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_list_alloc(pTHX)
{
PerlIO_list_t *list;
+ PERL_UNUSED_CONTEXT;
Newxz(list, 1, PerlIO_list_t);
list->refcnt = 1;
return list;
{
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);
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);
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);
}
/* 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), NULL, Nullsv) ? TRUE : FALSE;
+ return PerlIO_push(aTHX_ f, PERLIO_FUNCS_CAST(&PerlIO_raw), NULL, NULL) ? TRUE : FALSE;
}
}
}
else {
PerlIO_list_free(aTHX_ av);
- return (PerlIO_list_t *) NULL;
+ return NULL;
}
}
else {
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) {
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);
+ const int new_max = 16 + (new_fd & ~15);
int *new_array;
PerlIO_debug("More fds - old=%d, need %d, new=%d\n",
return;
}
+ assert (new_max > new_fd);
+
new_array
= PerlMemShared_realloc(PL_perlio_fd_refcnt, new_max * sizeof(int));
/* Place holder for stdstreams call ??? */
#ifdef USE_THREADS
MUTEX_INIT(&PerlIO_mutex);
+#else
+ PERL_UNUSED_CONTEXT;
#endif
}
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 ???
*/
Off_t
PerlIOUnix_tell(pTHX_ PerlIO *f)
{
+ PERL_UNUSED_CONTEXT;
+
return PerlLIO_lseek(PerlIOSelf(f, PerlIOUnix)->fd, 0, SEEK_CUR);
}
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;
}
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);
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
{
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 */
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 ...
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)