common.h

PostgreSQL 8.1.4的源码 适用于Linux下的开源数据库系统

/*
 * psql - the PostgreSQL interactive terminal
 *
 * Copyright (c) 2000-2005, PostgreSQL Global Development Group
 *
 * $PostgreSQL: pgsql/src/bin/psql/common.h,v 1.45 2005/10/15 02:49:40 momjian Exp $
 */
#ifndef COMMON_H
#define COMMON_H

#include "postgres_fe.h"
#include <signal.h>
#include "pqsignal.h"
#include "libpq-fe.h"

#ifdef USE_ASSERT_CHECKING
#include <assert.h>
#define psql_assert(p) assert(p)
#else
#define psql_assert(p)
#endif

#define atooid(x)  ((Oid) strtoul((x), NULL, 10))

/*
 * Safer versions of some standard C library functions. If an
 * out-of-memory condition occurs, these functions will bail out
 * safely; therefore, their return value is guaranteed to be non-NULL.
 */
extern char *pg_strdup(const char *string);
extern void *pg_malloc(size_t size);
extern void *pg_malloc_zero(size_t size);
extern void *pg_calloc(size_t nmemb, size_t size);

extern bool setQFout(const char *fname);

extern void
psql_error(const char *fmt,...)
/* This lets gcc check the format string for consistency. */
__attribute__((format(printf, 1, 2)));

extern void NoticeProcessor(void *arg, const char *message);

extern volatile bool cancel_pressed;

extern void ResetCancelConn(void);

#ifndef WIN32
extern void handle_sigint(SIGNAL_ARGS);
#else
extern void setup_win32_locks(void);
extern void setup_cancel_handler(void);
#endif

extern PGresult *PSQLexec(const char *query, bool start_xact);

extern bool SendQuery(const char *query);

extern bool is_superuser(void);
extern const char *session_username(void);

extern char *expand_tilde(char **filename);

#endif   /* COMMON_H */