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/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
*/
#define import_spp
#define import_libc
#define import_xnames
#define import_stdio
#include <iraf.h>
/* C_FLSBUF -- Flush the FIO file buffer. Called by the PUTC macro to flush
** the file buffer when it fills. The function value returned is either the
** first char written to the buffer (passed as an argument) or EOF in the
** event of an error.
*/
int
c_flsbuf (
unsigned int ch, /* char which caused the fault */
FILE *fp /* output file */
)
{
register int buf_not_full;
XINT fd = fileno(fp);
XINT nreserve = 1;
/* If we were called due to flush on newline and there is space in
* the buffer, put the ch in the buffer before flushing.
*/
buf_not_full = (fp->_iop < fp->_otop);
if (buf_not_full)
Memc[fp->_iop++] = (unsigned)ch;
iferr (FLSBUF (&fd, &nreserve)) {
fp->_fflags |= _FERR;
return (EOF);
}
if (!buf_not_full)
Memc[fp->_iop++] = (unsigned)ch;
return (ch);
}
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