input.h

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/*
 * psql - the PostgreSQL interactive terminal
 *
 * Copyright (c) 2000-2026, PostgreSQL Global Development Group
 *
 * src/bin/psql/input.h
 */
#ifndef INPUT_H
#define INPUT_H
 
/*
 * If some other file needs to have access to readline/history, include this
 * file and save yourself all this work.
 *
 * USE_READLINE is what to conditionalize readline-dependent code on.
 */
#ifdef HAVE_LIBREADLINE
#define USE_READLINE 1
 
/*
 * Readline headers trigger a lot of warnings with our preferred compiler flags
 * (at least -Wstrict-prototypes is known to be problematic). The system_header
 * pragma hides warnings from within the rest of this file, if supported.
 */
#ifdef HAVE_PRAGMA_GCC_SYSTEM_HEADER
#pragma GCC system_header
#endif
 
#if defined(HAVE_READLINE_READLINE_H)
#include <readline/readline.h>
#if defined(HAVE_READLINE_HISTORY_H)
#include <readline/history.h>
#endif
#elif defined(HAVE_EDITLINE_READLINE_H)
#include <editline/readline.h>
#if defined(HAVE_EDITLINE_HISTORY_H)
#include <editline/history.h>
#endif
#elif defined(HAVE_READLINE_H)
#include <readline.h>
#if defined(HAVE_HISTORY_H)
#include <history.h>
#endif
#endif                          /* HAVE_READLINE_READLINE_H, etc */
#endif                          /* HAVE_LIBREADLINE */
 
#include "pqexpbuffer.h"
 
 
extern char *gets_interactive(const char *prompt, PQExpBuffer query_buf);
extern char *gets_fromFile(FILE *source);
 
extern void initializeInput(int flags);
 
extern bool printHistory(const char *fname, unsigned short int pager);
 
extern void pg_append_history(const char *s, PQExpBuffer history_buf);
extern void pg_send_history(PQExpBuffer history_buf);
 
#endif                          /* INPUT_H */