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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.
*
*/
#include "sh.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
struct alias {
char *alias;
char *command;
};
static struct alias *aliases = NULL;
static void set_alias(const char *alias, const char *command)
{
(void)alias; (void)command;
}
char * sh_get_alias(const char *alias)
{
if (aliases == NULL) {
return NULL;
}
for (int i = 0; aliases[i].alias; i++) {
if (!strcmp(aliases[i].alias, alias)) {
return aliases[i].command;
}
}
return NULL;
}
static void show_alias(const char *alias)
{
char *command = sh_get_alias(alias);
if (command) {
printf("%s=%s\n", alias, command);
} else {
fprintf(stderr, "alias: %s: not found\n", alias);
}
}
int alias_main(int argc, char *argv[])
{
while (getopt(argc, argv, "") != -1) {
return 1;
}
if (argv[optind] == NULL) {
for (int i = 0; aliases && aliases[i].alias; i++) {
printf("%s=%s\n", aliases[i].alias, aliases[i].command);
}
return 0;
}
do {
char *a = argv[optind++];
char *eq = strchr(a, '=');
if (eq) {
*eq = '\0';
set_alias(a, eq + 1);
} else {
show_alias(a);
}
} while (optind < argc);
return 0;
}
int unalias_main(int argc, char **argv)
{
printf("Sorry, %s isn't implemented yet.\n", argv[0]);
return argc;
}
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