diff options
Diffstat (limited to 'src/bin/psql/input.c')
| -rw-r--r-- | src/bin/psql/input.c | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/src/bin/psql/input.c b/src/bin/psql/input.c deleted file mode 100644 index 6e083506f3e..00000000000 --- a/src/bin/psql/input.c +++ /dev/null @@ -1,218 +0,0 @@ -/* - * psql - the PostgreSQL interactive terminal - * - * Copyright 2000 by PostgreSQL Global Development Group - * - * $Header: /cvsroot/pgsql/src/bin/psql/input.c,v 1.19 2002/04/10 22:46:58 petere Exp $ - */ -#include "postgres_fe.h" -#include "input.h" - -#include <errno.h> - -#include "pqexpbuffer.h" -#include "settings.h" -#include "tab-complete.h" -#include "common.h" - -/* Runtime options for turning off readline and history */ -/* (of course there is no runtime command for doing that :) */ -#ifdef USE_READLINE -static bool useReadline; -static bool useHistory; -#endif - -#ifdef HAVE_ATEXIT -static void finishInput(void); - -#else -/* designed for use with on_exit() */ -static void finishInput(int, void *); -#endif - - -/* - * gets_interactive() - * - * Gets a line of interactive input, using readline of desired. - * The result is malloced. - */ -char * -gets_interactive(char *prompt) -{ - char *s; - -#ifdef USE_READLINE - const char *var; - static char *prev_hist = NULL; -#endif - -#ifdef USE_READLINE - if (useReadline) - s = readline(prompt); - else - { -#endif - fputs(prompt, stdout); - fflush(stdout); - s = gets_fromFile(stdin); -#ifdef USE_READLINE - } -#endif - -#ifdef USE_READLINE - if (useHistory && s && s[0] != '\0') - { - var = GetVariable(pset.vars, "HISTCONTROL"); - if (!var || (var - && !((strcmp(var, "ignorespace") == 0 || strcmp(var, "ignoreboth") == 0) && s[0] == ' ') - && !((strcmp(var, "ignoredups") == 0 || strcmp(var, "ignoreboth") == 0) && prev_hist && strcmp(s, prev_hist) == 0) - )) - { - free(prev_hist); - prev_hist = strdup(s); - add_history(s); - } - } -#endif - - return s; -} - - - -/* - * gets_fromFile - * - * Gets a line of noninteractive input from a file (which could be stdin). - */ -char * -gets_fromFile(FILE *source) -{ - PQExpBufferData buffer; - char line[1024]; - - initPQExpBuffer(&buffer); - - while (fgets(line, sizeof(line), source) != NULL) - { - appendPQExpBufferStr(&buffer, line); - if (buffer.data[buffer.len - 1] == '\n') - { - buffer.data[buffer.len - 1] = '\0'; - return buffer.data; - } - } - - if (buffer.len > 0) - return buffer.data; /* EOF after reading some bufferload(s) */ - - /* EOF, so return null */ - termPQExpBuffer(&buffer); - return NULL; -} - - - -/* - * Put any startup stuff related to input in here. It's good to maintain - * abstraction this way. - * - * The only "flag" right now is 1 for use readline & history. - */ -void -initializeInput(int flags) -{ -#ifdef USE_READLINE - if (flags == 1) - { - useReadline = true; - initialize_readline(); - } -#endif - -#ifdef USE_READLINE - if (flags == 1) - { - const char *home; - - useHistory = true; - SetVariable(pset.vars, "HISTSIZE", "500"); - using_history(); - home = getenv("HOME"); - if (home) - { - char *psql_history = (char *) malloc(strlen(home) + 20); - - if (psql_history) - { - sprintf(psql_history, "%s/.psql_history", home); - read_history(psql_history); - free(psql_history); - } - } - } -#endif - -#ifdef HAVE_ATEXIT - atexit(finishInput); -#else - on_exit(finishInput, NULL); -#endif -} - - - -bool -saveHistory(char *fname) -{ -#ifdef USE_READLINE - if (useHistory && fname) - { - if (write_history(fname) != 0) - { - psql_error("could not save history to %s: %s\n", fname, strerror(errno)); - return false; - } - return true; - } - else - return false; -#else - return false; -#endif -} - - - -static void -#ifdef HAVE_ATEXIT -finishInput(void) -#else -finishInput(int exitstatus, void *arg) -#endif -{ -#ifdef USE_READLINE - if (useHistory) - { - char *home; - char *psql_history; - - home = getenv("HOME"); - if (home) - { - psql_history = (char *) malloc(strlen(home) + 20); - if (psql_history) - { - const char *var = GetVariable(pset.vars, "HISTSIZE"); - - if (var) - stifle_history(atoi(var)); - sprintf(psql_history, "%s/.psql_history", home); - write_history(psql_history); - free(psql_history); - } - } - } -#endif -} |