--- parted-1.9.0.orig/include/parted/disk.h	2009-12-15 10:32:24.000000000 +0100
+++ parted-1.9.0/include/parted/disk.h	2009-12-15 10:59:26.000000000 +0100
@@ -266,6 +266,9 @@
                                                        int* supported);
 extern PedAlignment *ped_disk_get_partition_alignment(const PedDisk *disk);
 
+extern PedSector ped_disk_max_partition_length (const PedDisk *disk);
+extern PedSector ped_disk_max_partition_start_sector (const PedDisk *disk);
+
 extern int ped_disk_align_to_cylinders_on();
 extern int ped_disk_align_to_cylinders_toggle();
 /** @} */
--- parted-1.9.0.orig/libparted/disk.c	2009-12-15 10:32:24.000000000 +0100
+++ parted-1.9.0/libparted/disk.c	2009-12-15 10:55:16.000000000 +0100
@@ -738,6 +738,40 @@
 	return disk->type->ops->get_max_primary_partition_count (disk);
 }
 
+#include "labels/pt-limit.c"
+
+/**
+ * Return the maximum representable length (in sectors) of a
+ * partition on disk \disk.
+ */
+PedSector
+ped_disk_max_partition_length (const PedDisk* disk)
+{
+  const char *pt_type = disk->type->name;
+  struct partition_limit const *pt_lim
+    = pt_limit_lookup (pt_type, strlen (pt_type));
+  if (pt_lim == NULL)
+    return 0;
+
+  return pt_lim->max_length;
+}
+
+/**
+ * Return the maximum representable start sector of a
+ * partition on disk \disk.
+ */
+PedSector
+ped_disk_max_partition_start_sector (const PedDisk* disk)
+{
+  const char *pt_type = disk->type->name;
+  struct partition_limit const *pt_lim
+    = pt_limit_lookup (pt_type, strlen (pt_type));
+  if (pt_lim == NULL)
+    return 0;
+
+  return pt_lim->max_start_sector;
+}
+
 /**
  * \internal We turned a really nasty bureaucracy problem into an elegant maths
  * problem :-)  Basically, there are some constraints to a partition's
--- parted-1.9.0.orig/libparted/labels/pt-limit.c	1970-01-01 01:00:00.000000000 +0100
+++ parted-1.9.0/libparted/labels/pt-limit.c	2009-12-15 10:40:46.000000000 +0100
@@ -0,0 +1,164 @@
+/* ANSI-C code produced by gperf version 3.0.3 */
+/* Command-line: gperf -C -N pt_limit_lookup -n -t -s 6 -k '*' --language=ANSI-C pt-limit.gperf  */
+
+#if !((' ' == 32) && ('!' == 33) && ('"' == 34) && ('#' == 35) \
+      && ('%' == 37) && ('&' == 38) && ('\'' == 39) && ('(' == 40) \
+      && (')' == 41) && ('*' == 42) && ('+' == 43) && (',' == 44) \
+      && ('-' == 45) && ('.' == 46) && ('/' == 47) && ('0' == 48) \
+      && ('1' == 49) && ('2' == 50) && ('3' == 51) && ('4' == 52) \
+      && ('5' == 53) && ('6' == 54) && ('7' == 55) && ('8' == 56) \
+      && ('9' == 57) && (':' == 58) && (';' == 59) && ('<' == 60) \
+      && ('=' == 61) && ('>' == 62) && ('?' == 63) && ('A' == 65) \
+      && ('B' == 66) && ('C' == 67) && ('D' == 68) && ('E' == 69) \
+      && ('F' == 70) && ('G' == 71) && ('H' == 72) && ('I' == 73) \
+      && ('J' == 74) && ('K' == 75) && ('L' == 76) && ('M' == 77) \
+      && ('N' == 78) && ('O' == 79) && ('P' == 80) && ('Q' == 81) \
+      && ('R' == 82) && ('S' == 83) && ('T' == 84) && ('U' == 85) \
+      && ('V' == 86) && ('W' == 87) && ('X' == 88) && ('Y' == 89) \
+      && ('Z' == 90) && ('[' == 91) && ('\\' == 92) && (']' == 93) \
+      && ('^' == 94) && ('_' == 95) && ('a' == 97) && ('b' == 98) \
+      && ('c' == 99) && ('d' == 100) && ('e' == 101) && ('f' == 102) \
+      && ('g' == 103) && ('h' == 104) && ('i' == 105) && ('j' == 106) \
+      && ('k' == 107) && ('l' == 108) && ('m' == 109) && ('n' == 110) \
+      && ('o' == 111) && ('p' == 112) && ('q' == 113) && ('r' == 114) \
+      && ('s' == 115) && ('t' == 116) && ('u' == 117) && ('v' == 118) \
+      && ('w' == 119) && ('x' == 120) && ('y' == 121) && ('z' == 122) \
+      && ('{' == 123) && ('|' == 124) && ('}' == 125) && ('~' == 126))
+/* The character set is not based on ISO-646.  */
+#error "gperf generated tables don't work with this execution character set. Please report a bug to <bug-gnu-gperf@gnu.org>."
+#endif
+
+#line 1 "pt-limit.gperf"
+struct partition_limit
+{
+  char const *name;
+  uint64_t max_start_sector;
+  uint64_t max_length;
+};
+
+#define TOTAL_KEYWORDS 10
+#define MIN_WORD_LENGTH 3
+#define MAX_WORD_LENGTH 5
+#define MIN_HASH_VALUE 0
+#define MAX_HASH_VALUE 45
+/* maximum key range = 46, duplicates = 0 */
+
+#ifdef __GNUC__
+__inline
+#else
+#ifdef __cplusplus
+inline
+#endif
+#endif
+static unsigned int
+hash (register const char *str, register unsigned int len)
+{
+  static const unsigned char asso_values[] =
+    {
+      46, 46, 46, 46, 46, 46, 46, 46, 46, 46,
+      46, 46, 46, 46, 46, 46, 46, 46, 46, 46,
+      46, 46, 46, 46, 46, 46, 46, 46, 46, 46,
+      46, 46, 46, 46, 46, 46, 46, 46, 46, 46,
+      46, 46, 46, 46, 46, 46, 46, 46, 46, 46,
+      46, 46, 46, 46, 46, 46, 10,  5, 46, 46,
+      46, 46, 46, 46, 46, 46, 46, 46, 46, 46,
+      46, 46, 46, 46, 46, 46, 46, 46, 46, 46,
+      46, 46, 46, 46, 46, 46, 46, 46, 46, 46,
+      46, 46, 46, 46, 46, 46, 46,  0, 30, 30,
+      10, 46, 46,  5, 10, 15, 46, 46,  5,  5,
+       0,  0,  0, 46, 46,  0,  5,  0, 10, 46,
+      46, 46, 46, 46, 46, 46, 46, 46, 46, 46,
+      46, 46, 46, 46, 46, 46, 46, 46, 46, 46,
+      46, 46, 46, 46, 46, 46, 46, 46, 46, 46,
+      46, 46, 46, 46, 46, 46, 46, 46, 46, 46,
+      46, 46, 46, 46, 46, 46, 46, 46, 46, 46,
+      46, 46, 46, 46, 46, 46, 46, 46, 46, 46,
+      46, 46, 46, 46, 46, 46, 46, 46, 46, 46,
+      46, 46, 46, 46, 46, 46, 46, 46, 46, 46,
+      46, 46, 46, 46, 46, 46, 46, 46, 46, 46,
+      46, 46, 46, 46, 46, 46, 46, 46, 46, 46,
+      46, 46, 46, 46, 46, 46, 46, 46, 46, 46,
+      46, 46, 46, 46, 46, 46, 46, 46, 46, 46,
+      46, 46, 46, 46, 46, 46, 46, 46, 46, 46,
+      46, 46, 46, 46, 46, 46
+    };
+  register int hval = 0;
+
+  switch (len)
+    {
+      default:
+        hval += asso_values[(unsigned char)str[4]];
+      /*FALLTHROUGH*/
+      case 4:
+        hval += asso_values[(unsigned char)str[3]];
+      /*FALLTHROUGH*/
+      case 3:
+        hval += asso_values[(unsigned char)str[2]];
+      /*FALLTHROUGH*/
+      case 2:
+        hval += asso_values[(unsigned char)str[1]];
+      /*FALLTHROUGH*/
+      case 1:
+        hval += asso_values[(unsigned char)str[0]];
+        break;
+    }
+  return hval;
+}
+
+#ifdef __GNUC__
+__inline
+static
+#ifdef __GNUC_STDC_INLINE__
+__attribute__ ((__gnu_inline__))
+#endif
+#endif
+const struct partition_limit *
+pt_limit_lookup (register const char *str, register unsigned int len)
+{
+  static const struct partition_limit wordlist[] =
+    {
+#line 18 "pt-limit.gperf"
+      {"sun",128ULL*UINT32_MAX,UINT32_MAX},
+      {""}, {""}, {""}, {""},
+#line 22 "pt-limit.gperf"
+      {"loop",UINT32_MAX,UINT32_MAX},
+      {""}, {""}, {""}, {""},
+#line 10 "pt-limit.gperf"
+      {"gpt",UINT64_MAX,UINT64_MAX},
+      {""}, {""}, {""}, {""},
+#line 12 "pt-limit.gperf"
+      {"msdos",UINT32_MAX,UINT32_MAX},
+      {""}, {""}, {""}, {""},
+#line 8 "pt-limit.gperf"
+      {"dasd",UINT32_MAX,UINT32_MAX},
+      {""}, {""}, {""}, {""},
+#line 26 "pt-limit.gperf"
+      {"amiga",UINT32_MAX,UINT32_MAX},
+      {""}, {""}, {""}, {""},
+#line 9 "pt-limit.gperf"
+      {"dvh",UINT32_MAX,UINT32_MAX},
+      {""}, {""}, {""}, {""},
+#line 11 "pt-limit.gperf"
+      {"mac",UINT32_MAX,UINT32_MAX},
+      {""}, {""}, {""}, {""},
+#line 20 "pt-limit.gperf"
+      {"bsd",UINT32_MAX,UINT32_MAX},
+      {""}, {""}, {""}, {""},
+#line 23 "pt-limit.gperf"
+      {"pc98",UINT32_MAX,UINT32_MAX}
+    };
+
+  if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH)
+    {
+      register int key = hash (str, len);
+
+      if (key <= MAX_HASH_VALUE && key >= 0)
+        {
+          register const char *s = wordlist[key].name;
+
+          if (*str == *s && !strcmp (str + 1, s + 1))
+            return &wordlist[key];
+        }
+    }
+  return 0;
+}
--- parted-1.9.0.orig/libparted/labels/pt-limit.gperf	1970-01-01 01:00:00.000000000 +0100
+++ parted-1.9.0/libparted/labels/pt-limit.gperf	2009-12-15 10:57:05.000000000 +0100
@@ -0,0 +1,26 @@
+struct partition_limit
+{
+  char const *name;
+  uint64_t max_start_sector;
+  uint64_t max_length;
+};
+%%
+dasd,UINT32_MAX,UINT32_MAX
+dvh,UINT32_MAX,UINT32_MAX
+gpt,UINT64_MAX,UINT64_MAX
+mac,UINT32_MAX,UINT32_MAX
+msdos,UINT32_MAX,UINT32_MAX
+#
+# Sun partitions are cylinder-aligned, and it looks like there are 128 sectors
+# in a cylinder.  FIXME verify.  Possibly compute sectors-per-cylinder, given
+# u_int16_t	ntrks;		/* Tracks per cylinder */
+# u_int16_t	nsect;		/* Sectors per track */
+sun,128ULL*UINT32_MAX,UINT32_MAX
+#
+bsd,UINT32_MAX,UINT32_MAX
+# aix,UINT32_MAX,UINT32_MAX
+loop,UINT32_MAX,UINT32_MAX
+pc98,UINT32_MAX,UINT32_MAX
+#
+# FIXME: not verified.  looks like these are cylinder aligned, too
+amiga,UINT32_MAX,UINT32_MAX