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/*
* UNG's Not GNU
*
* Copyright (c) 2011-2017, Jakob Kaivo <jkk@ung.org>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#define _XOPEN_SOURCE 700
#include "sh.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
static char *sh_getline(char **cmdline)
{
char *prompt = getenv(*cmdline ? "PS2" : "PS1");
/* wordexpand prompt */
fprintf(stderr, "%s", prompt);
size_t n = 0;
getline(cmdline, &n, stdin);
return *cmdline;
}
int sh_interactive(void)
{
while (!feof(stdin)) {
char *cmdline = NULL;
sh_getline(&cmdline);
if (cmdline == NULL) {
break;
}
struct command *command = sh_parse(cmdline);
#if 0
while (command == NULL) {
/* append more text */
/* attempt parsing again */
}
#endif
if (command) {
sh_execute(command);
sh_freecmd(command);
}
free(cmdline);
}
return 0;
}
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