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gpt: record size of of the entries table

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The size of the entries table will be needed later when writing it back
to disk. Restructure the entries reading code to flow a little better.
This commit is contained in:
Michael Marineau 2014-10-18 16:46:17 -07:00
parent 3b2674aef7
commit 4dd009a6fb
2 changed files with 27 additions and 31 deletions
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5
include/grub/gpt_partition.h
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@ -106,7 +106,9 @@ typedef enum grub_gpt_status
/* UEFI requires the entries table to be at least 16384 bytes for a
* total of 128 entries given the standard 128 byte entry size. */
#define GRUB_GPT_DEFAULT_ENTRIES_LENGTH 128
#define GRUB_GPT_DEFAULT_ENTRIES_SIZE 16384
#define GRUB_GPT_DEFAULT_ENTRIES_LENGTH \
(GRUB_GPT_DEFAULT_ENTRIES_SIZE / sizeof (struct grub_gpt_partentry))
struct grub_gpt
{
@ -122,6 +124,7 @@ struct grub_gpt
/* Only need one entries table, on disk both copies are identical. */
struct grub_gpt_partentry *entries;
grub_size_t entries_size;
/* Logarithm of sector size, in case GPT and disk driver disagree. */
unsigned int log_sector_size;