.\"   $Id: allocrdsrec.3,v 1.1 2002/03/13 13:37:37 fred Exp $
.\" @(#)allocrdsrec.1 1.11 93/08/18 ; Labo masi cao-vlsi
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.TH ALLOCRDSREC 3 "October 1, 1997" "ASIM/LIP6" "RDS PHYSICAL FUNCTIONS"
.SH NAME
 allocrdsrec \- allocates memory for a rectangle
.so jessie/alliance/alc_origin.1.en.gz
.SH SYNOPSYS
.nf
.if n \{\
.ft B \}
.if t \{\
.ft CR \}
#include"rdsnnn.h"
rdsrec_list \(**allocrdsrec( Size )
  unsigned int Size;
.ft R
.fi
.SH PARAMETER
.TP 20
\fISize\fP
Size of the added structure to the rdsrec_list structure.
.SH DESCRIPTION
Allocates a memory block for rdsrec_list structure and an added structure defined by the user. Fields contained in the two structures are set to NULL for pointers and 0L for numbers.
.PP
NOTE: Allocation by heap ( see rdsalloc function ).
.SH RETURN VALUE
The pointer to the rectangle structure allocated.
.SH ERRORS
.if n \{\
.ft B \}
.if t \{\
.ft CR \}
"Rds202: rdsalloc error, can't continue !"
.ft R
.RS
it's impossible to allocate the memory size desired.
.SH EXAMPLE
.ta 3n 6n 9n 12n 15n 18n 21n
.nf
.if n \{\
.ft B \}
.if t \{\
.ft CR \}
        # include "mutnnn.h"
        # include "rdsnnn.h"
        # include "rtlnnn.h"
	 /\(** Name and fields of UserStruct are defined by the user \(**/
	 typedef struct UserStruct
	  {
	    char \(**STRING;
	    void \(**USER1;
	  } UserStruct;
	# define POINTER_STRING(R)                                \\
                                                                  \\
	  (((UserStruct \(**)((char \(**)(R)+sizeof(rdsrec_list)))->STRING )
	# define POINTER_USER1(R)                                 \\
                                                                  \\
	  (((UserStruct \(**)((char \(**)(R)+sizeof(rdsrec_list)))->USER1  )
	    main()
	     {
	       rdsfig_list \(**Figure;
	       rdsrec_list \(**Rectangle;
               mbkenv();
               rdsenv();
               loadrdsparam();
	       Rectangle = \fBallocrdsrec\fP ( sizeof ( UserStruct ) );
	       Rectangle->X               = 20;
	       Rectangle->Y               = 20;
	       Rectangle->DX              = 48;
	       Rectangle->DY              = 8;
	       POINTER_STRING (Rectangle) = (char \(**) malloc (strlen ("Alu1")+1);
	       strcpy(POINTER_STRING(Rectangle),"Alu1");
	       POINTER_USER1  (Rectangle) = (void \(**) Figure;
	       ...
	     }
.ft R
.fi
.SH SEE ALSO
.BR librds,
.BR freerdsrec,
.BR rdsalloc,
.BR rdsfree


.so jessie/alliance/alc_bug_report.1.en.gz