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libfdt: Trivial cleanup for CHECK_HEADER)

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Currently the CHECK_HEADER() macro is defined local to fdt_ro.c.
However, there are a handful of functions (fdt_move, rw_check_header,
fdt_open_into) from other files which could also use it (currently
they open-code something more-or-less identical).  Therefore, this
patch moves CHECK_HEADER() to libfdt_internal.h and uses it in those
places.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
David Gibson 2008-02-18 18:06:31 +11:00 • committed by Jon Loeliger
parent a90b5905fe
commit 8a4e75049d
4 changed files with 10 additions and 17 deletions
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7
libfdt/libfdt_internal.h
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@ -58,6 +58,13 @@
#define memeq(p, q, n) (memcmp((p), (q), (n)) == 0)
#define streq(p, q) (strcmp((p), (q)) == 0)
#define CHECK_HEADER(fdt) \
{ \
int err; \
if ((err = fdt_check_header(fdt)) != 0) \
return err; \
}
uint32_t _fdt_next_tag(const void *fdt, int startoffset, int *nextoffset);
const char *_fdt_find_string(const char *strtab, int tabsize, const char *s);
int _fdt_node_end_offset(void *fdt, int nodeoffset);