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/* Copyright (c) 2008, Tim Post <tinkertim@gmail.com>
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/* Copyright (c) 2008, Tim Post <tinkertim@gmail.com>
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 * All rights reserved.
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 * All rights reserved.
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 *
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions are met:
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 * modification, are permitted provided that the following conditions are met:
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 *
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 *
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 * Redistributions of source code must retain the above copyright notice, this
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 * Redistributions of source code must retain the above copyright notice, this
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 * list of conditions and the following disclaimer.
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 * list of conditions and the following disclaimer.
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 *
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 *
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 * Redistributions in binary form must reproduce the above copyright notice,
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 * Redistributions in binary form must reproduce the above copyright notice,
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 * this list of conditions and the following disclaimer in the documentation
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 * this list of conditions and the following disclaimer in the documentation
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 * and/or other materials provided with the distribution.
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 * and/or other materials provided with the distribution.
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 *
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 *
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 * Neither the name of the original program's authors nor the names of its
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 * Neither the name of the original program's authors nor the names of its
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 * contributors may be used to endorse or promote products derived from this
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 * contributors may be used to endorse or promote products derived from this
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 * software without specific prior written permission.
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 * software without specific prior written permission.
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 *
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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 * POSSIBILITY OF SUCH DAMAGE.
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 * POSSIBILITY OF SUCH DAMAGE.
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 */
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 */
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#include <stdio.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdlib.h>
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#include <string.h>
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#include <string.h>
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#include <unistd.h>
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#include <unistd.h>
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#include "config.h"
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#include "config.h"
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#include "scli.h"
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#include "scli.h"
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#include "input.h"
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#include "input.h"
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#include "util.h"
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#include "util.h"
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#include "errors.h"
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#include "errors.h"
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#include "cmds/cmds.h"
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#include "cmds/cmds.h"
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/* See scli.h */
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/* See scli.h */
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static cliuser_t usr;
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static cliuser_t usr;
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/* Globals that are modified during start-up that modules/builtins
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/* Globals that are modified during start-up that modules/builtins
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 * should be aware of. */
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 * should be aware of. */
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volatile unsigned int cli_quit = 0;
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volatile unsigned int cli_quit = 0;
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volatile unsigned int cli_interactive = 1;
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volatile unsigned int cli_interactive = 1;
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volatile unsigned int cli_verbocity = 1;
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volatile unsigned int cli_verbocity = 1;
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/* The official name of this program
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/* The official name of this program
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 * (change to your liking in configure.ac and re-run autoconf) */
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 * (change to your liking in configure.ac and re-run autoconf) */
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const char *progname = PACKAGE_NAME;
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const char *progname = PACKAGE_NAME;
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/* These are not exposed, even to builtins */
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/* These are not exposed, even to builtins */
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static int cli_init(cliuser_t *usr);
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static int cli_init(cliuser_t *usr);
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static void cli_finit(cliuser_t *usr);
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static void cli_finit(cliuser_t *usr);
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 58 
 
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/* (re)allocates memory to store the current working directory, gets
 - 
 
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 * and updates the current working directory, formats the prompt
 - 
 
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 * string */
 - 
 
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unsigned int cli_set_prompt(cliuser_t *usr)
 - 
 
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{
 - 
 
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    usr->prompt = (char *) realloc(usr->prompt, PATH_MAX);
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    if (NULL == usr->prompt) {
 - 
 
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        cli_error(CL_ENOMEM, "Can not allocate prompt");
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        return 1;
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    }
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    memset(usr->prompt, 0, sizeof(usr->prompt));
 - 
 
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 - 
 
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    usr->cwd = (char *) realloc(usr->cwd, PATH_MAX);
 - 
 
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    if (NULL == usr->cwd) {
 - 
 
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        cli_error(CL_ENOMEM, "Can not allocate cwd");
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        return 1;
 - 
 
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    }
 - 
 
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    memset(usr->cwd, 0, sizeof(usr->cwd));
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 - 
 
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    usr->cwd = getcwd(usr->cwd, PATH_MAX - 1);
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 - 
 
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    if (NULL == usr->cwd)
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        snprintf(usr->cwd, PATH_MAX, "(unknown)");
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 - 
 
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    if (1 < cli_psprintf(&usr->prompt, "%s # ", usr->cwd)) {
 - 
 
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        cli_error(cli_errno, "Failed to set prompt");
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        return 1;
 - 
 
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    }
 - 
 
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 - 
 
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    return 0;
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89 
}
 - 
 
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 - 
 
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/* Constructor */
 59 
/* Constructor */
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static int cli_init(cliuser_t *usr)
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static int cli_init(cliuser_t *usr)
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{
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{
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    usr->line = (char *) NULL;
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    usr->line = (char *) NULL;
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    usr->name = "root";
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    usr->name = "root";
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    usr->home = "/";
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    usr->home = "/";
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    usr->cwd = (char *) NULL;
 65 
    usr->cwd = (char *) NULL;
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    usr->prompt = (char *) NULL;
 66 
    usr->prompt = (char *) NULL;
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    chdir(usr->home);
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    chdir(usr->home);
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    usr->lasterr = 0;
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    usr->lasterr = 0;
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    return (int) cli_set_prompt(usr);
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    return (int) cli_set_prompt(usr);
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}
 70 
}
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 71 
 
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/* Destructor */
 72 
/* Destructor */
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static void cli_finit(cliuser_t *usr)
 73 
static void cli_finit(cliuser_t *usr)
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{
 74 
{
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    if (NULL != usr->line)
 75 
    if (NULL != usr->line)
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        free(usr->line);
 76 
        free(usr->line);
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    if (NULL != usr->prompt)
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    if (NULL != usr->prompt)
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        free(usr->prompt);
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        free(usr->prompt);
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    if (NULL != usr->cwd)
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    if (NULL != usr->cwd)
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        free(usr->cwd);
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        free(usr->cwd);
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}
 81 
}
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 82 
 
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int main(int argc, char *argv[])
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int main(int argc, char *argv[])
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{
 84 
{
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    int ret = 0;
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    int ret = 0;
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    int i = 0;
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    int i = 0;
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    if (cli_init(&usr))
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    if (cli_init(&usr))
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        exit(EXIT_FAILURE);
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        exit(EXIT_FAILURE);
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 90 
 
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    printf("Welcome to %s - %s\nType `help' at any time for usage information.\n",
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    printf("Welcome to %s - %s\nType `help' at any time for usage information.\n",
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        progname, PACKAGE_STRING);
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        progname, PACKAGE_STRING);
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 93 
 
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    while (!cli_quit) {
 94 
    while (!cli_quit) {
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        cli_set_prompt(&usr);
 - 
 
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        get_input(&usr);
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        get_input(&usr);
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        if (NULL != usr.line) {
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        if (NULL != usr.line) {
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            ret = tok_input(&usr);
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            ret = tok_input(&usr);
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            usr.lasterr = ret;
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            usr.lasterr = ret;
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        }
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        }
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        i++;
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        i++;
134 
    }
 101 
    }
135 
    goto finit;
 102 
    goto finit;
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 103 
 
137 
finit:
 104 
finit:
138 
    cli_finit(&usr);
 105 
    cli_finit(&usr);
139 
    return ret;
 106 
    return ret;
140 
}
 107 
}
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