LineageOS/android_external_gptfdisk
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sgdisk program, misc. bug fixes

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srs5694
2010-01-12 18:18:36 -05:00
parent 73ba4794a4
commit ba00fed2ef
14 changed files with 264 additions and 112 deletions
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12
bsd.h
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@@ -13,14 +13,16 @@
#define BSD_SIGNATURE UINT32_C(0x82564557) /* BSD disklabel signature ("magic") */
#define LABEL_OFFSET1 64 /* BSD disklabels can start at one of these two */
#define LABEL_OFFSET2 512 /* values; check both for valid signatures */
#define LABEL_OFFSET1 64 /* BSD disklabels can start at any of these three */
#define LABEL_OFFSET2 512 /* values; check all for valid signatures */
#define LABEL_OFFSET3 2048
// FreeBSD documents a maximum # of partitions of 8, but I saw 16 on a NetBSD
// disk. I'm quadrupling that for further safety. Note that BSDReadData()
// uses a 2048-byte I/O buffer. In combination with LABEL_OFFSET2 and the
// uses a 4096-byte I/O buffer. In combination with LABEL_OFFSET3 and the
// additional 148-byte offset to the actual partition data, that gives a
// theoretical maximum of 86.75 partitions that the program can handle.
// theoretical maximum of 118.75 partitions that the program can handle before
// memory errors will occur.
#define MAX_BSD_PARTS 64
@@ -47,7 +49,7 @@ struct BSDRecord { // the partition table
uint16_t pcpg; // filesystem cylinders per group
};
// Full data in tweaked MBR format
// Full data in tweaked BSD format
class BSDData {
protected:
// We only need a few items from the main BSD disklabel data structure....