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/* utalk, a UDP-based "talk" replacement, using srdp
Copyright (C) 1995 Roger Espel Llima
util.c
Started: 19 Oct 95 by <roger.espel.llima@pobox.com>
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. See the file LICENSE for details.
*/
#include <stdio.h>
#include <stdlib.h>
#include "globals.h"
#include "termio.h"
#include "termcap.h"
#include "comm.h"
#include "util.h"
void barf(char *m) {
fprintf(stderr, "%s\n", m);
exit(1);
}
void cleanupexit(int n, char *m) {
quick_clear_invite();
if (connected)
c_close();
if (screen_inited) {
normal();
xcursor = ycursor = -1;
gotoxy(0, lines-1);
cleareol();
flush_term();
settty(SET_COOKED, 1);
}
if (m) fprintf(stderr, "%s\n", m);
exit(n);
}
void *mymalloc(int n) {
char *r;
r = (void *)malloc(n);
if (r == NULL) cleanupexit(1, "Insufficient memory");
return r;
}
void *myrealloc(void *p, int n) {
char *r;
r = (void *)realloc(p, n);
if (r == NULL) cleanupexit(1, "Insufficient memory");
return r;
}
unsigned char *getword(unsigned char **s) {
/* returns the beginning of the word and sets the pointer to after it
or to NULL if none after; will return NULL if no word at all; puts
a '\0' after the word */
unsigned char *r =*s;
while (*r == ' ' || *r == 9 || *r == 10 || *r == 13) r++;
if (*r == 0) {
*s = NULL;
return NULL;
}
*s = r;
while (**s != ' ' && **s != 0 && **s != 9 && **s != 10 && **s != 13) (*s)++;
if (**s == 0) {
*s = NULL;
return r;
}
**s = 0;
(*s)++;
while (**s == ' ' || **s == 9 || **s == 10 || **s == 13) (*s)++;
if (**s == 0) *s = NULL;
return r;
}
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