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Diffstat (limited to 'sbin/disklabel/editor.c')
-rw-r--r--sbin/disklabel/editor.c54
1 files changed, 28 insertions, 26 deletions
diff --git a/sbin/disklabel/editor.c b/sbin/disklabel/editor.c
index 8b13a5eb1ec..8674d5f3ef6 100644
--- a/sbin/disklabel/editor.c
+++ b/sbin/disklabel/editor.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: editor.c,v 1.252 2011/04/16 23:01:17 krw Exp $ */
+/* $OpenBSD: editor.c,v 1.253 2011/05/22 13:04:40 otto Exp $ */
/*
* Copyright (c) 1997-2000 Todd C. Miller <Todd.Miller@courtesan.com>
@@ -733,11 +733,11 @@ editor_resize(struct disklabel *lp, char *p)
fputs("Cannot resize spoofed partition\n", stderr);
return;
}
- secs = getuint(lp, "grow (+) or shrink (-) (with unit)",
- "amount to grow (+) or shrink (-) partition including unit",
- 0, editor_countfree(lp), 0, DO_CONVERSIONS);
+ secs = getuint(lp, "[+|-]new size (with unit)",
+ "new size or amount to grow (+) or shrink (-) partition including unit",
+ sz, editor_countfree(lp), 0, DO_CONVERSIONS);
- if (secs == 0 || secs == -1) {
+ if (secs <= 0) {
fputs("Command aborted\n", stderr);
return;
}
@@ -749,16 +749,12 @@ editor_resize(struct disklabel *lp, char *p)
else
secs = ((secs - cylsecs + 1) / cylsecs) * cylsecs;
#endif
- if (DL_GETPOFFSET(pp) + sz + secs > ending_sector) {
+ if (DL_GETPOFFSET(pp) + secs > ending_sector) {
fputs("Amount too big\n", stderr);
return;
}
- if (sz + secs < 0) {
- fputs("Amount too small\n", stderr);
- return;
- }
- DL_SETPSIZE(pp, sz + secs);
+ DL_SETPSIZE(pp, secs);
/*
* Pack partitions above the resized partition, leaving unused
@@ -1201,13 +1197,19 @@ getuint(struct disklabel *lp, char *prompt, char *helpstring,
break;
case '%':
buf[--n] = '\0';
- percent = strtod(buf, NULL) / 100.0;
+ p = &buf[0];
+ if (*p == '+' || *p == '-')
+ operator = *p++;
+ percent = strtod(p, NULL) / 100.0;
snprintf(buf, sizeof(buf), "%lld",
DL_GETDSIZE(lp));
break;
case '&':
buf[--n] = '\0';
- percent = strtod(buf, NULL) / 100.0;
+ p = &buf[0];
+ if (*p == '+' || *p == '-')
+ operator = *p++;
+ percent = strtod(p, NULL) / 100.0;
snprintf(buf, sizeof(buf), "%lld",
maxval);
break;
@@ -1750,19 +1752,19 @@ editor_help(void)
{
puts("Available commands:");
puts(
-" ? | h - show help n [part] - set mount point\n"
-" A - auto partition all space p [unit] - print partitions\n"
-" a [part] - add partition q - quit & save changes\n"
-" b - set OpenBSD boundaries R [part] - resize a partition\n"
-" c [part] - change partition size r - display free space\n"
-" D - reset label to default s [path] - save label to file\n"
-" d [part] - delete partition U - undo all changes\n"
-" e - edit drive parameters u - undo last change\n"
-" g [d|u] - [d]isk or [u]ser geometry w - write label to disk\n"
-" i - modify disklabel UID X - toggle expert mode\n"
-" l [unit] - print disk label header x - exit & lose changes\n"
-" M - disklabel(8) man page z - delete all partitions\n"
-" m [part] - modify partition\n"
+" ? | h - show help n [part] - set mount point\n"
+" A - auto partition all space p [unit] - print partitions\n"
+" a [part] - add partition q - quit & save changes\n"
+" b - set OpenBSD boundaries R [part] - resize auto allocated partition\n"
+" c [part] - change partition size r - display free space\n"
+" D - reset label to default s [path] - save label to file\n"
+" d [part] - delete partition U - undo all changes\n"
+" e - edit drive parameters u - undo last change\n"
+" g [d|u] - [d]isk or [u]ser geometry w - write label to disk\n"
+" i - modify disklabel UID X - toggle expert mode\n"
+" l [unit] - print disk label header x - exit & lose changes\n"
+" M - disklabel(8) man page z - delete all partitions\n"
+" m [part] - modify partition\n"
"\n"
"Suffixes can be used to indicate units other than sectors:\n"
"\t'b' (bytes), 'k' (kilobytes), 'm' (megabytes), 'g' (gigabytes)\n"