[Suspend2][ 11/35] [Suspend2] Set the filewriter signature to say we have an image.

[Nigel Cunningham <nigel@suspend2.net>]

Given a pointer to a buffer containng the filewriter signature, modify it
so that it will be recognised as an image that we haven't attempted to
resume from before.

Signed-off-by: Nigel Cunningham <nigel@suspend2.net>

 kernel/power/suspend_file.c |   15 +++++++++++++++
 1 files changed, 15 insertions(+), 0 deletions(-)

diff --git a/kernel/power/suspend_file.c b/kernel/power/suspend_file.c
index d5f0310..002f73c 100644
--- a/kernel/power/suspend_file.c
+++ b/kernel/power/suspend_file.c
@@ -385,3 +385,18 @@ int parse_signature(struct filewriter_he
 	return 1;
 }
 
+/* prepare_signature */
+
+static int prepare_signature(struct filewriter_header *current_header,
+		unsigned long first_header_block)
+{
+	/* 
+	 * Explicitly put the \0 that clears the 'tried to resume from
+	 * this image before' flag.
+	 */
+	strncpy(current_header->sig, HaveImage, sizeof(HaveImage));
+	current_header->resumed_before = 0;
+	current_header->first_header_block = first_header_block;
+	return 0;
+}
+

--
Nigel Cunningham		nigel at suspend2 dot net
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