new parser

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

#ifndef lint
static  char *sccsid = "@(#)error.c     3.3 83/11/22";
#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;
{
       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_baderr)
               return;
       if (cx.x_errwin == 0) {
               char buf[512];

               (void) sprintf(buf, "Errors from %s", cx.x_filename);
               if ((cx.x_errwin = openiwin(ERRLINES, buf)) == 0) {
                       (void) wwprintf(cmdwin, "Can't open error window.  ");
                       cx.x_baderr = 1;
                       return;
               }
               cx.x_errlineno = 0;
       }
       if (cx.x_errlineno++ > ERRLINES - 4) {
               waitnl(cx.x_errwin);
               cx.x_errlineno = 0;
       }
       if (cx.x_lineno != 0)
               (void) wwprintf(cx.x_errwin, "line %d: ", cx.x_lineno);
       (void) wwprintf(cx.x_errwin, fmt, a, b, c, d, e, f, g, h);
       (void) wwprintf(cx.x_errwin, "\n");
}

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