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From 6f768ec049944ab39c79fcaa7bdf9622385b7672 Mon Sep 17 00:00:00 2001
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From: Karel Zak <kzak@redhat.com>
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Date: Thu, 16 Mar 2017 13:29:50 +0100
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Subject: [PATCH 092/116] fdisk: print header UUID for GPT
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Addresses: https://bugzilla.redhat.com/show_bug.cgi?id=1344726
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Signed-off-by: Karel Zak <kzak@redhat.com>
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---
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fdisks/fdisk.c | 2 ++
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libfdisk/src/fdiskP.h | 1 +
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libfdisk/src/gpt.c | 18 ++++++++++++++++++
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3 files changed, 21 insertions(+)
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diff --git a/fdisks/fdisk.c b/fdisks/fdisk.c
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index 0ec9909..974d735 100644
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--- a/fdisks/fdisk.c
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+++ b/fdisks/fdisk.c
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@@ -657,6 +657,8 @@ list_disk_geometry(struct fdisk_context *cxt) {
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printf(_("Disk label type: %s\n"), cxt->label->name);
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if (fdisk_is_disklabel(cxt, DOS))
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dos_print_mbr_id(cxt);
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+ if (fdisk_is_disklabel(cxt, GPT))
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+ gpt_print_header_id(cxt);
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printf("\n");
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}
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diff --git a/libfdisk/src/fdiskP.h b/libfdisk/src/fdiskP.h
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index ce42860..6711ab8 100644
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--- a/libfdisk/src/fdiskP.h
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+++ b/libfdisk/src/fdiskP.h
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@@ -315,6 +315,7 @@ extern void fdisk_deinit_label(struct fdisk_label *lb);
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/* gpt.c -- temporary bypass library API... */
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extern void gpt_list_table(struct fdisk_context *cxt, int xtra);
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+extern void gpt_print_header_id(struct fdisk_context *cxt);
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/* ask.c */
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extern int fdisk_ask_partnum(struct fdisk_context *cxt, size_t *partnum, int wantnew);
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diff --git a/libfdisk/src/gpt.c b/libfdisk/src/gpt.c
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index d3bdc2d..899e1b2 100644
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--- a/libfdisk/src/gpt.c
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+++ b/libfdisk/src/gpt.c
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@@ -341,6 +341,24 @@ static inline int partition_unused(const struct gpt_entry *e)
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sizeof(struct gpt_guid));
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}
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+void gpt_print_header_id(struct fdisk_context *cxt)
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+{
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+ char str[37];
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+ struct gpt_header *header;
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+ struct fdisk_gpt_label *gpt;
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+
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+ assert(cxt);
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+ assert(cxt->label);
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+ assert(fdisk_is_disklabel(cxt, GPT));
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+
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+ gpt = self_label(cxt);
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+ header = gpt->pheader ? gpt->pheader : gpt->bheader;
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+
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+ guid_to_string(&header->disk_guid, str);
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+
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+ printf("Disk identifier: %s\n", str);
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+}
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+
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/*
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* Builds a clean new valid protective MBR - will wipe out any existing data.
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* Returns 0 on success, otherwise < 0 on error.
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--
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2.9.3
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