ALLOCRDSREC(3) RDS PHYSICAL FUNCTIONS ALLOCRDSREC(3) NAME allocrdsrec - allocates memory for a rectangle SYNOPSIS #include"rdsnnn.h" rdsrec_list *allocrdsrec( Size ) unsigned int Size; PARAMETER Size Size of the added structure to the rdsrec_list struc- ture. 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. NOTE: Allocation by heap ( see rdsalloc function ). RETURN VALUE The pointer to the rectangle structure allocated. ERRORS "Rds202: rdsalloc error, can't continue !" it's impossible to allocate the memory size desired. EXAMPLE # 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 = allocrdsrec ( 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; ... } SEE ALSO librds, freerdsrec, rdsalloc, rdsfree ASIM/LIP6 October 1, 1997 ALLOCRDSREC(3)
NAME | SYNOPSIS | PARAMETER | DESCRIPTION | RETURN VALUE | ERRORS | EXAMPLE | SEE ALSO
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