return PerlIO_tmpfile();
else {
char *name = SvPV_nolen(*args);
- if (*mode == '#') {
+ if (*mode == IoTYPE_NUMERIC) {
fd = PerlLIO_open3(name, imode, perm);
if (fd >= 0)
return PerlIO_fdopen(fd, (char *) mode + 1);
PerlIO_funcs *osLayer = &PerlIO_unix;
PL_def_layerlist = PerlIO_list_alloc(aTHX);
PerlIO_define_layer(aTHX_ & PerlIO_unix);
-#if defined(WIN32) && !defined(UNDER_CE)
+#if defined(WIN32)
PerlIO_define_layer(aTHX_ & PerlIO_win32);
#if 0
osLayer = &PerlIO_win32;
if (tab->Set_ptrcnt != NULL)
l->flags |= PERLIO_F_FASTGETS;
if (mode) {
- if (*mode == '#' || *mode == 'I')
+ if (*mode == IoTYPE_NUMERIC || *mode == IoTYPE_IMPLICIT)
mode++;
switch (*mode++) {
case 'r':
{
STDCHAR *buf = (STDCHAR *) vbuf;
if (f) {
- if (!(PerlIOBase(f)->flags & PERLIO_F_CANREAD))
+ if (!(PerlIOBase(f)->flags & PERLIO_F_CANREAD)) {
+ PerlIOBase(f)->flags |= PERLIO_F_ERROR;
+ SETERRNO(EBADF, SS_IVCHAN);
return 0;
+ }
while (count > 0) {
SSize_t avail = PerlIO_get_cnt(f);
SSize_t take = 0;
PerlIOUnix_oflags(const char *mode)
{
int oflags = -1;
- if (*mode == 'I' || *mode == '#')
+ if (*mode == IoTYPE_IMPLICIT || *mode == IoTYPE_NUMERIC)
mode++;
switch (*mode) {
case 'r':
return code;
}
+IV
+PerlIOUnix_seek(pTHX_ PerlIO *f, Off_t offset, int whence)
+{
+ int fd = PerlIOSelf(f, PerlIOUnix)->fd;
+ Off_t new;
+ if (PerlIOBase(f)->flags & PERLIO_F_NOTREG) {
+#ifdef ESPIPE
+ SETERRNO(ESPIPE, LIB_INVARG);
+#else
+ SETERRNO(EINVAL, LIB_INVARG);
+#endif
+ return -1;
+ }
+ new = PerlLIO_lseek(fd, offset, whence);
+ if (new == (Off_t) - 1)
+ {
+ return -1;
+ }
+ PerlIOBase(f)->flags &= ~PERLIO_F_EOF;
+ return 0;
+}
+
PerlIO *
PerlIOUnix_open(pTHX_ PerlIO_funcs *self, PerlIO_list_t *layers,
IV n, const char *mode, int fd, int imode,
}
if (narg > 0) {
char *path = SvPV_nolen(*args);
- if (*mode == '#')
+ if (*mode == IoTYPE_NUMERIC)
mode++;
else {
imode = PerlIOUnix_oflags(mode);
}
}
if (fd >= 0) {
- if (*mode == 'I')
+ if (*mode == IoTYPE_IMPLICIT)
mode++;
if (!f) {
f = PerlIO_allocate(aTHX);
}
PerlIOUnix_setfd(aTHX_ f, fd, imode);
PerlIOBase(f)->flags |= PERLIO_F_OPEN;
+ if (*mode == IoTYPE_APPEND)
+ PerlIOUnix_seek(aTHX_ f, 0, SEEK_END);
return f;
}
else {
}
}
-IV
-PerlIOUnix_seek(pTHX_ PerlIO *f, Off_t offset, int whence)
-{
- int fd = PerlIOSelf(f, PerlIOUnix)->fd;
- Off_t new;
- if (PerlIOBase(f)->flags & PERLIO_F_NOTREG) {
-#ifdef ESPIPE
- SETERRNO(ESPIPE, LIB_INVARG);
-#else
- SETERRNO(EINVAL, LIB_INVARG);
-#endif
- return -1;
- }
- new = PerlLIO_lseek(fd, offset, whence);
- if (new == (Off_t) - 1)
- {
- return -1;
- }
- PerlIOBase(f)->flags &= ~PERLIO_F_EOF;
- return 0;
-}
-
Off_t
PerlIOUnix_tell(pTHX_ PerlIO *f)
{
while (*mode) {
*tmode++ = *mode++;
}
-#ifdef PERLIO_USING_CRLF
+#if defined(PERLIO_USING_CRLF) || defined(__CYGWIN__)
*tmode++ = 'b';
#endif
*tmode = '\0';
else {
if (narg > 0) {
char *path = SvPV_nolen(*args);
- if (*mode == '#') {
+ if (*mode == IoTYPE_NUMERIC) {
mode++;
fd = PerlLIO_open3(path, imode, perm);
}
else {
- FILE *stdio = PerlSIO_fopen(path, mode);
+ FILE *stdio;
+ bool appended = FALSE;
+#ifdef __CYGWIN__
+ /* Cygwin wants its 'b' early. */
+ appended = TRUE;
+ mode = PerlIOStdio_mode(mode, tmode);
+#endif
+ stdio = PerlSIO_fopen(path, mode);
if (stdio) {
PerlIOStdio *s;
if (!f) {
f = PerlIO_allocate(aTHX);
}
- if ((f = PerlIO_push(aTHX_ f, self,
- (mode = PerlIOStdio_mode(mode, tmode)),
- PerlIOArg))) {
+ if (!appended)
+ mode = PerlIOStdio_mode(mode, tmode);
+ f = PerlIO_push(aTHX_ f, self, mode, PerlIOArg);
+ if (f) {
s = PerlIOSelf(f, PerlIOStdio);
s->stdio = stdio;
PerlIOUnix_refcnt_inc(fileno(s->stdio));
if (fd >= 0) {
FILE *stdio = NULL;
int init = 0;
- if (*mode == 'I') {
+ if (*mode == IoTYPE_IMPLICIT) {
init = 1;
mode++;
}
}
else
got = PerlSIO_fread(vbuf, 1, count, s);
+ if (got == 0 && PerlSIO_ferror(s))
+ got = -1;
if (got >= 0 || errno != EINTR)
break;
PERL_ASYNC_CHECK();
{
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;
}
else {
PerlIO_funcs *tab = PerlIO_layer_fetch(aTHX_ layers, n - 1, PerlIO_default_btm());
int init = 0;
- if (*mode == 'I') {
+ if (*mode == IoTYPE_IMPLICIT) {
init = 1;
/*
* 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) {
/*
f, PerlIOBase(f)->tab->name, (mode) ? mode : "(Null)",
PerlIOBase(f)->flags);
#endif
+ {
+ /* Enable the first CRLF capable layer you can find, but if none
+ * found, the one we just pushed is fine. This results in at
+ * any given moment at most one CRLF-capable layer being enabled
+ * in the whole layer stack. */
+ PerlIO *g = PerlIONext(f);
+ while (g && *g) {
+ PerlIOl *b = PerlIOBase(g);
+ if (b && b->tab == &PerlIO_crlf) {
+ if (!(b->flags & PERLIO_F_CRLF))
+ b->flags |= PERLIO_F_CRLF;
+ PerlIO_pop(aTHX_ f);
+ return code;
+ }
+ g = PerlIONext(g);
+ }
+ }
return code;
}