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[Qemu-devel] [PATCH v2 15/16] iotests: Add peek_file* functions
From: |
Max Reitz |
Subject: |
[Qemu-devel] [PATCH v2 15/16] iotests: Add peek_file* functions |
Date: |
Mon, 19 Aug 2019 20:56:01 +0200 |
Signed-off-by: Max Reitz <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
---
tests/qemu-iotests/common.rc | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/tests/qemu-iotests/common.rc b/tests/qemu-iotests/common.rc
index 5502c3da2f..78decfd5d5 100644
--- a/tests/qemu-iotests/common.rc
+++ b/tests/qemu-iotests/common.rc
@@ -53,6 +53,26 @@ poke_file()
printf "$3" | dd "of=$1" bs=1 "seek=$2" conv=notrunc &>/dev/null
}
+# peek_file_le 'test.img' 512 2 => 65534
+peek_file_le()
+{
+ # Wrap in echo $() to strip spaces
+ echo $(od -j"$2" -N"$3" --endian=little -An -vtu"$3" "$1")
+}
+
+# peek_file_be 'test.img' 512 2 => 65279
+peek_file_be()
+{
+ # Wrap in echo $() to strip spaces
+ echo $(od -j"$2" -N"$3" --endian=big -An -vtu"$3" "$1")
+}
+
+# peek_file_raw 'test.img' 512 2 => '\xff\xfe'
+peek_file_raw()
+{
+ dd if="$1" bs=1 skip="$2" count="$3" status=none
+}
+
if ! . ./common.config
then
--
2.21.0