#endif
-#ifdef PERLIO_IS_STDIO
-
-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
- * that may be required by loadable extensions e.g. for
- * FileHandle::tmpfile
- */
-}
-
-#undef PerlIO_tmpfile
-PerlIO *
-PerlIO_tmpfile(void)
-{
- return tmpfile();
-}
-
-#else /* PERLIO_IS_STDIO */
-
/*======================================================================================*/
/*
* Implement all the PerlIO interface ourselves.
{
va_list ap;
dSYS;
+
+ if (!DEBUG_i_TEST)
+ return;
+
va_start(ap, fmt);
+
if (!PL_perlio_debug_fd) {
if (!TAINTING_get &&
PerlProc_getuid() == PerlProc_geteuid() &&
PL_perlio_debug_fd
= PerlLIO_open3(s, O_WRONLY | O_CREAT | O_APPEND, 0666);
else
- PL_perlio_debug_fd = -1;
+ PL_perlio_debug_fd = PerlLIO_dup(2); /* stderr */
} else {
- /* tainting or set*id, so ignore the environment, and ensure we
- skip these tests next time through. */
- PL_perlio_debug_fd = -1;
+ /* tainting or set*id, so ignore the environment and send the
+ debug output to stderr, like other -D switches. */
+ PL_perlio_debug_fd = PerlLIO_dup(2); /* stderr */
}
}
if (PL_perlio_debug_fd > 0) {
last = (PerlIOl **) (f);
for (i = 1; i < PERLIO_TABLE_SIZE; i++) {
if (!((++f)->next)) {
- f->flags = 0; /* lockcnt */
- f->tab = NULL;
- f->head = f;
- return (PerlIO *)f;
+ goto good_exit;
}
}
}
return NULL;
}
*last = (PerlIOl*) f++;
+
+ good_exit:
f->flags = 0; /* lockcnt */
f->tab = NULL;
f->head = f;
{
if (PerlIOValid(f)) {
const PerlIO_funcs * const tab = PerlIOBase(f)->tab;
- PerlIO_debug("fdupopen f=%p param=%p\n",(void*)f,(void*)param);
+ DEBUG_i( PerlIO_debug("fdupopen f=%p param=%p\n",(void*)f,(void*)param) );
if (tab && tab->Dup)
return (*tab->Dup)(aTHX_ PerlIO_allocate(aTHX), f, param, flags);
else {
PERL_UNUSED_CONTEXT;
if (list->cur >= list->len) {
- list->len += 8;
+ const IV new_len = list->len + 8;
if (list->array)
- Renew(list->array, list->len, PerlIO_pair_t);
+ Renew(list->array, new_len, PerlIO_pair_t);
else
- Newx(list->array, list->len, PerlIO_pair_t);
+ Newx(list->array, new_len, PerlIO_pair_t);
+ list->len = new_len;
}
p = &(list->array[list->cur++]);
p->funcs = funcs;
PL_known_layers = PerlIO_clone_list(aTHX_ proto->Iknown_layers, param);
PL_def_layerlist = PerlIO_clone_list(aTHX_ proto->Idef_layerlist, param);
PerlIO_init_table(aTHX);
- PerlIO_debug("Clone %p from %p\n",(void*)aTHX,(void*)proto);
+ DEBUG_i( PerlIO_debug("Clone %p from %p\n",(void*)aTHX,(void*)proto) );
while ((f = *table)) {
int i;
table = (PerlIOl **) (f++);
PerlIOl **table = &PL_perlio;
PerlIOl *f;
#ifdef USE_ITHREADS
- PerlIO_debug("Destruct %p\n",(void*)aTHX);
+ DEBUG_i( PerlIO_debug("Destruct %p\n",(void*)aTHX) );
#endif
while ((f = *table)) {
int i;
const PerlIOl *l;
while ((l = *x)) {
if (l->tab && l->tab->kind & PERLIO_K_DESTRUCT) {
- PerlIO_debug("Destruct popping %s\n", l->tab->name);
+ DEBUG_i( PerlIO_debug("Destruct popping %s\n", l->tab->name) );
PerlIO_flush(x);
PerlIO_pop(aTHX_ x);
}
const PerlIOl *l = *f;
VERIFY_HEAD(f);
if (l) {
- PerlIO_debug("PerlIO_pop f=%p %s\n", (void*)f,
- l->tab ? l->tab->name : "(Null)");
+ DEBUG_i( PerlIO_debug("PerlIO_pop f=%p %s\n", (void*)f,
+ l->tab ? l->tab->name : "(Null)") );
if (l->tab && l->tab->Popped) {
/*
* If popped returns non-zero do not free its layer structure
PerlIO_funcs * const f = PL_known_layers->array[i].funcs;
const STRLEN this_len = strlen(f->name);
if (this_len == len && memEQ(f->name, name, len)) {
- PerlIO_debug("%.*s => %p\n", (int) len, name, (void*)f);
+ DEBUG_i( PerlIO_debug("%.*s => %p\n", (int) len, name, (void*)f) );
return f;
}
}
return PerlIO_find_layer(aTHX_ name, len, 0);
}
}
- PerlIO_debug("Cannot find %.*s\n", (int) len, name);
+ DEBUG_i( PerlIO_debug("Cannot find %.*s\n", (int) len, name) );
return NULL;
}
XSRETURN(count);
}
-#endif /* USE_ATTIBUTES_FOR_PERLIO */
+#endif /* USE_ATTRIBUTES_FOR_PERLIO */
SV *
PerlIO_tab_sv(pTHX_ PerlIO_funcs *tab)
during loading of layers.
*/
dXSARGS;
- PERL_UNUSED_ARG(cv);
- if (items)
- PerlIO_debug("warning:%s\n",SvPV_nolen_const(ST(0)));
+ PERL_UNUSED_VAR(items);
+ DEBUG_i(
+ if (items)
+ PerlIO_debug("warning:%s\n",SvPV_nolen_const(ST(0))) );
XSRETURN(0);
}
XS(XS_PerlIO__Layer__find)
{
dXSARGS;
- PERL_UNUSED_ARG(cv);
if (items < 2)
Perl_croak(aTHX_ "Usage class->find(name[,load])");
else {
STRLEN len;
const char * const name = SvPV_const(ST(1), len);
- const bool load = (items > 2) ? SvTRUE(ST(2)) : 0;
+ const bool load = (items > 2) ? SvTRUE_NN(ST(2)) : 0;
PerlIO_funcs * const layer = PerlIO_find_layer(aTHX_ name, len, load);
ST(0) =
(layer) ? sv_2mortal(PerlIO_tab_sv(aTHX_ layer)) :
if (!PL_known_layers)
PL_known_layers = PerlIO_list_alloc(aTHX);
PerlIO_list_push(aTHX_ PL_known_layers, tab, NULL);
- PerlIO_debug("define %s %p\n", tab->name, (void*)tab);
+ DEBUG_i( PerlIO_debug("define %s %p\n", tab->name, (void*)tab) );
}
int
if (PerlIO_stdio.Set_ptrcnt)
tab = &PerlIO_stdio;
#endif
- PerlIO_debug("Pushing %s\n", tab->name);
- PerlIO_list_push(aTHX_ av, PerlIO_find_layer(aTHX_ tab->name, 0, 0),
- &PL_sv_undef);
+ DEBUG_i( PerlIO_debug("Pushing %s\n", tab->name) );
+ PerlIO_list_push(aTHX_ av, (PerlIO_funcs *)tab, &PL_sv_undef);
}
SV *
PerlIO_layer_fetch(pTHX_ PerlIO_list_t *av, IV n, PerlIO_funcs *def)
{
if (n >= 0 && n < av->cur) {
- PerlIO_debug("Layer %" IVdf " is %s\n", n,
- av->array[n].funcs->name);
+ DEBUG_i( PerlIO_debug("Layer %" IVdf " is %s\n", n,
+ av->array[n].funcs->name) );
return av->array[n].funcs;
}
if (!def)
PerlIO_define_layer(aTHX_ PERLIO_FUNCS_CAST(&PerlIO_utf8));
PerlIO_define_layer(aTHX_ PERLIO_FUNCS_CAST(&PerlIO_remove));
PerlIO_define_layer(aTHX_ PERLIO_FUNCS_CAST(&PerlIO_byte));
- PerlIO_list_push(aTHX_ PL_def_layerlist,
- PerlIO_find_layer(aTHX_ osLayer->name, 0, 0),
- &PL_sv_undef);
+ PerlIO_list_push(aTHX_ PL_def_layerlist, (PerlIO_funcs *)osLayer,
+ &PL_sv_undef);
if (s) {
PerlIO_parse_layers(aTHX_ PL_def_layerlist, s);
}
VERIFY_HEAD(f);
if (tab->fsize != sizeof(PerlIO_funcs)) {
Perl_croak( aTHX_
- "%s (%"UVuf") does not match %s (%"UVuf")",
+ "%s (%" UVuf ") does not match %s (%" UVuf ")",
"PerlIO layer function table size", (UV)tab->fsize,
"size expected by this perl", (UV)sizeof(PerlIO_funcs) );
}
PerlIOl *l;
if (tab->size < sizeof(PerlIOl)) {
Perl_croak( aTHX_
- "%s (%"UVuf") smaller than %s (%"UVuf")",
+ "%s (%" UVuf ") smaller than %s (%" UVuf ")",
"PerlIO layer instance size", (UV)tab->size,
"size expected by this perl", (UV)sizeof(PerlIOl) );
}
l->tab = (PerlIO_funcs*) tab;
l->head = ((PerlIOl*)f)->head;
*f = l;
- PerlIO_debug("PerlIO_push f=%p %s %s %p\n",
- (void*)f, tab->name,
- (mode) ? mode : "(Null)", (void*)arg);
+ DEBUG_i( PerlIO_debug("PerlIO_push f=%p %s %s %p\n",
+ (void*)f, tab->name,
+ (mode) ? mode : "(Null)", (void*)arg) );
if (*l->tab->Pushed &&
(*l->tab->Pushed)
(aTHX_ f, mode, arg, (PerlIO_funcs*) tab) != 0) {
}
else if (f) {
/* Pseudo-layer where push does its own stack adjust */
- PerlIO_debug("PerlIO_push f=%p %s %s %p\n", (void*)f, tab->name,
- (mode) ? mode : "(Null)", (void*)arg);
+ DEBUG_i( PerlIO_debug("PerlIO_push f=%p %s %s %p\n", (void*)f, tab->name,
+ (mode) ? mode : "(Null)", (void*)arg) );
if (tab->Pushed &&
(*tab->Pushed) (aTHX_ f, mode, arg, (PerlIO_funcs*) tab) != 0) {
return NULL;
}
}
if (PerlIOValid(f)) {
- PerlIO_debug(":raw f=%p :%s\n", (void*)f,
- PerlIOBase(f)->tab ? PerlIOBase(f)->tab->name : "(Null)");
+ DEBUG_i( PerlIO_debug(":raw f=%p :%s\n", (void*)f,
+ PerlIOBase(f)->tab ? PerlIOBase(f)->tab->name : "(Null)") );
return 0;
}
}
int
PerlIO_binmode(pTHX_ PerlIO *f, int iotype, int mode, const char *names)
{
- PerlIO_debug("PerlIO_binmode f=%p %s %c %x %s\n", (void*)f,
- (PerlIOBase(f) && PerlIOBase(f)->tab) ?
- PerlIOBase(f)->tab->name : "(Null)",
- iotype, mode, (names) ? names : "(Null)");
+ PERL_UNUSED_ARG(iotype);
+ PERL_UNUSED_ARG(mode);
+
+ DEBUG_i(
+ PerlIO_debug("PerlIO_binmode f=%p %s %c %x %s\n", (void*)f,
+ (PerlIOBase(f) && PerlIOBase(f)->tab) ?
+ PerlIOBase(f)->tab->name : "(Null)",
+ iotype, mode, (names) ? names : "(Null)") );
if (names) {
/* Do not flush etc. if (e.g.) switching encodings.
(for example :unix which is never going to call them)
it can do the flush when it is pushed.
*/
- return PerlIO_apply_layers(aTHX_ f, NULL, names) == 0 ? TRUE : FALSE;
+ return cBOOL(PerlIO_apply_layers(aTHX_ f, NULL, names) == 0);
}
else {
/* Fake 5.6 legacy of using this call to turn ON O_TEXT */
/* 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, NULL) ? TRUE : FALSE;
+ return cBOOL(PerlIO_push(aTHX_ f, PERLIO_FUNCS_CAST(&PerlIO_raw), NULL, NULL));
}
}
* If it is a reference but not an object see if we have a handler
* for it
*/
- if (SvROK(arg) && !sv_isobject(arg)) {
+ if (SvROK(arg) && !SvOBJECT(SvRV(arg))) {
PerlIO_funcs * const handler = PerlIO_layer_from_ref(aTHX_ SvRV(arg));
if (handler) {
def = PerlIO_list_alloc(aTHX);
if (narg > 1 && !(tab->kind & PERLIO_K_MULTIARG)) {
Perl_croak(aTHX_ "More than one argument to open(,':%s')",tab->name);
}
- PerlIO_debug("openn(%s,'%s','%s',%d,%x,%o,%p,%d,%p)\n",
- tab->name, layers ? layers : "(Null)", mode, fd,
- imode, perm, (void*)f, narg, (void*)args);
+ DEBUG_i( PerlIO_debug("openn(%s,'%s','%s',%d,%x,%o,%p,%d,%p)\n",
+ tab->name, layers ? layers : "(Null)", mode, fd,
+ imode, perm, (void*)f, narg, (void*)args) );
if (tab->Open)
f = (*tab->Open) (aTHX_ tab, layera, n, mode, fd, imode, perm,
f, narg, args);
return 0; /* If no Flush defined, silently succeed. */
}
else {
- PerlIO_debug("Cannot flush f=%p\n", (void*)f);
+ DEBUG_i( PerlIO_debug("Cannot flush f=%p\n", (void*)f) );
SETERRNO(EBADF, SS_IVCHAN);
return -1;
}
SETERRNO(EINVAL, LIB_INVARG);
return -1;
}
+#ifdef EBCDIC
+ {
+ /* The mode variable contains one positional parameter followed by
+ * optional keyword parameters. The positional parameters must be
+ * passed as lowercase characters. The keyword parameters can be
+ * passed in mixed case. They must be separated by commas. Only one
+ * instance of a keyword can be specified. */
+ int comma = 0;
+ while (*mode) {
+ switch (*mode++) {
+ case '+':
+ if(!comma)
+ l->flags |= PERLIO_F_CANREAD | PERLIO_F_CANWRITE;
+ break;
+ case 'b':
+ if(!comma)
+ l->flags &= ~PERLIO_F_CRLF;
+ break;
+ case 't':
+ if(!comma)
+ l->flags |= PERLIO_F_CRLF;
+ break;
+ case ',':
+ comma = 1;
+ break;
+ default:
+ break;
+ }
+ }
+ }
+#else
while (*mode) {
switch (*mode++) {
case '+':
return -1;
}
}
+#endif
}
else {
if (l->next) {
}
}
#if 0
+ DEBUG_i(
PerlIO_debug("PerlIOBase_pushed f=%p %s %s fl=%08" UVxf " (%s)\n",
(void*)f, PerlIOBase(f)->tab->name, (omode) ? omode : "(Null)",
l->flags, PerlIO_modestr(f, temp));
+ );
#endif
return 0;
}
if (!(PerlIOBase(f)->flags & PERLIO_F_CANREAD)) {
PerlIOBase(f)->flags |= PERLIO_F_ERROR;
SETERRNO(EBADF, SS_IVCHAN);
+ PerlIO_save_errno(f);
return 0;
}
while (count > 0) {
SV *arg = NULL;
char buf[8];
assert(self);
- PerlIO_debug("PerlIOBase_dup %s f=%p o=%p param=%p\n",
- self ? self->name : "(Null)",
- (void*)f, (void*)o, (void*)param);
- if (self && self->Getarg)
- arg = (*self->Getarg)(aTHX_ o, param, flags);
+ DEBUG_i(PerlIO_debug("PerlIOBase_dup %s f=%p o=%p param=%p\n",
+ self->name,
+ (void*)f, (void*)o, (void*)param) );
+ if (self->Getarg)
+ arg = (*self->Getarg)(aTHX_ o, param, flags);
f = PerlIO_push(aTHX_ f, self, PerlIO_modestr(o,buf), arg);
if (f && PerlIOBase(o)->flags & PERLIO_F_UTF8)
PerlIOBase(f)->flags |= PERLIO_F_UTF8;
/* Must be called with PL_perlio_mutex locked. */
static void
-S_more_refcounted_fds(pTHX_ const int new_fd) {
+S_more_refcounted_fds(pTHX_ const int new_fd)
+ PERL_TSA_REQUIRES(PL_perlio_mutex)
+{
dVAR;
const int old_max = PL_perlio_fd_refcnt_size;
const int new_max = 16 + (new_fd & ~15);
PERL_UNUSED_CONTEXT;
#endif
- PerlIO_debug("More fds - old=%d, need %d, new=%d\n",
- old_max, new_fd, new_max);
+ DEBUG_i( PerlIO_debug("More fds - old=%d, need %d, new=%d\n",
+ old_max, new_fd, new_max) );
if (new_fd < old_max) {
return;
PL_perlio_fd_refcnt_size = new_max;
PL_perlio_fd_refcnt = new_array;
- PerlIO_debug("Zeroing %p, %d\n",
- (void*)(new_array + old_max),
- new_max - old_max);
+ DEBUG_i( PerlIO_debug("Zeroing %p, %d\n",
+ (void*)(new_array + old_max),
+ new_max - old_max) );
Zero(new_array + old_max, new_max - old_max, int);
}
Perl_croak(aTHX_ "refcnt_inc: fd %d: %d <= 0\n",
fd, PL_perlio_fd_refcnt[fd]);
}
- PerlIO_debug("refcnt_inc: fd %d refcnt=%d\n",
- fd, PL_perlio_fd_refcnt[fd]);
+ DEBUG_i( PerlIO_debug("refcnt_inc: fd %d refcnt=%d\n",
+ fd, PL_perlio_fd_refcnt[fd]) );
#ifdef USE_ITHREADS
MUTEX_UNLOCK(&PL_perlio_mutex);
{
int cnt = 0;
if (fd >= 0) {
+#ifdef DEBUGGING
+ dTHX;
+#else
dVAR;
+#endif
#ifdef USE_ITHREADS
MUTEX_LOCK(&PL_perlio_mutex);
#endif
fd, PL_perlio_fd_refcnt[fd]);
}
cnt = --PL_perlio_fd_refcnt[fd];
- PerlIO_debug("refcnt_dec: fd %d refcnt=%d\n", fd, cnt);
+ DEBUG_i( PerlIO_debug("refcnt_dec: fd %d refcnt=%d\n", fd, cnt) );
#ifdef USE_ITHREADS
MUTEX_UNLOCK(&PL_perlio_mutex);
#endif
{
int i;
#ifdef USE_ITHREADS
- PerlIO_debug("Cleanup layers for %p\n",(void*)aTHX);
+ DEBUG_i( PerlIO_debug("Cleanup layers for %p\n",(void*)aTHX) );
#else
- PerlIO_debug("Cleanup layers\n");
+ DEBUG_i( PerlIO_debug("Cleanup layers\n") );
#endif
/* Raise STDIN..STDERR refcount so we don't close them */
Stat_t st;
if (PerlLIO_fstat(fd, &st) == 0) {
if (!S_ISREG(st.st_mode)) {
- PerlIO_debug("%d is not regular file\n",fd);
+ DEBUG_i( PerlIO_debug("%d is not regular file\n",fd) );
PerlIOBase(f)->flags |= PERLIO_F_NOTREG;
}
else {
- PerlIO_debug("%d _is_ a regular file\n",fd);
+ DEBUG_i( PerlIO_debug("%d _is_ a regular file\n",fd) );
}
}
#endif
if (len < 0) {
if (errno != EAGAIN) {
PerlIOBase(f)->flags |= PERLIO_F_ERROR;
+ PerlIO_save_errno(f);
}
}
else if (len == 0 && count != 0) {
if (PL_sig_pending && S_perlio_async_run(aTHX_ f))
return -1;
}
- /*NOTREACHED*/
+ NOT_REACHED; /*NOTREACHED*/
}
SSize_t
if (len < 0) {
if (errno != EAGAIN) {
PerlIOBase(f)->flags |= PERLIO_F_ERROR;
+ PerlIO_save_errno(f);
}
}
return len;
if (PL_sig_pending && S_perlio_async_run(aTHX_ f))
return -1;
}
- /*NOTREACHED*/
+ NOT_REACHED; /*NOTREACHED*/
}
Off_t
{
dTHX;
PerlIO *f = NULL;
+#ifdef EBCDIC
+ int rc;
+ char filename[FILENAME_MAX];
+ fldata_t fileinfo;
+#endif
if (stdio) {
PerlIOStdio *s;
int fd0 = fileno(stdio);
if (fd0 < 0) {
+#ifdef EBCDIC
+ rc = fldata(stdio,filename,&fileinfo);
+ if(rc != 0){
+ return NULL;
+ }
+ if(fileinfo.__dsorgHFS){
return NULL;
}
+ /*This MVS dataset , OK!*/
+#else
+ return NULL;
+#endif
+ }
if (!mode || !*mode) {
/* We need to probe to see how we can open the stream
so start with read/write and then try write and read
if ((f = PerlIO_push(aTHX_(PerlIO_allocate(aTHX)), PERLIO_FUNCS_CAST(&PerlIO_stdio), mode, NULL))) {
s = PerlIOSelf(f, PerlIOStdio);
s->stdio = stdio;
+#ifdef EBCDIC
+ fd0 = fileno(stdio);
+ if(fd0 != -1){
+ PerlIOUnix_refcnt_inc(fd0);
+ }
+ else{
+ rc = fldata(stdio,filename,&fileinfo);
+ if(rc != 0){
+ PerlIOUnix_refcnt_inc(fd0);
+ }
+ if(fileinfo.__dsorgHFS){
+ PerlIOUnix_refcnt_inc(fd0);
+ }
+ /*This MVS dataset , OK!*/
+ }
+#else
PerlIOUnix_refcnt_inc(fileno(stdio));
+#endif
}
}
return f;
/* XXX this could use PerlIO_canset_fileno() and
* PerlIO_set_fileno() support from Configure
*/
-# if defined(__UCLIBC__)
+# if defined(HAS_FDCLOSE)
+ return fdclose(f, NULL) == 0 ? 1 : 0;
+# elif defined(__UCLIBC__)
/* uClibc must come before glibc because it defines __GLIBC__ as well. */
f->__filedes = -1;
return 1;
structure at all
*/
# else
- f->_file = -1;
+ PERLIO_FILE_file(f) = -1;
# endif
return 1;
# else
return 0;
if (stdio == stdout || stdio == stderr)
return PerlIO_flush(f);
+ }
+#ifdef USE_ITHREADS
+ MUTEX_LOCK(&PL_perlio_mutex);
+ /* Right. We need a mutex here because for a brief while we
+ will have the situation that fd is actually closed. Hence if
+ a second thread were to get into this block, its dup() would
+ likely return our fd as its dupfd. (after all, it is closed)
+ Then if we get to the dup2() first, we blat the fd back
+ (messing up its temporary as a side effect) only for it to
+ then close its dupfd (== our fd) in its close(dupfd) */
+
+ /* There is, of course, a race condition, that any other thread
+ trying to input/output/whatever on this fd will be stuffed
+ for the duration of this little manoeuvrer. Perhaps we
+ should hold an IO mutex for the duration of every IO
+ operation if we know that invalidate doesn't work on this
+ platform, but that would suck, and could kill performance.
+
+ Except that correctness trumps speed.
+ Advice from klortho #11912. */
+#endif
+ if (invalidate) {
/* 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 *
SAVE_ERRNO;
invalidate = PerlIOStdio_invalidate_fileno(aTHX_ stdio);
if (!invalidate) {
-#ifdef USE_ITHREADS
- MUTEX_LOCK(&PL_perlio_mutex);
- /* Right. We need a mutex here because for a brief while we
- will have the situation that fd is actually closed. Hence if
- a second thread were to get into this block, its dup() would
- likely return our fd as its dupfd. (after all, it is closed)
- Then if we get to the dup2() first, we blat the fd back
- (messing up its temporary as a side effect) only for it to
- then close its dupfd (== our fd) in its close(dupfd) */
-
- /* There is, of course, a race condition, that any other thread
- trying to input/output/whatever on this fd will be stuffed
- for the duration of this little manoeuvrer. Perhaps we
- should hold an IO mutex for the duration of every IO
- operation if we know that invalidate doesn't work on this
- platform, but that would suck, and could kill performance.
-
- Except that correctness trumps speed.
- Advice from klortho #11912. */
-#endif
dupfd = PerlLIO_dup(fd);
#ifdef USE_ITHREADS
if (dupfd < 0) {
- MUTEX_UNLOCK(&PL_perlio_mutex);
/* Oh cXap. This isn't going to go well. Not sure if we can
recover from here, or if closing this particular FILE *
is a good idea now. */
if (dupfd >= 0) {
PerlLIO_dup2(dupfd,fd);
PerlLIO_close(dupfd);
+ }
#ifdef USE_ITHREADS
- MUTEX_UNLOCK(&PL_perlio_mutex);
+ MUTEX_UNLOCK(&PL_perlio_mutex);
#endif
- }
return result;
}
}
return -1;
SETERRNO(0,0); /* just in case */
}
+#ifdef __sgi
+ /* Under some circumstances IRIX stdio fgetc() and fread()
+ * set the errno to ENOENT, which makes no sense according
+ * to either IRIX or POSIX. [rt.perl.org #123977] */
+ if (errno == ENOENT) SETERRNO(0,0);
+#endif
return got;
}
PerlIOStdio_get_base(pTHX_ PerlIO *f)
{
FILE * const stdio = PerlIOSelf(f, PerlIOStdio)->stdio;
+ PERL_UNUSED_CONTEXT;
return (STDCHAR*)PerlSIO_get_base(stdio);
}
PerlIOStdio_get_bufsiz(pTHX_ PerlIO *f)
{
FILE * const stdio = PerlIOSelf(f, PerlIOStdio)->stdio;
+ PERL_UNUSED_CONTEXT;
return PerlSIO_get_bufsiz(stdio);
}
#endif
PerlIOStdio_get_ptr(pTHX_ PerlIO *f)
{
FILE * const stdio = PerlIOSelf(f, PerlIOStdio)->stdio;
+ PERL_UNUSED_CONTEXT;
return (STDCHAR*)PerlSIO_get_ptr(stdio);
}
PerlIOStdio_get_cnt(pTHX_ PerlIO *f)
{
FILE * const stdio = PerlIOSelf(f, PerlIOStdio)->stdio;
+ PERL_UNUSED_CONTEXT;
return PerlSIO_get_cnt(stdio);
}
PerlIOStdio_set_ptrcnt(pTHX_ PerlIO *f, STDCHAR * ptr, SSize_t cnt)
{
FILE * const stdio = PerlIOSelf(f, PerlIOStdio)->stdio;
+ PERL_UNUSED_CONTEXT;
if (ptr != NULL) {
#ifdef STDIO_PTR_LVALUE
/* This is a long-standing infamous mess. The root of the
}
else if (count < 0 || PerlIO_error(n)) {
PerlIOBase(f)->flags |= PERLIO_F_ERROR;
+ PerlIO_save_errno(f);
code = -1;
break;
}
if (avail == 0)
PerlIOBase(f)->flags |= PERLIO_F_EOF;
else
+ {
PerlIOBase(f)->flags |= PERLIO_F_ERROR;
+ PerlIO_save_errno(f);
+ }
return -1;
}
b->end = b->buf + avail;
PerlIOBase(f)->flags |= PERLIO_F_CRLF;
code = PerlIOBuf_pushed(aTHX_ f, mode, arg, tab);
#if 0
+ DEBUG_i(
PerlIO_debug("PerlIOCrlf_pushed f=%p %s %s fl=%08" UVxf "\n",
(void*)f, PerlIOBase(f)->tab->name, (mode) ? mode : "(Null)",
PerlIOBase(f)->flags);
+ );
#endif
{
/* If the old top layer is a CRLF layer, reactivate it (if
char tempname[] = "/tmp/PerlIO_XXXXXX";
const char * const tmpdir = TAINTING_get ? NULL : PerlEnv_getenv("TMPDIR");
SV * sv = NULL;
- int old_umask = umask(0600);
+ int old_umask = umask(0177);
/*
* I have no idea how portable mkstemp() is ... NI-S
*/
return f;
}
+void
+Perl_PerlIO_save_errno(pTHX_ PerlIO *f)
+{
+ PERL_UNUSED_CONTEXT;
+ if (!PerlIOValid(f))
+ return;
+ PerlIOBase(f)->err = errno;
+#ifdef VMS
+ PerlIOBase(f)->os_err = vaxc$errno;
+#elif defined(OS2)
+ PerlIOBase(f)->os_err = Perl_rc;
+#elif defined(WIN32)
+ PerlIOBase(f)->os_err = GetLastError();
+#endif
+}
+
+void
+Perl_PerlIO_restore_errno(pTHX_ PerlIO *f)
+{
+ PERL_UNUSED_CONTEXT;
+ if (!PerlIOValid(f))
+ return;
+ SETERRNO(PerlIOBase(f)->err, PerlIOBase(f)->os_err);
+#ifdef OS2
+ Perl_rc = PerlIOBase(f)->os_err);
+#elif defined(WIN32)
+ SetLastError(PerlIOBase(f)->os_err);
+#endif
+}
+
#undef HAS_FSETPOS
#undef HAS_FGETPOS
-#endif /* PERLIO_IS_STDIO */
/*======================================================================================*/
/*
PerlIO_setpos(PerlIO *f, SV *pos)
{
if (SvOK(pos)) {
- STRLEN len;
- dTHX;
- const Off_t * const posn = (Off_t *) SvPV(pos, len);
- if (f && len == sizeof(Off_t))
- return PerlIO_seek(f, *posn, SEEK_SET);
+ if (f) {
+ dTHX;
+ STRLEN len;
+ const Off_t * const posn = (Off_t *) SvPV(pos, len);
+ if(len == sizeof(Off_t))
+ return PerlIO_seek(f, *posn, SEEK_SET);
+ }
}
SETERRNO(EINVAL, SS_IVCHAN);
return -1;
int
PerlIO_setpos(PerlIO *f, SV *pos)
{
- dTHX;
if (SvOK(pos)) {
- STRLEN len;
- Fpos_t * const fpos = (Fpos_t *) SvPV(pos, len);
- if (f && len == sizeof(Fpos_t)) {
+ if (f) {
+ dTHX;
+ STRLEN len;
+ Fpos_t * const fpos = (Fpos_t *) SvPV(pos, len);
+ if(len == sizeof(Fpos_t))
#if defined(USE_64_BIT_STDIO) && defined(USE_FSETPOS64)
- return fsetpos64(f, fpos);
+ return fsetpos64(f, fpos);
#else
- return fsetpos(f, fpos);
+ return fsetpos(f, fpos);
#endif
}
}
#endif
+/* print a failure format string message to stderr and fail exit the process
+ using only libc without depending on any perl data structures being
+ initialized.
+*/
+
+void
+Perl_noperl_die(const char* pat, ...)
+{
+ va_list(arglist);
+ PERL_ARGS_ASSERT_NOPERL_DIE;
+ va_start(arglist, pat);
+ vfprintf(stderr, pat, arglist);
+ va_end(arglist);
+ exit(1);
+}
+
/*
- * Local variables:
- * c-indentation-style: bsd
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * End:
- *
* ex: set ts=8 sts=4 sw=4 et:
*/
https://perl5.git.perl.org / perl5.git / blobdiff