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Stabilize printable logging helper buffer lifetime #83

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Stabilize printable logging helper buffer lifetime #83

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16 changes: 14 additions & 2 deletions include/glatter/glatter_def.h
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Original file line number Diff line number Diff line change
Expand Up @@ -1441,7 +1441,7 @@ Printable;


GLATTER_INLINE_OR_NOT
Printable get_prs(size_t sz, void* obj)
Printable glatter_prs_format(size_t sz, const void* obj)
{
Printable ret;
memset(&ret, 0, sizeof ret);
Expand Down Expand Up @@ -1496,6 +1496,18 @@ Printable get_prs(size_t sz, void* obj)
return ret;
}

GLATTER_INLINE_OR_NOT
const char* glatter_prs_to_string(size_t sz, const void* obj)
{
enum { GLATTER_PRS_SLOTS = 8 };
static GLATTER_THREAD_LOCAL Printable slots[GLATTER_PRS_SLOTS];
static GLATTER_THREAD_LOCAL unsigned slot_index;

Printable* slot = &slots[slot_index++ % GLATTER_PRS_SLOTS];
*slot = glatter_prs_format(sz, obj);
return slot->data;
}



GLATTER_INLINE_OR_NOT
Expand Down Expand Up @@ -1684,7 +1696,7 @@ void glatter_dbg_return(const char* fmt, ...)
#endif

#define GET_PRS(v)\
(get_prs(sizeof(v), (void*)(&(v))).data)
(glatter_prs_to_string(sizeof(v), (const void*)(&(v))))


#if defined(__llvm__) || defined (__clang__)
Expand Down