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/*
* slide.c:
*
* Copyright (c) 2008 James McKenzie <james@fishsoup.dhs.org>,
* All rights reserved.
*
*/
static char rcsid[] = "$Id$";
/*
* $Log$
* Revision 1.6 2008/03/07 12:37:04 james
* *** empty log message ***
*
* Revision 1.5 2008/03/03 06:04:42 james
* *** empty log message ***
*
* Revision 1.4 2008/03/02 10:37:56 james
* *** empty log message ***
*
* Revision 1.3 2008/02/14 02:46:44 james
* *** empty log message ***
*
* Revision 1.2 2008/02/14 00:57:58 james
* *** empty log message ***
*
* Revision 1.1 2008/02/13 16:57:29 james
* *** empty log message ***
*
* Revision 1.3 2008/02/13 09:12:21 james
* *** empty log message ***
*
* Revision 1.2 2008/02/12 22:36:46 james
* *** empty log message ***
*
* Revision 1.1 2008/02/08 15:06:42 james
* *** empty log message ***
*
*/
#include "project.h"
void
slide_free (Slide * s)
{
free (s->slide);
free (s);
}
void
slide_consume (Slide * s, int n)
{
s->nbytes -= n;
if (s->nbytes < 0)
abort ();
memmove (s->slide, s->slide + n, s->nbytes);
if ((s->size > s->target_size) && (s->nbytes <= s->target_size)) {
s->size = s->target_size;
s->slide = realloc (s->slide, s->size);
}
}
void
slide_added (Slide * s, int n)
{
s->nbytes += n;
}
Slide *
slide_new (int n)
{
Slide *ret = (Slide *) malloc (sizeof (Slide));
ret->slide = (uint8_t *) malloc (n);
ret->size = n;
ret->target_size = n;
ret->nbytes = 0;
return ret;
}
void
slide_expand (Slide * s, int n)
{
n += s->nbytes;
if (n <= s->size)
return;
while (n > s->size)
s->size <<= 1;
// FIXME -- might fail
s->slide = realloc (s->slide, s->size);
}
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