| 1 |
/* |
| 2 |
* Copyright (c) 1997-8 Graham Barr <gbarr@pobox.com>. All rights reserved. |
| 3 |
* This program is free software; you can redistribute it and/or |
| 4 |
* modify it under the same terms as Perl itself. |
| 5 |
*/ |
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|
| 7 |
#define PERL_EXT_IO |
| 8 |
|
| 9 |
#define PERL_NO_GET_CONTEXT |
| 10 |
#include "EXTERN.h" |
| 11 |
#define PERLIO_NOT_STDIO 1 |
| 12 |
#include "perl.h" |
| 13 |
#include "XSUB.h" |
| 14 |
#include "poll.h" |
| 15 |
#ifdef I_UNISTD |
| 16 |
# include <unistd.h> |
| 17 |
#endif |
| 18 |
#if defined(I_FCNTL) || defined(HAS_FCNTL) |
| 19 |
# include <fcntl.h> |
| 20 |
#endif |
| 21 |
|
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#ifndef SIOCATMARK |
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# ifdef I_SYS_SOCKIO |
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# include <sys/sockio.h> |
| 25 |
# endif |
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#endif |
| 27 |
|
| 28 |
#ifdef PerlIO |
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#if defined(MACOS_TRADITIONAL) && defined(USE_SFIO) |
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#define PERLIO_IS_STDIO 1 |
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#undef setbuf |
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#undef setvbuf |
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#define setvbuf _stdsetvbuf |
| 34 |
#define setbuf(f,b) ( __sf_setbuf(f,b) ) |
| 35 |
#endif |
| 36 |
typedef int SysRet; |
| 37 |
typedef PerlIO * InputStream; |
| 38 |
typedef PerlIO * OutputStream; |
| 39 |
#else |
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#define PERLIO_IS_STDIO 1 |
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typedef int SysRet; |
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typedef FILE * InputStream; |
| 43 |
typedef FILE * OutputStream; |
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#endif |
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|
| 46 |
#define MY_start_subparse(fmt,flags) start_subparse(fmt,flags) |
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|
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#ifndef gv_stashpvn |
| 49 |
#define gv_stashpvn(str,len,flags) gv_stashpv(str,flags) |
| 50 |
#endif |
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|
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static int |
| 53 |
not_here(char *s) |
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{ |
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croak("%s not implemented on this architecture", s); |
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return -1; |
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} |
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|
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|
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#ifndef PerlIO |
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#define PerlIO_fileno(f) fileno(f) |
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#endif |
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|
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static int |
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io_blocking(pTHX_ InputStream f, int block) |
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{ |
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#if defined(HAS_FCNTL) |
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int RETVAL; |
| 69 |
if(!f) { |
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errno = EBADF; |
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return -1; |
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} |
| 73 |
RETVAL = fcntl(PerlIO_fileno(f), F_GETFL, 0); |
| 74 |
if (RETVAL >= 0) { |
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int mode = RETVAL; |
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int newmode = mode; |
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#ifdef O_NONBLOCK |
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/* POSIX style */ |
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|
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# ifndef O_NDELAY |
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# define O_NDELAY O_NONBLOCK |
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# endif |
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/* Note: UNICOS and UNICOS/mk a F_GETFL returns an O_NDELAY |
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* after a successful F_SETFL of an O_NONBLOCK. */ |
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RETVAL = RETVAL & (O_NONBLOCK | O_NDELAY) ? 0 : 1; |
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|
| 87 |
if (block == 0) { |
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newmode &= ~O_NDELAY; |
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newmode |= O_NONBLOCK; |
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} else if (block > 0) { |
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newmode &= ~(O_NDELAY|O_NONBLOCK); |
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} |
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#else |
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/* Not POSIX - better have O_NDELAY or we can't cope. |
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* for BSD-ish machines this is an acceptable alternative |
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* for SysV we can't tell "would block" from EOF but that is |
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* the way SysV is... |
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*/ |
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RETVAL = RETVAL & O_NDELAY ? 0 : 1; |
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|
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if (block == 0) { |
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newmode |= O_NDELAY; |
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} else if (block > 0) { |
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newmode &= ~O_NDELAY; |
| 105 |
} |
| 106 |
#endif |
| 107 |
if (newmode != mode) { |
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int ret; |
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ret = fcntl(PerlIO_fileno(f),F_SETFL,newmode); |
| 110 |
if (ret < 0) |
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RETVAL = ret; |
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} |
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} |
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return RETVAL; |
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#else |
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return -1; |
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#endif |
| 118 |
} |
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|
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MODULE = IO PACKAGE = IO::Seekable PREFIX = f |
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|
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void |
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fgetpos(handle) |
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InputStream handle |
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CODE: |
| 126 |
if (handle) { |
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#ifdef PerlIO |
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ST(0) = sv_2mortal(newSV(0)); |
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if (PerlIO_getpos(handle, ST(0)) != 0) { |
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ST(0) = &PL_sv_undef; |
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} |
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#else |
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if (fgetpos(handle, &pos)) { |
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ST(0) = &PL_sv_undef; |
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} else { |
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ST(0) = sv_2mortal(newSVpv((char*)&pos, sizeof(Fpos_t))); |
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} |
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#endif |
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} |
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else { |
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ST(0) = &PL_sv_undef; |
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errno = EINVAL; |
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} |
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|
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SysRet |
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fsetpos(handle, pos) |
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InputStream handle |
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SV * pos |
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CODE: |
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if (handle) { |
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#ifdef PerlIO |
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RETVAL = PerlIO_setpos(handle, pos); |
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#else |
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char *p; |
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STRLEN len; |
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if ((p = SvPV(pos,len)) && len == sizeof(Fpos_t)) { |
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RETVAL = fsetpos(handle, (Fpos_t*)p); |
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} |
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else { |
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RETVAL = -1; |
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errno = EINVAL; |
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} |
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#endif |
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} |
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else { |
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RETVAL = -1; |
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errno = EINVAL; |
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} |
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OUTPUT: |
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RETVAL |
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|
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MODULE = IO PACKAGE = IO::File PREFIX = f |
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|
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void |
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new_tmpfile(packname = "IO::File") |
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char * packname |
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PREINIT: |
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OutputStream fp; |
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GV *gv; |
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CODE: |
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#ifdef PerlIO |
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fp = PerlIO_tmpfile(); |
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#else |
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fp = tmpfile(); |
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#endif |
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gv = (GV*)SvREFCNT_inc(newGVgen(packname)); |
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hv_delete(GvSTASH(gv), GvNAME(gv), GvNAMELEN(gv), G_DISCARD); |
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if (do_open(gv, "+>&", 3, FALSE, 0, 0, fp)) { |
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ST(0) = sv_2mortal(newRV((SV*)gv)); |
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sv_bless(ST(0), gv_stashpv(packname, TRUE)); |
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SvREFCNT_dec(gv); /* undo increment in newRV() */ |
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} |
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else { |
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ST(0) = &PL_sv_undef; |
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SvREFCNT_dec(gv); |
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} |
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|
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MODULE = IO PACKAGE = IO::Poll |
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|
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void |
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_poll(timeout,...) |
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int timeout; |
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PPCODE: |
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{ |
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#ifdef HAS_POLL |
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int nfd = (items - 1) / 2; |
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SV *tmpsv = NEWSV(999,nfd * sizeof(struct pollfd)); |
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struct pollfd *fds = (struct pollfd *)SvPVX(tmpsv); |
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int i,j,ret; |
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for(i=1, j=0 ; j < nfd ; j++) { |
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fds[j].fd = SvIV(ST(i)); |
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i++; |
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fds[j].events = (short)SvIV(ST(i)); |
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i++; |
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fds[j].revents = 0; |
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} |
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if((ret = poll(fds,nfd,timeout)) >= 0) { |
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for(i=1, j=0 ; j < nfd ; j++) { |
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sv_setiv(ST(i), fds[j].fd); i++; |
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sv_setiv(ST(i), fds[j].revents); i++; |
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} |
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} |
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SvREFCNT_dec(tmpsv); |
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XSRETURN_IV(ret); |
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#else |
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not_here("IO::Poll::poll"); |
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#endif |
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} |
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|
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MODULE = IO PACKAGE = IO::Handle PREFIX = io_ |
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|
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void |
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io_blocking(handle,blk=-1) |
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InputStream handle |
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int blk |
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PROTOTYPE: $;$ |
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CODE: |
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{ |
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int ret = io_blocking(aTHX_ handle, items == 1 ? -1 : blk ? 1 : 0); |
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if(ret >= 0) |
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XSRETURN_IV(ret); |
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else |
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XSRETURN_UNDEF; |
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} |
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|
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MODULE = IO PACKAGE = IO::Handle PREFIX = f |
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|
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int |
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ungetc(handle, c) |
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InputStream handle |
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int c |
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CODE: |
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if (handle) |
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#ifdef PerlIO |
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RETVAL = PerlIO_ungetc(handle, c); |
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#else |
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RETVAL = ungetc(c, handle); |
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#endif |
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else { |
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RETVAL = -1; |
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errno = EINVAL; |
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} |
| 263 |
OUTPUT: |
| 264 |
RETVAL |
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|
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int |
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ferror(handle) |
| 268 |
InputStream handle |
| 269 |
CODE: |
| 270 |
if (handle) |
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#ifdef PerlIO |
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RETVAL = PerlIO_error(handle); |
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#else |
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RETVAL = ferror(handle); |
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#endif |
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else { |
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RETVAL = -1; |
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errno = EINVAL; |
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} |
| 280 |
OUTPUT: |
| 281 |
RETVAL |
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|
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int |
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clearerr(handle) |
| 285 |
InputStream handle |
| 286 |
CODE: |
| 287 |
if (handle) { |
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#ifdef PerlIO |
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PerlIO_clearerr(handle); |
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#else |
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clearerr(handle); |
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#endif |
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RETVAL = 0; |
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} |
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else { |
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RETVAL = -1; |
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errno = EINVAL; |
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} |
| 299 |
OUTPUT: |
| 300 |
RETVAL |
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|
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int |
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untaint(handle) |
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SV * handle |
| 305 |
CODE: |
| 306 |
#ifdef IOf_UNTAINT |
| 307 |
IO * io; |
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io = sv_2io(handle); |
| 309 |
if (io) { |
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IoFLAGS(io) |= IOf_UNTAINT; |
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RETVAL = 0; |
| 312 |
} |
| 313 |
else { |
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#endif |
| 315 |
RETVAL = -1; |
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errno = EINVAL; |
| 317 |
#ifdef IOf_UNTAINT |
| 318 |
} |
| 319 |
#endif |
| 320 |
OUTPUT: |
| 321 |
RETVAL |
| 322 |
|
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SysRet |
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fflush(handle) |
| 325 |
OutputStream handle |
| 326 |
CODE: |
| 327 |
if (handle) |
| 328 |
#ifdef PerlIO |
| 329 |
RETVAL = PerlIO_flush(handle); |
| 330 |
#else |
| 331 |
RETVAL = Fflush(handle); |
| 332 |
#endif |
| 333 |
else { |
| 334 |
RETVAL = -1; |
| 335 |
errno = EINVAL; |
| 336 |
} |
| 337 |
OUTPUT: |
| 338 |
RETVAL |
| 339 |
|
| 340 |
void |
| 341 |
setbuf(handle, ...) |
| 342 |
OutputStream handle |
| 343 |
CODE: |
| 344 |
if (handle) |
| 345 |
#ifdef PERLIO_IS_STDIO |
| 346 |
{ |
| 347 |
char *buf = items == 2 && SvPOK(ST(1)) ? |
| 348 |
sv_grow(ST(1), BUFSIZ) : 0; |
| 349 |
setbuf(handle, buf); |
| 350 |
} |
| 351 |
#else |
| 352 |
not_here("IO::Handle::setbuf"); |
| 353 |
#endif |
| 354 |
|
| 355 |
SysRet |
| 356 |
setvbuf(...) |
| 357 |
CODE: |
| 358 |
if (items != 4) |
| 359 |
Perl_croak(aTHX_ "Usage: IO::Handle::setvbuf(handle, buf, type, size)"); |
| 360 |
#if defined(PERLIO_IS_STDIO) && defined(_IOFBF) && defined(HAS_SETVBUF) |
| 361 |
{ |
| 362 |
OutputStream handle = 0; |
| 363 |
char * buf = SvPOK(ST(1)) ? sv_grow(ST(1), SvIV(ST(3))) : 0; |
| 364 |
int type; |
| 365 |
int size; |
| 366 |
|
| 367 |
if (items == 4) { |
| 368 |
handle = IoOFP(sv_2io(ST(0))); |
| 369 |
buf = SvPOK(ST(1)) ? sv_grow(ST(1), SvIV(ST(3))) : 0; |
| 370 |
type = (int)SvIV(ST(2)); |
| 371 |
size = (int)SvIV(ST(3)); |
| 372 |
} |
| 373 |
if (!handle) /* Try input stream. */ |
| 374 |
handle = IoIFP(sv_2io(ST(0))); |
| 375 |
if (items == 4 && handle) |
| 376 |
RETVAL = setvbuf(handle, buf, type, size); |
| 377 |
else { |
| 378 |
RETVAL = -1; |
| 379 |
errno = EINVAL; |
| 380 |
} |
| 381 |
} |
| 382 |
#else |
| 383 |
RETVAL = (SysRet) not_here("IO::Handle::setvbuf"); |
| 384 |
#endif |
| 385 |
OUTPUT: |
| 386 |
RETVAL |
| 387 |
|
| 388 |
|
| 389 |
SysRet |
| 390 |
fsync(handle) |
| 391 |
OutputStream handle |
| 392 |
CODE: |
| 393 |
#ifdef HAS_FSYNC |
| 394 |
if(handle) |
| 395 |
RETVAL = fsync(PerlIO_fileno(handle)); |
| 396 |
else { |
| 397 |
RETVAL = -1; |
| 398 |
errno = EINVAL; |
| 399 |
} |
| 400 |
#else |
| 401 |
RETVAL = (SysRet) not_here("IO::Handle::sync"); |
| 402 |
#endif |
| 403 |
OUTPUT: |
| 404 |
RETVAL |
| 405 |
|
| 406 |
|
| 407 |
MODULE = IO PACKAGE = IO::Socket |
| 408 |
|
| 409 |
SysRet |
| 410 |
sockatmark (sock) |
| 411 |
InputStream sock |
| 412 |
PROTOTYPE: $ |
| 413 |
PREINIT: |
| 414 |
int fd; |
| 415 |
CODE: |
| 416 |
{ |
| 417 |
fd = PerlIO_fileno(sock); |
| 418 |
#ifdef HAS_SOCKATMARK |
| 419 |
RETVAL = sockatmark(fd); |
| 420 |
#else |
| 421 |
{ |
| 422 |
int flag = 0; |
| 423 |
# ifdef SIOCATMARK |
| 424 |
# if defined(NETWARE) || defined(WIN32) |
| 425 |
if (ioctl(fd, SIOCATMARK, (void*)&flag) != 0) |
| 426 |
# else |
| 427 |
if (ioctl(fd, SIOCATMARK, &flag) != 0) |
| 428 |
# endif |
| 429 |
XSRETURN_UNDEF; |
| 430 |
# else |
| 431 |
not_here("IO::Socket::atmark"); |
| 432 |
# endif |
| 433 |
RETVAL = flag; |
| 434 |
} |
| 435 |
#endif |
| 436 |
} |
| 437 |
OUTPUT: |
| 438 |
RETVAL |
| 439 |
|
| 440 |
BOOT: |
| 441 |
{ |
| 442 |
HV *stash; |
| 443 |
/* |
| 444 |
* constant subs for IO::Poll |
| 445 |
*/ |
| 446 |
stash = gv_stashpvn("IO::Poll", 8, TRUE); |
| 447 |
#ifdef POLLIN |
| 448 |
newCONSTSUB(stash,"POLLIN",newSViv(POLLIN)); |
| 449 |
#endif |
| 450 |
#ifdef POLLPRI |
| 451 |
newCONSTSUB(stash,"POLLPRI", newSViv(POLLPRI)); |
| 452 |
#endif |
| 453 |
#ifdef POLLOUT |
| 454 |
newCONSTSUB(stash,"POLLOUT", newSViv(POLLOUT)); |
| 455 |
#endif |
| 456 |
#ifdef POLLRDNORM |
| 457 |
newCONSTSUB(stash,"POLLRDNORM", newSViv(POLLRDNORM)); |
| 458 |
#endif |
| 459 |
#ifdef POLLWRNORM |
| 460 |
newCONSTSUB(stash,"POLLWRNORM", newSViv(POLLWRNORM)); |
| 461 |
#endif |
| 462 |
#ifdef POLLRDBAND |
| 463 |
newCONSTSUB(stash,"POLLRDBAND", newSViv(POLLRDBAND)); |
| 464 |
#endif |
| 465 |
#ifdef POLLWRBAND |
| 466 |
newCONSTSUB(stash,"POLLWRBAND", newSViv(POLLWRBAND)); |
| 467 |
#endif |
| 468 |
#ifdef POLLNORM |
| 469 |
newCONSTSUB(stash,"POLLNORM", newSViv(POLLNORM)); |
| 470 |
#endif |
| 471 |
#ifdef POLLERR |
| 472 |
newCONSTSUB(stash,"POLLERR", newSViv(POLLERR)); |
| 473 |
#endif |
| 474 |
#ifdef POLLHUP |
| 475 |
newCONSTSUB(stash,"POLLHUP", newSViv(POLLHUP)); |
| 476 |
#endif |
| 477 |
#ifdef POLLNVAL |
| 478 |
newCONSTSUB(stash,"POLLNVAL", newSViv(POLLNVAL)); |
| 479 |
#endif |
| 480 |
/* |
| 481 |
* constant subs for IO::Handle |
| 482 |
*/ |
| 483 |
stash = gv_stashpvn("IO::Handle", 10, TRUE); |
| 484 |
#ifdef _IOFBF |
| 485 |
newCONSTSUB(stash,"_IOFBF", newSViv(_IOFBF)); |
| 486 |
#endif |
| 487 |
#ifdef _IOLBF |
| 488 |
newCONSTSUB(stash,"_IOLBF", newSViv(_IOLBF)); |
| 489 |
#endif |
| 490 |
#ifdef _IONBF |
| 491 |
newCONSTSUB(stash,"_IONBF", newSViv(_IONBF)); |
| 492 |
#endif |
| 493 |
#ifdef SEEK_SET |
| 494 |
newCONSTSUB(stash,"SEEK_SET", newSViv(SEEK_SET)); |
| 495 |
#endif |
| 496 |
#ifdef SEEK_CUR |
| 497 |
newCONSTSUB(stash,"SEEK_CUR", newSViv(SEEK_CUR)); |
| 498 |
#endif |
| 499 |
#ifdef SEEK_END |
| 500 |
newCONSTSUB(stash,"SEEK_END", newSViv(SEEK_END)); |
| 501 |
#endif |
| 502 |
} |
| 503 |
|
