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/*
* iclose and iflush -
*
* Paul Haeberli - 1984
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "image.h"
/* reverse byte order for header ? */
#ifdef __FreeBSD__
# define DOREV
#endif
#ifdef __linux__
# define DOREV
#endif
int
iclose(image)
register IMAGE *image;
{
long tablesize;
int ret;
iflush(image);
img_optseek(image, 0);
if (image->flags&_IOWRT) {
#ifdef DOREV
if(!image->dorev)
#else
if(image->dorev)
#endif
cvtimage(image);
if (img_write(image,image,sizeof(IMAGE)) != sizeof(IMAGE)) {
i_errhdlr("iclose: error on write of image header\n");
return EOF;
}
#ifdef DOREV
if(!image->dorev)
#else
if(image->dorev)
#endif
cvtimage(image);
if(ISRLE(image->type)) {
img_optseek(image, 512L);
tablesize = image->ysize*image->zsize*sizeof(long);
#ifdef DOREV
if(!image->dorev)
#else
if(image->dorev)
#endif
cvtlongs(image->rowstart,tablesize);
if (img_write(image,image->rowstart,tablesize) != tablesize) {
i_errhdlr("iclose: error on write of rowstart\n");
return EOF;
}
#ifdef DOREV
if(!image->dorev)
#else
if(image->dorev)
#endif
cvtlongs(image->rowsize,tablesize);
if (img_write(image,image->rowsize,tablesize) != tablesize) {
i_errhdlr("iclose: error on write of rowsize\n");
return EOF;
}
}
}
if(image->base) {
free(image->base);
image->base = 0;
}
if(image->tmpbuf) {
free(image->tmpbuf);
image->tmpbuf = 0;
}
if(ISRLE(image->type)) {
free(image->rowstart);
image->rowstart = 0;
free(image->rowsize);
image->rowsize = 0;
}
ret = close(image->file);
free(image);
return ret;
}
iflush(image)
register IMAGE *image;
{
unsigned short *base;
if ( (image->flags&_IOWRT)
&& (base=image->base)!=NULL && (image->ptr-base)>0) {
if (putrow(image, base, image->y,image->z)!=image->xsize) {
image->flags |= _IOERR;
return(EOF);
}
}
}
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