compile with -R

[unix-history] / usr / src / usr.bin / window / ttinit.c

#ifndef lint
static  char *sccsid = "@(#)ttinit.c    3.9 84/03/23";
#endif

#include "ww.h"
#include "tt.h"

ttinit()
{
       register struct tt_tab *tp;
       register char *p, *q;
       register char *t;

       tt_strp = tt_strings;

       /*
        * Set output buffer size to about 1 second of output time.
        */
       tt_obp = tt_ob;
       tt_obe = tt_ob + MIN(wwbaud/10, sizeof tt_ob);

       /*
        * Use the standard name of the terminal (i.e. the second
        * name in termcap).
        */
       for (p = wwtermcap; *p && *p != '|' && *p != ':'; p++)
               ;
       if (*p == '|')
               p++;
       for (q = p; *q && *q != '|' && *q != ':'; q++)
               ;
       if (q != p && (t = malloc((unsigned) (q - p + 1))) != 0) {
               wwterm = t;
               while (p < q)
                       *t++ = *p++;
               *t = 0;
       }
       for (tp = tt_tab; tp->tt_name != 0; tp++)
               if (strncmp(tp->tt_name, wwterm, tp->tt_len) == 0)
                       break;
       if (tp->tt_name == 0) {
               wwerrno = WWE_BADTERM;
               return -1;
       }
       if ((*tp->tt_func)() < 0) {
               wwerrno = WWE_CANTDO;
               return -1;
       }
       return 0;
}