[MAXPARTITIONS16]; |
660 | u_int64_t maxsz, xtrablks; |
661 | int i; |
662 | |
663 | xtrablks = DL_SECTOBLK(lp, editor_countfree(lp))((editor_countfree(lp)) * ((lp)->d_secsize / (1 << 9 ))); |
664 | memset(sa, 0, sizeof(sa)); |
665 | for (i = 0; i < alloc_table->sz; i++) { |
666 | sa[i] = alloc_table->table[i]; |
667 | if (alloc_table->table == alloc_big) |
668 | allocate_physmemincr(&sa[i]); |
669 | if (xtrablks < sa[i].minsz) |
670 | return 1; /* Too few free blocks. */ |
671 | xtrablks -= sa[i].minsz; |
672 | } |
673 | sa[alloc_table->sz - 1].rate = 100; /* Last allocation is greedy. */ |
674 | |
675 | for (i = lp->d_npartitions; i < MAXPARTITIONS16; i++) { |
676 | if (i == RAW_PART2) |
677 | continue; |
678 | memset(&lp->d_partitions[i], 0, sizeof(lp->d_partitions[i])); |
679 | } |
680 | lp->d_npartitions = MAXPARTITIONS16; |
681 | |
682 | mpfree(mountpoints, KEEP1); |
683 | for (i = 0; i < alloc_table->sz; i++) { |
684 | if (sa[i].rate == 100) |
685 | maxsz = sa[i].minsz + xtrablks; |
686 | else |
687 | maxsz = sa[i].minsz + (xtrablks / 100) * sa[i].rate; |
688 | if (maxsz < sa[i].maxsz) |
689 | sa[i].maxsz = maxsz; |
690 | if (allocate_partition(lp, &sa[i])) { |
691 | mpfree(mountpoints, KEEP1); |
692 | return 1; |
693 | } |
694 | } |
695 | |
696 | return 0; |
697 | } |
698 | |
699 | /* |
700 | * Resize a partition, moving all subsequent partitions |
701 | */ |
702 | void |
703 | editor_resize(struct disklabel *lp, const char *p) |
704 | { |
705 | struct disklabel label; |
706 | struct partition *pp, *prev; |
707 | u_int64_t ui, sz, off; |
708 | int partno, i, flags, shrunk; |
709 | |
710 | label = *lp; |
711 | |
712 | if ((partno = getpartno(&label, p, "resize")) == -1) |
713 | return; |
714 | |
715 | pp = &label.d_partitions[partno]; |
716 | sz = DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size); |
717 | if (pp->p_fstype != FS_BSDFFS7 && pp->p_fstype != FS_SWAP1) { |
718 | fputs("Cannot resize spoofed partition\n", stderr(&__sF[2])); |
719 | return; |
720 | } |
721 | flags = DO_CONVERSIONS0x00000001; |
722 | ui = getuint64(lp, "[+|-]new size (with unit)", |
723 | "new size or amount to grow (+) or shrink (-) partition including " |
724 | "unit", sz, sz + editor_countfree(lp), &flags); |
725 | |
726 | if (ui == CMD_ABORTED(0xffffffffffffffffULL - 1)) |
727 | return; |
728 | else if (ui == CMD_BADVALUE(0xffffffffffffffffULL)) |
729 | return; |
730 | else if (ui == 0) { |
731 | fputs("The size must be > 0 sectors\n", stderr(&__sF[2])); |
732 | return; |
733 | } |
734 | |
735 | #ifdef SUN_CYLCHECK |
736 | if (lp->d_flags & D_VENDOR0x08) |
737 | ui = ROUNDUP(ui, lp->d_secpercyl)((((ui) + (lp->d_secpercyl) - 1) / (lp->d_secpercyl)) * (lp->d_secpercyl)); |
738 | #endif |
739 | if (DL_GETPOFFSET(pp)(((u_int64_t)(pp)->p_offseth << 32) + (pp)->p_offset ) + ui > ending_sector) { |
740 | fputs("Amount too big\n", stderr(&__sF[2])); |
741 | return; |
742 | } |
743 | |
744 | DL_SETPSIZE(pp, ui)do { u_int64_t __x = (ui); (pp)->p_sizeh = __x >> 32 ; (pp)->p_size = __x; } while (0); |
745 | pp->p_fragblock = 0; |
746 | if (set_fragblock(&label, partno) == 1) |
747 | return; |
748 | |
749 | /* |
750 | * Pack partitions above the resized partition, leaving unused |
751 | * partitions alone. |
752 | */ |
753 | shrunk = -1; |
754 | prev = pp; |
755 | for (i = partno + 1; i < MAXPARTITIONS16; i++) { |
756 | if (i == RAW_PART2) |
757 | continue; |
758 | pp = &label.d_partitions[i]; |
759 | if (pp->p_fstype != FS_BSDFFS7 && pp->p_fstype != FS_SWAP1) |
760 | continue; |
761 | sz = DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size); |
762 | if (sz == 0) |
763 | continue; |
764 | |
765 | off = DL_GETPOFFSET(prev)(((u_int64_t)(prev)->p_offseth << 32) + (prev)->p_offset ) + DL_GETPSIZE(prev)(((u_int64_t)(prev)->p_sizeh << 32) + (prev)->p_size ); |
766 | |
767 | if (off < ending_sector) { |
768 | DL_SETPOFFSET(pp, off)do { u_int64_t __x = (off); (pp)->p_offseth = __x >> 32; (pp)->p_offset = __x; } while (0); |
769 | if (off + DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size) > ending_sector) { |
770 | DL_SETPSIZE(pp, ending_sector - off)do { u_int64_t __x = (ending_sector - off); (pp)->p_sizeh = __x >> 32; (pp)->p_size = __x; } while (0); |
771 | pp->p_fragblock = 0; |
772 | if (set_fragblock(&label, i) == 1) |
773 | return; |
774 | shrunk = i; |
775 | } |
776 | } else { |
777 | fputs("Amount too big\n", stderr(&__sF[2])); |
778 | return; |
779 | } |
780 | prev = pp; |
781 | } |
782 | |
783 | if (shrunk != -1) |
784 | fprintf(stderr(&__sF[2]), "Partition %c shrunk to %llu sectors to make " |
785 | "room\n", 'a' + shrunk, |
786 | DL_GETPSIZE(&label.d_partitions[shrunk])(((u_int64_t)(&label.d_partitions[shrunk])->p_sizeh << 32) + (&label.d_partitions[shrunk])->p_size)); |
787 | *lp = label; |
788 | } |
789 | |
790 | /* |
791 | * Add a new partition. |
792 | */ |
793 | void |
794 | editor_add(struct disklabel *lp, const char *p) |
795 | { |
796 | struct partition *pp; |
797 | const struct diskchunk *chunk; |
798 | int partno; |
799 | u_int64_t new_offset, new_size; |
800 | |
801 | chunk = free_chunks(lp, -1); |
802 | new_size = new_offset = 0; |
803 | for (; chunk->start != 0 || chunk->stop != 0; chunk++) { |
804 | if (CHUNKSZ(chunk)((chunk)->stop - (chunk)->start) > new_size) { |
805 | new_size = CHUNKSZ(chunk)((chunk)->stop - (chunk)->start); |
806 | new_offset = chunk->start; |
807 | } |
808 | } |
809 | |
810 | #ifdef SUN_CYLCHECK |
811 | if ((lp->d_flags & D_VENDOR0x08) && new_size < lp->d_secpercyl) { |
812 | fputs("No space left, you need to shrink a partition " |
813 | "(need at least one full cylinder)\n", |
814 | stderr(&__sF[2])); |
815 | return; |
816 | } |
817 | #endif |
818 | if (new_size == 0) { |
819 | fputs("No space left, you need to shrink a partition\n", |
820 | stderr(&__sF[2])); |
821 | return; |
822 | } |
823 | |
824 | if ((partno = getpartno(lp, p, "add")) == -1) |
825 | return; |
826 | pp = &lp->d_partitions[partno]; |
827 | memset(pp, 0, sizeof(*pp)); |
828 | |
829 | /* |
830 | * Increase d_npartitions if necessary. Ensure all new partitions are |
831 | * zero'ed to avoid inadvertent overlaps. |
832 | */ |
833 | for(; lp->d_npartitions <= partno; lp->d_npartitions++) |
834 | memset(&lp->d_partitions[lp->d_npartitions], 0, sizeof(*pp)); |
835 | |
836 | DL_SETPSIZE(pp, new_size)do { u_int64_t __x = (new_size); (pp)->p_sizeh = __x >> 32; (pp)->p_size = __x; } while (0); |
837 | DL_SETPOFFSET(pp, new_offset)do { u_int64_t __x = (new_offset); (pp)->p_offseth = __x >> 32; (pp)->p_offset = __x; } while (0); |
838 | pp->p_fstype = partno == 1 ? FS_SWAP1 : FS_BSDFFS7; |
839 | |
840 | if (get_offset(lp, partno) == 0 && |
841 | get_size(lp, partno) == 0 && |
842 | get_fstype(lp, partno) == 0 && |
843 | get_mp(lp, partno) == 0 && |
844 | set_fragblock(lp, partno) == 0) |
845 | return; |
846 | |
847 | /* Bailed out at some point, so effectively delete the partition. */ |
848 | memset(pp, 0, sizeof(*pp)); |
849 | } |
850 | |
851 | /* |
852 | * Set the mountpoint of an existing partition ('name'). |
853 | */ |
854 | void |
855 | editor_name(const struct disklabel *lp, const char *p) |
856 | { |
857 | int partno; |
858 | |
859 | if ((partno = getpartno(lp, p, "name")) == -1) |
860 | return; |
861 | |
862 | get_mp(lp, partno); |
863 | } |
864 | |
865 | /* |
866 | * Change an existing partition. |
867 | */ |
868 | void |
869 | editor_modify(struct disklabel *lp, const char *p) |
870 | { |
871 | struct partition opp, *pp; |
872 | int partno; |
873 | |
874 | if ((partno = getpartno(lp, p, "modify")) == -1) |
875 | return; |
876 | |
877 | pp = &lp->d_partitions[partno]; |
878 | opp = *pp; |
879 | |
880 | if (get_offset(lp, partno) == 0 && |
881 | get_size(lp, partno) == 0 && |
882 | get_fstype(lp, partno) == 0 && |
883 | get_mp(lp, partno) == 0 && |
884 | set_fragblock(lp, partno) == 0) |
885 | return; |
886 | |
887 | /* Bailed out at some point, so undo any changes. */ |
888 | *pp = opp; |
889 | } |
890 | |
891 | /* |
892 | * Delete an existing partition. |
893 | */ |
894 | void |
895 | editor_delete(struct disklabel *lp, const char *p) |
896 | { |
897 | struct partition *pp; |
898 | int partno; |
899 | |
900 | if ((partno = getpartno(lp, p, "delete")) == -1) |
901 | return; |
902 | if (partno == lp->d_npartitions) { |
903 | zero_partitions(lp); |
904 | return; |
905 | } |
906 | pp = &lp->d_partitions[partno]; |
907 | |
908 | /* Really delete it (as opposed to just setting to "unused") */ |
909 | memset(pp, 0, sizeof(*pp)); |
910 | free(mountpoints[partno]); |
911 | mountpoints[partno] = NULL((void *)0); |
912 | } |
913 | |
914 | /* |
915 | * Change the size of an existing partition. |
916 | */ |
917 | void |
918 | editor_change(struct disklabel *lp, const char *p) |
919 | { |
920 | struct partition *pp; |
921 | int partno; |
922 | |
923 | if ((partno = getpartno(lp, p, "change size")) == -1) |
924 | return; |
925 | |
926 | pp = &lp->d_partitions[partno]; |
927 | printf("Partition %c is currently %llu sectors in size, and can have " |
928 | "a maximum\nsize of %llu sectors.\n", |
929 | 'a' + partno, DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size), max_partition_size(lp, partno)); |
930 | |
931 | /* Get new size */ |
932 | get_size(lp, partno); |
933 | } |
934 | |
935 | /* |
936 | * Sort the partitions based on starting offset. |
937 | * This assumes there can be no overlap. |
938 | */ |
939 | int |
940 | partition_cmp(const void *e1, const void *e2) |
941 | { |
942 | struct partition *p1 = *(struct partition **)e1; |
943 | struct partition *p2 = *(struct partition **)e2; |
944 | u_int64_t o1 = DL_GETPOFFSET(p1)(((u_int64_t)(p1)->p_offseth << 32) + (p1)->p_offset ); |
945 | u_int64_t o2 = DL_GETPOFFSET(p2)(((u_int64_t)(p2)->p_offseth << 32) + (p2)->p_offset ); |
946 | |
947 | if (o1 < o2) |
948 | return -1; |
949 | else if (o1 > o2) |
950 | return 1; |
951 | else |
952 | return 0; |
953 | } |
954 | |
955 | char * |
956 | getstring(const char *prompt, const char *helpstring, const char *oval) |
957 | { |
958 | static char buf[BUFSIZ1024]; |
959 | int n; |
960 | |
961 | buf[0] = '\0'; |
962 | do { |
963 | printf("%s: [%s] ", prompt, oval ? oval : ""); |
964 | if (fgets(buf, sizeof(buf), stdin(&__sF[0])) == NULL((void *)0)) { |
965 | buf[0] = '\0'; |
966 | if (feof(stdin)(!__isthreaded ? ((((&__sF[0]))->_flags & 0x0020) != 0) : (feof)((&__sF[0])))) { |
967 | clearerr(stdin)(!__isthreaded ? ((void)(((&__sF[0]))->_flags &= ~ (0x0040|0x0020))) : (clearerr)((&__sF[0]))); |
968 | putchar('\n')(!__isthreaded ? __sputc('\n', (&__sF[1])) : (putc)('\n', (&__sF[1]))); |
969 | fputs("Command aborted\n", stderr(&__sF[2])); |
970 | return NULL((void *)0); |
971 | } |
972 | } |
973 | n = strlen(buf); |
974 | if (n > 0 && buf[n-1] == '\n') |
975 | buf[--n] = '\0'; |
976 | if (buf[0] == '?') |
977 | puts(helpstring); |
978 | else if (oval != NULL((void *)0) && buf[0] == '\0') |
979 | strlcpy(buf, oval, sizeof(buf)); |
980 | } while (buf[0] == '?'); |
981 | |
982 | return &buf[0]; |
983 | } |
984 | |
985 | int |
986 | getpartno(const struct disklabel *lp, const char *p, const char *action) |
987 | { |
988 | char buf[2] = { '\0', '\0'}; |
989 | const char *promptfmt = "partition to %s"; |
990 | const char *helpfmt = "Partition must be between 'a' and '%c' " |
991 | "(excluding 'c')%s.\n"; |
992 | const struct partition *pp; |
993 | char *help = NULL((void *)0), *prompt = NULL((void *)0); |
994 | unsigned char maxpart; |
995 | unsigned int partno; |
996 | int add, delete, inuse; |
997 | |
998 | add = strcmp("add", action) == 0; |
999 | delete = strcmp("delete", action) == 0; |
1000 | maxpart = 'a' - 1 + (add ? MAXPARTITIONS16 : lp->d_npartitions); |
1001 | |
1002 | if (p == NULL((void *)0)) { |
1003 | if (asprintf(&prompt, promptfmt, action) == -1 || |
1004 | asprintf(&help, helpfmt, maxpart, delete ? ", or '*'" : "") |
1005 | == -1) { |
1006 | fprintf(stderr(&__sF[2]), "Unable to build prompt or help\n"); |
1007 | goto done; |
1008 | } |
1009 | if (add) { |
1010 | /* Default to first unused partition. */ |
1011 | for (partno = 0; partno < MAXPARTITIONS16; partno++) { |
1012 | if (partno == RAW_PART2) |
1013 | continue; |
1014 | pp = &lp->d_partitions[partno]; |
1015 | if (partno >= lp->d_npartitions || |
1016 | DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size) == 0 || |
1017 | pp->p_fstype == FS_UNUSED0) { |
1018 | buf[0] = 'a' + partno; |
1019 | p = buf; |
1020 | break; |
1021 | } |
1022 | } |
1023 | } |
1024 | p = getstring(prompt, help, p); |
1025 | free(prompt); |
1026 | free(help); |
1027 | if (p == NULL((void *)0) || *p == '\0') |
1028 | goto done; |
1029 | } |
1030 | |
1031 | if (delete && strlen(p) == 1 && *p == '*') |
1032 | return lp->d_npartitions; |
1033 | |
1034 | if (strlen(p) > 1 || *p < 'a' || *p > maxpart || *p == 'c') { |
1035 | fprintf(stderr(&__sF[2]), helpfmt, maxpart, delete ? ", or '*'" : ""); |
1036 | goto done; |
1037 | } |
1038 | |
1039 | partno = *p - 'a'; |
1040 | pp = &lp->d_partitions[partno]; |
1041 | inuse = partno < lp->d_npartitions && DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size) > 0 && |
1042 | pp->p_fstype != FS_UNUSED0; |
1043 | |
1044 | if ((add && !inuse) || (!add && inuse)) |
1045 | return partno; |
1046 | |
1047 | fprintf(stderr(&__sF[2]), "Partition '%c' is %sin use.\n", *p, |
1048 | inuse ? "" : "not "); |
1049 | |
1050 | done: |
1051 | return -1; |
1052 | } |
1053 | |
1054 | /* |
1055 | * Returns |
1056 | * 0 .. CMD_ABORTED - 1 ==> valid value |
1057 | * CMD_BADVALUE ==> invalid value |
1058 | * CMD_ABORTED ==> ^D on input |
1059 | */ |
1060 | u_int64_t |
1061 | getnumber(const char *prompt, const char *helpstring, u_int32_t oval, |
1062 | u_int32_t maxval) |
1063 | { |
1064 | char buf[BUFSIZ1024], *p; |
1065 | int rslt; |
1066 | long long rval; |
1067 | const char *errstr; |
1068 | |
1069 | rslt = snprintf(buf, sizeof(buf), "%u", oval); |
1070 | if (rslt < 0 || (unsigned int)rslt >= sizeof(buf)) |
1071 | return CMD_BADVALUE(0xffffffffffffffffULL); |
1072 | |
1073 | p = getstring(prompt, helpstring, buf); |
1074 | if (p == NULL((void *)0)) |
1075 | return CMD_ABORTED(0xffffffffffffffffULL - 1); |
1076 | if (strlen(p) == 0) |
1077 | return oval; |
1078 | |
1079 | rval = strtonum(p, 0, maxval, &errstr); |
1080 | if (errstr != NULL((void *)0)) { |
1081 | printf("%s must be between 0 and %u\n", prompt, maxval); |
1082 | return CMD_BADVALUE(0xffffffffffffffffULL); |
1083 | } |
1084 | |
1085 | return rval; |
1086 | } |
1087 | |
1088 | /* |
1089 | * Returns |
1090 | * 0 .. CMD_ABORTED - 1 ==> valid value |
1091 | * CMD_BADVALUE ==> invalid value |
1092 | * CMD_ABORTED ==> ^D on input |
1093 | */ |
1094 | u_int64_t |
1095 | getuint64(const struct disklabel *lp, char *prompt, char *helpstring, |
1096 | u_int64_t oval, u_int64_t maxval, int *flags) |
1097 | { |
1098 | char buf[21], *p, operator = '\0'; |
1099 | char *unit = NULL((void *)0); |
1100 | u_int64_t rval = oval; |
1101 | double d; |
1102 | int rslt; |
1103 | |
1104 | rslt = snprintf(buf, sizeof(buf), "%llu", oval); |
1105 | if (rslt < 0 || (unsigned int)rslt >= sizeof(buf)) |
1106 | goto invalid; |
1107 | |
1108 | p = getstring(prompt, helpstring, buf); |
1109 | if (p == NULL((void *)0)) |
1110 | return CMD_ABORTED(0xffffffffffffffffULL - 1); |
1111 | else if (p[0] == '\0') |
1112 | rval = oval; |
1113 | else if (p[0] == '*' && p[1] == '\0') |
1114 | rval = maxval; |
1115 | else { |
1116 | if (*p == '+' || *p == '-') |
1117 | operator = *p++; |
1118 | if (parse_sizespec(p, &d, &unit) == -1) |
1119 | goto invalid; |
1120 | if (unit == NULL((void *)0)) |
1121 | rval = d; |
1122 | else if (flags != NULL((void *)0) && (*flags & DO_CONVERSIONS0x00000001) == 0) |
1123 | goto invalid; |
1124 | else { |
1125 | switch (tolower((unsigned char)*unit)) { |
1126 | case 'b': |
1127 | rval = d / lp->d_secsize; |
1128 | break; |
1129 | case 'c': |
1130 | rval = d * lp->d_secpercyl; |
1131 | break; |
1132 | case '%': |
1133 | rval = DL_GETDSIZE(lp)(((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit ) * (d / 100.0); |
1134 | break; |
1135 | case '&': |
1136 | rval = maxval * (d / 100.0); |
1137 | break; |
1138 | default: |
1139 | if (apply_unit(d, *unit, &rval) == -1) |
1140 | goto invalid; |
1141 | rval = DL_BLKTOSEC(lp, rval)((rval) / ((lp)->d_secsize / (1 << 9))); |
1142 | break; |
1143 | } |
1144 | } |
1145 | |
1146 | /* Range check then apply [+-] operator */ |
1147 | if (operator == '+') { |
1148 | if (CMD_ABORTED(0xffffffffffffffffULL - 1) - oval > rval) |
1149 | rval += oval; |
1150 | else { |
1151 | goto invalid; |
1152 | } |
1153 | } else if (operator == '-') { |
1154 | if (oval >= rval) |
1155 | rval = oval - rval; |
1156 | else { |
1157 | goto invalid; |
1158 | } |
1159 | } |
1160 | } |
1161 | |
1162 | if (flags != NULL((void *)0)) { |
1163 | if (unit != NULL((void *)0)) |
1164 | *flags |= DO_ROUNDING0x00000002; |
1165 | #ifdef SUN_CYLCHECK |
1166 | if (lp->d_flags & D_VENDOR0x08) |
1167 | *flags |= DO_ROUNDING0x00000002; |
1168 | #endif |
1169 | } |
1170 | return rval; |
1171 | |
1172 | invalid: |
1173 | fputs("Invalid entry\n", stderr(&__sF[2])); |
1174 | return CMD_BADVALUE(0xffffffffffffffffULL); |
1175 | } |
1176 | |
1177 | /* |
1178 | * Check for partition overlap in lp and prompt the user to resolve the overlap |
1179 | * if any is found. Returns 1 if unable to resolve, else 0. |
1180 | */ |
1181 | int |
1182 | has_overlap(struct disklabel *lp) |
1183 | { |
1184 | const struct partition **spp; |
1185 | int i, p1, p2; |
1186 | char *line = NULL((void *)0); |
1187 | size_t linesize = 0; |
1188 | ssize_t linelen; |
1189 | |
1190 | for (;;) { |
1191 | spp = sort_partitions(lp, -1); |
1192 | for (i = 0; spp[i+1] != NULL((void *)0); i++) { |
1193 | if (DL_GETPOFFSET(spp[i])(((u_int64_t)(spp[i])->p_offseth << 32) + (spp[i])-> p_offset) + DL_GETPSIZE(spp[i])(((u_int64_t)(spp[i])->p_sizeh << 32) + (spp[i])-> p_size) > |
1194 | DL_GETPOFFSET(spp[i+1])(((u_int64_t)(spp[i+1])->p_offseth << 32) + (spp[i+1 ])->p_offset)) |
1195 | break; |
1196 | } |
1197 | if (spp[i+1] == NULL((void *)0)) { |
1198 | free(line); |
1199 | return 0; |
1200 | } |
1201 | |
1202 | p1 = 'a' + (spp[i] - lp->d_partitions); |
1203 | p2 = 'a' + (spp[i+1] - lp->d_partitions); |
1204 | printf("\nError, partitions %c and %c overlap:\n", p1, p2); |
1205 | printf("# %16.16s %16.16s fstype [fsize bsize cpg]\n", |
1206 | "size", "offset"); |
1207 | display_partition(stdout(&__sF[1]), lp, p1 - 'a', 0); |
1208 | display_partition(stdout(&__sF[1]), lp, p2 - 'a', 0); |
1209 | |
1210 | for (;;) { |
1211 | printf("Disable which one? (%c %c) ", p1, p2); |
1212 | linelen = getline(&line, &linesize, stdin(&__sF[0])); |
1213 | if (linelen == -1) |
1214 | goto done; |
1215 | if (linelen == 2 && (line[0] == p1 || line[0] == p2)) |
1216 | break; |
1217 | } |
1218 | lp->d_partitions[line[0] - 'a'].p_fstype = FS_UNUSED0; |
1219 | } |
1220 | |
1221 | done: |
1222 | putchar('\n')(!__isthreaded ? __sputc('\n', (&__sF[1])) : (putc)('\n', (&__sF[1]))); |
1223 | free(line); |
1224 | return 1; |
1225 | } |
1226 | |
1227 | void |
1228 | edit_packname(struct disklabel *lp) |
1229 | { |
1230 | char *p; |
1231 | struct disklabel oldlabel = *lp; |
1232 | |
1233 | printf("Changing label description for %s:\n", specname); |
1234 | |
1235 | /* pack/label id */ |
1236 | p = getstring("label name", |
1237 | "15 char string that describes this label, usually the disk name.", |
1238 | lp->d_packname); |
1239 | if (p == NULL((void *)0)) { |
1240 | *lp = oldlabel; /* undo damage */ |
1241 | return; |
1242 | } |
1243 | strncpy(lp->d_packname, p, sizeof(lp->d_packname)); /* checked */ |
1244 | } |
1245 | |
1246 | const struct partition ** |
1247 | sort_partitions(const struct disklabel *lp, int ignore) |
1248 | { |
1249 | const static struct partition *spp[MAXPARTITIONS16+2]; |
1250 | int i, npartitions; |
1251 | |
1252 | memset(spp, 0, sizeof(spp)); |
1253 | |
1254 | for (npartitions = 0, i = 0; i < lp->d_npartitions; i++) { |
1255 | if (i != ignore && lp->d_partitions[i].p_fstype != FS_UNUSED0 && |
1256 | DL_GETPSIZE(&lp->d_partitions[i])(((u_int64_t)(&lp->d_partitions[i])->p_sizeh << 32) + (&lp->d_partitions[i])->p_size) != 0) |
1257 | spp[npartitions++] = &lp->d_partitions[i]; |
1258 | } |
1259 | |
1260 | /* |
1261 | * Sort the partitions based on starting offset. |
1262 | * This is safe because we guarantee no overlap. |
1263 | */ |
1264 | if (npartitions > 1) |
1265 | if (mergesort((void *)spp, npartitions, sizeof(spp[0]), |
1266 | partition_cmp)) |
1267 | err(4, "failed to sort partition table"); |
1268 | |
1269 | return spp; |
1270 | } |
1271 | |
1272 | /* |
1273 | * Get beginning and ending sectors of the OpenBSD portion of the disk |
1274 | * from the user. |
1275 | */ |
1276 | void |
1277 | set_bounds(struct disklabel *lp) |
1278 | { |
1279 | u_int64_t ui, start_temp; |
1280 | |
1281 | /* Starting sector */ |
1282 | for (;;) { |
1283 | ui = getuint64(lp, "Starting sector", |
1284 | "The start of the OpenBSD portion of the disk.", |
1285 | starting_sector, DL_GETDSIZE(lp)(((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit ), NULL((void *)0)); |
1286 | if (ui == CMD_ABORTED(0xffffffffffffffffULL - 1)) |
1287 | return; |
1288 | else if (ui == CMD_BADVALUE(0xffffffffffffffffULL)) |
1289 | ; /* Try again. */ |
1290 | else if (ui >= DL_GETDSIZE(lp)(((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit )) |
1291 | fprintf(stderr(&__sF[2]), "starting sector must be < %llu\n", |
1292 | DL_GETDSIZE(lp)(((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit )); |
1293 | else |
1294 | break; |
1295 | } |
1296 | start_temp = ui; |
1297 | |
1298 | /* Size */ |
1299 | for (;;) { |
1300 | ui = getuint64(lp, "Size ('*' for entire disk)", |
1301 | "The size of the OpenBSD portion of the disk ('*' for the " |
1302 | "entire disk).", ending_sector - starting_sector, |
1303 | DL_GETDSIZE(lp)(((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit ) - start_temp, NULL((void *)0)); |
1304 | if (ui == CMD_ABORTED(0xffffffffffffffffULL - 1)) |
1305 | return; |
1306 | else if (ui == CMD_BADVALUE(0xffffffffffffffffULL)) |
1307 | ; /* Try again. */ |
1308 | else if (ui > DL_GETDSIZE(lp)(((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit ) - start_temp) |
1309 | fprintf(stderr(&__sF[2]), "size must be <= %llu\n", |
1310 | DL_GETDSIZE(lp)(((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit ) - start_temp); |
1311 | else |
1312 | break; |
1313 | } |
1314 | ending_sector = start_temp + ui; |
1315 | DL_SETBEND(lp, ending_sector)do { u_int64_t __x = (ending_sector); (lp)->d_bendh = __x >> 32; (lp)->d_bend = __x; } while (0); |
1316 | starting_sector = start_temp; |
1317 | DL_SETBSTART(lp, starting_sector)do { u_int64_t __x = (starting_sector); (lp)->d_bstarth = __x >> 32; (lp)->d_bstart = __x; } while (0); |
1318 | } |
1319 | |
1320 | /* |
1321 | * Allow user to interactively change disklabel UID. |
1322 | */ |
1323 | void |
1324 | set_duid(struct disklabel *lp) |
1325 | { |
1326 | char *s; |
1327 | int i; |
1328 | |
1329 | printf("The disklabel UID is currently: " |
1330 | "%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx\n", |
1331 | lp->d_uid[0], lp->d_uid[1], lp->d_uid[2], lp->d_uid[3], |
1332 | lp->d_uid[4], lp->d_uid[5], lp->d_uid[6], lp->d_uid[7]); |
1333 | |
1334 | do { |
1335 | s = getstring("duid", "The disklabel UID, given as a 16 " |
1336 | "character hexadecimal string.", NULL((void *)0)); |
1337 | if (s == NULL((void *)0) || strlen(s) == 0) { |
1338 | fputs("Command aborted\n", stderr(&__sF[2])); |
1339 | return; |
1340 | } |
1341 | i = duid_parse(lp, s); |
1342 | if (i != 0) |
1343 | fputs("Invalid UID entered.\n", stderr(&__sF[2])); |
1344 | } while (i != 0); |
1345 | } |
1346 | |
1347 | /* |
1348 | * Return a list of the "chunks" of free space available |
1349 | */ |
1350 | const struct diskchunk * |
1351 | free_chunks(const struct disklabel *lp, int partno) |
1352 | { |
1353 | const struct partition **spp; |
1354 | static struct diskchunk chunks[MAXPARTITIONS16 + 2]; |
1355 | u_int64_t start, stop; |
1356 | int i, numchunks; |
1357 | |
1358 | /* Sort the in-use partitions based on offset */ |
1359 | spp = sort_partitions(lp, partno); |
1360 | |
1361 | /* If there are no partitions, it's all free. */ |
1362 | if (spp[0] == NULL((void *)0)) { |
1363 | chunks[0].start = starting_sector; |
1364 | chunks[0].stop = ending_sector; |
1365 | chunks[1].start = chunks[1].stop = 0; |
1366 | return chunks; |
1367 | } |
1368 | |
1369 | /* Find chunks of free space */ |
1370 | numchunks = 0; |
1371 | if (DL_GETPOFFSET(spp[0])(((u_int64_t)(spp[0])->p_offseth << 32) + (spp[0])-> p_offset) > starting_sector) { |
1372 | chunks[0].start = starting_sector; |
1373 | chunks[0].stop = DL_GETPOFFSET(spp[0])(((u_int64_t)(spp[0])->p_offseth << 32) + (spp[0])-> p_offset); |
1374 | numchunks++; |
1375 | } |
1376 | for (i = 0; spp[i] != NULL((void *)0); i++) { |
1377 | start = DL_GETPOFFSET(spp[i])(((u_int64_t)(spp[i])->p_offseth << 32) + (spp[i])-> p_offset) + DL_GETPSIZE(spp[i])(((u_int64_t)(spp[i])->p_sizeh << 32) + (spp[i])-> p_size); |
1378 | if (start < starting_sector) |
1379 | start = starting_sector; |
1380 | else if (start > ending_sector) |
1381 | start = ending_sector; |
1382 | if (spp[i + 1] != NULL((void *)0)) |
1383 | stop = DL_GETPOFFSET(spp[i+1])(((u_int64_t)(spp[i+1])->p_offseth << 32) + (spp[i+1 ])->p_offset); |
1384 | else |
1385 | stop = ending_sector; |
1386 | if (stop < starting_sector) |
1387 | stop = starting_sector; |
1388 | else if (stop > ending_sector) |
1389 | stop = ending_sector; |
1390 | if (start < stop) { |
1391 | chunks[numchunks].start = start; |
1392 | chunks[numchunks].stop = stop; |
1393 | numchunks++; |
1394 | } |
1395 | } |
1396 | |
1397 | /* Terminate and return */ |
1398 | chunks[numchunks].start = chunks[numchunks].stop = 0; |
1399 | return chunks; |
1400 | } |
1401 | |
1402 | void |
1403 | find_bounds(const struct disklabel *lp) |
1404 | { |
1405 | starting_sector = DL_GETBSTART(lp)(((u_int64_t)(lp)->d_bstarth << 32) + (lp)->d_bstart ); |
1406 | ending_sector = DL_GETBEND(lp)(((u_int64_t)(lp)->d_bendh << 32) + (lp)->d_bend); |
1407 | |
1408 | if (ending_sector) { |
1409 | if (verbose) |
1410 | printf("Treating sectors %llu-%llu as the OpenBSD" |
1411 | " portion of the disk.\nYou can use the 'b'" |
1412 | " command to change this.\n\n", starting_sector, |
1413 | ending_sector); |
1414 | } |
1415 | } |
1416 | |
1417 | /* |
1418 | * Calculate free space. |
1419 | */ |
1420 | u_int64_t |
1421 | editor_countfree(const struct disklabel *lp) |
1422 | { |
1423 | const struct diskchunk *chunk; |
1424 | u_int64_t freesectors = 0; |
1425 | |
1426 | chunk = free_chunks(lp, -1); |
1427 | |
1428 | for (; chunk->start != 0 || chunk->stop != 0; chunk++) |
1429 | freesectors += CHUNKSZ(chunk)((chunk)->stop - (chunk)->start); |
1430 | |
1431 | return freesectors; |
1432 | } |
1433 | |
1434 | void |
1435 | editor_help(void) |
1436 | { |
1437 | puts("Available commands:"); |
1438 | puts( |
1439 | " ? | h - show help n [part] - set mount point\n" |
1440 | " A - auto partition all space p [unit] - print partitions\n" |
1441 | " a [part] - add partition q - quit & save changes\n" |
1442 | " b - set OpenBSD boundaries R [part] - resize auto allocated partition\n" |
1443 | " c [part] - change partition size r - display free space\n" |
1444 | " D - reset label to default s [path] - save label to file\n" |
1445 | " d [part] - delete partition U - undo all changes\n" |
1446 | " e - edit label description u - undo last change\n" |
1447 | " i - modify disklabel UID w - write label to disk\n" |
1448 | " l [unit] - print disk label header x - exit & lose changes\n" |
1449 | " M - disklabel(8) man page z - delete all partitions\n" |
1450 | " m [part] - modify partition\n" |
1451 | "\n" |
1452 | "Suffixes can be used to indicate units other than sectors:\n" |
1453 | " 'b' (bytes), 'k' (kilobytes), 'm' (megabytes), 'g' (gigabytes) 't' (terabytes)\n" |
1454 | " 'c' (cylinders), '%' (% of total disk), '&' (% of free space).\n" |
1455 | "Values in non-sector units are truncated to the nearest cylinder boundary."); |
1456 | |
1457 | } |
1458 | |
1459 | void |
1460 | mpcopy(char **to, char **from) |
1461 | { |
1462 | int i; |
1463 | |
1464 | for (i = 0; i < MAXPARTITIONS16; i++) { |
1465 | free(to[i]); |
1466 | to[i] = NULL((void *)0); |
1467 | if (from[i] != NULL((void *)0)) { |
1468 | to[i] = strdup(from[i]); |
1469 | if (to[i] == NULL((void *)0)) |
1470 | err(1, NULL((void *)0)); |
1471 | } |
1472 | } |
1473 | } |
1474 | |
1475 | int |
1476 | mpequal(char **mp1, char **mp2) |
1477 | { |
1478 | int i; |
1479 | |
1480 | for (i = 0; i < MAXPARTITIONS16; i++) { |
1481 | if (mp1[i] == NULL((void *)0) && mp2[i] == NULL((void *)0)) |
1482 | continue; |
1483 | |
1484 | if ((mp1[i] != NULL((void *)0) && mp2[i] == NULL((void *)0)) || |
1485 | (mp1[i] == NULL((void *)0) && mp2[i] != NULL((void *)0)) || |
1486 | (strcmp(mp1[i], mp2[i]) != 0)) |
1487 | return 0; |
1488 | } |
1489 | return 1; |
1490 | } |
1491 | |
1492 | void |
1493 | mpsave(const struct disklabel *lp) |
1494 | { |
1495 | int i, j; |
1496 | char bdev[PATH_MAX1024], *p; |
1497 | struct mountinfo mi[MAXPARTITIONS16]; |
1498 | FILE *fp; |
1499 | u_int8_t fstype; |
1500 | |
1501 | if (!fstabfile) |
1502 | return; |
1503 | |
1504 | memset(&mi, 0, sizeof(mi)); |
1505 | |
1506 | for (i = 0; i < MAXPARTITIONS16; i++) { |
1507 | fstype = lp->d_partitions[i].p_fstype; |
1508 | if (mountpoints[i] != NULL((void *)0) || fstype == FS_SWAP1) { |
1509 | mi[i].mountpoint = mountpoints[i]; |
1510 | mi[i].partno = i; |
1511 | } |
1512 | } |
1513 | |
1514 | /* Convert specname to bdev */ |
1515 | if (uidflag) { |
1516 | snprintf(bdev, sizeof(bdev), |
1517 | "%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx.%c", |
1518 | lab.d_uid[0], lab.d_uid[1], lab.d_uid[2], lab.d_uid[3], |
1519 | lab.d_uid[4], lab.d_uid[5], lab.d_uid[6], lab.d_uid[7], |
1520 | specname[strlen(specname)-1]); |
1521 | } else if (strncmp(_PATH_DEV"/dev/", specname, sizeof(_PATH_DEV"/dev/") - 1) == 0 && |
1522 | specname[sizeof(_PATH_DEV"/dev/") - 1] == 'r') { |
1523 | snprintf(bdev, sizeof(bdev), "%s%s", _PATH_DEV"/dev/", |
1524 | &specname[sizeof(_PATH_DEV"/dev/")]); |
1525 | } else { |
1526 | if ((p = strrchr(specname, '/')) == NULL((void *)0) || *(++p) != 'r') |
1527 | return; |
1528 | *p = '\0'; |
1529 | snprintf(bdev, sizeof(bdev), "%s%s", specname, p + 1); |
1530 | *p = 'r'; |
1531 | } |
1532 | bdev[strlen(bdev) - 1] = '\0'; |
1533 | |
1534 | /* Sort mountpoints so we don't try to mount /usr/local before /usr */ |
1535 | qsort((void *)mi, MAXPARTITIONS16, sizeof(struct mountinfo), micmp); |
1536 | |
1537 | if ((fp = fopen(fstabfile, "w"))) { |
1538 | for (i = 0; i < MAXPARTITIONS16; i++) { |
1539 | j = mi[i].partno; |
1540 | fstype = lp->d_partitions[j].p_fstype; |
1541 | if (fstype == FS_RAID19) |
1542 | continue; |
1543 | if (fstype == FS_SWAP1) { |
1544 | fprintf(fp, "%s%c none swap sw\n", bdev, 'a'+j); |
1545 | } else if (mi[i].mountpoint) { |
1546 | fprintf(fp, "%s%c %s %s rw 1 %d\n", bdev, |
1547 | 'a' + j, mi[i].mountpoint, |
1548 | fstypesnames[fstype], j == 0 ? 1 : 2); |
1549 | } |
1550 | } |
1551 | fclose(fp); |
1552 | } |
1553 | } |
1554 | |
1555 | void |
1556 | mpfree(char **mp, int action) |
1557 | { |
1558 | int part; |
1559 | |
1560 | if (mp == NULL((void *)0)) |
1561 | return; |
1562 | |
1563 | for (part = 0; part < MAXPARTITIONS16; part++) { |
1564 | free(mp[part]); |
1565 | mp[part] = NULL((void *)0); |
1566 | } |
1567 | |
1568 | if (action == DISCARD0) { |
1569 | free(mp); |
1570 | mp = NULL((void *)0); |
1571 | } |
1572 | } |
1573 | |
1574 | int |
1575 | get_offset(struct disklabel *lp, int partno) |
1576 | { |
1577 | struct partition opp, *pp = &lp->d_partitions[partno]; |
1578 | u_int64_t ui, offsetalign; |
1579 | int flags; |
1580 | |
1581 | flags = DO_CONVERSIONS0x00000001; |
1582 | ui = getuint64(lp, "offset", |
1583 | "Starting sector for this partition.", |
1584 | DL_GETPOFFSET(pp)(((u_int64_t)(pp)->p_offseth << 32) + (pp)->p_offset ), |
1585 | DL_GETPOFFSET(pp)(((u_int64_t)(pp)->p_offseth << 32) + (pp)->p_offset ), &flags); |
1586 | |
1587 | if (ui == CMD_ABORTED(0xffffffffffffffffULL - 1) || ui == CMD_BADVALUE(0xffffffffffffffffULL)) |
1588 | return 1; |
1589 | #ifdef SUN_AAT0 |
1590 | if (partno == 0 && ui != 0) { |
1591 | fprintf(stderr(&__sF[2]), "This architecture requires that " |
1592 | "partition 'a' start at sector 0.\n"); |
1593 | return 1; |
1594 | } |
1595 | #endif |
1596 | opp = *pp; |
1597 | DL_SETPOFFSET(pp, ui)do { u_int64_t __x = (ui); (pp)->p_offseth = __x >> 32 ; (pp)->p_offset = __x; } while (0); |
1598 | offsetalign = 1; |
1599 | if ((flags & DO_ROUNDING0x00000002) != 0 && pp->p_fstype == FS_BSDFFS7) |
1600 | offsetalign = lp->d_secpercyl; |
1601 | |
1602 | if (alignpartition(lp, partno, offsetalign, 1, ROUND_OFFSET_UP0x00000001) == 1) { |
1603 | *pp = opp; |
1604 | return 1; |
1605 | } |
1606 | |
1607 | return 0; |
1608 | } |
1609 | |
1610 | int |
1611 | get_size(struct disklabel *lp, int partno) |
1612 | { |
1613 | struct partition opp, *pp = &lp->d_partitions[partno]; |
1614 | u_int64_t maxsize, ui, sizealign; |
1615 | int flags; |
1616 | |
1617 | maxsize = max_partition_size(lp, partno); |
1618 | flags = DO_CONVERSIONS0x00000001; |
1619 | ui = getuint64(lp, "size", "Size of the partition. " |
1620 | "You may also say +/- amount for a relative change.", |
1621 | DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size), maxsize, &flags); |
1622 | |
1623 | if (ui == CMD_ABORTED(0xffffffffffffffffULL - 1) || ui == CMD_BADVALUE(0xffffffffffffffffULL)) |
1624 | return 1; |
1625 | |
1626 | opp = *pp; |
1627 | DL_SETPSIZE(pp, ui)do { u_int64_t __x = (ui); (pp)->p_sizeh = __x >> 32 ; (pp)->p_size = __x; } while (0); |
1628 | sizealign = 1; |
1629 | if ((flags & DO_ROUNDING0x00000002) != 0 && (pp->p_fstype == FS_SWAP1 || |
1630 | pp->p_fstype == FS_BSDFFS7)) |
1631 | sizealign = lp->d_secpercyl; |
1632 | |
1633 | if (alignpartition(lp, partno, 1, sizealign, ROUND_SIZE_UP0x00000004) == 1) { |
1634 | *pp = opp; |
1635 | return 1; |
1636 | } |
1637 | |
1638 | return 0; |
1639 | } |
1640 | |
1641 | int |
1642 | set_fragblock(struct disklabel *lp, int partno) |
1643 | { |
1644 | struct partition opp, *pp = &lp->d_partitions[partno]; |
1645 | u_int64_t bytes, offsetalign, sizealign; |
1646 | u_int32_t frag, fsize; |
1647 | |
1648 | if (pp->p_fstype != FS_BSDFFS7) |
1649 | return 0; |
1650 | |
1651 | if (pp->p_cpg == 0) |
1652 | pp->p_cpg = 1; |
1653 | |
1654 | fsize = DISKLABELV1_FFS_FSIZE(pp->p_fragblock)(((pp->p_fragblock) == 0 ? 0 : (1 << (((pp->p_fragblock ) & 0x07) - 1))) == 0 ? 0 : (((pp->p_fragblock) == 0 ? 0 : (1 << (((pp->p_fragblock) >> 3) + 12))) / ((pp->p_fragblock) == 0 ? 0 : (1 << (((pp->p_fragblock ) & 0x07) - 1))))); |
1655 | frag = DISKLABELV1_FFS_FRAG(pp->p_fragblock)((pp->p_fragblock) == 0 ? 0 : (1 << (((pp->p_fragblock ) & 0x07) - 1))); |
Value stored to 'frag' is never read | |
1656 | if (fsize == 0) { |
1657 | fsize = 2048; |
1658 | frag = 8; |
1659 | bytes = DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size) * lp->d_secsize; |
1660 | if (bytes > 128ULL * 1024 * 1024 * 1024) |
1661 | fsize *= 2; |
1662 | if (bytes > 512ULL * 1024 * 1024 * 1024) |
1663 | fsize *= 2; |
1664 | if (fsize < lp->d_secsize) |
1665 | fsize = lp->d_secsize; |
1666 | if (fsize > MAXBSIZE(64 * 1024) / frag) |
1667 | fsize = MAXBSIZE(64 * 1024) / frag; |
1668 | pp->p_fragblock = DISKLABELV1_FFS_FRAGBLOCK(fsize, frag)((fsize) * (frag) == 0 ? 0 : (((ffs((fsize) * (frag)) - 13) << 3) | (ffs(frag)))); |
1669 | } |
1670 | #ifdef SUN_CYLCHECK |
1671 | return 0; |
1672 | #endif |
1673 | opp = *pp; |
1674 | sizealign = (DISKLABELV1_FFS_FRAG(pp->p_fragblock)((pp->p_fragblock) == 0 ? 0 : (1 << (((pp->p_fragblock ) & 0x07) - 1))) * |
1675 | DISKLABELV1_FFS_FSIZE(pp->p_fragblock)(((pp->p_fragblock) == 0 ? 0 : (1 << (((pp->p_fragblock ) & 0x07) - 1))) == 0 ? 0 : (((pp->p_fragblock) == 0 ? 0 : (1 << (((pp->p_fragblock) >> 3) + 12))) / ((pp->p_fragblock) == 0 ? 0 : (1 << (((pp->p_fragblock ) & 0x07) - 1)))))) / lp->d_secsize; |
1676 | offsetalign = 1; |
1677 | if (DL_GETPOFFSET(pp)(((u_int64_t)(pp)->p_offseth << 32) + (pp)->p_offset ) != starting_sector) |
1678 | offsetalign = sizealign; |
1679 | |
1680 | if (alignpartition(lp, partno, offsetalign, sizealign, ROUND_OFFSET_UP0x00000001 | |
1681 | ROUND_SIZE_DOWN0x00000008 | ROUND_SIZE_OVERLAP0x00000010) == 1) { |
1682 | *pp = opp; |
1683 | return 1; |
1684 | } |
1685 | |
1686 | return 0; |
1687 | } |
1688 | |
1689 | int |
1690 | get_fstype(struct disklabel *lp, int partno) |
1691 | { |
1692 | char *p; |
1693 | u_int64_t ui; |
1694 | struct partition *pp = &lp->d_partitions[partno]; |
1695 | |
1696 | if (pp->p_fstype < FSMAXTYPES(sizeof(fstypenames) / sizeof(fstypenames[0]) - 1)) { |
1697 | p = getstring("FS type", |
1698 | "Filesystem type (usually 4.2BSD or swap)", |
1699 | fstypenames[pp->p_fstype]); |
1700 | if (p == NULL((void *)0)) { |
1701 | return 1; |
1702 | } |
1703 | for (ui = 0; ui < FSMAXTYPES(sizeof(fstypenames) / sizeof(fstypenames[0]) - 1); ui++) { |
1704 | if (!strcasecmp(p, fstypenames[ui])) { |
1705 | pp->p_fstype = ui; |
1706 | break; |
1707 | } |
1708 | } |
1709 | if (ui >= FSMAXTYPES(sizeof(fstypenames) / sizeof(fstypenames[0]) - 1)) { |
1710 | printf("Unrecognized filesystem type '%s', treating " |
1711 | "as 'unknown'\n", p); |
1712 | pp->p_fstype = FS_OTHER10; |
1713 | } |
1714 | } else { |
1715 | for (;;) { |
1716 | ui = getnumber("FS type (decimal)", |
1717 | "Filesystem type as a decimal number; usually 7 " |
1718 | "(4.2BSD) or 1 (swap).", |
1719 | pp->p_fstype, UINT8_MAX0xff); |
1720 | if (ui == CMD_ABORTED(0xffffffffffffffffULL - 1)) |
1721 | return 1; |
1722 | else if (ui == CMD_BADVALUE(0xffffffffffffffffULL)) |
1723 | ; /* Try again. */ |
1724 | else |
1725 | break; |
1726 | } |
1727 | pp->p_fstype = ui; |
1728 | } |
1729 | return 0; |
1730 | } |
1731 | |
1732 | int |
1733 | get_mp(const struct disklabel *lp, int partno) |
1734 | { |
1735 | const struct partition *pp = &lp->d_partitions[partno]; |
1736 | char *p; |
1737 | int i; |
1738 | |
1739 | if (fstabfile == NULL((void *)0) || |
1740 | pp->p_fstype == FS_UNUSED0 || |
1741 | pp->p_fstype == FS_SWAP1 || |
1742 | pp->p_fstype == FS_BOOT13 || |
1743 | pp->p_fstype == FS_OTHER10 || |
1744 | pp->p_fstype == FS_RAID19) { |
1745 | /* No fstabfile, no names. Not all fstypes can be named */ |
1746 | return 0; |
1747 | } |
1748 | |
1749 | for (;;) { |
1750 | p = getstring("mount point", |
1751 | "Where to mount this filesystem (ie: / /var /usr)", |
1752 | mountpoints[partno] ? mountpoints[partno] : "none"); |
1753 | if (p == NULL((void *)0)) |
1754 | return 1; |
1755 | if (strcasecmp(p, "none") == 0) { |
1756 | free(mountpoints[partno]); |
1757 | mountpoints[partno] = NULL((void *)0); |
1758 | break; |
1759 | } |
1760 | for (i = 0; i < MAXPARTITIONS16; i++) |
1761 | if (mountpoints[i] != NULL((void *)0) && i != partno && |
1762 | strcmp(p, mountpoints[i]) == 0) |
1763 | break; |
1764 | if (i < MAXPARTITIONS16) { |
1765 | fprintf(stderr(&__sF[2]), "'%c' already being mounted at " |
1766 | "'%s'\n", 'a'+i, p); |
1767 | break; |
1768 | } |
1769 | if (*p == '/') { |
1770 | /* XXX - might as well realloc */ |
1771 | free(mountpoints[partno]); |
1772 | if ((mountpoints[partno] = strdup(p)) == NULL((void *)0)) |
1773 | err(1, NULL((void *)0)); |
1774 | break; |
1775 | } |
1776 | fputs("Mount points must start with '/'\n", stderr(&__sF[2])); |
1777 | } |
1778 | |
1779 | return 0; |
1780 | } |
1781 | |
1782 | int |
1783 | micmp(const void *a1, const void *a2) |
1784 | { |
1785 | struct mountinfo *mi1 = (struct mountinfo *)a1; |
1786 | struct mountinfo *mi2 = (struct mountinfo *)a2; |
1787 | |
1788 | /* We want all the NULLs at the end... */ |
1789 | if (mi1->mountpoint == NULL((void *)0) && mi2->mountpoint == NULL((void *)0)) |
1790 | return 0; |
1791 | else if (mi1->mountpoint == NULL((void *)0)) |
1792 | return 1; |
1793 | else if (mi2->mountpoint == NULL((void *)0)) |
1794 | return -1; |
1795 | else |
1796 | return strcmp(mi1->mountpoint, mi2->mountpoint); |
1797 | } |
1798 | |
1799 | void |
1800 | zero_partitions(struct disklabel *lp) |
1801 | { |
1802 | memset(lp->d_partitions, 0, sizeof(lp->d_partitions)); |
1803 | DL_SETPSIZE(&lp->d_partitions[RAW_PART], DL_GETDSIZE(lp))do { u_int64_t __x = ((((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit)); (&lp->d_partitions[2]) ->p_sizeh = __x >> 32; (&lp->d_partitions[2]) ->p_size = __x; } while (0); |
1804 | |
1805 | mpfree(mountpoints, KEEP1); |
1806 | } |
1807 | |
1808 | u_int64_t |
1809 | max_partition_size(const struct disklabel *lp, int partno) |
1810 | { |
1811 | const struct diskchunk *chunk; |
1812 | u_int64_t maxsize = 0, offset; |
1813 | |
1814 | chunk = free_chunks(lp, partno); |
1815 | |
1816 | offset = DL_GETPOFFSET(&lp->d_partitions[partno])(((u_int64_t)(&lp->d_partitions[partno])->p_offseth << 32) + (&lp->d_partitions[partno])->p_offset ); |
1817 | for (; chunk->start != 0 || chunk->stop != 0; chunk++) { |
1818 | if (offset < chunk->start || offset >= chunk->stop) |
1819 | continue; |
1820 | maxsize = chunk->stop - offset; |
1821 | break; |
1822 | } |
1823 | return maxsize; |
1824 | } |
1825 | |
1826 | void |
1827 | psize(u_int64_t sz, char unit, const struct disklabel *lp) |
1828 | { |
1829 | double d = scale(sz, unit, lp); |
1830 | if (d < 0) |
1831 | printf("%llu", sz); |
1832 | else |
1833 | printf("%.*f%c", unit == 'B' ? 0 : 1, d, unit); |
1834 | } |
1835 | |
1836 | void |
1837 | display_edit(const struct disklabel *lp, char unit) |
1838 | { |
1839 | u_int64_t fr; |
1840 | int i; |
1841 | |
1842 | fr = editor_countfree(lp); |
1843 | unit = canonical_unit(lp, unit); |
1844 | |
1845 | printf("OpenBSD area: "); |
1846 | psize(starting_sector, 0, lp); |
1847 | printf("-"); |
1848 | psize(ending_sector, 0, lp); |
1849 | printf("; size: "); |
1850 | psize(ending_sector - starting_sector, unit, lp); |
1851 | printf("; free: "); |
1852 | psize(fr, unit, lp); |
1853 | |
1854 | printf("\n# %16.16s %16.16s fstype [fsize bsize cpg]\n", |
1855 | "size", "offset"); |
1856 | for (i = 0; i < lp->d_npartitions; i++) |
1857 | display_partition(stdout(&__sF[1]), lp, i, unit); |
1858 | } |
1859 | |
1860 | void |
1861 | parse_autotable(char *filename) |
1862 | { |
1863 | FILE *cfile; |
1864 | size_t linesize = 0; |
1865 | char *line = NULL((void *)0), *buf, *t; |
1866 | uint idx = 0, pctsum = 0; |
1867 | struct space_allocation *sa; |
1868 | |
1869 | if (strcmp(filename, "-") == 0) |
1870 | cfile = stdin(&__sF[0]); |
1871 | else if ((cfile = fopen(filename, "r")) == NULL((void *)0)) |
1872 | err(1, "%s", filename); |
1873 | if ((alloc_table = calloc(1, sizeof(struct alloc_table))) == NULL((void *)0)) |
1874 | err(1, NULL((void *)0)); |
1875 | alloc_table_nitems = 1; |
1876 | |
1877 | while (getline(&line, &linesize, cfile) != -1) { |
1878 | if ((alloc_table[0].table = reallocarray(alloc_table[0].table, |
1879 | idx + 1, sizeof(*sa))) == NULL((void *)0)) |
1880 | err(1, NULL((void *)0)); |
1881 | sa = &(alloc_table[0].table[idx]); |
1882 | memset(sa, 0, sizeof(*sa)); |
1883 | idx++; |
1884 | |
1885 | buf = line; |
1886 | if ((sa->mp = get_token(&buf)) == NULL((void *)0) || |
1887 | (sa->mp[0] != '/' && strcasecmp(sa->mp, "swap") && |
1888 | strcasecmp(sa->mp, "raid"))) |
1889 | errx(1, "%s: parse error on line %u", filename, idx); |
1890 | if ((t = get_token(&buf)) == NULL((void *)0) || |
1891 | parse_sizerange(t, &sa->minsz, &sa->maxsz) == -1) |
1892 | errx(1, "%s: parse error on line %u", filename, idx); |
1893 | if ((t = get_token(&buf)) != NULL((void *)0) && |
1894 | parse_pct(t, &sa->rate) == -1) |
1895 | errx(1, "%s: parse error on line %u", filename, idx); |
1896 | if (sa->minsz > sa->maxsz) |
1897 | errx(1, "%s: min size > max size on line %u", filename, |
1898 | idx); |
1899 | pctsum += sa->rate; |
1900 | } |
1901 | if (pctsum > 100) |
1902 | errx(1, "%s: sum of extra space allocation > 100%%", filename); |
1903 | alloc_table[0].sz = idx; |
1904 | free(line); |
1905 | fclose(cfile); |
1906 | } |
1907 | |
1908 | char * |
1909 | get_token(char **s) |
1910 | { |
1911 | char *p, *r; |
1912 | size_t tlen = 0; |
1913 | |
1914 | p = *s; |
1915 | while (**s != '\0' && !isspace((u_char)**s)) { |
1916 | (*s)++; |
1917 | tlen++; |
1918 | } |
1919 | if (tlen == 0) |
1920 | return NULL((void *)0); |
1921 | |
1922 | /* eat whitespace */ |
1923 | while (isspace((u_char)**s)) |
1924 | (*s)++; |
1925 | |
1926 | if ((r = strndup(p, tlen)) == NULL((void *)0)) |
1927 | err(1, NULL((void *)0)); |
1928 | return r; |
1929 | } |
1930 | |
1931 | int |
1932 | apply_unit(double val, u_char unit, u_int64_t *n) |
1933 | { |
1934 | u_int64_t factor = 1; |
1935 | |
1936 | switch (tolower(unit)) { |
1937 | case 't': |
1938 | factor *= 1024; |
1939 | /* FALLTHROUGH */ |
1940 | case 'g': |
1941 | factor *= 1024; |
1942 | /* FALLTHROUGH */ |
1943 | case 'm': |
1944 | factor *= 1024; |
1945 | /* FALLTHROUGH */ |
1946 | case 'k': |
1947 | factor *= 1024; |
1948 | break; |
1949 | default: |
1950 | return -1; |
1951 | } |
1952 | |
1953 | val *= factor / DEV_BSIZE(1 << 9); |
1954 | if (val > (double)ULLONG_MAX0xffffffffffffffffULL) |
1955 | return -1; |
1956 | *n = val; |
1957 | return 0; |
1958 | } |
1959 | |
1960 | int |
1961 | parse_sizespec(const char *buf, double *val, char **unit) |
1962 | { |
1963 | errno(*__errno()) = 0; |
1964 | *val = strtod(buf, unit); |
1965 | if (errno(*__errno()) == ERANGE34 || *val < 0 || *val > (double)ULLONG_MAX0xffffffffffffffffULL) |
1966 | return -1; /* too big/small */ |
1967 | if (*val == 0 && *unit == buf) |
1968 | return -1; /* No conversion performed. */ |
1969 | if (*unit != NULL((void *)0) && *unit[0] == '\0') |
1970 | *unit = NULL((void *)0); |
1971 | return 0; |
1972 | } |
1973 | |
1974 | int |
1975 | parse_sizerange(char *buf, u_int64_t *min, u_int64_t *max) |
1976 | { |
1977 | char *p, *unit1 = NULL((void *)0), *unit2 = NULL((void *)0); |
1978 | double val1 = 0, val2 = 0; |
1979 | |
1980 | if (strcmp(buf, "*") == 0) { |
1981 | *min = 0; |
1982 | *max = UINT64_MAX0xffffffffffffffffULL; |
1983 | goto done; |
1984 | } |
1985 | |
1986 | if ((p = strchr(buf, '-')) != NULL((void *)0)) { |
1987 | p[0] = '\0'; |
1988 | p++; |
1989 | } |
1990 | *max = 0; |
1991 | if (parse_sizespec(buf, &val1, &unit1) == -1) |
1992 | return -1; |
1993 | if (p != NULL((void *)0) && p[0] != '\0') { |
1994 | if (p[0] == '*') |
1995 | *max = UINT64_MAX0xffffffffffffffffULL; |
1996 | else |
1997 | if (parse_sizespec(p, &val2, &unit2) == -1) |
1998 | return -1; |
1999 | } |
2000 | if (unit1 == NULL((void *)0) && (unit1 = unit2) == NULL((void *)0)) |
2001 | return -1; |
2002 | if (apply_unit(val1, unit1[0], min) == -1) |
2003 | return -1; |
2004 | if (val2 > 0) { |
2005 | if (apply_unit(val2, unit2[0], max) == -1) |
2006 | return -1; |
2007 | } else |
2008 | if (*max == 0) |
2009 | *max = *min; |
2010 | done: |
2011 | free(buf); |
2012 | return 0; |
2013 | } |
2014 | |
2015 | int |
2016 | parse_pct(char *buf, int *n) |
2017 | { |
2018 | const char *errstr; |
2019 | |
2020 | if (buf[strlen(buf) - 1] == '%') |
2021 | buf[strlen(buf) - 1] = '\0'; |
2022 | *n = strtonum(buf, 0, 100, &errstr); |
2023 | if (errstr) { |
2024 | warnx("parse percent %s: %s", buf, errstr); |
2025 | return -1; |
2026 | } |
2027 | free(buf); |
2028 | return 0; |
2029 | } |
2030 | |
2031 | int |
2032 | alignpartition(struct disklabel *lp, int partno, u_int64_t startalign, |
2033 | u_int64_t stopalign, int flags) |
2034 | { |
2035 | struct partition *pp = &lp->d_partitions[partno]; |
2036 | const struct diskchunk *chunk; |
2037 | u_int64_t start, stop, maxstop; |
2038 | |
2039 | start = DL_GETPOFFSET(pp)(((u_int64_t)(pp)->p_offseth << 32) + (pp)->p_offset ); |
2040 | if ((flags & ROUND_OFFSET_UP0x00000001) == ROUND_OFFSET_UP0x00000001) |
2041 | start = ROUNDUP(start, startalign)((((start) + (startalign) - 1) / (startalign)) * (startalign) ); |
2042 | else if ((flags & ROUND_OFFSET_DOWN0x00000002) == ROUND_OFFSET_DOWN0x00000002) |
2043 | start = ROUNDDOWN(start, startalign)(((start) / (startalign)) * (startalign)); |
2044 | |
2045 | /* Find the chunk that contains 'start'. */ |
2046 | chunk = free_chunks(lp, partno); |
2047 | for (; chunk->start != 0 || chunk->stop != 0; chunk++) { |
2048 | if (start >= chunk->start && start < chunk->stop) |
2049 | break; |
2050 | } |
2051 | if (chunk->stop == 0) { |
2052 | fprintf(stderr(&__sF[2]), "'%c' aligned offset %llu lies outside " |
2053 | "the OpenBSD bounds or inside another partition\n", |
2054 | 'a' + partno, start); |
2055 | return 1; |
2056 | } |
2057 | |
2058 | /* Calculate the new 'stop' sector, the sector after the partition. */ |
2059 | if ((flags & ROUND_SIZE_OVERLAP0x00000010) == 0) |
2060 | maxstop = ROUNDDOWN(chunk->stop, stopalign)(((chunk->stop) / (stopalign)) * (stopalign)); |
2061 | else |
2062 | maxstop = ROUNDDOWN(ending_sector, stopalign)(((ending_sector) / (stopalign)) * (stopalign)); |
2063 | |
2064 | stop = DL_GETPOFFSET(pp)(((u_int64_t)(pp)->p_offseth << 32) + (pp)->p_offset ) + DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size); |
2065 | if ((flags & ROUND_SIZE_UP0x00000004) == ROUND_SIZE_UP0x00000004) |
2066 | stop = ROUNDUP(stop, stopalign)((((stop) + (stopalign) - 1) / (stopalign)) * (stopalign)); |
2067 | else if ((flags & ROUND_SIZE_DOWN0x00000008) == ROUND_SIZE_DOWN0x00000008) |
2068 | stop = ROUNDDOWN(stop, stopalign)(((stop) / (stopalign)) * (stopalign)); |
2069 | if (stop > maxstop) |
2070 | stop = maxstop; |
2071 | |
2072 | if (stop <= start) { |
2073 | fprintf(stderr(&__sF[2]), "not enough space\n"); |
2074 | return 1; |
2075 | } |
2076 | |
2077 | if (start != DL_GETPOFFSET(pp)(((u_int64_t)(pp)->p_offseth << 32) + (pp)->p_offset )) |
2078 | DL_SETPOFFSET(pp, start)do { u_int64_t __x = (start); (pp)->p_offseth = __x >> 32; (pp)->p_offset = __x; } while (0); |
2079 | if (stop != DL_GETPOFFSET(pp)(((u_int64_t)(pp)->p_offseth << 32) + (pp)->p_offset ) + DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size)) |
2080 | DL_SETPSIZE(pp, stop - start)do { u_int64_t __x = (stop - start); (pp)->p_sizeh = __x >> 32; (pp)->p_size = __x; } while (0); |
2081 | |
2082 | return 0; |
2083 | } |