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dtc: Enable and fix -Wpointer-arith warnings

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This patch turns on the -Wpointer-arith option in the dtc Makefile,
and fixes the resulting warnings due to using (void *) in pointer
arithmetic.  While convenient, pointer arithmetic on void * is not
portable, so it's better that we avoid it, particularly in libfdt.

Also add necessary definition of uintptr_t needed by David Gibson's
changeset "dtc: Enable and fix -Wpointer-arith warnings" (the definition
comes from stdint.h, which u-boot doesn't have). -- gvb

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Gerald Van Baren <vanbaren@cideas.com>
This commit is contained in:
David Gibson
2008-07-07 10:10:48 +10:00
committed by Gerald Van Baren
parent afe3848b79
commit ef4e8ce1be
7 changed files with 47 additions and 30 deletions
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6
libfdt/libfdt_internal.h
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@@ -72,7 +72,7 @@ int _fdt_node_end_offset(void *fdt, int nodeoffset);
static inline const void *_fdt_offset_ptr(const void *fdt, int offset)
{
return fdt + fdt_off_dt_struct(fdt) + offset;
return (const char *)fdt + fdt_off_dt_struct(fdt) + offset;
}
static inline void *_fdt_offset_ptr_w(void *fdt, int offset)
@@ -82,8 +82,8 @@ static inline void *_fdt_offset_ptr_w(void *fdt, int offset)
static inline const struct fdt_reserve_entry *_fdt_mem_rsv(const void *fdt, int n)
{
const struct fdt_reserve_entry *rsv_table =
fdt + fdt_off_mem_rsvmap(fdt);
const struct fdt_reserve_entry *rsv_table = (struct fdt_reserve_entry *)
((const char *)fdt + fdt_off_mem_rsvmap(fdt));
return rsv_table + n;
}