/usr/include/pike7.8/pike/pike_macros.h is in pike7.8-dev 7.8.866-7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 | /*
|| This file is part of Pike. For copyright information see COPYRIGHT.
|| Pike is distributed under GPL, LGPL and MPL. See the file COPYING
|| for more information.
|| $Id: 254745669d97641ea3505c52a6146bf50ede5ad2 $
*/
#ifndef MACROS_H
#define MACROS_H
#include "global.h"
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#include "pike_memory.h"
#define PTR_TO_INT(PTR) ((size_t) ((char *) (PTR) - (char *) NULL))
#define OFFSETOF(str_type, field) \
PTR_TO_INT(& (((struct str_type *)NULL)->field))
#define BASEOF(ptr, str_type, field) \
((struct str_type *)((char*)ptr - OFFSETOF(str_type, field)))
#ifdef __cplusplus
extern "C++" {
template<typename T> static inline int low_alignof_(T *ignored)
{
struct { char x; T y;} *bar = NULL;
return PTR_TO_INT(&bar->y);
}
}
#define ALIGNOF(X) low_alignof_((X*)NULL)
#else
#define ALIGNOF(X) OFFSETOF({ char ignored_; X fooo_;}, fooo_)
#endif
/* #define ALIGNOF(X) PTR_TO_INT(&(((struct { char ignored_ ; X fooo_; } *)NULL)->fooo_)) */
#define NELEM(a) (sizeof (a) / sizeof ((a)[0]))
#define ALLOC_STRUCT(X) ( (struct X *)xalloc(sizeof(struct X)) )
#define MINIMUM(X,Y) ((X)<(Y)?(X):(Y))
#define MAXIMUM(X,Y) ((X)>(Y)?(X):(Y))
PMOD_EXPORT extern const char Pike_is8bitalnum_vector[];
#define is8bitalnum(X) (Pike_is8bitalnum_vector[((unsigned)(X))&0xff] == '1')
#define isidchar(X) is8bitalnum(X)
#ifndef HAVE_ISGRAPH
#define isgraph(X) (ispunct(X) || isupper(X) || islower(X) || isdigit(X))
#endif /* !HAVE_ISGRAPH */
#define DO_ALIGN(X,Y) (((size_t)(X)+((Y)-1)) & ~((Y)-1))
#define CONSTANT_STRLEN(X) (sizeof(X) - sizeof(""))
#define SET_NEXT_AND_FREE(p,free_item) do{ \
next=p->next; \
while(p->refs == 1 && (next=p->next)) \
{ \
add_ref(next); \
free_item(p); \
p=next; \
} \
free_item(p); \
}while(0)
/* This variant never leaves p pointing at a deallocated block, as the
* one above can do. I.e. it frees a ref to the item p points at, and
* sets p to the same or next item with references, or sets it to
* zero. */
/* how can SET_NEXT_AND_FREE leave *next* pointing to a deallocated block?
* -Hubbe
*/
/* Afaik it doesn't, but it leaves no value that is usable for the
* purposes this macro was made for. /mast */
#define FREE_AND_GET_REFERENCED(p, item_type, free_item) do { \
item_type *next; \
while (1) { \
if (p->refs > 1) { \
free_item(p); \
break; \
} \
if (!(next = p->next)) { \
free_item(p); \
p = 0; \
break; \
} \
add_ref(next); \
free_item(p); \
p = next; \
} \
} while (0)
#define DOUBLELINK(first_object, o) do { \
debug_malloc_touch(o); \
o->next=first_object; \
o->prev=0; \
if(first_object) first_object->prev=o; \
first_object=o; \
}while(0)
#define DOUBLEUNLINK(first_object,o) do{ \
debug_malloc_touch(o); \
if(o->prev) { \
o->prev->next=o->next; \
}else { \
DO_IF_DEBUG( \
if(first_object != o) { \
describe(o); \
Pike_fatal("Linked in wrong list!\n"); \
} \
) \
first_object=o->next; \
} \
\
if(o->next) o->next->prev=o->prev; \
}while(0)
#define PIKE_XCONCAT(X,Y) PIKE_CONCAT(X,Y)
#define PIKE_XCONCAT3(X,Y,Z) PIKE_CONCAT(X,Y,Z)
#define PIKE_XCONCAT4(X,Y,Z,Q) PIKE_CONCAT(X,Y,Z,Q)
/* Useful to get a literal comma in an argument to a macro. */
#define COMMA ,
/* Necessary to pass an empty argument to a macro for some preprocessors. */
#define NOTHING
/* Needed for fsort_template.h */
PMOD_EXPORT int my_log2(size_t x);
#endif
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