#include "XSUB.h"
+#ifdef __Lynx__
+/* Missing proto on LynxOS */
+int mkstemp(char*);
+#endif
+
/* Call the callback or PerlIOBase, and return failure. */
#define Perl_PerlIO_or_Base(f, callback, base, failure, args) \
if (PerlIOValid(f)) { \
else \
SETERRNO(EBADF, SS_IVCHAN)
-#define Perl_PerlIO_fail_if_hasnot(f, able, ueno, veno, ret) \
- if (PerlIOValid(f) && (PerlIOBase(f)->flags & (able)) == 0) { \
- PerlIOBase(f)->flags |= PERLIO_F_ERROR; \
- SETERRNO(ueno, veno); \
- return ret; \
- }
-
-#define Perl_PerlIO_fail_if_has(f, able, ueno, veno, ret) \
- if (PerlIOValid(f) && (PerlIOBase(f)->flags & (able)) == able) { \
- PerlIOBase(f)->flags |= PERLIO_F_ERROR; \
- SETERRNO(ueno, veno); \
- return ret; \
- }
-
int
perlsio_binmode(FILE *fp, int iotype, int mode)
{
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);
len = strlen(name);
for (i = 0; i < PL_known_layers->cur; i++) {
PerlIO_funcs *f = PL_known_layers->array[i].funcs;
- if (memEQ(f->name, name, len)) {
+ if (memEQ(f->name, name, len) && f->name[len] == 0) {
PerlIO_debug("%.*s => %p\n", (int) len, name, (void*)f);
return f;
}
char q = ((*s == '\'') ? '"' : '\'');
if (ckWARN(WARN_LAYER))
Perl_warner(aTHX_ packWARN(WARN_LAYER),
- "perlio: invalid separator character %c%c%c in layer specification list %s",
+ "Invalid separator character %c%c%c in PerlIO layer specification %s",
q, *s, q, s);
SETERRNO(EINVAL, LIB_INVARG);
return -1;
e--;
if (ckWARN(WARN_LAYER))
Perl_warner(aTHX_ packWARN(WARN_LAYER),
- "perlio: argument list not closed for layer \"%.*s\"",
+ "Argument list not closed for PerlIO layer \"%.*s\"",
(int) (e - s), s);
return -1;
default:
}
else {
if (warn_layer)
- Perl_warner(aTHX_ packWARN(WARN_LAYER), "perlio: unknown layer \"%.*s\"",
+ Perl_warner(aTHX_ packWARN(WARN_LAYER), "Unknown PerlIO layer \"%.*s\"",
(int) llen, s);
return -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;
SSize_t
Perl_PerlIO_read(pTHX_ PerlIO *f, void *vbuf, Size_t count)
{
- Perl_PerlIO_fail_if_hasnot(f, PERLIO_F_CANREAD, EBADF, SS_IVCHAN, -1);
Perl_PerlIO_or_Base(f, Read, read, -1, (aTHX_ f, vbuf, count));
}
SSize_t
Perl_PerlIO_unread(pTHX_ PerlIO *f, const void *vbuf, Size_t count)
{
- Perl_PerlIO_fail_if_hasnot(f, PERLIO_F_CANREAD, EBADF, SS_IVCHAN, -1);
Perl_PerlIO_or_Base(f, Unread, unread, -1, (aTHX_ f, vbuf, count));
}
SSize_t
Perl_PerlIO_write(pTHX_ PerlIO *f, const void *vbuf, Size_t count)
{
- Perl_PerlIO_fail_if_hasnot(f, PERLIO_F_CANWRITE, EBADF, SS_IVCHAN, -1);
Perl_PerlIO_or_fail(f, Write, -1, (aTHX_ f, vbuf, count));
}
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)) {
+ 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 {
int fd = PerlIOSelf(f, PerlIOUnix)->fd;
if (!(PerlIOBase(f)->flags & PERLIO_F_CANREAD) ||
PerlIOBase(f)->flags & (PERLIO_F_EOF|PERLIO_F_ERROR)) {
- return -1;
+ return 0;
}
while (1) {
SSize_t len = PerlLIO_read(fd, vbuf, count);
}
}
-IV
-PerlIOUnix_seek(pTHX_ PerlIO *f, Off_t offset, int whence)
-{
- int fd;
- Off_t new;
-#ifdef ESPIPE
- Perl_PerlIO_fail_if_has(f, PERLIO_F_NOTREG, ESPIPE, SS_IVCHAN, -1);
-#else
- Perl_PerlIO_fail_if_has(f, PERLIO_F_NOTREG, EBADF, SS_IVCHAN, -1);
-#endif
- fd = PerlIOSelf(f, PerlIOUnix)->fd;
- 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)
{
PerlIOStdio_mode(const char *mode, char *tmode)
{
char *ret = tmode;
- while (*mode) {
- *tmode++ = *mode++;
+ if (mode) {
+ 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++;
}
*/
f->_file = -1;
return 1;
+# elif defined(__EMX__)
+ /* f->_flags &= ~_IOOPEN; */ /* Will leak stream->_buffer */
+ f->_handle = -1;
+ return 1;
# elif defined(__CYGWIN__)
/* There may be a better way on CYGWIN:
- we could insert a dummy func in the _close function entry
}
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();
IV
PerlIOStdio_error(pTHX_ PerlIO *f)
{
- IV stdio_error = PerlSIO_ferror(PerlIOSelf(f, PerlIOStdio)->stdio);
- /* Some stdio implementations do not mind e.g. trying to output
- * to a write-only filehandle, or vice versa. Therefore we will
- * try both the stdio way and the perlio way. */
- IV iobase_error = PerlIOValid(f) ?
- ((PerlIOBase(f)->flags & PERLIO_F_ERROR) != 0) : 0;
- return stdio_error || iobase_error;
+ return PerlSIO_ferror(PerlIOSelf(f, PerlIOStdio)->stdio);
}
void
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, 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;
}
dTHX;
char *name = NULL;
#ifdef VMS
+ bool exported = FALSE;
FILE *stdio = PerlIOSelf(f, PerlIOStdio)->stdio;
- if (stdio)
+ if (!stdio) {
+ stdio = PerlIO_exportFILE(f,0);
+ exported = TRUE;
+ }
+ if (stdio) {
name = fgetname(stdio, buf);
+ if (exported) PerlIO_releaseFILE(f,stdio);
+ }
#else
Perl_croak(aTHX_ "Don't know how to get file name");
#endif
if (fd >= 0)
f = PerlIO_fdopen(fd, "w+b");
#else /* WIN32 */
-# ifdef HAS_MKSTEMP
+# if defined(HAS_MKSTEMP) && ! defined(VMS) && ! defined(OS2)
SV *sv = newSVpv("/tmp/PerlIO_XXXXXX", 0);
/*
https://perl5.git.perl.org / perl5.git / blobdiff