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-rw-r--r--src/bin/psql/common.c584
1 files changed, 0 insertions, 584 deletions
diff --git a/src/bin/psql/common.c b/src/bin/psql/common.c
deleted file mode 100644
index bd2c87fa7f6..00000000000
--- a/src/bin/psql/common.c
+++ /dev/null
@@ -1,584 +0,0 @@
-/*
- * psql - the PostgreSQL interactive terminal
- *
- * Copyright 2000 by PostgreSQL Global Development Group
- *
- * $Header: /cvsroot/pgsql/src/bin/psql/common.c,v 1.40 2002/03/06 06:10:31 momjian Exp $
- */
-#include "postgres_fe.h"
-
-#include "common.h"
-
-#include <errno.h>
-#include <stdarg.h>
-#include <sys/time.h>
-#ifdef HAVE_TERMIOS_H
-#include <termios.h>
-#endif
-#ifndef HAVE_STRDUP
-#include <strdup.h>
-#endif
-#include <signal.h>
-#ifndef WIN32
-#include <unistd.h> /* for write() */
-#include <setjmp.h>
-#else
-#include <io.h> /* for _write() */
-#include <win32.h>
-#endif
-
-#include "libpq-fe.h"
-#include "pqsignal.h"
-
-#include "settings.h"
-#include "variables.h"
-#include "copy.h"
-#include "prompt.h"
-#include "print.h"
-#include "mainloop.h"
-
-
-/*
- * "Safe" wrapper around strdup()
- */
-char *
-xstrdup(const char *string)
-{
- char *tmp;
-
- if (!string)
- {
- fprintf(stderr, gettext("%s: xstrdup: cannot duplicate null pointer (internal error)\n"),
- pset.progname);
- exit(EXIT_FAILURE);
- }
- tmp = strdup(string);
- if (!tmp)
- {
- psql_error("out of memory\n");
- exit(EXIT_FAILURE);
- }
- return tmp;
-}
-
-
-
-/*
- * setQFout
- * -- handler for -o command line option and \o command
- *
- * Tries to open file fname (or pipe if fname starts with '|')
- * and stores the file handle in pset)
- * Upon failure, sets stdout and returns false.
- */
-bool
-setQFout(const char *fname)
-{
- bool status = true;
-
- /* Close old file/pipe */
- if (pset.queryFout && pset.queryFout != stdout && pset.queryFout != stderr)
- {
- if (pset.queryFoutPipe)
- pclose(pset.queryFout);
- else
- fclose(pset.queryFout);
- }
-
- /* If no filename, set stdout */
- if (!fname || fname[0] == '\0')
- {
- pset.queryFout = stdout;
- pset.queryFoutPipe = false;
- }
- else if (*fname == '|')
- {
- pset.queryFout = popen(fname + 1, "w");
- pset.queryFoutPipe = true;
- }
- else
- {
- pset.queryFout = fopen(fname, "w");
- pset.queryFoutPipe = false;
- }
-
- if (!(pset.queryFout))
- {
- psql_error("%s: %s\n", fname, strerror(errno));
- pset.queryFout = stdout;
- pset.queryFoutPipe = false;
- status = false;
- }
-
- /* Direct signals */
-#ifndef WIN32
- if (pset.queryFoutPipe)
- pqsignal(SIGPIPE, SIG_IGN);
- else
- pqsignal(SIGPIPE, SIG_DFL);
-#endif
-
- return status;
-}
-
-
-
-/*
- * Error reporting for scripts. Errors should look like
- * psql:filename:lineno: message
- *
- */
-void
-psql_error(const char *fmt,...)
-{
- va_list ap;
-
- fflush(stdout);
- if (pset.queryFout != stdout)
- fflush(pset.queryFout);
-
- if (pset.inputfile)
- fprintf(stderr, "%s:%s:%u: ", pset.progname, pset.inputfile, pset.lineno);
- va_start(ap, fmt);
- vfprintf(stderr, gettext(fmt), ap);
- va_end(ap);
-}
-
-
-
-/*
- * for backend INFO, WARNING, ERROR
- */
-void
-NoticeProcessor(void *arg, const char *message)
-{
- (void) arg; /* not used */
- psql_error("%s", message);
-}
-
-
-
-/*
- * simple_prompt
- *
- * Generalized function especially intended for reading in usernames and
- * password interactively. Reads from /dev/tty or stdin/stderr.
- *
- * prompt: The prompt to print
- * maxlen: How many characters to accept
- * echo: Set to false if you want to hide what is entered (for passwords)
- *
- * Returns a malloc()'ed string with the input (w/o trailing newline).
- */
-static bool prompt_state = false;
-
-char *
-simple_prompt(const char *prompt, int maxlen, bool echo)
-{
- int length;
- char *destination;
- FILE *termin,
- *termout;
-
-#ifdef HAVE_TERMIOS_H
- struct termios t_orig,
- t;
-#endif
-
- destination = (char *) malloc(maxlen + 2);
- if (!destination)
- return NULL;
-
- prompt_state = true; /* disable SIGINT */
-
- /*
- * Do not try to collapse these into one "w+" mode file. Doesn't work
- * on some platforms (eg, HPUX 10.20).
- */
- termin = fopen("/dev/tty", "r");
- termout = fopen("/dev/tty", "w");
- if (!termin || !termout)
- {
- if (termin)
- fclose(termin);
- if (termout)
- fclose(termout);
- termin = stdin;
- termout = stderr;
- }
-
-#ifdef HAVE_TERMIOS_H
- if (!echo)
- {
- tcgetattr(fileno(termin), &t);
- t_orig = t;
- t.c_lflag &= ~ECHO;
- tcsetattr(fileno(termin), TCSAFLUSH, &t);
- }
-#endif
-
- if (prompt)
- {
- fputs(gettext(prompt), termout);
- fflush(termout);
- }
-
- if (fgets(destination, maxlen, termin) == NULL)
- destination[0] = '\0';
-
- length = strlen(destination);
- if (length > 0 && destination[length - 1] != '\n')
- {
- /* eat rest of the line */
- char buf[128];
- int buflen;
-
- do
- {
- if (fgets(buf, sizeof(buf), termin) == NULL)
- break;
- buflen = strlen(buf);
- } while (buflen > 0 && buf[buflen - 1] != '\n');
- }
-
- if (length > 0 && destination[length - 1] == '\n')
- /* remove trailing newline */
- destination[length - 1] = '\0';
-
-#ifdef HAVE_TERMIOS_H
- if (!echo)
- {
- tcsetattr(fileno(termin), TCSAFLUSH, &t_orig);
- fputs("\n", termout);
- fflush(termout);
- }
-#endif
-
- if (termin != stdin)
- {
- fclose(termin);
- fclose(termout);
- }
-
- prompt_state = false; /* SIGINT okay again */
-
- return destination;
-}
-
-
-
-/*
- * Code to support query cancellation
- *
- * Before we start a query, we enable a SIGINT signal catcher that sends a
- * cancel request to the backend. Note that sending the cancel directly from
- * the signal handler is safe because PQrequestCancel() is written to make it
- * so. We use write() to print to stdout because it's better to use simple
- * facilities in a signal handler.
- */
-
-PGconn *cancelConn;
-volatile bool cancel_pressed;
-
-#ifndef WIN32
-
-#define write_stderr(String) write(fileno(stderr), String, strlen(String))
-
-void
-handle_sigint(SIGNAL_ARGS)
-{
- int save_errno = errno;
-
- /* Don't muck around if copying in or prompting for a password. */
- if ((copy_in_state && pset.cur_cmd_interactive) || prompt_state)
- return;
-
- if (cancelConn == NULL)
- siglongjmp(main_loop_jmp, 1);
-
- cancel_pressed = true;
-
- if (PQrequestCancel(cancelConn))
- write_stderr("Cancel request sent\n");
- else
- {
- write_stderr("Could not send cancel request: ");
- write_stderr(PQerrorMessage(cancelConn));
- }
- errno = save_errno; /* just in case the write changed it */
-}
-#endif /* not WIN32 */
-
-
-/*
- * PSQLexec
- *
- * This is the way to send "backdoor" queries (those not directly entered
- * by the user). It is subject to -E but not -e.
- */
-PGresult *
-PSQLexec(const char *query)
-{
- PGresult *res;
- const char *var;
-
- if (!pset.db)
- {
- psql_error("You are currently not connected to a database.\n");
- return NULL;
- }
-
- var = GetVariable(pset.vars, "ECHO_HIDDEN");
- if (var)
- {
- printf("********* QUERY **********\n"
- "%s\n"
- "**************************\n\n", query);
- fflush(stdout);
- }
-
- if (var && strcmp(var, "noexec") == 0)
- return NULL;
-
- cancelConn = pset.db;
- res = PQexec(pset.db, query);
- if (PQresultStatus(res) == PGRES_COPY_IN)
- copy_in_state = true;
- /* keep cancel connection for copy out state */
- if (PQresultStatus(res) != PGRES_COPY_OUT)
- cancelConn = NULL;
-
- if (res && (PQresultStatus(res) == PGRES_COMMAND_OK ||
- PQresultStatus(res) == PGRES_TUPLES_OK ||
- PQresultStatus(res) == PGRES_COPY_IN ||
- PQresultStatus(res) == PGRES_COPY_OUT)
- )
- return res;
- else
- {
- psql_error("%s", PQerrorMessage(pset.db));
- PQclear(res);
-
- if (PQstatus(pset.db) == CONNECTION_BAD)
- {
- if (!pset.cur_cmd_interactive)
- {
- psql_error("connection to server was lost\n");
- exit(EXIT_BADCONN);
- }
- fputs(gettext("The connection to the server was lost. Attempting reset: "), stderr);
- PQreset(pset.db);
- if (PQstatus(pset.db) == CONNECTION_BAD)
- {
- fputs(gettext("Failed.\n"), stderr);
- PQfinish(pset.db);
- pset.db = NULL;
- SetVariable(pset.vars, "DBNAME", NULL);
- SetVariable(pset.vars, "HOST", NULL);
- SetVariable(pset.vars, "PORT", NULL);
- SetVariable(pset.vars, "USER", NULL);
- SetVariable(pset.vars, "ENCODING", NULL);
- }
- else
- fputs(gettext("Succeeded.\n"), stderr);
- }
-
- return NULL;
- }
-}
-
-
-
-/*
- * SendQuery: send the query string to the backend
- * (and print out results)
- *
- * Note: This is the "front door" way to send a query. That is, use it to
- * send queries actually entered by the user. These queries will be subject to
- * single step mode.
- * To send "back door" queries (generated by slash commands, etc.) in a
- * controlled way, use PSQLexec().
- *
- * Returns true if the query executed successfully, false otherwise.
- */
-bool
-SendQuery(const char *query)
-{
- bool success = false;
- PGresult *results;
- PGnotify *notify;
- struct timeval before,after;
- struct timezone tz;
-
- if (!pset.db)
- {
- psql_error("You are currently not connected to a database.\n");
- return false;
- }
-
- if (GetVariableBool(pset.vars, "SINGLESTEP"))
- {
- char buf[3];
-
- printf(gettext("***(Single step mode: Verify query)*********************************************\n"
- "%s\n"
- "***(press return to proceed or enter x and return to cancel)********************\n"),
- query);
- fflush(stdout);
- if (fgets(buf, sizeof(buf), stdin) != NULL)
- if (buf[0] == 'x')
- return false;
- }
- else
- {
- const char *var = GetVariable(pset.vars, "ECHO");
-
- if (var && strncmp(var, "queries", strlen(var)) == 0)
- puts(query);
- }
-
- cancelConn = pset.db;
- if (pset.timing)
- {
- gettimeofday(&before, &tz);
- }
- results = PQexec(pset.db, query);
- if (pset.timing)
- {
- gettimeofday(&after, &tz);
- }
- if (PQresultStatus(results) == PGRES_COPY_IN)
- copy_in_state = true;
- /* keep cancel connection for copy out state */
- if (PQresultStatus(results) != PGRES_COPY_OUT)
- cancelConn = NULL;
-
- if (results == NULL)
- {
- fputs(PQerrorMessage(pset.db), pset.queryFout);
- success = false;
- }
- else
- {
- switch (PQresultStatus(results))
- {
- case PGRES_TUPLES_OK:
- /* write output to \g argument, if any */
- if (pset.gfname)
- {
- FILE *queryFout_copy = pset.queryFout;
- bool queryFoutPipe_copy = pset.queryFoutPipe;
-
- pset.queryFout = stdout; /* so it doesn't get
- * closed */
-
- /* open file/pipe */
- if (!setQFout(pset.gfname))
- {
- pset.queryFout = queryFout_copy;
- pset.queryFoutPipe = queryFoutPipe_copy;
- success = false;
- break;
- }
-
- printQuery(results, &pset.popt, pset.queryFout);
-
- /* close file/pipe, restore old setting */
- setQFout(NULL);
-
- pset.queryFout = queryFout_copy;
- pset.queryFoutPipe = queryFoutPipe_copy;
-
- free(pset.gfname);
- pset.gfname = NULL;
-
- success = true;
- }
- else
- {
- printQuery(results, &pset.popt, pset.queryFout);
- success = true;
- }
- break;
- case PGRES_EMPTY_QUERY:
- success = true;
- break;
- case PGRES_COMMAND_OK:
- {
- char buf[10];
-
- success = true;
- sprintf(buf, "%u", (unsigned int) PQoidValue(results));
- if (!QUIET())
- fprintf(pset.queryFout, "%s\n", PQcmdStatus(results));
- SetVariable(pset.vars, "LASTOID", buf);
- break;
- }
- case PGRES_COPY_OUT:
- success = handleCopyOut(pset.db, pset.queryFout);
- break;
-
- case PGRES_COPY_IN:
- if (pset.cur_cmd_interactive && !QUIET())
- puts(gettext("Enter data to be copied followed by a newline.\n"
- "End with a backslash and a period on a line by itself."));
-
- success = handleCopyIn(pset.db, pset.cur_cmd_source,
- pset.cur_cmd_interactive ? get_prompt(PROMPT_COPY) : NULL);
- break;
-
- case PGRES_NONFATAL_ERROR:
- case PGRES_FATAL_ERROR:
- case PGRES_BAD_RESPONSE:
- success = false;
- psql_error("%s", PQerrorMessage(pset.db));
- break;
- }
-
- fflush(pset.queryFout);
-
- if (PQstatus(pset.db) == CONNECTION_BAD)
- {
- if (!pset.cur_cmd_interactive)
- {
- psql_error("connection to server was lost\n");
- exit(EXIT_BADCONN);
- }
- fputs(gettext("The connection to the server was lost. Attempting reset: "), stderr);
- PQreset(pset.db);
- if (PQstatus(pset.db) == CONNECTION_BAD)
- {
- fputs(gettext("Failed.\n"), stderr);
- PQfinish(pset.db);
- PQclear(results);
- pset.db = NULL;
- SetVariable(pset.vars, "DBNAME", NULL);
- SetVariable(pset.vars, "HOST", NULL);
- SetVariable(pset.vars, "PORT", NULL);
- SetVariable(pset.vars, "USER", NULL);
- SetVariable(pset.vars, "ENCODING", NULL);
- return false;
- }
- else
- fputs(gettext("Succeeded.\n"), stderr);
- }
-
- /* check for asynchronous notification returns */
- while ((notify = PQnotifies(pset.db)) != NULL)
- {
- fprintf(pset.queryFout, gettext("Asynchronous NOTIFY '%s' from backend with pid %d received.\n"),
- notify->relname, notify->be_pid);
- free(notify);
- fflush(pset.queryFout);
- }
-
- if (results)
- PQclear(results);
- }
-
- /* Possible microtiming output */
- if (pset.timing && success)
- printf(gettext("Total time: %.3fs\n"), ((after.tv_sec-before.tv_sec)*1000000 + after.tv_usec - before.tv_usec) / 1000000.0);
-
- return success;
-}