From 6ca31c475f7ae1605be34a0629559db2beef49d1 Mon Sep 17 00:00:00 2001
From: Alan Mishchenko <alanmi@berkeley.edu>
Date: Thu, 16 Sep 2021 21:51:10 -0700
Subject: Improving MiniAIG and name manager.

---
 src/misc/util/utilNam.c | 39 +++++++++++++++++++++++++++++++++++++++
 src/misc/util/utilNam.h |  2 ++
 2 files changed, 41 insertions(+)

(limited to 'src/misc')

diff --git a/src/misc/util/utilNam.c b/src/misc/util/utilNam.c
index 30a68c63..b1d2702c 100644
--- a/src/misc/util/utilNam.c
+++ b/src/misc/util/utilNam.c
@@ -142,6 +142,45 @@ void Abc_NamPrint( Abc_Nam_t * p, char * pFileName )
         fclose(pFile);
 }
 
+/**Function*************************************************************
+
+  Synopsis    [Writes into a file and reads from a file.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Abc_NamSave( Abc_Nam_t * p, char * pFileName )
+{
+    FILE * pFile = fopen( pFileName, "wb" ); int h, i;
+    if ( pFile == NULL ) { printf( "Count node open input file %s\n", pFileName ); return; }
+    Vec_IntForEachEntryStart( &p->vInt2Handle, h, i, 1 )
+        fprintf( pFile, "%s\n", Abc_NamHandleToStr(p, h) );
+    fclose(pFile);
+}
+Abc_Nam_t * Abc_NamLoad( char * pFileName )
+{
+    Abc_Nam_t * p;
+    int fFound, NameId, nLineSize = 1 << 20;
+    char * pBuffer = ABC_ALLOC( char, nLineSize+1 );
+    FILE * pFile = fopen( pFileName, "rb" );
+    if ( pFile == NULL ) { printf( "Count node open output file %s\n", pFileName ); return NULL; }
+    p = Abc_NamStart( 1000, 20 );
+    while ( fgets( pBuffer, nLineSize, pFile ) != NULL )
+    {
+        pBuffer[strlen(pBuffer)-1] = 0;
+        NameId = Abc_NamStrFindOrAdd( p, pBuffer, &fFound );
+        assert( !fFound );
+    }
+    assert( NameId+1 == Abc_NamObjNumMax(p) );
+    fclose( pFile );
+    ABC_FREE( pBuffer );
+    return p;
+}
+
 /**Function*************************************************************
 
   Synopsis    [References the manager.]
diff --git a/src/misc/util/utilNam.h b/src/misc/util/utilNam.h
index 8e054fc1..cf2d27e7 100644
--- a/src/misc/util/utilNam.h
+++ b/src/misc/util/utilNam.h
@@ -53,6 +53,8 @@ typedef struct Abc_Nam_t_           Abc_Nam_t;
 extern Abc_Nam_t *     Abc_NamStart( int nObjs, int nAveSize );
 extern void            Abc_NamStop( Abc_Nam_t * p );
 extern void            Abc_NamPrint( Abc_Nam_t * p, char * pFileName );
+extern void            Abc_NamSave( Abc_Nam_t * p, char * pFileName );
+extern Abc_Nam_t *     Abc_NamLoad( char * pFileName );
 extern Abc_Nam_t *     Abc_NamRef( Abc_Nam_t * p );
 extern void            Abc_NamDeref( Abc_Nam_t * p );
 extern int             Abc_NamObjNumMax( Abc_Nam_t * p );
-- 
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