#define dSYS dNOOP
#endif
-#define VOIDUSED 1
-#ifdef PERL_MICRO
-# include "uconfig.h"
-#else
-# ifndef USE_CROSS_COMPILE
-# include "config.h"
-# else
-# include "xconfig.h"
-# endif
-#endif
-
#define PERLIO_NOT_STDIO 0
-#if !defined(PERLIO_IS_STDIO) && !defined(USE_SFIO)
-/*
- * #define PerlIO FILE
- */
-#endif
/*
* This file provides those parts of PerlIO abstraction
* which are not #defined in perlio.h.
#define NATIVE_0xd CR_NATIVE
#define NATIVE_0xa LF_NATIVE
-#ifndef USE_SFIO
-
EXTERN_C int perlsio_binmode(FILE *fp, int iotype, int mode);
int
# endif
#endif
}
-#endif /* sfio */
#ifndef O_ACCMODE
#define O_ACCMODE 3 /* Assume traditional implementation */
mode[ix++] = '+';
}
}
+#if O_BINARY != 0
+ /* Unless O_BINARY is different from zero, bit-and:ing
+ * with it won't do much good. */
if (rawmode & O_BINARY)
mode[ix++] = 'b';
+# endif
mode[ix] = '\0';
return ptype;
}
int
PerlIO_binmode(pTHX_ PerlIO *fp, int iotype, int mode, const char *names)
{
-#ifdef USE_SFIO
- PERL_UNUSED_ARG(iotype);
- PERL_UNUSED_ARG(mode);
- PERL_UNUSED_ARG(names);
- return 1;
-#else
return perlsio_binmode(fp, iotype, mode);
-#endif
}
PerlIO *
return NULL;
}
+XS(XS_PerlIO__Layer__find); /* prototype to pass -Wmissing-prototypes */
XS(XS_PerlIO__Layer__find)
{
dXSARGS;
#else /* PERLIO_IS_STDIO */
-#ifdef USE_SFIO
-
-#undef HAS_FSETPOS
-#undef HAS_FGETPOS
-
-/*
- * This section is just to make sure these functions get pulled in from
- * libsfio.a
- */
-
-#undef PerlIO_tmpfile
-PerlIO *
-PerlIO_tmpfile(void)
-{
- return sftmp(0);
-}
-
-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
- * loadable extensions e.g. for FileHandle::tmpfile
- */
-
- /*
- * Hack sfio does its own 'autoflush' on stdout in common cases. Flush
- * results in a lot of lseek()s to regular files and lot of small
- * writes to pipes.
- */
- sfset(sfstdout, SF_SHARE, 0);
-}
-
-/* This is not the reverse of PerlIO_exportFILE(), PerlIO_releaseFILE() is. */
-PerlIO *
-PerlIO_importFILE(FILE *stdio, const char *mode)
-{
- const int fd = fileno(stdio);
- if (!mode || !*mode) {
- mode = "r+";
- }
- return PerlIO_fdopen(fd, mode);
-}
-
-FILE *
-PerlIO_findFILE(PerlIO *pio)
-{
- const int fd = PerlIO_fileno(pio);
- FILE * const f = fdopen(fd, "r+");
- PerlIO_flush(pio);
- if (!f && errno == EINVAL)
- f = fdopen(fd, "w");
- if (!f && errno == EINVAL)
- f = fdopen(fd, "r");
- return f;
-}
-
-
-#else /* USE_SFIO */
/*======================================================================================*/
/*
* Implement all the PerlIO interface ourselves.
char buffer[1024];
const STRLEN len1 = my_snprintf(buffer, sizeof(buffer), "%.40s:%" IVdf " ", s ? s : "(none)", (IV) CopLINE(PL_curcop));
const STRLEN len2 = my_vsnprintf(buffer + len1, sizeof(buffer) - len1, fmt, ap);
- PerlLIO_write(PL_perlio_debug_fd, buffer, len1 + len2);
+ PERL_UNUSED_RESULT(PerlLIO_write(PL_perlio_debug_fd, buffer, len1 + len2));
#else
const char *s = CopFILE(PL_curcop);
STRLEN len;
Perl_sv_vcatpvf(aTHX_ sv, fmt, &ap);
s = SvPV_const(sv, len);
- PerlLIO_write(PL_perlio_debug_fd, s, len);
+ PERL_UNUSED_RESULT(PerlLIO_write(PL_perlio_debug_fd, s, len));
SvREFCNT_dec(sv);
#endif
}
{
PerlIOl *head, *p;
int seen = 0;
+#ifndef PERL_IMPLICIT_SYS
+ PERL_UNUSED_CONTEXT;
+#endif
if (!PerlIOValid(f))
return;
p = head = PerlIOBase(f)->head;
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;
PERL_UNUSED_CONTEXT;
list = PerlIO_list_alloc(aTHX);
for (i=0; i < proto->cur; i++) {
SV *arg = proto->array[i].arg;
-#ifdef sv_dup
+#ifdef USE_ITHREADS
if (arg && param)
arg = sv_dup(arg, param);
#else
void
PerlIO_destruct(pTHX)
{
- dVAR;
PerlIOl **table = &PL_perlio;
PerlIOl *f;
#ifdef USE_ITHREADS
AV *
PerlIO_get_layers(pTHX_ PerlIO *f)
{
- dVAR;
AV * const av = newAV();
if (PerlIOValid(f)) {
PerlIO_funcs *
PerlIO_find_layer(pTHX_ const char *name, STRLEN len, int load)
{
- dVAR;
+
IV i;
if ((SSize_t) len <= 0)
len = strlen(name);
perlio_mg_free
};
+XS(XS_io_MODIFY_SCALAR_ATTRIBUTES); /* prototype to pass -Wmissing-prototypes */
XS(XS_io_MODIFY_SCALAR_ATTRIBUTES)
{
dXSARGS;
return sv;
}
+XS(XS_PerlIO__Layer__NoWarnings); /* prototype to pass -Wmissing-prototypes */
XS(XS_PerlIO__Layer__NoWarnings)
{
/* This is used as a %SIG{__WARN__} handler to suppress warnings
during loading of layers.
*/
- dVAR;
dXSARGS;
PERL_UNUSED_ARG(cv);
if (items)
XSRETURN(0);
}
+XS(XS_PerlIO__Layer__find); /* prototype to pass -Wmissing-prototypes */
XS(XS_PerlIO__Layer__find)
{
- dVAR;
dXSARGS;
PERL_UNUSED_ARG(cv);
if (items < 2)
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, NULL);
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 = TAINTING_get ? NULL : 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_init_table(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));
+ Perl_PerlIO_or_Base(f, Fileno, fileno, -1, (aTHX_ f));
}
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)
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;
PerlIOl **table = &PL_perlio;
PerlIOl *f;
while ((f = *table)) {
{
if (!arg)
return NULL;
-#ifdef sv_dup
+#ifdef USE_ITHREADS
if (param) {
arg = sv_dup(arg, param);
SvREFCNT_inc_simple_void_NN(arg);
PerlIO_funcs * const self = PerlIOBase(o)->tab;
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);
const int new_max = 16 + (new_fd & ~15);
int *new_array;
+#ifndef PERL_IMPLICIT_SYS
+ PERL_UNUSED_CONTEXT;
+#endif
+
PerlIO_debug("More fds - old=%d, need %d, new=%d\n",
old_max, new_fd, new_max);
void
PerlIO_cleanup(pTHX)
{
- dVAR;
int i;
#ifdef USE_ITHREADS
PerlIO_debug("Cleanup layers for %p\n",(void*)aTHX);
static void
S_lockcnt_dec(pTHX_ const void* f)
{
+#ifndef PERL_IMPLICIT_SYS
+ PERL_UNUSED_CONTEXT;
+#endif
PerlIO_lockcnt((PerlIO*)f)--;
}
oflags |= O_WRONLY;
break;
}
- if (*mode == 'b') {
- oflags |= O_BINARY;
+
+ /* XXX TODO: PerlIO_open() test that exercises 'rb' and 'rt'. */
+
+ /* Unless O_BINARY is different from O_TEXT, first bit-or:ing one
+ * of them in, and then bit-and-masking the other them away, won't
+ * have much of an effect. */
+ switch (*mode) {
+ case 'b':
+#if O_TEXT != O_BINARY
+ oflags |= O_BINARY;
oflags &= ~O_TEXT;
- mode++;
- }
- else if (*mode == 't') {
+#endif
+ mode++;
+ break;
+ case 't':
+#if O_TEXT != O_BINARY
oflags |= O_TEXT;
oflags &= ~O_BINARY;
- mode++;
- }
- else {
-#ifdef PERLIO_USING_CRLF
+#endif
+ mode++;
+ break;
+ default:
+# if O_BINARY != 0
+ /* bit-or:ing with zero O_BINARY would be useless. */
/*
* If neither "t" nor "b" was specified, open the file
* in O_BINARY mode.
+ *
+ * Note that if something else than the zero byte was seen
+ * here (e.g. bogus mode "rx"), just few lines later we will
+ * set the errno and invalidate the flags.
*/
oflags |= O_BINARY;
-#endif
+# endif
+ break;
}
if (*mode || oflags == -1) {
SETERRNO(EINVAL, LIB_INVARG);
}
if (!PerlIOValid(f)) {
if (!(f = PerlIO_push(aTHX_ f, self, mode, PerlIOArg))) {
+ PerlLIO_close(fd);
return NULL;
}
}
PerlIOUnix_setfd(aTHX_ f, fd, os->oflags);
return f;
}
+ PerlLIO_close(fd);
}
return NULL;
}
SSize_t
PerlIOUnix_read(pTHX_ PerlIO *f, void *vbuf, Size_t count)
{
- dVAR;
int fd;
if (PerlIO_lockcnt(f)) /* in use: abort ungracefully */
return -1;
SSize_t
PerlIOUnix_write(pTHX_ PerlIO *f, const void *vbuf, Size_t count)
{
- dVAR;
int fd;
if (PerlIO_lockcnt(f)) /* in use: abort ungracefully */
return -1;
IV
PerlIOUnix_close(pTHX_ PerlIO *f)
{
- dVAR;
const int fd = PerlIOSelf(f, PerlIOUnix)->fd;
int code = 0;
if (PerlIOBase(f)->flags & PERLIO_F_OPEN) {
PerlIOSelf(f, PerlIOStdio)->stdio = stdio;
/* We never call down so do any pending stuff now */
PerlIO_flush(PerlIONext(f));
+ return PerlIOBase_pushed(aTHX_ f, mode, arg, tab);
}
else {
return -1;
{
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
Note that the errno value set by a failing fdopen
varies between stdio implementations.
*/
- const int fd = PerlLIO_dup(fileno(stdio));
- FILE *f2 = PerlSIO_fdopen(fd, (mode = "r+"));
+ const int fd = PerlLIO_dup(fd0);
+ FILE *f2;
+ if (fd < 0) {
+ return f;
+ }
+ f2 = PerlSIO_fdopen(fd, (mode = "r+"));
if (!f2) {
f2 = PerlSIO_fdopen(fd, (mode = "w"));
}
}
fclose(f2);
}
- if ((f = PerlIO_push(aTHX_(f = PerlIO_allocate(aTHX)), PERLIO_FUNCS_CAST(&PerlIO_stdio), mode, NULL))) {
+ 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;
if (!IS_SAFE_PATHNAME(path, len, "open"))
return NULL;
PerlIOUnix_refcnt_dec(fileno(s->stdio));
- stdio = PerlSIO_freopen(path, (mode = PerlIOStdio_mode(mode, tmode)),
- s->stdio);
+ stdio = PerlSIO_freopen(path, PerlIOStdio_mode(mode, tmode),
+ s->stdio);
if (!s->stdio)
return NULL;
s->stdio = stdio;
}
return f;
}
+ PerlLIO_close(fd);
}
}
return NULL;
*/
f->_fileno = -1;
return 1;
-# elif defined(__sun__)
+# elif defined(__sun)
PERL_UNUSED_ARG(f);
return 0;
# elif defined(__hpux)
SSize_t
PerlIOStdio_read(pTHX_ PerlIO *f, void *vbuf, Size_t count)
{
- dVAR;
FILE * s;
SSize_t got = 0;
if (PerlIO_lockcnt(f)) /* in use: abort ungracefully */
}
if ((STDCHAR*)PerlSIO_get_ptr(s) != --eptr || ((*eptr & 0xFF) != ch)) {
/* Did not change pointer as expected */
- fgetc(s); /* get char back again */
- break;
+ if (fgetc(s) != EOF) /* get char back again */
+ break;
}
/* It worked ! */
count--;
SSize_t
PerlIOStdio_write(pTHX_ PerlIO *f, const void *vbuf, Size_t count)
{
- dVAR;
SSize_t got;
if (PerlIO_lockcnt(f)) /* in use: abort ungracefully */
return -1;
FILE * const stdio = PerlIOSelf(f, PerlIOStdio)->stdio;
if (ptr != NULL) {
#ifdef STDIO_PTR_LVALUE
+ /* This is a long-standing infamous mess. The root of the
+ * problem is that one cannot know the signedness of char, and
+ * more precisely the signedness of FILE._ptr. The following
+ * things have been tried, and they have all failed (across
+ * different compilers (remember that core needs to to build
+ * also with c++) and compiler options:
+ *
+ * - casting the RHS to (void*) -- works in *some* places
+ * - casting the LHS to (void*) -- totally unportable
+ *
+ * So let's try silencing the warning at least for gcc. */
+ GCC_DIAG_IGNORE(-Wpointer-sign);
PerlSIO_set_ptr(stdio, ptr); /* LHS STDCHAR* cast non-portable */
+ GCC_DIAG_RESTORE;
#ifdef STDIO_PTR_LVAL_SETS_CNT
assert(PerlSIO_get_cnt(stdio) == (cnt));
#endif
}
#endif
-#if defined(VMS)
- /* An ungetc()d char is handled separately from the regular
- * buffer, so we stuff it in the buffer ourselves.
- * Should never get called as should hit code above
- */
- *(--((*stdio)->_ptr)) = (unsigned char) c;
- (*stdio)->_cnt++;
-#else
/* If buffer snoop scheme above fails fall back to
using ungetc().
*/
if (PerlSIO_ungetc(c, stdio) != c)
return EOF;
-#endif
+
return 0;
}
FILE *stdio = NULL;
if (PerlIOValid(f)) {
char buf[8];
+ int fd = PerlIO_fileno(f);
+ if (fd < 0) {
+ return NULL;
+ }
PerlIO_flush(f);
if (!mode || !*mode) {
mode = PerlIO_modestr(f, buf);
void
PerlIO_releaseFILE(PerlIO *p, FILE *f)
{
- dVAR;
PerlIOl *l;
while ((l = *p)) {
if (l->tab == &PerlIO_stdio) {
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);
}
va_list apc;
Perl_va_copy(ap, apc);
sv = vnewSVpvf(fmt, &apc);
+ va_end(apc);
#else
sv = vnewSVpvf(fmt, &ap);
#endif
char tempname[] = "/tmp/PerlIO_XXXXXX";
const char * const tmpdir = TAINTING_get ? NULL : PerlEnv_getenv("TMPDIR");
SV * sv = NULL;
+ int old_umask = umask(0600);
/*
* I have no idea how portable mkstemp() is ... NI-S
*/
fd = mkstemp(SvPVX(sv));
}
if (fd < 0) {
+ SvREFCNT_dec(sv);
sv = NULL;
/* else we try /tmp */
fd = mkstemp(tempname);
}
+ if (fd < 0) {
+ /* Try cwd */
+ sv = newSVpvs(".");
+ sv_catpv(sv, tempname + 4);
+ fd = mkstemp(SvPVX(sv));
+ }
+ umask(old_umask);
if (fd >= 0) {
f = PerlIO_fdopen(fd, "w+");
if (f)
#undef HAS_FSETPOS
#undef HAS_FGETPOS
-#endif /* USE_SFIO */
#endif /* PERLIO_IS_STDIO */
/*======================================================================================*/
const char *
Perl_PerlIO_context_layers(pTHX_ const char *mode)
{
- dVAR;
const char *direction = NULL;
SV *layers;
/*
}
#endif
-#if (defined(PERLIO_IS_STDIO) || !defined(USE_SFIO)) && !defined(HAS_VPRINTF)
+#if !defined(HAS_VPRINTF)
int
vprintf(char *pat, char *args)
#endif
-#ifndef PerlIO_vsprintf
-int
-PerlIO_vsprintf(char *s, int n, const char *fmt, va_list ap)
-{
- dTHX;
- const int val = my_vsnprintf(s, n > 0 ? n : 0, fmt, ap);
- PERL_UNUSED_CONTEXT;
-
-#ifndef PERL_MY_VSNPRINTF_GUARDED
- if (val < 0 || (n > 0 ? val >= n : 0)) {
- Perl_croak(aTHX_ "panic: my_vsnprintf overflow in PerlIO_vsprintf\n");
- }
-#endif
- return val;
-}
-#endif
-
-#ifndef PerlIO_sprintf
-int
-PerlIO_sprintf(char *s, int n, const char *fmt, ...)
-{
- va_list ap;
- int result;
- va_start(ap, fmt);
- result = PerlIO_vsprintf(s, n, fmt, ap);
- va_end(ap);
- return result;
-}
-#endif
-
/*
* Local variables:
* c-indentation-style: bsd
https://perl5.git.perl.org / perl5.git / blobdiff