summaryrefslogtreecommitdiffstats
path: root/tcl8.6/pkgs/tdbcpostgres1.0.6/generic/int2ptr_ptr2int.h
blob: 4b0a15d302cb41a82941e5ab201af321966d5160 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
/*
 * Macros used to cast between pointers and integers (e.g. when storing an int
 * in ClientData), on 64-bit architectures they avoid gcc warning about "cast
 * to/from pointer from/to integer of different size".
 */

#if !defined(INT2PTR) && !defined(PTR2INT)
#   if defined(HAVE_INTPTR_T) || defined(intptr_t)
#	define INT2PTR(p) ((void *)(intptr_t)(p))
#	define PTR2INT(p) ((int)(intptr_t)(p))
#   else
#	define INT2PTR(p) ((void *)(p))
#	define PTR2INT(p) ((int)(p))
#   endif
#endif
#if !defined(UINT2PTR) && !defined(PTR2UINT)
#   if defined(HAVE_UINTPTR_T) || defined(uintptr_t)
#	define UINT2PTR(p) ((void *)(uintptr_t)(p))
#	define PTR2UINT(p) ((unsigned int)(uintptr_t)(p))
#   else
#	define UINT2PTR(p) ((void *)(p))
#	define PTR2UINT(p) ((unsigned int)(p))
#   endif
#endif