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/*
* bibl.c
*
* Copyright (c) Chris Putnam 2005-2009
*
* Source code released under the GPL
*
*/
#include <stdio.h>
#include <stdlib.h>
#include "bibl.h"
void
bibl_init( bibl *b )
{
b->nrefs = b->maxrefs = 0L;
b->ref = NULL;
}
static void
bibl_malloc( bibl * b )
{
int alloc = 50;
b->nrefs = 0;
b->ref = ( fields ** ) malloc( sizeof( fields* ) * alloc );
if ( b->ref ) {
b->maxrefs = alloc;
} else {
fprintf( stderr, "bibl_malloc: allocation error\n" );
exit( EXIT_FAILURE );
}
}
static void
bibl_realloc( bibl * b )
{
int alloc = b->maxrefs * 2;
fields **more;
more = ( fields ** ) realloc( b->ref, sizeof( fields* ) * alloc );
if ( more ) {
b->ref = more;
b->maxrefs = alloc;
} else {
fprintf( stderr, "bibl_realloc: allocation error\n" );
exit( EXIT_FAILURE );
}
}
void
bibl_addref( bibl *b, fields *ref )
{
if ( b->maxrefs==0 ) bibl_malloc( b );
else if ( b->nrefs >= b->maxrefs ) bibl_realloc( b );
b->ref[ b->nrefs ] = ref;
b->nrefs++;
}
void
bibl_free( bibl *b )
{
long i;
for ( i=0; i<b->nrefs; ++i )
fields_free( b->ref[i] );
free( b->ref );
b->ref = NULL;
b->nrefs = b->maxrefs = 0;
}
void
bibl_copy( bibl *bout, bibl *bin )
{
fields *refin;
fields *refout;
int i, j;
for ( i=0; i<bin->nrefs; ++i ) {
refin = bin->ref[i];
refout = fields_new();
for ( j=0; j<refin->nfields; ++j ) {
if ( refin->tag[j].data && refin->data[j].data )
fields_add( refout, refin->tag[j].data,
refin->data[j].data, refin->level[j] );
}
bibl_addref( bout, refout );
}
}
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