src/include/utils/builtins.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * builtins.h
   4  *        Declarations for operations on built-in types.
   5  *
   6  *
   7  * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
   8  * Portions Copyright (c) 1994, Regents of the University of California
   9  *
  10  * src/include/utils/builtins.h
  11  *
  12  *-------------------------------------------------------------------------
  13  */
  14 #ifndef BUILTINS_H
  15 #define BUILTINS_H
  16
  17 #include "fmgr.h"
  18 #include "nodes/nodes.h"
  19 #include "utils/fmgrprotos.h"
  20
  21 /* Sign + the most decimal digits an 8-byte number could have */
  22 #define MAXINT8LEN 20
  23
  24 /* bool.c */
  25 extern bool parse_bool(const char *value, bool *result);
  26 extern bool parse_bool_with_len(const char *value, size_t len, bool *result);
  27
  28 /* domains.c */
  29 extern void domain_check(Datum value, bool isnull, Oid domainType,
  30                                                  void **extra, MemoryContext mcxt);
  31 extern int      errdatatype(Oid datatypeOid);
  32 extern int      errdomainconstraint(Oid datatypeOid, const char *conname);
  33
  34 /* encode.c */
  35 extern uint64 hex_encode(const char *src, size_t len, char *dst);
  36 extern uint64 hex_decode(const char *src, size_t len, char *dst);
  37 extern uint64 hex_decode_safe(const char *src, size_t len, char *dst,
  38                                                           Node *escontext);
  39
  40 /* int.c */
  41 extern int2vector *buildint2vector(const int16 *int2s, int n);
  42
  43 /* name.c */
  44 extern void namestrcpy(Name name, const char *str);
  45 extern int      namestrcmp(Name name, const char *str);
  46
  47 /* numutils.c */
  48 extern int16 pg_strtoint16(const char *s);
  49 extern int16 pg_strtoint16_safe(const char *s, Node *escontext);
  50 extern int32 pg_strtoint32(const char *s);
  51 extern int32 pg_strtoint32_safe(const char *s, Node *escontext);
  52 extern int64 pg_strtoint64(const char *s);
  53 extern int64 pg_strtoint64_safe(const char *s, Node *escontext);
  54 extern int      pg_itoa(int16 i, char *a);
  55 extern int      pg_ultoa_n(uint32 value, char *a);
  56 extern int      pg_ulltoa_n(uint64 value, char *a);
  57 extern int      pg_ltoa(int32 value, char *a);
  58 extern int      pg_lltoa(int64 value, char *a);
  59 extern char *pg_ultostr_zeropad(char *str, uint32 value, int32 minwidth);
  60 extern char *pg_ultostr(char *str, uint32 value);
  61
  62 /* oid.c */
  63 extern oidvector *buildoidvector(const Oid *oids, int n);
  64 extern Oid      oidparse(Node *node);
  65 extern int      oid_cmp(const void *p1, const void *p2);
  66
  67 /* regexp.c */
  68 extern char *regexp_fixed_prefix(text *text_re, bool case_insensitive,
  69                                                                  Oid collation, bool *exact);
  70
  71 /* ruleutils.c */
  72 extern PGDLLIMPORT bool quote_all_identifiers;
  73 extern const char *quote_identifier(const char *ident);
  74 extern char *quote_qualified_identifier(const char *qualifier,
  75                                                                                 const char *ident);
  76 extern void generate_operator_clause(fmStringInfo buf,
  77                                                                          const char *leftop, Oid leftoptype,
  78                                                                          Oid opoid,
  79                                                                          const char *rightop, Oid rightoptype);
  80
  81 /* varchar.c */
  82 extern int      bpchartruelen(char *s, int len);
  83
  84 /* popular functions from varlena.c */
  85 extern text *cstring_to_text(const char *s);
  86 extern text *cstring_to_text_with_len(const char *s, int len);
  87 extern char *text_to_cstring(const text *t);
  88 extern void text_to_cstring_buffer(const text *src, char *dst, size_t dst_len);
  89
  90 #define CStringGetTextDatum(s) PointerGetDatum(cstring_to_text(s))
  91 #define TextDatumGetCString(d) text_to_cstring((text *) DatumGetPointer(d))
  92
  93 /* xid.c */
  94 extern int      xidComparator(const void *arg1, const void *arg2);
  95 extern int      xidLogicalComparator(const void *arg1, const void *arg2);
  96
  97 /* inet_cidr_ntop.c */
  98 extern char *pg_inet_cidr_ntop(int af, const void *src, int bits,
  99                                                            char *dst, size_t size);
 100
 101 /* inet_net_pton.c */
 102 extern int      pg_inet_net_pton(int af, const char *src,
 103                                                          void *dst, size_t size);
 104
 105 /* network.c */
 106 extern double convert_network_to_scalar(Datum value, Oid typid, bool *failure);
 107 extern Datum network_scan_first(Datum in);
 108 extern Datum network_scan_last(Datum in);
 109 extern void clean_ipv6_addr(int addr_family, char *addr);
 110
 111 /* numeric.c */
 112 extern Datum numeric_float8_no_overflow(PG_FUNCTION_ARGS);
 113
 114 /* format_type.c */
 115
 116 /* Control flags for format_type_extended */
 117 #define FORMAT_TYPE_TYPEMOD_GIVEN       0x01    /* typemod defined by caller */
 118 #define FORMAT_TYPE_ALLOW_INVALID       0x02    /* allow invalid types */
 119 #define FORMAT_TYPE_FORCE_QUALIFY       0x04    /* force qualification of type */
 120 #define FORMAT_TYPE_INVALID_AS_NULL     0x08    /* NULL if undefined */
 121 extern char *format_type_extended(Oid type_oid, int32 typemod, bits16 flags);
 122
 123 extern char *format_type_be(Oid type_oid);
 124 extern char *format_type_be_qualified(Oid type_oid);
 125 extern char *format_type_with_typemod(Oid type_oid, int32 typemod);
 126
 127 extern int32 type_maximum_size(Oid type_oid, int32 typemod);
 128
 129 /* quote.c */
 130 extern char *quote_literal_cstr(const char *rawstr);
 131
 132 #endif                                                  /* BUILTINS_H */