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target: make it absolutely clear that no null pointers are accepted 

there are no comments about what the rules w.r.t. null pointers
are and it is inconsistent.

It's simply a bug in the app if we ask about the properties of a null
pointer w.r.t. what kind of target it is. It's equally wrong to say
that it is an arm target as that it isn't an arm target.

Change-Id: I0925a6a5c8b38e594ffa7c3ca4390487b5e9b718
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
Reviewed-on: http://openocd.zylin.com/168
Tested-by: jenkins
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
This commit is contained in:
Øyvind Harboe 2011-11-05 13:06:35 +01:00 committed by Andreas Fritiofson
parent 9e1a16690e
commit a943ec1ca9
1 changed files with 3 additions and 1 deletions
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4
src/target/arm.h
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@ -176,12 +176,14 @@ struct arm {
/** Convert target handle to generic ARM target state handle. */
static inline struct arm *target_to_arm(struct target *target)
{
assert(target != NULL);
return target->arch_info;
}
static inline bool is_arm(struct arm *arm)
{
return arm && arm->common_magic == ARM_COMMON_MAGIC;
assert(arm != NULL);
return arm->common_magic == ARM_COMMON_MAGIC;
}
struct arm_algorithm {