* modify it under the same terms as Perl itself.
*/
+#define PERL_EXT_IO
+
#define PERL_NO_GET_CONTEXT
#include "EXTERN.h"
#define PERLIO_NOT_STDIO 1
#endif
#ifdef PerlIO
+#if defined(MACOS_TRADITIONAL) && defined(USE_SFIO)
+#define PERLIO_IS_STDIO 1
+#undef setbuf
+#undef setvbuf
+#define setvbuf _stdsetvbuf
+#define setbuf(f,b) ( __sf_setbuf(f,b) )
+#endif
typedef int SysRet;
typedef PerlIO * InputStream;
typedef PerlIO * OutputStream;
#define gv_stashpvn(str,len,flags) gv_stashpv(str,flags)
#endif
+static int not_here(const char *s) __attribute__noreturn__;
static int
-not_here(char *s)
+not_here(const char *s)
{
croak("%s not implemented on this architecture", s);
- return -1;
+ NORETURN_FUNCTION_END;
}
#endif
static int
-io_blocking(InputStream f, int block)
+io_blocking(pTHX_ InputStream f, int block)
{
+#if defined(HAS_FCNTL)
int RETVAL;
if(!f) {
errno = EBADF;
return -1;
}
-#if defined(HAS_FCNTL)
RETVAL = fcntl(PerlIO_fileno(f), F_GETFL, 0);
if (RETVAL >= 0) {
int mode = RETVAL;
+ int newmode = mode;
#ifdef O_NONBLOCK
/* POSIX style */
-#if defined(O_NDELAY) && O_NDELAY != O_NONBLOCK
- /* Ooops has O_NDELAY too - make sure we don't
- * get SysV behaviour by mistake. */
- /* E.g. In UNICOS and UNICOS/mk a F_GETFL returns an O_NDELAY
+# ifndef O_NDELAY
+# define O_NDELAY O_NONBLOCK
+# endif
+ /* Note: UNICOS and UNICOS/mk a F_GETFL returns an O_NDELAY
* after a successful F_SETFL of an O_NONBLOCK. */
RETVAL = RETVAL & (O_NONBLOCK | O_NDELAY) ? 0 : 1;
- if (block >= 0) {
- if ((mode & O_NDELAY) || ((block == 0) && !(mode & O_NONBLOCK))) {
- int ret;
- mode = (mode & ~O_NDELAY) | O_NONBLOCK;
- ret = fcntl(PerlIO_fileno(f),F_SETFL,mode);
- if(ret < 0)
- RETVAL = ret;
- }
- else
- if ((mode & O_NDELAY) || ((block > 0) && (mode & O_NONBLOCK))) {
- int ret;
- mode &= ~(O_NONBLOCK | O_NDELAY);
- ret = fcntl(PerlIO_fileno(f),F_SETFL,mode);
- if(ret < 0)
- RETVAL = ret;
- }
+ if (block == 0) {
+ newmode &= ~O_NDELAY;
+ newmode |= O_NONBLOCK;
+ } else if (block > 0) {
+ newmode &= ~(O_NDELAY|O_NONBLOCK);
}
#else
- /* Standard POSIX */
- RETVAL = RETVAL & O_NONBLOCK ? 0 : 1;
-
- if ((block == 0) && !(mode & O_NONBLOCK)) {
- int ret;
- mode |= O_NONBLOCK;
- ret = fcntl(PerlIO_fileno(f),F_SETFL,mode);
- if(ret < 0)
- RETVAL = ret;
- }
- else if ((block > 0) && (mode & O_NONBLOCK)) {
- int ret;
- mode &= ~O_NONBLOCK;
- ret = fcntl(PerlIO_fileno(f),F_SETFL,mode);
- if(ret < 0)
- RETVAL = ret;
- }
-#endif
-#else
/* Not POSIX - better have O_NDELAY or we can't cope.
* for BSD-ish machines this is an acceptable alternative
* for SysV we can't tell "would block" from EOF but that is
*/
RETVAL = RETVAL & O_NDELAY ? 0 : 1;
- if ((block == 0) && !(mode & O_NDELAY)) {
- int ret;
- mode |= O_NDELAY;
- ret = fcntl(PerlIO_fileno(f),F_SETFL,mode);
- if(ret < 0)
- RETVAL = ret;
- }
- else if ((block > 0) && (mode & O_NDELAY)) {
- int ret;
- mode &= ~O_NDELAY;
- ret = fcntl(PerlIO_fileno(f),F_SETFL,mode);
- if(ret < 0)
- RETVAL = ret;
- }
+ if (block == 0) {
+ newmode |= O_NDELAY;
+ } else if (block > 0) {
+ newmode &= ~O_NDELAY;
+ }
#endif
+ if (newmode != mode) {
+ const int ret = fcntl(PerlIO_fileno(f),F_SETFL,newmode);
+ if (ret < 0)
+ RETVAL = ret;
+ }
}
return RETVAL;
#else
- return -1;
+ return -1;
#endif
}
void
new_tmpfile(packname = "IO::File")
- char * packname
+ const char * packname
PREINIT:
OutputStream fp;
GV *gv;
PPCODE:
{
#ifdef HAS_POLL
- int nfd = (items - 1) / 2;
+ const int nfd = (items - 1) / 2;
SV *tmpsv = NEWSV(999,nfd * sizeof(struct pollfd));
struct pollfd *fds = (struct pollfd *)SvPVX(tmpsv);
int i,j,ret;
for(i=1, j=0 ; j < nfd ; j++) {
fds[j].fd = SvIV(ST(i));
i++;
- fds[j].events = SvIV(ST(i));
+ fds[j].events = (short)SvIV(ST(i));
i++;
fds[j].revents = 0;
}
PROTOTYPE: $;$
CODE:
{
- int ret = io_blocking(handle, items == 1 ? -1 : blk ? 1 : 0);
+ const int ret = io_blocking(aTHX_ handle, items == 1 ? -1 : blk ? 1 : 0);
if(ret >= 0)
XSRETURN_IV(ret);
else
RETVAL
void
-setbuf(handle, buf)
+setbuf(handle, ...)
OutputStream handle
- char * buf = SvPOK(ST(1)) ? sv_grow(ST(1), BUFSIZ) : 0;
CODE:
if (handle)
#ifdef PERLIO_IS_STDIO
+ {
+ char *buf = items == 2 && SvPOK(ST(1)) ?
+ sv_grow(ST(1), BUFSIZ) : 0;
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
+setvbuf(...)
CODE:
+ if (items != 4)
+ Perl_croak(aTHX_ "Usage: IO::Handle::setvbuf(handle, buf, type, size)");
#if defined(PERLIO_IS_STDIO) && defined(_IOFBF) && defined(HAS_SETVBUF)
+ {
+ OutputStream handle = 0;
+ char * buf = SvPOK(ST(1)) ? sv_grow(ST(1), SvIV(ST(3))) : 0;
+ int type;
+ int size;
+
+ if (items == 4) {
+ handle = IoOFP(sv_2io(ST(0)));
+ buf = SvPOK(ST(1)) ? sv_grow(ST(1), SvIV(ST(3))) : 0;
+ type = (int)SvIV(ST(2));
+ size = (int)SvIV(ST(3));
+ }
if (!handle) /* Try input stream. */
handle = IoIFP(sv_2io(ST(0)));
- if (handle)
+ if (items == 4 && handle)
RETVAL = setvbuf(handle, buf, type, size);
else {
RETVAL = -1;
errno = EINVAL;
}
+ }
#else
RETVAL = (SysRet) not_here("IO::Handle::setvbuf");
#endif
InputStream sock
PROTOTYPE: $
PREINIT:
- int fd,flag,result;
+ int fd;
CODE:
{
fd = PerlIO_fileno(sock);
#ifdef HAS_SOCKATMARK
- flag = sockatmark(fd);
+ RETVAL = sockatmark(fd);
#else
+ {
+ int flag = 0;
# ifdef SIOCATMARK
- if (ioctl(fd, SIOCATMARK, &flag) != 0)
- XSRETURN_UNDEF;
+# if defined(NETWARE) || defined(WIN32)
+ if (ioctl(fd, SIOCATMARK, (void*)&flag) != 0)
+# else
+ if (ioctl(fd, SIOCATMARK, &flag) != 0)
+# endif
+ XSRETURN_UNDEF;
# else
- not_here("IO::Socket::atmark");
-# endif
- RETVAL = flag;
+ not_here("IO::Socket::atmark");
+# endif
+ RETVAL = flag;
+ }
#endif
}
OUTPUT:
projects / p5sagit/p5-mst-13.2.git / blobdiff