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/* fgetfbuf.c 1.3 (CARL) 9/12/86 15:57:44 */
#include <stdio.h>
#include <carl/defaults.h>
#include <carl/carl.h>
#include <carl/procom.h>
/*
* fgetfbuf - get buffer of floatsams
* takes:
* fp - pointer to a buffer of floats
* n - number of floats
* iop - file descriptor
* returns:
* count of floats read
* -1 on errors
* 0 if out of input
* side effects:
* sets up buffer for samples
* if a header is present, it is read in and stored on the
* property list associated with this iop
*/
fgetfbuf(fp, n, iop)
register float *fp;
register int n;
FILE *iop;
{
register struct fltbuf *fbp;
register int i;
fbp = &fb[fileno(iop)]; /* get fid buffer pointer */
if (fbp->gpflt == 0) { /* first time? */
set_sample_size(sizeof(float));
if (finitbuf(iop)) /* setup buffer */
return(-1);
if (!fbp->prop) /* go get header */
getheader(iop);
}
for (i = 0; i < n; i++) {
if (fbp->pos >= fbp->n) {
if ((fbp->n = read(fileno(iop),
(char *)fbp->fbuf,P_BUFSIZE))<=0)
return(fbp->n < 0 ? fbp->n : i);
fbp->pos = 0;
fbp->n /= fbp->ssize;
}
*fp++ = fbp->fbuf[fbp->pos++];
}
return(n); /* success */
}
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.