/*
- * 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.
*/
PerlIO *
PerlIO_allocate(pTHX)
{
+ dVAR;
/*
* Find a free slot in the table, allocating new table as necessary
*/
void
PerlIO_list_push(pTHX_ PerlIO_list_t *list, PerlIO_funcs *funcs, SV *arg)
{
+ dVAR;
PerlIO_pair_t *p;
if (list->cur >= list->len) {
list->len += 8;
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)) {
SV *
PerlIO_tab_sv(pTHX_ PerlIO_funcs *tab)
{
- HV * const stash = gv_stashpvn("PerlIO::Layer", 13, 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);
int
PerlIO_parse_layers(pTHX_ PerlIO_list_t *av, const char *names)
{
+ dVAR;
if (names) {
const char *s = names;
while (*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");
PERLIO_FUNCS_DECL(*osLayer) = &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);
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
*/
if (SvTYPE(sv) < SVt_PVAV)
- return PerlIO_find_layer(aTHX_ "scalar", 6, 1);
+ return PerlIO_find_layer(aTHX_ STR_WITH_LEN("scalar"), 1);
/*
* For other types allow if layer is known but don't try and load it
*/
switch (SvTYPE(sv)) {
case SVt_PVAV:
- return PerlIO_find_layer(aTHX_ "Array", 5, 0);
+ return PerlIO_find_layer(aTHX_ STR_WITH_LEN("Array"), 0);
case SVt_PVHV:
- return PerlIO_find_layer(aTHX_ "Hash", 4, 0);
+ return PerlIO_find_layer(aTHX_ STR_WITH_LEN("Hash"), 0);
case SVt_PVCV:
- return PerlIO_find_layer(aTHX_ "Code", 4, 0);
+ return PerlIO_find_layer(aTHX_ STR_WITH_LEN("Code"), 0);
case SVt_PVGV:
- return PerlIO_find_layer(aTHX_ "Glob", 4, 0);
+ return PerlIO_find_layer(aTHX_ STR_WITH_LEN("Glob"), 0);
}
return NULL;
}
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)
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)) {
{
dTHX;
if (fd >= 0 && fd < PERLIO_MAX_REFCOUNTABLE_FD) {
+ dVAR;
#ifdef USE_THREADS
MUTEX_LOCK(&PerlIO_mutex);
#endif
dTHX;
int cnt = 0;
if (fd >= 0 && fd < PERLIO_MAX_REFCOUNTABLE_FD) {
+ dVAR;
#ifdef USE_THREADS
MUTEX_LOCK(&PerlIO_mutex);
#endif
void
PerlIO_cleanup(pTHX)
{
+ dVAR;
int i;
#ifdef USE_ITHREADS
PerlIO_debug("Cleanup layers for %p\n",aTHX);
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)
IV
PerlIOUnix_close(pTHX_ PerlIO *f)
{
+ dVAR;
const int fd = PerlIOSelf(f, PerlIOUnix)->fd;
int code = 0;
if (PerlIOBase(f)->flags & PERLIO_F_OPEN) {
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,
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);
}