/*
- * perlio.c Copyright (c) 1996-2005, Nick Ing-Simmons You may distribute
+ * perlio.c Copyright (c) 1996-2006, Nick Ing-Simmons You may distribute
* under the terms of either the GNU General Public License or the
* Artistic License, as specified in the README file.
*/
#include "XSUB.h"
-#define PERLIO_MAX_REFCOUNTABLE_FD 2048
-
#ifdef __Lynx__
/* Missing proto on LynxOS */
int mkstemp(char*);
void
PerlIO_init(pTHX)
{
+ PERL_UNUSED_CONTEXT;
/*
* Does nothing (yet) except force this file to be included in perl
* binary. That allows this file to force inclusion of other functions
void
PerlIO_init(pTHX)
{
+ PERL_UNUSED_CONTEXT;
/*
* Force this file to be included in perl binary. Which allows this
* file to force inclusion of other functions that may be required by
PerlIO *
PerlIO_allocate(pTHX)
{
+ dVAR;
/*
* Find a free slot in the table, allocating new table as necessary
*/
PerlIO_list_alloc(pTHX)
{
PerlIO_list_t *list;
+ PERL_UNUSED_CONTEXT;
Newxz(list, 1, PerlIO_list_t);
list->refcnt = 1;
return list;
void
PerlIO_list_push(pTHX_ PerlIO_list_t *list, PerlIO_funcs *funcs, SV *arg)
{
+ dVAR;
PerlIO_pair_t *p;
+ PERL_UNUSED_CONTEXT;
+
if (list->cur >= list->len) {
list->len += 8;
if (list->array)
p = &(list->array[list->cur++]);
p->funcs = funcs;
if ((p->arg = arg)) {
- (void)SvREFCNT_inc(arg);
+ SvREFCNT_inc_simple_void_NN(arg);
}
}
PerlIO_list_t *
PerlIO_clone_list(pTHX_ PerlIO_list_t *proto, CLONE_PARAMS *param)
{
- PerlIO_list_t *list = (PerlIO_list_t *) NULL;
+ PerlIO_list_t *list = NULL;
if (proto) {
int i;
list = PerlIO_list_alloc(aTHX);
for (i=0; i < proto->cur; i++) {
- SV *arg = Nullsv;
+ SV *arg = NULL;
if (proto->array[i].arg)
arg = PerlIO_sv_dup(aTHX_ proto->array[i].arg,param);
PerlIO_list_push(aTHX_ list, proto->array[i].funcs, arg);
void
PerlIO_destruct(pTHX)
{
+ dVAR;
PerlIO **table = &PL_perlio;
PerlIO *f;
#ifdef USE_ITHREADS
AV *
PerlIO_get_layers(pTHX_ PerlIO *f)
{
+ dVAR;
AV * const av = newAV();
if (PerlIOValid(f)) {
SAVEINT(PL_in_load_module);
if (cv) {
SAVEGENERICSV(PL_warnhook);
- (void)SvREFCNT_inc(cv);
- PL_warnhook = (SV *) cv;
+ PL_warnhook = (SV *) (SvREFCNT_inc_simple_NN(cv));
}
PL_in_load_module++;
/*
* The two SVs are magically freed by load_module
*/
- Perl_load_module(aTHX_ 0, pkgsv, Nullsv, layer, Nullsv);
+ Perl_load_module(aTHX_ 0, pkgsv, NULL, layer, NULL);
PL_in_load_module--;
LEAVE;
return PerlIO_find_layer(aTHX_ name, len, 0);
const char * const name = SvPV_const(ST(i), len);
SV * const layer = PerlIO_find_layer(aTHX_ name, len, 1);
if (layer) {
- av_push(av, SvREFCNT_inc(layer));
+ av_push(av, SvREFCNT_inc_simple_NN(layer));
}
else {
ST(count) = ST(i);
SV *
PerlIO_tab_sv(pTHX_ PerlIO_funcs *tab)
{
- HV * const stash = gv_stashpvn(STR_WITH_LEN("PerlIO::Layer"), TRUE);
+ HV * const stash = gv_stashpvs("PerlIO::Layer", TRUE);
SV * const sv = sv_bless(newRV_noinc(newSViv(PTR2IV(tab))), stash);
return sv;
}
/* This is used as a %SIG{__WARN__} handler to supress warnings
during loading of layers.
*/
+ dVAR;
dXSARGS;
if (items)
PerlIO_debug("warning:%s\n",SvPV_nolen_const(ST(0)));
XS(XS_PerlIO__Layer__find)
{
+ dVAR;
dXSARGS;
if (items < 2)
Perl_croak(aTHX_ "Usage class->find(name[,load])");
void
PerlIO_define_layer(pTHX_ PerlIO_funcs *tab)
{
+ dVAR;
if (!PL_known_layers)
PL_known_layers = PerlIO_list_alloc(aTHX);
- PerlIO_list_push(aTHX_ PL_known_layers, tab, Nullsv);
+ PerlIO_list_push(aTHX_ PL_known_layers, tab, NULL);
PerlIO_debug("define %s %p\n", tab->name, (void*)tab);
}
int
PerlIO_parse_layers(pTHX_ PerlIO_list_t *av, const char *names)
{
+ dVAR;
if (names) {
const char *s = names;
while (*s) {
if (*s) {
STRLEN llen = 0;
const char *e = s;
- const char *as = Nullch;
+ const char *as = NULL;
STRLEN alen = 0;
if (!isIDFIRST(*s)) {
/*
void
PerlIO_default_buffer(pTHX_ PerlIO_list_t *av)
{
+ dVAR;
PERLIO_FUNCS_DECL(*tab) = &PerlIO_perlio;
#ifdef PERLIO_USING_CRLF
tab = &PerlIO_crlf;
PerlIO_list_t *
PerlIO_default_layers(pTHX)
{
+ dVAR;
if (!PL_def_layerlist) {
- const char * const s = (PL_tainting) ? Nullch : PerlEnv_getenv("PERLIO");
+ const char * const s = (PL_tainting) ? NULL : PerlEnv_getenv("PERLIO");
PERLIO_FUNCS_DECL(*osLayer) = &PerlIO_unix;
PL_def_layerlist = PerlIO_list_alloc(aTHX);
PerlIO_define_layer(aTHX_ PERLIO_FUNCS_CAST(&PerlIO_unix));
PerlIO_funcs *
PerlIO_default_layer(pTHX_ I32 n)
{
+ dVAR;
PerlIO_list_t * const av = PerlIO_default_layers(aTHX);
if (n < 0)
n += av->cur;
void
PerlIO_stdstreams(pTHX)
{
+ dVAR;
if (!PL_perlio) {
PerlIO_allocate(aTHX);
PerlIO_fdopen(0, "Ir" PERLIO_STDTEXT);
/* Legacy binmode is now _defined_ as being equivalent to pushing :raw
So code that used to be here is now in PerlIORaw_pushed().
*/
- return PerlIO_push(aTHX_ f, PERLIO_FUNCS_CAST(&PerlIO_raw), Nullch, Nullsv) ? TRUE : FALSE;
+ return PerlIO_push(aTHX_ f, PERLIO_FUNCS_CAST(&PerlIO_raw), NULL, NULL) ? TRUE : FALSE;
}
}
int
Perl_PerlIO_fileno(pTHX_ PerlIO *f)
{
+ dVAR;
Perl_PerlIO_or_Base(f, Fileno, fileno, -1, (aTHX_ f));
}
static const char *
PerlIO_context_layers(pTHX_ const char *mode)
{
+ dVAR;
const char *type = NULL;
/*
* Need to supply default layer info from open.pm
static PerlIO_funcs *
PerlIO_layer_from_ref(pTHX_ SV *sv)
{
+ dVAR;
/*
* For any scalar type load the handler which is bundled with perl
*/
PerlIO_resolve_layers(pTHX_ const char *layers,
const char *mode, int narg, SV **args)
{
+ dVAR;
PerlIO_list_t *def = PerlIO_default_layers(aTHX);
int incdef = 1;
if (!PL_perlio)
}
else {
PerlIO_list_free(aTHX_ av);
- return (PerlIO_list_t *) NULL;
+ return NULL;
}
}
else {
PerlIO_openn(pTHX_ const char *layers, const char *mode, int fd,
int imode, int perm, PerlIO *f, int narg, SV **args)
{
+ dVAR;
if (!f && narg == 1 && *args == &PL_sv_undef) {
if ((f = PerlIO_tmpfile())) {
if (!layers || !*layers)
int
Perl_PerlIO_flush(pTHX_ PerlIO *f)
{
+ dVAR;
if (f) {
if (*f) {
const PerlIO_funcs *tab = PerlIOBase(f)->tab;
void
PerlIOBase_flush_linebuf(pTHX)
{
+ dVAR;
PerlIO **table = &PL_perlio;
PerlIO *f;
while ((f = *table)) {
IV
PerlIOUtf8_pushed(pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab)
{
+ PERL_UNUSED_CONTEXT;
PERL_UNUSED_ARG(mode);
PERL_UNUSED_ARG(arg);
if (PerlIOValid(f)) {
PerlIOBase_pushed(pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab)
{
PerlIOl * const l = PerlIOBase(f);
+ PERL_UNUSED_CONTEXT;
PERL_UNUSED_ARG(arg);
l->flags &= ~(PERLIO_F_CANREAD | PERLIO_F_CANWRITE |
IV
PerlIOBase_popped(pTHX_ PerlIO *f)
{
+ PERL_UNUSED_CONTEXT;
PERL_UNUSED_ARG(f);
return 0;
}
* Save the position as current head considers it
*/
const Off_t old = PerlIO_tell(f);
- PerlIO_push(aTHX_ f, PERLIO_FUNCS_CAST(&PerlIO_pending), "r", Nullsv);
+ PerlIO_push(aTHX_ f, PERLIO_FUNCS_CAST(&PerlIO_pending), "r", NULL);
PerlIOSelf(f, PerlIOBuf)->posn = old;
return PerlIOBuf_unread(aTHX_ f, vbuf, count);
}
IV
PerlIOBase_noop_ok(pTHX_ PerlIO *f)
{
+ PERL_UNUSED_CONTEXT;
PERL_UNUSED_ARG(f);
return 0;
}
IV
PerlIOBase_noop_fail(pTHX_ PerlIO *f)
{
+ PERL_UNUSED_CONTEXT;
PERL_UNUSED_ARG(f);
return -1;
}
IV
PerlIOBase_eof(pTHX_ PerlIO *f)
{
+ PERL_UNUSED_CONTEXT;
if (PerlIOValid(f)) {
return (PerlIOBase(f)->flags & PERLIO_F_EOF) != 0;
}
IV
PerlIOBase_error(pTHX_ PerlIO *f)
{
+ PERL_UNUSED_CONTEXT;
if (PerlIOValid(f)) {
return (PerlIOBase(f)->flags & PERLIO_F_ERROR) != 0;
}
void
PerlIOBase_setlinebuf(pTHX_ PerlIO *f)
{
+ PERL_UNUSED_CONTEXT;
if (PerlIOValid(f)) {
PerlIOBase(f)->flags |= PERLIO_F_LINEBUF;
}
PerlIO_sv_dup(pTHX_ SV *arg, CLONE_PARAMS *param)
{
if (!arg)
- return Nullsv;
+ return NULL;
#ifdef sv_dup
if (param) {
return sv_dup(arg, param);
if (self->Getarg)
arg = (*self->Getarg)(aTHX_ o, param, flags);
else {
- arg = Nullsv;
+ arg = NULL;
}
f = PerlIO_push(aTHX_ f, self, PerlIO_modestr(o,buf), arg);
if (arg) {
/* PL_perlio_fd_refcnt[] is in intrpvar.h */
+/* Must be called with PerlIO_mutex locked. */
+static void
+S_more_refcounted_fds(pTHX_ const int new_fd) {
+ const int old_max = PL_perlio_fd_refcnt_size;
+ const int new_max = 16 + (new_fd & ~15);
+ int *new_array;
+
+ PerlIO_debug("More fds - old=%d, need %d, new=%d\n",
+ old_max, new_fd, new_max);
+
+ if (new_fd < old_max) {
+ return;
+ }
+
+ assert (new_max > new_fd);
+
+ new_array
+ = PerlMemShared_realloc(PL_perlio_fd_refcnt, new_max * sizeof(int));
+
+ if (!new_array) {
+#ifdef USE_THREADS
+ MUTEX_UNLOCK(&PerlIO_mutex);
+#endif
+ /* Can't use PerlIO to write as it allocates memory */
+ PerlLIO_write(PerlIO_fileno(Perl_error_log),
+ PL_no_mem, strlen(PL_no_mem));
+ my_exit(1);
+ }
+
+ PL_perlio_fd_refcnt_size = new_max;
+ PL_perlio_fd_refcnt = new_array;
+
+ PerlIO_debug("Zeroing %p, %d\n", new_array + old_max, new_max - old_max);
+
+ Zero(new_array + old_max, new_max - old_max, int);
+}
+
+
void
PerlIO_init(pTHX)
{
/* Place holder for stdstreams call ??? */
#ifdef USE_THREADS
MUTEX_INIT(&PerlIO_mutex);
+#else
+ PERL_UNUSED_CONTEXT;
#endif
}
PerlIOUnix_refcnt_inc(int fd)
{
dTHX;
- if (fd >= 0 && fd < PERLIO_MAX_REFCOUNTABLE_FD) {
+ if (fd >= 0) {
+ dVAR;
+
#ifdef USE_THREADS
MUTEX_LOCK(&PerlIO_mutex);
#endif
+ if (fd >= PL_perlio_fd_refcnt_size)
+ S_more_refcounted_fds(aTHX_ fd);
+
PL_perlio_fd_refcnt[fd]++;
PerlIO_debug("fd %d refcnt=%d\n",fd,PL_perlio_fd_refcnt[fd]);
+
#ifdef USE_THREADS
MUTEX_UNLOCK(&PerlIO_mutex);
#endif
{
dTHX;
int cnt = 0;
- if (fd >= 0 && fd < PERLIO_MAX_REFCOUNTABLE_FD) {
+ if (fd >= 0) {
+ dVAR;
#ifdef USE_THREADS
MUTEX_LOCK(&PerlIO_mutex);
#endif
+ /* XXX should this be a panic? */
+ if (fd >= PL_perlio_fd_refcnt_size)
+ S_more_refcounted_fds(aTHX_ fd);
+
+ /* XXX should this be a panic if it drops below 0? */
cnt = --PL_perlio_fd_refcnt[fd];
PerlIO_debug("fd %d refcnt=%d\n",fd,cnt);
#ifdef USE_THREADS
void
PerlIO_cleanup(pTHX)
{
+ dVAR;
int i;
#ifdef USE_ITHREADS
PerlIO_debug("Cleanup layers for %p\n",aTHX);
IV
PerlIOUnix_fileno(pTHX_ PerlIO *f)
{
+ PERL_UNUSED_CONTEXT;
return PerlIOSelf(f, PerlIOUnix)->fd;
}
s->fd = fd;
s->oflags = imode;
PerlIOUnix_refcnt_inc(fd);
+ PERL_UNUSED_CONTEXT;
}
IV
{
const int fd = PerlIOSelf(f, PerlIOUnix)->fd;
Off_t new_loc;
+ PERL_UNUSED_CONTEXT;
if (PerlIOBase(f)->flags & PERLIO_F_NOTREG) {
#ifdef ESPIPE
SETERRNO(ESPIPE, LIB_INVARG);
}
else {
if (f) {
+ /*EMPTY*/;
/*
* FIXME: pop layers ???
*/
if (flags & PERLIO_DUP_FD) {
fd = PerlLIO_dup(fd);
}
- if (fd >= 0 && fd < PERLIO_MAX_REFCOUNTABLE_FD) {
+ if (fd >= 0) {
f = PerlIOBase_dup(aTHX_ f, o, param, flags);
if (f) {
/* If all went well overwrite fd in dup'ed lay with the dup()'ed fd */
SSize_t
PerlIOUnix_read(pTHX_ PerlIO *f, void *vbuf, Size_t count)
{
+ dVAR;
const int fd = PerlIOSelf(f, PerlIOUnix)->fd;
#ifdef PERLIO_STD_SPECIAL
if (fd == 0)
SSize_t
PerlIOUnix_write(pTHX_ PerlIO *f, const void *vbuf, Size_t count)
{
+ dVAR;
const int fd = PerlIOSelf(f, PerlIOUnix)->fd;
#ifdef PERLIO_STD_SPECIAL
if (fd == 1 || fd == 2)
Off_t
PerlIOUnix_tell(pTHX_ PerlIO *f)
{
+ PERL_UNUSED_CONTEXT;
+
return PerlLIO_lseek(PerlIOSelf(f, PerlIOUnix)->fd, 0, SEEK_CUR);
}
IV
PerlIOUnix_close(pTHX_ PerlIO *f)
{
+ dVAR;
const int fd = PerlIOSelf(f, PerlIOUnix)->fd;
int code = 0;
if (PerlIOBase(f)->flags & PERLIO_F_OPEN) {
IV
PerlIOStdio_fileno(pTHX_ PerlIO *f)
{
+ PERL_UNUSED_CONTEXT;
+
if (PerlIOValid(f)) {
FILE * const s = PerlIOSelf(f, PerlIOStdio)->stdio;
if (s)
}
fclose(f2);
}
- if ((f = PerlIO_push(aTHX_(f = PerlIO_allocate(aTHX)), PERLIO_FUNCS_CAST(&PerlIO_stdio), mode, Nullsv))) {
+ if ((f = PerlIO_push(aTHX_(f = PerlIO_allocate(aTHX)), PERLIO_FUNCS_CAST(&PerlIO_stdio), mode, NULL))) {
s = PerlIOSelf(f, PerlIOStdio);
s->stdio = stdio;
}
#endif
stdio = PerlSIO_fopen(path, mode);
if (stdio) {
- PerlIOStdio *s;
if (!f) {
f = PerlIO_allocate(aTHX);
}
mode = PerlIOStdio_mode(mode, tmode);
f = PerlIO_push(aTHX_ f, self, mode, PerlIOArg);
if (f) {
- s = PerlIOSelf(f, PerlIOStdio);
- s->stdio = stdio;
- PerlIOUnix_refcnt_inc(fileno(s->stdio));
+ PerlIOSelf(f, PerlIOStdio)->stdio = stdio;
+ PerlIOUnix_refcnt_inc(fileno(stdio));
+ } else {
+ PerlSIO_fclose(stdio);
}
return f;
}
goto set_this;
}
else {
+ /*EMPTY*/;
/* FIXME: To avoid messy error recovery if dup fails
re-use the existing stdio as though flag was not set
*/
static int
PerlIOStdio_invalidate_fileno(pTHX_ FILE *f)
{
+ PERL_UNUSED_CONTEXT;
+
/* XXX this could use PerlIO_canset_fileno() and
* PerlIO_set_fileno() support from Configure
*/
f->_fileno = -1;
return 1;
# elif defined(__sun__)
-# if defined(_LP64)
- /* On solaris, if _LP64 is defined, the FILE structure is this:
- *
- * struct FILE {
- * long __pad[16];
- * };
- *
- * It turns out that the fd is stored in the top 32 bits of
- * file->__pad[4]. The lower 32 bits contain flags. file->pad[5] appears
- * to contain a pointer or offset into another structure. All the
- * remaining fields are zero.
- *
- * We set the top bits to -1 (0xFFFFFFFF).
- */
- f->__pad[4] |= 0xffffffff00000000L;
- assert(fileno(f) == 0xffffffff);
-# else /* !defined(_LP64) */
- /* _file is just a unsigned char :-(
- Not clear why we dup() rather than using -1
- even if that would be treated as 0xFF - so will
- a dup fail ...
- */
- f->_file = PerlLIO_dup(fileno(f));
-# endif /* defined(_LP64) */
- return 1;
+ return 0;
# elif defined(__hpux)
f->__fileH = 0xff;
f->__fileL = 0xff;
}
else {
const int fd = fileno(stdio);
- int socksfd = 0;
int invalidate = 0;
IV result = 0;
int saveerr = 0;
*/
int optval;
Sock_size_t optlen = sizeof(int);
- if (getsockopt(fd, SOL_SOCKET, SO_TYPE, (void *) &optval, &optlen) == 0) {
- socksfd = 1;
+ if (getsockopt(fd, SOL_SOCKET, SO_TYPE, (void *) &optval, &optlen) == 0)
invalidate = 1;
- }
#endif
- if (PerlIOUnix_refcnt_dec(fd) > 0) {
- /* File descriptor still in use */
+ if (PerlIOUnix_refcnt_dec(fd) > 0) /* File descriptor still in use */
invalidate = 1;
- socksfd = 0;
- }
if (invalidate) {
- /* For STD* handles don't close the stdio at all
- this is because we have shared the FILE * too
- */
- if (stdio == stdin) {
- /* Some stdios are buggy fflush-ing inputs */
- return 0;
- }
- else if (stdio == stdout || stdio == stderr) {
- return PerlIO_flush(f);
- }
+ /* For STD* handles, don't close stdio, since we shared the FILE *, too. */
+ if (stdio == stdin) /* Some stdios are buggy fflush-ing inputs */
+ return 0;
+ if (stdio == stdout || stdio == stderr)
+ return PerlIO_flush(f);
/* Tricky - must fclose(stdio) to free memory but not close(fd)
Use Sarathy's trick from maint-5.6 to invalidate the
fileno slot of the FILE *
*/
result = PerlIO_flush(f);
saveerr = errno;
- if (!(invalidate = PerlIOStdio_invalidate_fileno(aTHX_ stdio))) {
- dupfd = PerlLIO_dup(fd);
- }
+ invalidate = PerlIOStdio_invalidate_fileno(aTHX_ stdio);
+ if (!invalidate)
+ dupfd = PerlLIO_dup(fd);
}
result = PerlSIO_fclose(stdio);
/* We treat error from stdio as success if we invalidated
errno = saveerr;
result = 0;
}
- if (socksfd) {
- /* in SOCKS case let close() determine return value */
- result = close(fd);
- }
+#ifdef SOCKS5_VERSION_NAME
+ /* in SOCKS' case, let close() determine return value */
+ result = close(fd);
+#endif
if (dupfd) {
PerlLIO_dup2(dupfd,fd);
PerlLIO_close(dupfd);
SSize_t
PerlIOStdio_read(pTHX_ PerlIO *f, void *vbuf, Size_t count)
{
+ dVAR;
FILE * const s = PerlIOSelf(f, PerlIOStdio)->stdio;
SSize_t got = 0;
for (;;) {
SSize_t
PerlIOStdio_write(pTHX_ PerlIO *f, const void *vbuf, Size_t count)
{
+ dVAR;
SSize_t got;
for (;;) {
got = PerlSIO_fwrite(vbuf, 1, count,
PerlIOStdio_seek(pTHX_ PerlIO *f, Off_t offset, int whence)
{
FILE * const stdio = PerlIOSelf(f, PerlIOStdio)->stdio;
+ PERL_UNUSED_CONTEXT;
+
return PerlSIO_fseek(stdio, offset, whence);
}
PerlIOStdio_tell(pTHX_ PerlIO *f)
{
FILE * const stdio = PerlIOSelf(f, PerlIOStdio)->stdio;
+ PERL_UNUSED_CONTEXT;
+
return PerlSIO_ftell(stdio);
}
PerlIOStdio_flush(pTHX_ PerlIO *f)
{
FILE * const stdio = PerlIOSelf(f, PerlIOStdio)->stdio;
+ PERL_UNUSED_CONTEXT;
+
if (PerlIOBase(f)->flags & PERLIO_F_CANWRITE) {
return PerlSIO_fflush(stdio);
}
else {
+ /*EMPTY*/;
#if 0
/*
* FIXME: This discards ungetc() and pre-read stuff which is not
IV
PerlIOStdio_eof(pTHX_ PerlIO *f)
{
+ PERL_UNUSED_CONTEXT;
+
return PerlSIO_feof(PerlIOSelf(f, PerlIOStdio)->stdio);
}
IV
PerlIOStdio_error(pTHX_ PerlIO *f)
{
+ PERL_UNUSED_CONTEXT;
+
return PerlSIO_ferror(PerlIOSelf(f, PerlIOStdio)->stdio);
}
void
PerlIOStdio_clearerr(pTHX_ PerlIO *f)
{
+ PERL_UNUSED_CONTEXT;
+
PerlSIO_clearerr(PerlIOSelf(f, PerlIOStdio)->stdio);
}
void
PerlIOStdio_setlinebuf(pTHX_ PerlIO *f)
{
+ PERL_UNUSED_CONTEXT;
+
#ifdef HAS_SETLINEBUF
PerlSIO_setlinebuf(PerlIOSelf(f, PerlIOStdio)->stdio);
#else
- PerlSIO_setvbuf(PerlIOSelf(f, PerlIOStdio)->stdio, Nullch, _IOLBF, 0);
+ PerlSIO_setvbuf(PerlIOSelf(f, PerlIOStdio)->stdio, NULL, _IOLBF, 0);
#endif
}
{
FILE * const stdio = PerlIOSelf(f, PerlIOStdio)->stdio;
int c;
+ PERL_UNUSED_CONTEXT;
+
/*
* fflush()ing read-only streams can cause trouble on some stdio-s
*/
PerlIO *f2;
/* De-link any lower layers so new :stdio sticks */
*f = NULL;
- if ((f2 = PerlIO_push(aTHX_ f, PERLIO_FUNCS_CAST(&PerlIO_stdio), buf, Nullsv))) {
+ if ((f2 = PerlIO_push(aTHX_ f, PERLIO_FUNCS_CAST(&PerlIO_stdio), buf, NULL))) {
PerlIOStdio *s = PerlIOSelf((f = f2), PerlIOStdio);
s->stdio = stdio;
/* Link previous lower layers under new one */
l = *PerlIONext(&l);
}
/* Uses fallback "mode" via PerlIO_modestr() in PerlIO_exportFILE */
- return PerlIO_exportFILE(f, Nullch);
+ return PerlIO_exportFILE(f, NULL);
}
/* Use this to reverse PerlIO_exportFILE calls. */
#ifdef PERLIO_USING_CRLF
# ifdef PERLIO_IS_BINMODE_FD
if (PERLIO_IS_BINMODE_FD(fd))
- PerlIO_binmode(aTHX_ f, '<'/*not used*/, O_BINARY, Nullch);
+ PerlIO_binmode(aTHX_ f, '<'/*not used*/, O_BINARY, NULL);
else
# endif
/*
if (!b->buf)
PerlIO_get_base(f); /* allocate via vtable */
+ assert(b->buf); /* The b->buf does get allocated via the vtable system. */
+
b->ptr = b->end = b->buf;
if (!PerlIOValid(n)) {
PerlIOBuf_get_base(pTHX_ PerlIO *f)
{
PerlIOBuf * const b = PerlIOSelf(f, PerlIOBuf);
+ PERL_UNUSED_CONTEXT;
+
if (!b->buf) {
if (!b->bufsiz)
b->bufsiz = 4096;
ptr -= cnt;
}
else {
+ /*EMPTY*/;
#if 0
/*
* Test code - delete when it works ...
PerlIO *
Perl_PerlIO_stdin(pTHX)
{
+ dVAR;
if (!PL_perlio) {
PerlIO_stdstreams(aTHX);
}
PerlIO *
Perl_PerlIO_stdout(pTHX)
{
+ dVAR;
if (!PL_perlio) {
PerlIO_stdstreams(aTHX);
}
PerlIO *
Perl_PerlIO_stderr(pTHX)
{
+ dVAR;
if (!PL_perlio) {
PerlIO_stdstreams(aTHX);
}
PERL_UNUSED_ARG(f);
PERL_UNUSED_ARG(buf);
Perl_croak(aTHX_ "Don't know how to get file name");
- return Nullch;
+ return NULL;
#endif
}
PerlIO_fdopen(int fd, const char *mode)
{
dTHX;
- return PerlIO_openn(aTHX_ Nullch, mode, fd, 0, 0, NULL, 0, NULL);
+ return PerlIO_openn(aTHX_ NULL, mode, fd, 0, 0, NULL, 0, NULL);
}
#undef PerlIO_open
{
dTHX;
SV *name = sv_2mortal(newSVpv(path, 0));
- return PerlIO_openn(aTHX_ Nullch, mode, -1, 0, 0, NULL, 1, &name);
+ return PerlIO_openn(aTHX_ NULL, mode, -1, 0, 0, NULL, 1, &name);
}
#undef Perlio_reopen
{
dTHX;
SV *name = sv_2mortal(newSVpv(path,0));
- return PerlIO_openn(aTHX_ Nullch, mode, -1, 0, 0, f, 1, &name);
+ return PerlIO_openn(aTHX_ NULL, mode, -1, 0, 0, f, 1, &name);
}
#undef PerlIO_getc
if (stdio) {
if ((f = PerlIO_push(aTHX_(PerlIO_allocate(aTHX)),
PERLIO_FUNCS_CAST(&PerlIO_stdio),
- "w+", Nullsv))) {
+ "w+", NULL))) {
PerlIOStdio * const s = PerlIOSelf(f, PerlIOStdio);
if (s)