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|
#include "EXTERN.h"
#define PERLIO_NOT_STDIO 1
#include "perl.h"
#include "XSUB.h"
#ifdef I_UNISTD
# include <unistd.h>
#endif
#ifdef I_FCNTL
# include <fcntl.h>
#endif
#ifdef PerlIO
typedef int SysRet;
typedef PerlIO * InputStream;
typedef PerlIO * OutputStream;
#else
#define PERLIO_IS_STDIO 1
typedef int SysRet;
typedef FILE * InputStream;
typedef FILE * OutputStream;
#endif
static int
not_here(char *s)
{
croak("%s not implemented on this architecture", s);
return -1;
}
static bool
constant(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;
case 'S':
if (strEQ(name, "SEEK_SET"))
#ifdef SEEK_SET
{ *pval = SEEK_SET; return TRUE; }
#else
return FALSE;
#endif
if (strEQ(name, "SEEK_CUR"))
#ifdef SEEK_CUR
{ *pval = SEEK_CUR; return TRUE; }
#else
return FALSE;
#endif
if (strEQ(name, "SEEK_END"))
#ifdef SEEK_END
{ *pval = SEEK_END; return TRUE; }
#else
return FALSE;
#endif
break;
}
return FALSE;
}
MODULE = IO PACKAGE = IO::Seekable PREFIX = f
SV *
fgetpos(handle)
InputStream handle
CODE:
if (handle) {
Fpos_t pos;
#ifdef PerlIO
PerlIO_getpos(handle, &pos);
#else
fgetpos(handle, &pos);
#endif
ST(0) = sv_2mortal(newSVpv((char*)&pos, sizeof(Fpos_t)));
}
else {
ST(0) = &PL_sv_undef;
errno = EINVAL;
}
SysRet
fsetpos(handle, pos)
InputStream handle
SV * pos
CODE:
char *p;
if (handle && (p = SvPVx(pos, PL_na)) && PL_na == sizeof(Fpos_t))
#ifdef PerlIO
RETVAL = PerlIO_setpos(handle, (Fpos_t*)p);
#else
RETVAL = fsetpos(handle, (Fpos_t*)p);
#endif
else {
RETVAL = -1;
errno = EINVAL;
}
OUTPUT:
RETVAL
MODULE = IO PACKAGE = IO::File PREFIX = f
SV *
new_tmpfile(packname = "IO::File")
char * packname
PREINIT:
OutputStream fp;
GV *gv;
CODE:
#ifdef PerlIO
fp = PerlIO_tmpfile();
#else
fp = tmpfile();
#endif
gv = (GV*)SvREFCNT_inc(newGVgen(packname));
hv_delete(GvSTASH(gv), GvNAME(gv), GvNAMELEN(gv), G_DISCARD);
if (do_open(gv, "+>&", 3, FALSE, 0, 0, fp)) {
ST(0) = sv_2mortal(newRV((SV*)gv));
sv_bless(ST(0), gv_stashpv(packname, TRUE));
SvREFCNT_dec(gv); /* undo increment in newRV() */
}
else {
ST(0) = &PL_sv_undef;
SvREFCNT_dec(gv);
}
MODULE = IO PACKAGE = IO::Handle PREFIX = f
SV *
constant(name)
char * name
CODE:
IV i;
if (constant(name, &i))
ST(0) = sv_2mortal(newSViv(i));
else
ST(0) = &PL_sv_undef;
int
ungetc(handle, c)
InputStream handle
int c
CODE:
if (handle)
#ifdef PerlIO
RETVAL = PerlIO_ungetc(handle, c);
#else
RETVAL = ungetc(c, handle);
#endif
else {
RETVAL = -1;
errno = EINVAL;
}
OUTPUT:
RETVAL
int
ferror(handle)
InputStream handle
CODE:
if (handle)
#ifdef PerlIO
RETVAL = PerlIO_error(handle);
#else
RETVAL = ferror(handle);
#endif
else {
RETVAL = -1;
errno = EINVAL;
}
OUTPUT:
RETVAL
int
clearerr(handle)
InputStream handle
CODE:
if (handle) {
#ifdef PerlIO
PerlIO_clearerr(handle);
#else
clearerr(handle);
#endif
RETVAL = 0;
}
else {
RETVAL = -1;
errno = EINVAL;
}
OUTPUT:
RETVAL
int
untaint(handle)
SV * handle
CODE:
#ifdef IOf_UNTAINT
IO * io;
io = sv_2io(handle);
if (io) {
IoFLAGS(io) |= IOf_UNTAINT;
RETVAL = 0;
}
else {
#endif
RETVAL = -1;
errno = EINVAL;
#ifdef IOf_UNTAINT
}
#endif
OUTPUT:
RETVAL
SysRet
fflush(handle)
OutputStream handle
CODE:
if (handle)
#ifdef PerlIO
RETVAL = PerlIO_flush(handle);
#else
RETVAL = Fflush(handle);
#endif
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:
if (handle)
#ifdef PERLIO_IS_STDIO
setbuf(handle, buf);
#else
not_here("IO::Handle::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:
/* Should check HAS_SETVBUF once Configure tests for that */
#if defined(PERLIO_IS_STDIO) && defined(_IOFBF)
if (!handle) /* Try input stream. */
handle = IoIFP(sv_2io(ST(0)));
if (handle)
RETVAL = setvbuf(handle, buf, type, size);
else {
RETVAL = -1;
errno = EINVAL;
}
#else
RETVAL = (SysRet) not_here("IO::Handle::setvbuf");
#endif
OUTPUT:
RETVAL
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