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defs: use intptr types where applicaple

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Instead of doing pointer arithmetic through actual pointers, cast them
to the proper integer types.
This is functionally equivalent to the previous code but is clearer for
the compiler.

Fixes #1018
This commit is contained in:
Thomas Weißschuh 2021-11-01 21:01:18 +01:00 • committed by Wim Taymans
parent bbc2136e89
commit 4921c5e94b
1 changed files with 3 additions and 3 deletions
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6
spa/include/spa/utils/defs.h
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@ -163,7 +163,7 @@ struct spa_fraction {
/**
* Return the address (buffer + offset) as pointer of \a type
*/
#define SPA_PTROFF(ptr_,offset_,type_) ((type_*)((uint8_t*)(ptr_) + (int)(offset_)))
#define SPA_PTROFF(ptr_,offset_,type_) ((type_*)((uintptr_t)(ptr_) + (ptrdiff_t)(offset_)))
#define SPA_PTROFF_ALIGN(ptr_,offset_,alignment_,type_) \
SPA_PTR_ALIGN(SPA_PTROFF(ptr_,offset_,type_),alignment_,type_)
@ -174,9 +174,9 @@ struct spa_fraction {
#define SPA_MEMBER(b,o,t) SPA_PTROFF(b,o,t)
#define SPA_MEMBER_ALIGN(b,o,a,t) SPA_PTROFF_ALIGN(b,o,a,t)
#define SPA_CONTAINER_OF(p,t,m) (t*)((uint8_t*)p - offsetof (t,m))
#define SPA_CONTAINER_OF(p,t,m) (t*)((uintptr_t)p - offsetof (t,m))
#define SPA_PTRDIFF(p1,p2) ((uint8_t*)(p1) - (uint8_t*)(p2))
#define SPA_PTRDIFF(p1,p2) ((intptr_t)(p1) - (intptr_t)(p2))
#define SPA_PTR_TO_INT(p) ((int) ((intptr_t) (p)))
#define SPA_INT_TO_PTR(u) ((void*) ((intptr_t) (u)))