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debug.c
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C/C++ Source or Header
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1990-11-06
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2KB
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90 lines
/*
Copyright (C) 1990 C van Reewijk, email: dutentb.uucp!reeuwijk
This file is part of GLASS.
GLASS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 1, or (at your option)
any later version.
GLASS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GLASS; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* file: debug.c
variables and routines for debugging.
*/
/* UNIX libraries */
#include <stdio.h>
/* Local definitions */
#include "debug.h"
#define TRUE 1
#define FALSE 0
extern FILE *tracestream;
/* Switch on debugging flags given by the string 's'.
The flags are given in the table 'flagtab'.
*/
void setdbflags( s, flagtab )
char *s;
struct flagadrinfo *flagtab;
{
register int c;
struct flagadrinfo *p;
register short int match;
while( *s != '\0' ){
c = *s++;
p = flagtab;
match = FALSE;
while( p->flagchar != '\0' && match == FALSE ){
if( p->flagchar == c ){
*p->flagadr = TRUE;
match = TRUE;
}
p++;
}
if( match == FALSE ){
fprintf( stderr, "Unknown flag: '%c'\n", c );
exit( 1 );
}
}
}
/* Give help information on debugging flags. */
void dbhelp( flagtab )
struct flagadrinfo *flagtab;
{
struct flagadrinfo *p;
fprintf( stdout, "Debugging flags:\n" );
p = flagtab;
while( p->flagchar != '\0' ){
fprintf( stdout, " %c - %s.\n", p->flagchar, p->flagname );
p++;
}
}
/* For all flags that are set report that fact to 'tracestream'. */
void dbreport( flagtab )
register struct flagadrinfo *flagtab;
{
struct flagadrinfo *p;
p = flagtab;
while( p->flagchar != '\0' ){
if( *p->flagadr ) fprintf( tracestream, "%s.\n", p->flagname );
p++;
}
}