#include <sys/mman.h>
#endif
-
+/*
+ * Why is this here - not in perlio.h? RMB
+ */
void PerlIO_debug(const char *fmt, ...)
- __attribute__ ((format(__printf__, 1, 2)));
+ __attribute__format__(__printf__, 1, 2);
void
PerlIO_debug(const char *fmt, ...)
return PerlIOSelf(f, PerlIOUnix)->fd;
}
-IV
-PerlIOUnix_pushed(pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab)
+static void
+PerlIOUnix_setfd(pTHX_ PerlIO *f, int fd, int imode)
{
- IV code = PerlIOBase_pushed(aTHX_ f, mode, arg, tab);
PerlIOUnix *s = PerlIOSelf(f, PerlIOUnix);
#if defined(WIN32)
- struct stat st;
- if (fstat(s->fd, &st) == 0) {
+ Stat_t st;
+ if (PerlLIO_fstat(fd, &st) == 0) {
if (!S_ISREG(st.st_mode)) {
+ 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);
+ }
}
#endif
+ s->fd = fd;
+ s->oflags = imode;
+ PerlIOUnix_refcnt_inc(fd);
+}
+
+IV
+PerlIOUnix_pushed(pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab)
+{
+ IV code = PerlIOBase_pushed(aTHX_ f, mode, arg, tab);
if (*PerlIONext(f)) {
/* We never call down so do any pending stuff now */
PerlIO_flush(PerlIONext(f));
- s->fd = PerlIO_fileno(PerlIONext(f));
/*
* XXX could (or should) we retrieve the oflags from the open file
* handle rather than believing the "mode" we are passed in? XXX
* Should the value on NULL mode be 0 or -1?
*/
- s->oflags = mode ? PerlIOUnix_oflags(mode) : -1;
+ PerlIOUnix_setfd(aTHX_ f, PerlIO_fileno(PerlIONext(f)),
+ mode ? PerlIOUnix_oflags(mode) : -1);
}
PerlIOBase(f)->flags |= PERLIO_F_OPEN;
}
}
if (fd >= 0) {
- PerlIOUnix *s;
if (*mode == 'I')
mode++;
if (!f) {
return NULL;
}
}
- s = PerlIOSelf(f, PerlIOUnix);
- s->fd = fd;
- s->oflags = imode;
+ PerlIOUnix_setfd(aTHX_ f, fd, imode);
PerlIOBase(f)->flags |= PERLIO_F_OPEN;
- PerlIOUnix_refcnt_inc(fd);
return f;
}
else {
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 */
- PerlIOUnix *s = PerlIOSelf(f, PerlIOUnix);
- s->fd = fd;
- PerlIOUnix_refcnt_inc(fd);
+ PerlIOUnix_setfd(aTHX_ f, fd, os->oflags);
return f;
}
}
while (1) {
SSize_t len = PerlLIO_read(fd, vbuf, count);
if (len >= 0 || errno != EINTR) {
- if (len < 0)
- PerlIOBase(f)->flags |= PERLIO_F_ERROR;
- else if (len == 0 && count != 0)
+ if (len < 0) {
+ if (errno != EAGAIN) {
+ PerlIOBase(f)->flags |= PERLIO_F_ERROR;
+ }
+ }
+ else if (len == 0 && count != 0) {
PerlIOBase(f)->flags |= PERLIO_F_EOF;
+ SETERRNO(0,0);
+ }
return len;
}
PERL_ASYNC_CHECK();
while (1) {
SSize_t len = PerlLIO_write(fd, vbuf, count);
if (len >= 0 || errno != EINTR) {
- if (len < 0)
- PerlIOBase(f)->flags |= PERLIO_F_ERROR;
+ if (len < 0) {
+ if (errno != EAGAIN) {
+ PerlIOBase(f)->flags |= PERLIO_F_ERROR;
+ }
+ }
return len;
}
PERL_ASYNC_CHECK();
SETERRNO(EINVAL, LIB_INVARG);
#endif
return -1;
- }
+ }
new = PerlLIO_lseek(fd, offset, whence);
if (new == (Off_t) - 1)
{
}
if (dupfd) {
PerlLIO_dup2(dupfd,fd);
- close(dupfd);
+ PerlLIO_close(dupfd);
}
return result;
}
}
else
got = PerlSIO_fread(vbuf, 1, count, s);
- if (got || errno != EINTR)
+ if (got >= 0 || errno != EINTR)
break;
PERL_ASYNC_CHECK();
- errno = 0; /* just in case */
+ SETERRNO(0,0); /* just in case */
}
return got;
}
for (;;) {
got = PerlSIO_fwrite(vbuf, 1, count,
PerlIOSelf(f, PerlIOStdio)->stdio);
- if (got || errno != EINTR)
+ if (got >= 0 || errno != EINTR)
break;
PERL_ASYNC_CHECK();
- errno = 0; /* just in case */
+ SETERRNO(0,0); /* just in case */
}
return got;
}
stdio = PerlSIO_fdopen(PerlIO_fileno(f), mode);
if (stdio) {
PerlIOl *l = *f;
+ PerlIO *f2;
/* De-link any lower layers so new :stdio sticks */
*f = NULL;
- if ((f = PerlIO_push(aTHX_ f, &PerlIO_stdio, buf, Nullsv))) {
- PerlIOStdio *s = PerlIOSelf(f, PerlIOStdio);
+ if ((f2 = PerlIO_push(aTHX_ f, &PerlIO_stdio, buf, Nullsv))) {
+ PerlIOStdio *s = PerlIOSelf((f = f2), PerlIOStdio);
s->stdio = stdio;
/* Link previous lower layers under new one */
*PerlIONext(f) = l;
{
if (PerlIOValid(f)) {
PerlIO *next = PerlIONext(f);
- PerlIO_funcs *tab = PerlIO_layer_fetch(aTHX_ layers, n - 1, PerlIOBase(next)->tab);
- next = (*tab->Open) (aTHX_ tab, layers, n - 1, mode, fd, imode, perm,
- next, narg, args);
+ PerlIO_funcs *tab =
+ PerlIO_layer_fetch(aTHX_ layers, n - 1, PerlIOBase(next)->tab);
+ if (tab && tab->Open)
+ next =
+ (*tab->Open)(aTHX_ tab, layers, n - 1, mode, fd, imode, perm,
+ next, narg, args);
if (!next || (*PerlIOBase(f)->tab->Pushed) (aTHX_ f, mode, PerlIOArg, self) != 0) {
return NULL;
}
* mode++;
*/
}
- f = (*tab->Open) (aTHX_ tab, layers, n - 1, mode, fd, imode, perm,
- f, narg, args);
+ if (tab && tab->Open)
+ f = (*tab->Open)(aTHX_ tab, layers, n - 1, mode, fd, imode, perm,
+ f, narg, args);
+ else
+ SETERRNO(EINVAL, LIB_INVARG);
if (f) {
if (PerlIO_push(aTHX_ f, self, mode, PerlIOArg) == 0) {
/*
dTHX;
PerlIO *f = NULL;
int fd = -1;
- SV *sv = Nullsv;
- GV *gv = gv_fetchpv("File::Temp::tempfile", FALSE, SVt_PVCV);
-
- if (!gv) {
- ENTER;
- Perl_load_module(aTHX_ PERL_LOADMOD_NOIMPORT,
- newSVpvn("File::Temp", 10), Nullsv, Nullsv, Nullsv);
- gv = gv_fetchpv("File::Temp::tempfile", FALSE, SVt_PVCV);
- GvIMPORTED_CV_on(gv);
- LEAVE;
- }
-
- if (gv && GvCV(gv)) {
- dSP;
- ENTER;
- SAVETMPS;
- PUSHMARK(SP);
- PUTBACK;
- if (call_sv((SV*)GvCV(gv), G_SCALAR)) {
- GV *gv = (GV*)SvRV(newSVsv(*PL_stack_sp--));
- IO *io = gv ? GvIO(gv) : 0;
- fd = io ? PerlIO_fileno(IoIFP(io)) : -1;
- }
- SPAGAIN;
- PUTBACK;
- FREETMPS;
- LEAVE;
- }
-
+#ifdef WIN32
+ fd = win32_tmpfd();
+ if (fd >= 0)
+ f = PerlIO_fdopen(fd, "w+b");
+#else /* WIN32 */
+# ifdef HAS_MKSTEMP
+ SV *sv = newSVpv("/tmp/PerlIO_XXXXXX", 0);
+
+ /*
+ * I have no idea how portable mkstemp() is ... NI-S
+ */
+ fd = mkstemp(SvPVX(sv));
if (fd >= 0) {
f = PerlIO_fdopen(fd, "w+");
- if (sv) {
- if (f)
- PerlIOBase(f)->flags |= PERLIO_F_TEMP;
- PerlLIO_unlink(SvPVX(sv));
- SvREFCNT_dec(sv);
- }
+ if (f)
+ PerlIOBase(f)->flags |= PERLIO_F_TEMP;
+ PerlLIO_unlink(SvPVX(sv));
+ SvREFCNT_dec(sv);
}
+# else /* !HAS_MKSTEMP, fallback to stdio tmpfile(). */
+ FILE *stdio = PerlSIO_tmpfile();
+ if (stdio) {
+ if ((f = PerlIO_push(aTHX_(PerlIO_allocate(aTHX)),
+ &PerlIO_stdio, "w+", Nullsv))) {
+ PerlIOStdio *s = PerlIOSelf(f, PerlIOStdio);
+
+ if (s)
+ s->stdio = stdio;
+ }
+ }
+# endif /* else HAS_MKSTEMP */
+#endif /* else WIN32 */
return f;
}
projects / p5sagit/p5-mst-13.2.git / blobdiff