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/*
* Author: Andreas Büsching <crunchy@tzi.de>
*
* mpiosh - user interface of the mpio library, providing access to
* some model of the MPIO mp3 players.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <signal.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include "libmpio/debug.h"
#include "libmpio/mpio.h"
#include "callback.h"
#include "command.h"
#include "cfg.h"
#include "readline.h"
#include "mpiosh.h"
/* mpiosh core functions */
void
mpiosh_init(void)
{
/* set state */
mpiosh.dev = NULL;
mpiosh.config = NULL;
mpiosh.prompt = NULL;
/* read configuration */
mpiosh.config = mpiosh_config_new();
if (mpiosh.config)
mpiosh_config_read(mpiosh.config);
mpiosh.card = mpiosh.config->default_mem;
if (mpiosh.config->default_mem == MPIO_EXTERNAL_MEM)
mpiosh.prompt = mpiosh.config->prompt_ext;
else
mpiosh.prompt = mpiosh.config->prompt_int;
/* inital mpio library */
mpiosh.dev = mpio_init(mpiosh_callback_init);
printf("\n");
if ((mpiosh.dev) && (mpiosh.config->charset))
mpio_charset_set(mpiosh.dev, mpiosh.config->charset);
}
void
mpiosh_signal_handler(int signal)
{
mpiosh_cancel = 1;
mpiosh_cancel_ack = 0;
}
int
main(int argc, char *argv[]) {
char *line;
char **cmds, **walk;
struct mpiosh_cmd_t *cmd;
struct sigaction sigc;
int interactive = 1;
UNUSED(argc);
UNUSED(argv);
setenv("mpio_debug", "", 0);
setenv("mpio_color", "", 0);
/* no unwanted interruption anymore */
sigc.sa_handler = mpiosh_signal_handler;
sigc.sa_flags = SA_NOMASK;
sigaction(SIGINT, &sigc, NULL);
/* init readline and history */
mpiosh_readline_init();
debug_init();
mpiosh_init();
if (!isatty(fileno(stdin))) {
interactive = 0;
mpiosh.prompt = NULL;
mpiosh_readline_pipe();
}
if( !isatty(fileno(stdout)) ) {
setvbuf( stdout, NULL, _IOLBF, 256 );
}
if (!mpiosh.dev && interactive) {
printf("ERROR: %s\n", mpio_strerror(mpio_errno()));
printf("could not find MPIO player.\n");
}
while ((line = readline(mpiosh.prompt))) {
if ((*line == '\0') || mpiosh_cancel) {
rl_clear_pending_input ();
mpiosh_cancel = 0;
mpiosh_cancel_ack = 0;
continue;
}
cmds = mpiosh_command_split_line(line);
if (cmds[0][0] == '\0') {
free(cmds);
continue;
}
walk = cmds;
while (*walk) {
cmd = mpiosh_command_find(*walk);
if (cmd) {
char ** help, **args = mpiosh_command_get_args(*walk);
help = args;
if (!interactive) debug("running... '%s'\n", *walk);
cmd->cmd_func(args);
mpiosh_command_free_args(args);
} else
fprintf(stderr, "unknown command: '%s'\n", *walk);
/* if ((idx = history_search(line, -1)) != -1) */
/* history_set_pos(idx); */
/* else */
add_history(line);
free(*walk);
walk++;
}
free(cmds);
/* reset abort state */
mpiosh_cancel = 0;
}
mpiosh_cmd_quit(NULL);
return 0;
}
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