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New API calls iso_generate_gpt_guid() and +iso_write_opts_set_gpt_guid().

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Thomas Schmitt
2016-08-12 18:18:47 +02:00
parent 2f134dcdcb
commit 866f647fad
8 changed files with 188 additions and 48 deletions
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9
libisofs/system_area.h
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@ -182,10 +182,15 @@ int iso_quick_apm_entry(struct iso_apm_partition_request **req_array,
run on other machines with the same process number at the same time.
*/
/* Produces a weakly random variation of a hardcoded real random uuid
/* Produces a GPT disk or partition GUID.
Pseudo-random by iso_generate_gpt_guid() if t->gpt_uuid_counter is 0.
Else derived reproducibly by counter number from t->gpt_uuid_base.
*/
void iso_random_uuid(Ecma119Image *t, uint8_t uuid[16]);
void iso_gpt_uuid(Ecma119Image *t, uint8_t uuid[16]);
/* Mark a given byte string as UUID version 4, RFC 4122.
*/
void iso_mark_guid_version_4(uint8_t *u);
/* The parameter struct for production of a single GPT entry.
See also the partial GPT description in doc/boot_sectors.txt.