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/* rc.c -- read the .ytalkrc file */
/* NOTICE
*
* Copyright (c) 1990,1992,1993 Britt Yenne. All rights reserved.
*
* This software is provided AS-IS. The author gives no warranty,
* real or assumed, and takes no responsibility whatsoever for any
* use or misuse of this software, or any damage created by its use
* or misuse.
*
* This software may be freely copied and distributed provided that
* no part of this NOTICE is deleted or edited in any manner.
*
*/
/* Mail comments or questions to ytalk@austin.eds.com */
#include "header.h"
#define IS_WHITE(c) ((c)==' ' || (c)=='\t' || (c)=='\n')
/* ---- local functions ---- */
static char *
get_word(p)
char **p;
{
register char *c, *out;
c = *p;
while(IS_WHITE(*c))
c++;
if(*c == '\0')
return NULL;
out = c;
while(*c && !IS_WHITE(*c))
c++;
if(*c)
*(c++) = '\0';
*p = c;
return out;
}
static int
set_option(opt, value)
char *opt, *value;
{
ylong mask = 0;
int set_it;
if(strcmp(value, "true") == 0 || strcmp(value, "on") == 0)
set_it = 1;
else if(strcmp(value, "false") == 0 || strcmp(value, "off") == 0)
set_it = 0;
else
return -1;
if(strcmp(opt, "scroll") == 0
|| strcmp(opt, "scrolling") == 0
|| strcmp(opt, "sc") == 0)
mask |= FL_SCROLL;
if(strcmp(opt, "wrap") == 0
|| strcmp(opt, "word-wrap") == 0
|| strcmp(opt, "wordwrap") == 0
|| strcmp(opt, "wrapping") == 0
|| strcmp(opt, "ww") == 0)
mask |= FL_WRAP;
if(strcmp(opt, "import") == 0
|| strcmp(opt, "auto-import") == 0
|| strcmp(opt, "autoimport") == 0
|| strcmp(opt, "importing") == 0
|| strcmp(opt, "aip") == 0
|| strcmp(opt, "ai") == 0)
mask |= FL_IMPORT;
if(strcmp(opt, "invite") == 0
|| strcmp(opt, "auto-invite") == 0
|| strcmp(opt, "autoinvite") == 0
|| strcmp(opt, "aiv") == 0
|| strcmp(opt, "av") == 0)
mask |= FL_INVITE;
if(strcmp(opt, "ring") == 0
|| strcmp(opt, "auto-ring") == 0
|| strcmp(opt, "auto-rering") == 0
|| strcmp(opt, "autoring") == 0
|| strcmp(opt, "autorering") == 0
|| strcmp(opt, "ar") == 0)
mask |= FL_RING;
if(strcmp(opt, "xwin") == 0
|| strcmp(opt, "xwindows") == 0
|| strcmp(opt, "XWindows") == 0
|| strcmp(opt, "Xwin") == 0
|| strcmp(opt, "x") == 0
|| strcmp(opt, "X") == 0)
mask |= FL_XWIN;
if(strcmp(opt, "asides") == 0
|| strcmp(opt, "aside") == 0
|| strcmp(opt, "as") == 0)
mask |= FL_ASIDE;
if(strcmp(opt, "caps") == 0
|| strcmp(opt, "CAPS") == 0
|| strcmp(opt, "ca") == 0
|| strcmp(opt, "CA") == 0)
mask |= FL_CAPS;
if(strcmp(opt, "noinvite") == 0
|| strcmp(opt, "no-invite") == 0
|| strcmp(opt, "noinv") == 0
|| strcmp(opt, "ni") == 0)
mask |= FL_NOAUTO;
if(!mask)
return -1;
if(set_it)
def_flags |= mask;
else
def_flags &= ~mask;
return 0;
}
static void
read_rcfile(fname)
char *fname;
{
FILE *fp;
char *buf, *ptr;
char *w, *arg1, *arg2, *arg3;
int line_no, errline;
if((fp = fopen(fname, "r")) == NULL)
{
if(errno != ENOENT)
show_error(fname);
return;
}
buf = get_mem(BUFSIZ);
line_no = errline = 0;
while(fgets(buf, BUFSIZ, fp) != NULL)
{
line_no++;
ptr = buf;
w = get_word(&ptr);
if(w == NULL || *w == '#')
continue;
if(strcmp(w, "readdress") == 0)
{
arg1 = get_word(&ptr);
arg2 = get_word(&ptr);
arg3 = get_word(&ptr);
if(arg3 == NULL)
{
errline = line_no;
break;
}
readdress_host(arg1, arg2, arg3);
}
else if(strcmp(w, "set") == 0 || strcmp(w, "turn") == 0)
{
arg1 = get_word(&ptr);
arg2 = get_word(&ptr);
if(arg2 == NULL)
{
errline = line_no;
break;
}
if(set_option(arg1, arg2) < 0)
{
errline = line_no;
break;
}
}
else
{
errline = line_no;
break;
}
}
if(errline)
{
sprintf(errstr, "%s: syntax error at line %d", fname, errline);
errno = 0;
show_error(errstr);
}
free(buf);
fclose(fp);
}
/* ---- global functions ---- */
void
read_ytalkrc()
{
char *w;
yuser *u;
char fname[256];
/* read the system ytalkrc file */
#ifdef SYSTEM_YTALKRC
read_rcfile(SYSTEM_YTALKRC);
#endif
/* read the user's ytalkrc file */
if((w = (char *)getenv("HOME")) != NULL)
{
sprintf(fname, "%s/.ytalkrc", w);
read_rcfile(fname);
}
/* set all default flags */
for(u = user_list; u != NULL; u = u->unext)
if(!(u->flags & FL_LOCKED))
u->flags = def_flags;
}
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