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#include "config.h"
#include "f2c.h"
#include "fio.h"
#include <sys/types.h>
uiolen f__reclen;
int
do_us (ftnint * number, char *ptr, ftnlen len)
{
if (f__reading)
{
f__recpos += (int) (*number * len);
if (f__recpos > f__reclen)
err (f__elist->cierr, 110, "do_us");
if (fread (ptr, (size_t) len, (size_t) (*number), f__cf) != (size_t) *number)
err (f__elist->ciend, EOF, "do_us");
return (0);
}
else
{
f__reclen += *number * len;
(void) fwrite (ptr, (size_t) len, (size_t) (*number), f__cf);
return (0);
}
}
integer
do_ud (ftnint * number, char *ptr, ftnlen len)
{
f__recpos += (int) (*number * len);
if (f__recpos > f__curunit->url && f__curunit->url != 1)
err (f__elist->cierr, 110, "do_ud");
if (f__reading)
{
#ifdef Pad_UDread
size_t i;
if (!(i = fread (ptr, (size_t) len, (size_t) (*number), f__cf))
&& !(f__recpos - *number * len))
err (f__elist->cierr, EOF, "do_ud");
if (i < (size_t) *number)
memset (ptr + i * len, 0, (*number - i) * len);
return 0;
#else
if (fread (ptr, (size_t) len, (size_t) (*number), f__cf) != *number)
err (f__elist->cierr, EOF, "do_ud");
else
return (0);
#endif
}
(void) fwrite (ptr, (size_t) len, (size_t) (*number), f__cf);
return (0);
}
integer
do_uio (ftnint * number, char *ptr, ftnlen len)
{
if (f__sequential)
return (do_us (number, ptr, len));
else
return (do_ud (number, ptr, len));
}
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