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Annotation of researchv10no/ncurses/screen/setbuffred.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * This routine is one of the main things
                      3:  * in this level of curses that depends on the outside
                      4:  * environment.
                      5:  */
                      6: #include "curses.ext"
                      7: /*     @(#) setbuffred.c: 1.1 10/15/83 (1.7    10/27/82)       */
                      8: 
                      9: static short    baud_convert[] =
                     10: {
                     11:        0, 50, 75, 110, 135, 150, 200, 300, 600, 1200,
                     12:        1800, 2400, 4800, 9600, 19200, 38400
                     13: };
                     14: 
                     15: /*
                     16:  * Force output to be buffered.
                     17:  * Also figures out the baud rate.
                     18:  * Grouped here because they are machine dependent.
                     19:  */
                     20: _setbuffered(fd)
                     21: FILE *fd;
                     22: {
                     23:        char *sobuf;
                     24:        char *calloc();
                     25:        SGTTY   sg;
                     26: 
                     27:        sobuf = calloc(1, BUFSIZ);
                     28:        setbuf(fd, sobuf);
                     29: 
                     30: # ifdef USG
                     31:        ioctl (fileno (fd), TCGETA, &sg);
                     32:        SP->baud = sg.c_cflag&CBAUD ? baud_convert[sg.c_cflag&CBAUD] : 1200;
                     33: # else
                     34:        ioctl (fileno (fd), TIOCGETP, &sg);
                     35:        SP->baud = sg.sg_ospeed ? baud_convert[sg.sg_ospeed] : 1200;
                     36: # endif
                     37: }

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