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Man Pages


Manual Reference Pages  -  ADDLOSIG (3)

[Include document man1/alc_contents.mac]

   addlosig    addlosig

NAME

addlosig - create a logical signal

[Include document man1/alc_origin.1]

CONTENTS

Synopsys
Parameters
Description
Return Value
Errors
Example
See Also

SYNOPSYS






#include "mlo.h"
losig_list *addlosig(ptfig, index, namechain, type)
lofig_list *ptfig;
long index;
chain_list *namechain;
char type;


PARAMETERS

ptfig Pointer to the figure in which the signal should be added
index Signal index
namechain List of names of the signal
type Signal type

DESCRIPTION

addlosig creates a new signal, and adds it to the list of signals pointed to by ptfig->LOSIG. The new signal is added in front of the list, and becomes itself the list head.
The type parameter can take two values :
EXTERNAL The signal is attached to at least one connector of the figure.
INTERNAL The signal is only attached to instance or transistor connector.
The index and type arguments fill the INDEX and TYPE fields of the losig(3) structure. The index is the signal identifier, so it should be unique at a given hierarchical level.
The namechain argument is a list of names, given in a chain_list. See chain(3) for details.

RETURN VALUE

addlosig returns a pointer to the newly created signal.

ERRORS

"*** mbk error *** addlosig impossible signal index already exist in figure ptfig->NAME"
The index is already used in an other signal, and since it’s the signal identifier, it can’t be.

EXAMPLE






#include "mlo.h"
losig_list *merge_and_create(pt, s0, s1) /* merge two signal in a third */
lofig_list *pt;
losig_list *s0, *s1;
{
chain_list *c;
losig_list *s;
long max_index;
   /* merge names */
   for (c = s0->NAMECHAIN; c; c = c->NEXT)
      s1->NAMECHAIN = addchain(s1->NAMECHAIN, c);
   /* find maximum index */
   for (s = pt->LOSIG; s; s = s->NEXT)
      if (max_index < s->INDEX)
         max_index = s->INDEX;
   s = addlosig(pt, ++max_index, s1->NAMECHAIN,
         s0->TYPE == EXTERNAL || s1->TYPE == EXTERNAL ?
         EXTERNAL : INTERNAL);
   dellosig(pt, s0);
   dellosig(pt, s1);
   return s;
}


SEE ALSO

mbk(1), lofig(3), losig(3), getlosig(3), dellosig(3).

[Include document man1/alc_bug_report.1]

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ASIM/LIP6 ADDLOSIG (3) October 1, 1997

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