usr/src/usr.bin/window/error.c

#ifndef lint
static  char *sccsid = "@(#)error.c     3.6 84/01/13";
#endif

#include "defs.h"
#include "value.h"
#include "context.h"

#define ERRLINES 10                     /* number of lines for errwin */

/*VARARGS1*/
error(fmt, a, b, c, d, e, f, g, h)
char *fmt;
{
        register struct ww *w;

        if (cx.x_type != X_FILE) {
                if (terse)
                        wwbell();
                else {
                        (void) wwprintf(cmdwin, fmt, a, b, c, d, e, f, g, h);
                        (void) wwputs("  ", cmdwin);
                }
                return;
        }
        if (cx.x_noerr)
                return;
        if ((w = cx.x_errwin) == 0) {
                char buf[512];

                (void) sprintf(buf, "Errors from %s", cx.x_filename);
                if ((w = cx.x_errwin = openiwin(ERRLINES, buf)) == 0) {
                        (void) wwputs("Can't open error window.  ", cmdwin);
                        cx.x_noerr = 1;
                        return;
                }
        }
        if (more(w, 0) == 2) {
                cx.x_noerr = 1;
                return;
        }
        (void) wwprintf(w, "line %d: ", cx.x_lineno);
        (void) wwprintf(w, fmt, a, b, c, d, e, f, g, h);
        (void) wwputc('\n', w);
}

err_end()
{
        if (cx.x_errwin != 0) {
                if (!cx.x_noerr)
                        waitnl(cx.x_errwin);
                closeiwin(cx.x_errwin);
                cx.x_errwin = 0;
        }
}