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491 lines
10 KiB
C
491 lines
10 KiB
C
/*
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* $Id$
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*
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* Copyright (C) 2002, 2003 ETC s.r.o.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*
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* Written by Marcel Telka <marcel@telka.sk>, 2002, 2003.
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* Modified by Ajith Kumar P.C <ajithpc@kila.com>, 20/09/2006.
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*
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*/
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#include "sysdep.h"
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#ifndef SVN_REVISION
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#define SVN_REVISION "0"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#ifdef HAVE_LIBREADLINE
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#include <readline/readline.h>
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#ifdef HAVE_READLINE_HISTORY_H
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#include <readline/history.h>
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#endif
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#endif
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#include <getopt.h>
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#ifdef ENABLE_NLS
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#include <locale.h>
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#endif /* ENABLE_NLS */
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#include "chain.h"
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#include "bus.h"
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#include "cmd.h"
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#include "jtag.h"
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#ifndef HAVE_GETLINE
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ssize_t getline( char **lineptr, size_t *n, FILE *stream );
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#endif
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int debug_mode = 0;
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int big_endian = 0;
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int interactive = 0;
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extern cfi_array_t *cfi_array;
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#define JTAGDIR ".jtag"
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#define HISTORYFILE "history"
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#define RCFILE "rc"
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static void
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jtag_create_jtagdir( void )
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{
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char *home = getenv( "HOME" );
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char *jdir;
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if (!home)
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return;
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jdir = malloc( strlen(home) + strlen(JTAGDIR) + 2 ); /* "/" and trailing \0 */
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if (!jdir)
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return;
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strcpy( jdir, home );
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strcat( jdir, "/" );
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strcat( jdir, JTAGDIR );
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/* Create the directory if it doesn't exists. */
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#ifdef __MINGW32__
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mkdir( jdir );
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#else
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mkdir( jdir, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH );
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#endif
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free( jdir );
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}
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#ifdef HAVE_LIBREADLINE
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#ifdef HAVE_READLINE_HISTORY
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static void
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jtag_load_history( void )
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{
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char *home = getenv( "HOME" );
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char *file;
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using_history();
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if (!home)
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return;
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file = malloc( strlen(home) + strlen(JTAGDIR) + strlen(HISTORYFILE) + 3 ); /* 2 x "/" and trailing \0 */
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if (!file)
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return;
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strcpy( file, home );
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strcat( file, "/" );
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strcat( file, JTAGDIR );
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strcat( file, "/" );
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strcat( file, HISTORYFILE );
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read_history( file );
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free( file );
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}
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static void
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jtag_save_history( void )
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{
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char *home = getenv( "HOME" );
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char *file;
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if (!home)
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return;
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file = malloc( strlen(home) + strlen(JTAGDIR) + strlen(HISTORYFILE) + 3); /* 2 x "/" and trailing \0 */
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if (!file)
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return;
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strcpy( file, home );
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strcat( file, "/" );
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strcat( file, JTAGDIR );
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strcat( file, "/");
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strcat( file, HISTORYFILE );
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write_history( file );
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free( file );
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}
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#endif /* HAVE_READLINE_HISTORY */
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#endif
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static int jtag_readline_multiple_commands_support(chain_t *chain, char * line) /* multiple commands should be separated with '::' */
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{
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int r;
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char *nextcmd = line;
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if (!line || !(strlen( line ) > 0))
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return 1;
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do {
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line = nextcmd;
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nextcmd = strstr(nextcmd, "::"); /* :: to not confuse ms-dos users ;-) */
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if (nextcmd) {
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*nextcmd++ = 0;
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++nextcmd;
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while (*line == ':') ++line;
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}
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r = jtag_parse_line( chain, line );
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chain_flush( chain );
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} while (nextcmd && r);
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return r;
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}
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static void
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jtag_readline_loop( chain_t *chain, const char *prompt )
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{
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#ifdef HAVE_LIBREADLINE
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char *line = NULL;
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#ifdef HAVE_READLINE_HISTORY
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HIST_ENTRY *hptr;
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#endif
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/* Iterate */
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while (jtag_readline_multiple_commands_support( chain, line )) {
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free( line );
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/* Read a line from the terminal */
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line = readline( prompt );
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/* We got EOF, bail */
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if (!line) {
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line = strdup( "quit\n" );
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puts( "quit" );
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if (!line)
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return;
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}
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#ifdef HAVE_READLINE_HISTORY
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/* Check if we actually got something , Don't add duplicate lines*/
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if (strlen( line )) {
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if (history_length == 0)
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add_history( line );
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else {
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hptr = history_get( history_length );
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/* Apple leopard libreadline emulation screws up indexing, try the other one */
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if (hptr == NULL)
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hptr = history_get( history_length-1 );
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if (hptr != NULL) {
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if (strcmp( line, hptr->line ))
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add_history( line );
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}
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else
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add_history( line );
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}
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}
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#endif
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}
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free( line );
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#else
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char line[1024];
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line[0] = 0;
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do
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{
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if (!jtag_readline_multiple_commands_support( chain, line ))
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break;
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printf("%s", prompt);
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fflush(stdout);
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}
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while(fgets(line, 1023, stdin));
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#endif
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}
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static int
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jtag_parse_rc( chain_t *chain )
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{
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char *home = getenv( "HOME" );
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char *file;
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int go;
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if (!home)
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return 1;
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file = malloc( strlen(home) + strlen(JTAGDIR) + strlen(RCFILE) + 3 ); /* 2 x "/" and trailing \0 */
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if (!file)
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return 1;
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strcpy( file, home );
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strcat( file, "/" );
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strcat( file, JTAGDIR );
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strcat( file, "/" );
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strcat( file, RCFILE );
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go = jtag_parse_file( chain, file );
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free( file );
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return go;
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}
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static void
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cleanup( chain_t *chain )
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{
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cfi_array_free( cfi_array );
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cfi_array = NULL;
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if (bus) {
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bus_free( bus );
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bus = NULL;
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}
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chain_free( chain );
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chain = NULL;
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}
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const char *jtag_argv0;
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int
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main( int argc, char *const argv[] )
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{
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int go = 0;
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int i;
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int c;
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int norc = 0;
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int help = 0;
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int version = 0;
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int quiet = 0;
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chain_t *chain = NULL;
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jtag_argv0 = argv[0];
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if(geteuid()==0 && getuid()!=0)
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{
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printf (_("'%s' must not be run suid root!\n"), "jtag");
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return(-1);
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}
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#ifdef ENABLE_NLS
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/* l10n support */
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setlocale( LC_ALL, "" );
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bindtextdomain( PACKAGE, LOCALEDIR );
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textdomain( PACKAGE );
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#endif /* ENABLE_NLS */
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while (1)
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{
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static struct option long_options[] =
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{
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{"version", no_argument, 0, 'v'},
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{"norc", no_argument, 0, 'n'},
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{"interactive", no_argument, 0, 'i'},
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{"help", no_argument, 0, 'h'},
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{"quiet", no_argument, 0, 'q'},
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{0, 0, 0, 0}
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};
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/* `getopt_long' stores the option index here. */
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int option_index = 0;
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c = getopt_long (argc, argv, "vnhiq",
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long_options, &option_index);
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/* Detect the end of the options. */
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if (c == -1)
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break;
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switch (c)
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{
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case 'v':
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version = 1;
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break;
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case 'n':
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norc = 1;
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break;
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case 'i':
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interactive = 1;
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break;
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case 'h':
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default:
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help = 1;
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break;
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case 'q':
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quiet = 1;
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break;
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}
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}
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if (help)
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{
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/* Print help info and exit. */
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printf (_("%s #%s\n"), PACKAGE_STRING, SVN_REVISION);
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printf ("\n");
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printf (_("Usage: %s [OPTIONS] [FILE [FILE ... ]] \n"), "jtag");
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printf ("\n");
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printf (_(" -h, --help display this help and exit\n"));
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printf (_(" -v, --version display version information and exit\n"));
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printf ("\n");
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printf (_(" -n, --norc disable reading ~/.jtag/rc on startup\n"));
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printf (_(" -i, --interactive enter interactive mode after reading files\n"));
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printf (_(" -q, --quiet Do not print help on startup\n"));
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printf ("\n");
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printf (_(" [FILE] file containing commands to execute\n"));
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printf ("\n");
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printf (_(" Please report bugs at http://www.urjtag.org\n"));
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exit(0);
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}
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if (version)
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{
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printf(_("\n%s #%s\n\n"
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"Copyright (C) 2002, 2003 ETC s.r.o.\n"
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"Copyright (C) 2007, 2008, 2009 Kolja Waschk and the respective authors\n"
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), PACKAGE_STRING, SVN_REVISION);
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printf(_("\n"
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"This program is free software; you can redistribute it and/or modify\n"
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"it under the terms of the GNU General Public License as published by\n"
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"the Free Software Foundation; either version 2 of the License, or\n"
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"(at your option) any later version.\n"
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"\n"
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"This program is distributed in the hope that it will be useful,\n"
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"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
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"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
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"GNU General Public License for more details.\n"
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"\n"
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"You should have received a copy of the GNU General Public License\n"
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"along with this program; if not, write to the Free Software\n"
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"Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\n"));
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exit(0);
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}
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/* input from files */
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if (argc > optind) {
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for (i = optind; i < argc; i++) {
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chain = chain_alloc();
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if (!chain) {
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printf( _("Out of memory\n") );
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return -1;
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}
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go = jtag_parse_file( chain, argv[i] );
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cleanup( chain );
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if (go < 0) {
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printf( _("Unable to open file `%s'!\n"), argv[i] );
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break;
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}
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}
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if(!interactive) return 0;
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}
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/* input from stdin */
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if (!isatty(0)) {
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chain = chain_alloc();
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if (!chain) {
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printf( _("Out of memory\n") );
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return -1;
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}
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jtag_parse_stream( chain, stdin );
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cleanup( chain );
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return 0;
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}
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/* interactive */
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if (!quiet)
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printf(
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_("\n%s #%s\n"
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"Copyright (C) 2002, 2003 ETC s.r.o.\n"
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"Copyright (C) 2007, 2008, 2009 Kolja Waschk and the respective authors\n\n"
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"%s is free software, covered by the GNU General Public License, and you are\n"
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"welcome to change it and/or distribute copies of it under certain conditions.\n"
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"There is absolutely no warranty for %s.\n\n"), PACKAGE_STRING, SVN_REVISION,
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PACKAGE_NAME, PACKAGE_NAME
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);
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chain = chain_alloc();
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if (!chain) {
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printf( _("Out of memory\n") );
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return -1;
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}
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if (!quiet) {
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printf( _("WARNING: %s may damage your hardware!\n"), PACKAGE_NAME );
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printf( _("Type \"quit\" to exit, \"help\" for help.\n\n") );
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}
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/* Create ~/.jtag */
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jtag_create_jtagdir();
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/* Parse and execute the RC file */
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go = norc ? 1 : jtag_parse_rc( chain );
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#ifdef HAVE_LIBREADLINE
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#ifdef HAVE_READLINE_COMPLETION
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rl_attempted_completion_function = cmd_completion;
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#endif
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#endif
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if (go) {
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#ifdef HAVE_READLINE_HISTORY
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/* Load history */
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jtag_load_history();
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#endif
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/* main loop */
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jtag_readline_loop( chain, getenv("JTAG_PROMPT") ? : "jtag> " );
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#ifdef HAVE_READLINE_HISTORY
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/* Save history */
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jtag_save_history();
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#endif
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}
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cleanup( chain );
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return 0;
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}
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