WebSVN – wimsdev – Diff – /trunk/wims/src/Misc/canvasdraw/canvasdraw.c

 double get_real(FILE *infile, int last){ /* accept anything that looks like an number ?  last = 0 : more arguments ; last=1 final argument */
     int c,i=0,found_calc = 0;
     double y;
     char tmp[MAX_INT];
+    /*
-    /* these things are 'allowed functions' : *,^,+,-,/,(,),e,arc,cos,tan,pi,log,ln */
+     these things are 'allowed functions' : *,^,+,-,/,(,),e,arc,cos,tan,pi,log,ln,sqrt,abs
+     but thereshould be a better way to avoid segfaults !
+    */
-    const char *allowed = "earcostanpilog*+-/^()";/* assuming these are allowed stuff in a 'number'*/
+    const char *allowed = "earcostanpilogqb*+-/^()";/* assuming these are allowed stuff in a 'number'*/
-    const char *not_allowed = "#bdfghjkmquvwxyz";/* avoid segmentation faults in a "atof()" and "wims eval" */
+    const char *not_allowed = "#dfhjkmuvwxyz{}[]%&~!$";/* avoid segmentation faults in a "atof()" and "wims eval" */
     while(( (c=getc(infile)) != EOF ) && ( c != ',') && (c != '\n') && ( c != ';')){
      if( c != ' ' ){
       if( i == 0 &&  c == '+' ){
        continue;
+      }

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