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|
#include "EXTERN.h"
#define PERLIO_NOT_STDIO 1
#include "perl.h"
#include "XSUB.h"
typedef int SysRet;
typedef PerlIO * InputStream;
typedef PerlIO * OutputStream;
static int
not_here(s)
char *s;
{
croak("FileHandle::%s not implemented on this architecture", s);
return -1;
}
static bool
constant(name, pval)
char *name;
IV *pval;
{
switch (*name) {
case '_':
if (strEQ(name, "_IOFBF"))
#ifdef _IOFBF
{ *pval = _IOFBF; return TRUE; }
#else
return FALSE;
#endif
if (strEQ(name, "_IOLBF"))
#ifdef _IOLBF
{ *pval = _IOLBF; return TRUE; }
#else
return FALSE;
#endif
if (strEQ(name, "_IONBF"))
#ifdef _IONBF
{ *pval = _IONBF; return TRUE; }
#else
return FALSE;
#endif
break;
}
return FALSE;
}
MODULE = FileHandle PACKAGE = FileHandle PREFIX = f
SV *
constant(name)
char * name
CODE:
IV i;
if (constant(name, &i))
RETVAL = newSViv(i);
else
RETVAL = &sv_undef;
OUTPUT:
RETVAL
SV *
fgetpos(handle)
InputStream handle
CODE:
if (handle) {
Fpos_t pos;
PerlIO_getpos(handle, &pos);
ST(0) = sv_2mortal(newSVpv((char*)&pos, sizeof(Fpos_t)));
}
else {
ST(0) = &sv_undef;
errno = EINVAL;
}
SysRet
fsetpos(handle, pos)
InputStream handle
SV * pos
CODE:
if (handle)
RETVAL = PerlIO_setpos(handle, (Fpos_t*)SvPVX(pos));
else {
RETVAL = -1;
errno = EINVAL;
}
OUTPUT:
RETVAL
int
ungetc(handle, c)
InputStream handle
int c
CODE:
if (handle)
RETVAL = PerlIO_ungetc(handle, c);
else {
RETVAL = -1;
errno = EINVAL;
}
OUTPUT:
RETVAL
OutputStream
new_tmpfile(packname = "FileHandle")
char * packname
CODE:
RETVAL = PerlIO_tmpfile();
OUTPUT:
RETVAL
int
ferror(handle)
InputStream handle
CODE:
if (handle)
RETVAL = PerlIO_error(handle);
else {
RETVAL = -1;
errno = EINVAL;
}
OUTPUT:
RETVAL
SysRet
fflush(handle)
OutputStream handle
CODE:
if (handle)
RETVAL = PerlIO_flush(handle);
else {
RETVAL = -1;
errno = EINVAL;
}
OUTPUT:
RETVAL
void
setbuf(handle, buf)
OutputStream handle
char * buf = SvPOK(ST(1)) ? sv_grow(ST(1), BUFSIZ) : 0;
CODE:
#ifdef PERLIO_IS_STDIO
if (handle)
setbuf(handle, buf);
#else
not_here("setbuf");
#endif
SysRet
setvbuf(handle, buf, type, size)
OutputStream handle
char * buf = SvPOK(ST(1)) ? sv_grow(ST(1), SvIV(ST(3))) : 0;
int type
int size
CODE:
#ifdef PERLIO_IS_STDIO
#ifdef _IOFBF /* Should be HAS_SETVBUF once Configure tests for that */
if (handle)
RETVAL = setvbuf(handle, buf, type, size);
else {
RETVAL = -1;
errno = EINVAL;
}
#else
RETVAL = (SysRet) not_here("setvbuf");
#endif /* _IOFBF */
#else
RETVAL = (SysRet) not_here("setvbuf");
#endif
OUTPUT:
RETVAL
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