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-rw-r--r--debug.c212
1 files changed, 212 insertions, 0 deletions
diff --git a/debug.c b/debug.c
new file mode 100644
index 0000000..5b54b17
--- /dev/null
+++ b/debug.c
@@ -0,0 +1,212 @@
+/*
+
+ viDOOM - level editor for DOOM
+
+ Copyright (C) 2000 Ian Cowburn (ianc@noddybox.demon.co.uk)
+
+ This program 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 2 of the License, or
+ (at your option) any later version.
+
+ This program 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 this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+ -------------------------------------------------------------------------
+
+ Debug output
+
+*/
+static const char rcs_id[]="$Id$";
+
+#include "config.h"
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <ctype.h>
+
+#include "debug.h"
+
+static FILE *trace_fp=NULL;
+
+void _Debug(char *fmt,...)
+{
+ static char last[512]="";
+ static char this[512]="";
+ static int rep=0;
+ int f;
+ va_list va;
+
+ if (!trace_fp)
+ {
+ trace_fp=fopen("trace.out","w");
+ setbuf(trace_fp,NULL);
+ }
+
+ if (trace_fp)
+ {
+ va_start(va,fmt);
+ vsprintf(this,fmt,va);
+ va_end(va);
+
+ if (strcmp(last,this)==0)
+ {
+ rep++;
+ if (rep==3)
+ fprintf(trace_fp,"DEBUG: *** Repeating...\n");
+ }
+ else
+ {
+ if (rep)
+ {
+ if (rep>2)
+ fprintf(trace_fp,"DEBUG: *** Repeated %d times\n",rep);
+ else
+ for(f=0;f<rep;f++)
+ fprintf(trace_fp,"DEBUG: %s",last);
+ rep=0;
+ }
+
+ fprintf(trace_fp,"DEBUG: %s",this);
+ strcpy(last,this);
+ }
+ }
+}
+
+
+void _Trace(char *fmt,...)
+{
+#ifdef DEBUG
+ static int ok=TRUE;
+ static int check=FALSE;
+ static char last[512]="";
+ static char this[512]="";
+ static int rep=0;
+ int f;
+ va_list va;
+
+ if (!ok)
+ return;
+
+ if (!check)
+ {
+ check=TRUE;
+
+ if ((getenv("VIDOOM_TRACE"))&&(!strcmp(getenv("VIDOOM_TRACE"),"Y")))
+ ok=TRUE;
+ else
+ {
+ ok=FALSE;
+ return;
+ }
+ }
+
+ if (!trace_fp)
+ {
+ trace_fp=fopen("trace.out","w");
+ setbuf(trace_fp,NULL);
+ }
+
+ if (trace_fp)
+ {
+ va_start(va,fmt);
+ vsprintf(this,fmt,va);
+ va_end(va);
+
+ if (strcmp(last,this)==0)
+ {
+ rep++;
+ if (rep==3)
+ fprintf(trace_fp,"*** Repeating...\n");
+ else if ((rep%10)==0)
+ fprintf(trace_fp,"*** Still repeating - %d times\n",rep);
+ }
+ else
+ {
+ if (rep)
+ {
+ if (rep>2)
+ fprintf(trace_fp,"*** Repeated %d times\n",rep);
+ else
+ for(f=0;f<rep;f++)
+ fprintf(trace_fp,"%s",last);
+ rep=0;
+ }
+
+ fprintf(trace_fp,"%s",this);
+ strcpy(last,this);
+ }
+ }
+#endif
+}
+
+
+char *Binstr(int val, int width)
+{
+ static char s[48];
+ char *p;
+
+ p=s;
+ width--;
+ while(width>=0)
+ {
+ if (val&(1<<width))
+ *p++='1';
+ else
+ *p++='0';
+
+ width--;
+ }
+
+ *p=0;
+
+ return(s);
+}
+
+
+char *MemStr(char *addr,int size)
+{
+ static char s[1024];
+ int i;
+
+ i=0;
+
+ while(size)
+ {
+ if (isprint(*addr))
+ s[i++]=*addr;
+ else if (*addr=='\0')
+ s[i++]='@';
+ else if (*addr=='\n')
+ {
+ strcpy(s+i,"\\n");
+ i+=2;
+ }
+ else
+ {
+ sprintf(s+i,"\\%3.3o",(unsigned int)*addr);
+ i+=4;
+ }
+
+ if (i>(sizeof(s)-10))
+ {
+ sprintf(s+i,"<...>");
+ return(s);
+ }
+
+ size--;
+ addr++;
+ }
+
+ s[i]=0;
+ return(s);
+}
+
+
+/* END OF FILE */