[Xen-changelog] [xen-unstable] Support transparant gunzipping in the readnotes utility.

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Emmanuel Ackaouy <ack@xxxxxxxxxxxxx>
# Date 1169763412 0
# Node ID 9d1d9877131de3aec3d56b277c03075d7f63f3a1
# Parent  d42878949f63a3614b22c388cb82862b7d3c264e
Support transparant gunzipping in the readnotes utility.

Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxx>
---
 tools/xcutils/readnotes.c |   14 ++++++++++++--
 1 files changed, 12 insertions(+), 2 deletions(-)

diff -r d42878949f63 -r 9d1d9877131d tools/xcutils/readnotes.c
--- a/tools/xcutils/readnotes.c Thu Jan 25 22:16:52 2007 +0000
+++ b/tools/xcutils/readnotes.c Thu Jan 25 22:16:52 2007 +0000
@@ -11,6 +11,7 @@
 #include <sys/mman.h>
 
 #include <xg_private.h>
+#include <xc_dom.h> /* gunzip bits */
 
 #include <xen/libelf.h>
 
@@ -33,8 +34,8 @@ int main(int argc, char **argv)
 int main(int argc, char **argv)
 {
        const char *f;
-       int fd,h,size,count;
-       void *image;
+       int fd,h,size,usize,count;
+       void *image,*tmp;
        struct stat st;
        struct elf_binary elf;
        const elf_shdr *shdr;
@@ -67,6 +68,15 @@ int main(int argc, char **argv)
                return 1;
        }
        size = st.st_size;
+
+       usize = xc_dom_check_gzip(image, st.st_size);
+       if (usize)
+       {
+               tmp = malloc(size);
+               xc_dom_do_gunzip(image, st.st_size, tmp, size);
+               image = tmp;
+               size = usize;
+       }
 
        if (0 != elf_init(&elf, image, size))
        {

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