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Edit File: userprintf_rbox.c

/*<html><pre>  -<a                             href="qh-user.htm"
  >-------------------------------</a><a name="TOP">-</a>

userprintf_rbox.c
   qh_fprintf_rbox()

see README.txt  see COPYING.txt for copyright information.

If you recompile and load this file, then userprintf_rbox.o will not be loaded
   from qhull.a or qhull.lib

See libqhull.h for data structures, macros, and user-callable functions.
   See user.c for qhull-related, redefinable functions
   see user.h for user-definable constants
   See usermem.c for qh_exit(), qh_free(), and qh_malloc()
   see Qhull.cpp and RboxPoints.cpp for examples.

Please report any errors that you fix to qhull@qhull.org
*/

#include "libqhull.h"

#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>

/*-<a                             href="qh-user.htm#TOC"
   >-------------------------------</a><a name="qh_fprintf_rbox">-</a>

qh_fprintf_rbox(fp, msgcode, format, list of args )
     print arguments to *fp according to format
     Use qh_fprintf_rbox() for rboxlib.c

notes:
     same as fprintf()
     fgets() is not trapped like fprintf()
     exit qh_fprintf_rbox via qh_errexit_rbox()
*/

void qh_fprintf_rbox(FILE *fp, int msgcode, const char *fmt, ... ) {
    va_list args;

if (!fp) {
        fprintf(stderr, "QH6231 Qhull internal error (userprintf.c): fp is 0.  Wrong qh_fprintf_rbox called.\n");
        qh_errexit_rbox(6231);
    }
    if (msgcode >= MSG_ERROR && msgcode < MSG_STDERR)
      fprintf(fp, "QH%.4d ", msgcode);
    va_start(args, fmt);
    vfprintf(fp, fmt, args);
    va_end(args);
} /* qh_fprintf_rbox */