From c38f7fc771702e235a5ce24139b9bb1cbd095846 Mon Sep 17 00:00:00 2001
From: Kenneth R Westerback <krw@cvs.openbsd.org>
Date: Tue, 24 Aug 2021 15:36:06 +0000
Subject: Add an #ifdef DEBUG/#endif chunk that dumps the entire GPT header
 when printing a GPT.

No functional change outside of DEBUG.
---
 sbin/fdisk/gpt.c | 39 ++++++++++++++++++++++++++++++++++++++-
 1 file changed, 38 insertions(+), 1 deletion(-)

(limited to 'sbin')

diff --git a/sbin/fdisk/gpt.c b/sbin/fdisk/gpt.c
index 5ed209a750e..9d1435c031c 100644
--- a/sbin/fdisk/gpt.c
+++ b/sbin/fdisk/gpt.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: gpt.c,v 1.50 2021/08/07 13:33:12 krw Exp $	*/
+/*	$OpenBSD: gpt.c,v 1.51 2021/08/24 15:36:05 krw Exp $	*/
 /*
  * Copyright (c) 2015 Markus Muller <mmu@grummel.net>
  * Copyright (c) 2015 Kenneth R Westerback <krw@openbsd.org>
@@ -21,6 +21,7 @@
 #include <sys/dkio.h>
 #include <sys/ioctl.h>
 
+#include <ctype.h>
 #include <err.h>
 #include <stdio.h>
 #include <stdint.h>
@@ -301,6 +302,42 @@ GPT_print(const char *units, const int verbosity)
 	double			 size;
 	int			 i, u, status;
 
+#ifdef	DEBUG
+	char			*p;
+	uint64_t		 gh_sig;
+
+	gh_sig = letoh64(gh.gh_sig);
+	p = (unsigned char *)&gh_sig;
+
+	printf("gh_sig         : ");
+	for (i = 0; i < sizeof(gh_sig); i++)
+		printf("%c", isprint((unsigned char)p[i]) ? p[i] : '?');
+	printf(" (");
+	for (i = 0; i < sizeof(gh_sig); i++) {
+		printf("%02x", p[i]);
+		if ((i + 1) < sizeof(uint64_t))
+			printf(":");
+	}
+	printf(")\n");
+	printf("gh_rev         : %u\n", letoh32(gh.gh_rev));
+	printf("gh_size        : %u (%zd)\n", letoh32(gh.gh_size), sizeof(gh));
+	printf("gh_csum        : %u\n", letoh32(gh.gh_csum));
+	printf("gh_rsvd        : %u\n", letoh32(gh.gh_rsvd));
+	printf("gh_lba_self    : %llu\n", letoh64(gh.gh_lba_self));
+	printf("gh_lba_alt     : %llu\n", letoh64(gh.gh_lba_alt));
+	printf("gh_lba_start   : %llu\n", letoh64(gh.gh_lba_start));
+	printf("gh_lba_end     : %llu\n", letoh64(gh.gh_lba_end));
+	p = NULL;
+	uuid_to_string(&gh.gh_guid, &p, &status);
+	printf("gh_gh_guid     : %s\n", (status == uuid_s_ok) ? p : "<invalid>");
+	free(p);
+	printf("gh_gh_part_lba : %llu\n", letoh64(gh.gh_part_lba));
+	printf("gh_gh_part_num : %u (%zu)\n", letoh32(gh.gh_part_num), nitems(gp));
+	printf("gh_gh_part_size: %u (%zu)\n", letoh32(gh.gh_part_size), sizeof(gp[0]));
+	printf("gh_gh_part_csum: %u\n", letoh32(gh.gh_part_csum));
+	printf("\n");
+#endif	/* DEBUG */
+
 	u = unit_lookup(units);
 	size = ((double)DL_GETDSIZE(&dl) * secsize) / unit_types[u].ut_conversion;
 	printf("Disk: %s       Usable LBA: %llu to %llu [%.0f ",
-- 
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