Ruby  2.1.10p492(2016-04-01revision54464)
st.h
Go to the documentation of this file.
1 /* This is a public domain general purpose hash table package written by Peter Moore @ UCB. */
2 
3 /* @(#) st.h 5.1 89/12/14 */
4 
5 #ifndef RUBY_ST_H
6 #define RUBY_ST_H 1
7 
8 #if defined(__cplusplus)
9 extern "C" {
10 #if 0
11 } /* satisfy cc-mode */
12 #endif
13 #endif
14 
15 #include "ruby/defines.h"
16 
18 
19 #if SIZEOF_LONG == SIZEOF_VOIDP
20 typedef unsigned long st_data_t;
21 #elif SIZEOF_LONG_LONG == SIZEOF_VOIDP
22 typedef unsigned LONG_LONG st_data_t;
23 #else
24 # error ---->> st.c requires sizeof(void*) == sizeof(long) or sizeof(LONG_LONG) to be compiled. <<----
25 #endif
26 #define ST_DATA_T_DEFINED
27 
28 #ifndef CHAR_BIT
29 # ifdef HAVE_LIMITS_H
30 # include <limits.h>
31 # else
32 # define CHAR_BIT 8
33 # endif
34 #endif
35 #ifndef _
36 # define _(args) args
37 #endif
38 #ifndef ANYARGS
39 # ifdef __cplusplus
40 # define ANYARGS ...
41 # else
42 # define ANYARGS
43 # endif
44 #endif
45 
46 typedef struct st_table st_table;
47 
51 
52 typedef char st_check_for_sizeof_st_index_t[SIZEOF_VOIDP == (int)sizeof(st_index_t) ? 1 : -1];
53 #define SIZEOF_ST_INDEX_T SIZEOF_VOIDP
54 
55 struct st_hash_type {
56  int (*compare)(ANYARGS /*st_data_t, st_data_t*/); /* st_compare_func* */
57  st_index_t (*hash)(ANYARGS /*st_data_t*/); /* st_hash_func* */
58 };
59 
60 #define ST_INDEX_BITS (sizeof(st_index_t) * CHAR_BIT)
61 
62 #if defined(HAVE_BUILTIN___BUILTIN_CHOOSE_EXPR) && defined(HAVE_BUILTIN___BUILTIN_TYPES_COMPATIBLE_P)
63 # define ST_DATA_COMPATIBLE_P(type) \
64  __builtin_choose_expr(__builtin_types_compatible_p(type, st_data_t), 1, 0)
65 #else
66 # define ST_DATA_COMPATIBLE_P(type) 0
67 #endif
68 
69 struct st_table {
70  const struct st_hash_type *type;
72  unsigned int entries_packed : 1;
73 #ifdef __GNUC__
74  /*
75  * C spec says,
76  * A bit-field shall have a type that is a qualified or unqualified
77  * version of _Bool, signed int, unsigned int, or some other
78  * implementation-defined type. It is implementation-defined whether
79  * atomic types are permitted.
80  * In short, long and long long bit-field are implementation-defined
81  * feature. Therefore we want to supress a warning explicitly.
82  */
83  __extension__
84 #endif
86  union {
87  struct {
88  struct st_table_entry **bins;
90  } big;
91  struct {
94  } packed;
95  } as;
96 };
97 
98 #define st_is_member(table,key) st_lookup((table),(key),(st_data_t *)0)
99 
101 
102 st_table *st_init_table(const struct st_hash_type *);
110 int st_delete(st_table *, st_data_t *, st_data_t *); /* returns 0:notfound 1:deleted */
112 int st_shift(st_table *, st_data_t *, st_data_t *); /* returns 0:notfound 1:deleted */
117 typedef int st_update_callback_func(st_data_t *key, st_data_t *value, st_data_t arg, int existing);
119 int st_foreach(st_table *, int (*)(ANYARGS), st_data_t);
121 int st_reverse_foreach(st_table *, int (*)(ANYARGS), st_data_t);
127 void st_free_table(st_table *);
129 void st_clear(st_table *);
133 int st_locale_insensitive_strcasecmp(const char *s1, const char *s2);
134 int st_locale_insensitive_strncasecmp(const char *s1, const char *s2, size_t n);
135 #define st_strcasecmp st_locale_insensitive_strcasecmp
136 #define st_strncasecmp st_locale_insensitive_strncasecmp
137 size_t st_memsize(const st_table *);
138 st_index_t st_hash(const void *ptr, size_t len, st_index_t h);
143 #define st_hash_start(h) ((st_index_t)(h))
144 
146 
147 #if defined(__cplusplus)
148 #if 0
149 { /* satisfy cc-mode */
150 #endif
151 } /* extern "C" { */
152 #endif
153 
154 #endif /* RUBY_ST_H */
Definition: st.h:100
#define st_hash_start(h)
Definition: st.h:143
Definition: st.h:69
st_index_t st_hash_uint(st_index_t h, st_index_t i)
Definition: st.c:1562
Definition: st.h:100
int st_insert(st_table *, st_data_t, st_data_t)
st_index_t st_hash_uint32(st_index_t h, uint32_t i)
Definition: st.c:1556
int st_locale_insensitive_strcasecmp(const char *s1, const char *s2)
Definition: st.c:1616
int st_numcmp(st_data_t, st_data_t)
Definition: st.c:1685
st_index_t num_bins
Definition: st.h:71
struct st_packed_entry * entries
Definition: st.h:92
SSL_METHOD *(* func)(void)
Definition: ossl_ssl.c:113
void st_free_table(st_table *)
Definition: st.c:334
int st_get_key(st_table *, st_data_t, st_data_t *)
st_table * st_init_strtable(void)
Definition: st.c:284
#define ST_INDEX_BITS
Definition: st.h:60
st_data_t st_index_t
Definition: st.h:48
int st_update(st_table *table, st_data_t key, st_update_callback_func *func, st_data_t arg)
Definition: st.c:867
unsigned int entries_packed
Definition: st.h:72
RUBY_SYMBOL_EXPORT_BEGIN typedef unsigned long st_data_t
Definition: st.h:20
st_index_t st_hash_func(st_data_t)
Definition: st.h:50
int st_insert2(st_table *, st_data_t, st_data_t, st_data_t(*)(st_data_t))
st_table * st_init_strcasetable(void)
Definition: st.c:296
char st_check_for_sizeof_st_index_t[SIZEOF_VOIDP==(int) sizeof(st_index_t) ? 1 :-1]
Definition: st.h:52
int st_lookup(st_table *, st_data_t, st_data_t *)
st_table * st_init_strcasetable_with_size(st_index_t)
Definition: st.c:302
Definition: st.c:20
struct st_table::@120::@122 packed
void st_add_direct(st_table *, st_data_t, st_data_t)
Definition: st.c:629
int st_delete(st_table *, st_data_t *, st_data_t *)
int st_compare_func(st_data_t, st_data_t)
Definition: st.h:49
struct st_table_entry * head
Definition: st.h:89
st_index_t(* hash)(ANYARGS)
Definition: st.h:57
union st_table::@120 as
st_table * st_init_strtable_with_size(st_index_t)
Definition: st.c:290
st_index_t st_hash_end(st_index_t h)
Definition: st.c:1593
st_index_t st_values(st_table *table, st_data_t *values, st_index_t size)
Definition: st.c:1171
#define RUBY_SYMBOL_EXPORT_END
Definition: missing.h:39
Definition: st.c:28
st_retval
Definition: st.h:100
struct st_table_entry ** bins
Definition: st.h:88
#define RUBY_SYMBOL_EXPORT_BEGIN
Definition: missing.h:38
st_index_t st_values_check(st_table *table, st_data_t *values, st_index_t size, st_data_t never)
Definition: st.c:1177
st_table * st_init_numtable(void)
Definition: st.c:272
unsigned int uint32_t
Definition: sha2.h:101
st_index_t st_hash(const void *ptr, size_t len, st_index_t h)
Definition: st.c:1429
st_table * st_init_table_with_size(const struct st_hash_type *, st_index_t)
Definition: st.c:229
int size
Definition: encoding.c:49
int st_shift(st_table *, st_data_t *, st_data_t *)
size_t st_memsize(const st_table *)
Definition: st.c:342
#define ANYARGS
Definition: defines.h:98
uint8_t key[16]
Definition: random.c:1250
int st_reverse_foreach(st_table *, int(*)(ANYARGS), st_data_t)
int st_foreach_check(st_table *, int(*)(ANYARGS), st_data_t, st_data_t)
Definition: st.c:942
st_index_t real_entries
Definition: st.h:93
const struct st_hash_type * type
Definition: st.h:70
st_index_t st_keys(st_table *table, st_data_t *keys, st_index_t size)
Definition: st.c:1130
int(* compare)(ANYARGS)
Definition: st.h:56
Definition: st.h:100
st_index_t st_keys_check(st_table *table, st_data_t *keys, st_index_t size, st_data_t never)
Definition: st.c:1136
void st_cleanup_safe(st_table *, st_data_t)
Definition: st.c:830
st_table * st_copy(st_table *)
Definition: st.c:663
void st_clear(st_table *)
Definition: st.c:308
st_table * st_init_table(const struct st_hash_type *)
Definition: st.c:266
st_table * st_init_numtable_with_size(st_index_t)
Definition: st.c:278
struct st_table_entry * tail
Definition: st.h:89
int st_delete_safe(st_table *, st_data_t *, st_data_t *, st_data_t)
st_index_t num_entries
Definition: st.h:85
st_index_t st_numhash(st_data_t)
Definition: st.c:1691
int st_update_callback_func(st_data_t *key, st_data_t *value, st_data_t arg, int existing)
Definition: st.h:117
int st_foreach(st_table *, int(*)(ANYARGS), st_data_t)
Definition: st.c:1034
int st_locale_insensitive_strncasecmp(const char *s1, const char *s2, size_t n)
Definition: st.c:1640
struct st_table::@120::@121 big