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string_utils.h
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1 /*-------------------------------------------------------------------------
2  *
3  * String-processing utility routines for frontend code
4  *
5  * Utility functions that interpret backend output or quote strings for
6  * assorted contexts.
7  *
8  *
9  * Portions Copyright (c) 1996-2017, PostgreSQL Global Development Group
10  * Portions Copyright (c) 1994, Regents of the University of California
11  *
12  * src/include/fe_utils/string_utils.h
13  *
14  *-------------------------------------------------------------------------
15  */
16 #ifndef STRING_UTILS_H
17 #define STRING_UTILS_H
18 
19 #include "libpq-fe.h"
20 #include "pqexpbuffer.h"
21 
22 /* Global variables controlling behavior of fmtId() and fmtQualifiedId() */
23 extern int quote_all_identifiers;
24 extern PQExpBuffer (*getLocalPQExpBuffer) (void);
25 
26 /* Functions */
27 extern const char *fmtId(const char *identifier);
28 extern const char *fmtQualifiedId(int remoteVersion,
29  const char *schema, const char *id);
30 
31 extern char *formatPGVersionNumber(int version_number, bool include_minor,
32  char *buf, size_t buflen);
33 
34 extern void appendStringLiteral(PQExpBuffer buf, const char *str,
35  int encoding, bool std_strings);
36 extern void appendStringLiteralConn(PQExpBuffer buf, const char *str,
37  PGconn *conn);
38 extern void appendStringLiteralDQ(PQExpBuffer buf, const char *str,
39  const char *dqprefix);
41  const unsigned char *str, size_t length,
42  bool std_strings);
43 
44 extern void appendShellString(PQExpBuffer buf, const char *str);
45 extern bool appendShellStringNoError(PQExpBuffer buf, const char *str);
46 extern void appendConnStrVal(PQExpBuffer buf, const char *str);
47 extern void appendPsqlMetaConnect(PQExpBuffer buf, const char *dbname);
48 
49 extern bool parsePGArray(const char *atext, char ***itemarray, int *nitems);
50 
51 extern bool appendReloptionsArray(PQExpBuffer buffer, const char *reloptions,
52  const char *prefix, int encoding, bool std_strings);
53 
55  const char *pattern,
56  bool have_where, bool force_escape,
57  const char *schemavar, const char *namevar,
58  const char *altnamevar, const char *visibilityrule);
59 
60 #endif /* STRING_UTILS_H */
int length(const List *list)
Definition: list.c:1309
PQExpBufferData * PQExpBuffer
Definition: pqexpbuffer.h:51
void appendPsqlMetaConnect(PQExpBuffer buf, const char *dbname)
Definition: string_utils.c:596
bool appendShellStringNoError(PQExpBuffer buf, const char *str)
Definition: string_utils.c:446
int quote_all_identifiers
Definition: ruleutils.c:298
void appendByteaLiteral(PQExpBuffer buf, const unsigned char *str, size_t length, bool std_strings)
Definition: string_utils.c:379
void appendShellString(PQExpBuffer buf, const char *str)
Definition: string_utils.c:434
void appendStringLiteralDQ(PQExpBuffer buf, const char *str, const char *dqprefix)
Definition: string_utils.c:336
PGconn * conn
Definition: streamutil.c:46
static char * buf
Definition: pg_test_fsync.c:67
bool parsePGArray(const char *atext, char ***itemarray, int *nitems)
Definition: string_utils.c:663
bool appendReloptionsArray(PQExpBuffer buffer, const char *reloptions, const char *prefix, int encoding, bool std_strings)
Definition: string_utils.c:747
char * formatPGVersionNumber(int version_number, bool include_minor, char *buf, size_t buflen)
Definition: string_utils.c:182
static char * encoding
Definition: initdb.c:123
void appendStringLiteralConn(PQExpBuffer buf, const char *str, PGconn *conn)
Definition: string_utils.c:298
const char * fmtId(const char *identifier)
Definition: string_utils.c:66
void appendConnStrVal(PQExpBuffer buf, const char *str)
Definition: string_utils.c:551
WalTimeSample buffer[LAG_TRACKER_BUFFER_SIZE]
Definition: walsender.c:214
bool processSQLNamePattern(PGconn *conn, PQExpBuffer buf, const char *pattern, bool have_where, bool force_escape, const char *schemavar, const char *namevar, const char *altnamevar, const char *visibilityrule)
Definition: string_utils.c:833
char * dbname
Definition: streamutil.c:42
PQExpBuffer(* getLocalPQExpBuffer)(void)
Definition: string_utils.c:29
const char * fmtQualifiedId(int remoteVersion, const char *schema, const char *id)
Definition: string_utils.c:150
void appendStringLiteral(PQExpBuffer buf, const char *str, int encoding, bool std_strings)
Definition: string_utils.c:220