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userprintf.c
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/*<html><pre> -<a href="qh-user.htm"
>-------------------------------</a><a name="TOP">-</a>
userprintf.c
qh_fprintf() and qh_fprintf_rbox()
see README.txt see COPYING.txt for copyright information.
If you redefine one of these functions you must redefine all of them.
If you recompile and load this file, then userprintf.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">-</a>
qh_fprintf(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 via qh_errexit()
exit qh_fprintf_rbox via qh_errexit_rbox()
*/
void qh_fprintf(FILE *fp, int msgcode, const char *fmt, ... ) {
va_list args;
if (!fp) {
fprintf(stderr, "QH6232 Qhull internal error (userprintf.c): fp is 0. Wrong qh_fprintf called.\n");
qh_errexit(6232, NULL, NULL);
}
va_start(args, fmt);
if (qh ANNOTATEoutput) {
fprintf(fp, "[QH%.4d]", msgcode);
}else if (msgcode >= MSG_ERROR && msgcode < MSG_STDERR ) {
fprintf(fp, "QH%.4d ", msgcode);
}
vfprintf(fp, fmt, args);
va_end(args);
} /* qh_fprintf */
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 */
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