[gfs2-utils] 01/40: libgfs2: Provide macros for printing on-disk fields

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andyp pushed a commit to branch andyp-sparse
in repository gfs2-utils.

commit 9ab2d40fe9b7e23f43c3796b0a659b45d0370b71
Author: Andrew Price <anprice(a)redhat.com&gt;
AuthorDate: Wed Apr 21 17:20:26 2021 +0100

    libgfs2: Provide macros for printing on-disk fields
    
    The functions in ondisk.c take a backwards approach to endianness
    conversion, in that they work with native-endian data stored in on-disk
    structures. To begin reversing that usage, add some field printing
    macros which expect raw big-endian data passed to them instead of
    pre-converted fields.
    
    Signed-off-by: Andrew Price <anprice(a)redhat.com&gt;
---
 gfs2/libgfs2/ondisk.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/gfs2/libgfs2/ondisk.c b/gfs2/libgfs2/ondisk.c
index 35a0b3db..ca399736 100644
--- a/gfs2/libgfs2/ondisk.c
+++ b/gfs2/libgfs2/ondisk.c
@@ -16,6 +16,15 @@
 		print_it("  ", fmt, fmt2, struct->member);		\
 	} while (0);
 
+#define printbe16(struct, member) do { \
+		print_it("  "#member, "%"PRIu16, "0x%"PRIx16,
be16_to_cpu(struct->member)); \
+	} while(0)
+#define printbe32(struct, member) do { \
+		print_it("  "#member, "%"PRIu32, "0x%"PRIx32,
be32_to_cpu(struct->member)); \
+	} while(0)
+#define printbe64(struct, member) do { \
+		print_it("  "#member, "%"PRIu64, "0x%"PRIx64,
be64_to_cpu(struct->member)); \
+	} while(0)
 
 #define CPIN_08(s1, s2, member, count) {memcpy((s1->member), (s2->member),
(count));}
 #define CPOUT_08(s1, s2, member, count) {memcpy((s2->member), (s1->member),
(count));}

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