#endif
-#if !defined(PERL_IMPLICIT_SYS)
#ifdef PERLIO_IS_STDIO
void
PerlIO_debug(const char *fmt,...)
{
+ dTHX;
static int dbg = 0;
va_list ap;
va_start(ap,fmt);
#define PERLIO_TABLE_SIZE 64
PerlIO *
-PerlIO_allocate(void)
+PerlIO_allocate(pTHX)
{
/* Find a free slot in the table, allocating new table as necessary */
- PerlIO **last = &_perlio;
+ PerlIO **last;
PerlIO *f;
+ last = &_perlio;
while ((f = *last))
{
int i;
}
}
}
- Newz('I',f,PERLIO_TABLE_SIZE,PerlIO);
+ f = PerlMemShared_calloc(PERLIO_TABLE_SIZE,sizeof(PerlIO));
if (!f)
- return NULL;
+ {
+ return NULL;
+ }
*last = f;
return f+1;
}
void
-PerlIO_cleantable(PerlIO **tablep)
+PerlIO_cleantable(pTHX_ PerlIO **tablep)
{
PerlIO *table = *tablep;
if (table)
{
int i;
- PerlIO_cleantable((PerlIO **) &(table[0]));
+ PerlIO_cleantable(aTHX_ (PerlIO **) &(table[0]));
for (i=PERLIO_TABLE_SIZE-1; i > 0; i--)
{
PerlIO *f = table+i;
PerlIO_close(f);
}
}
- Safefree(table);
+ PerlMemShared_free(table);
*tablep = NULL;
}
}
AV *PerlIO_layer_av;
void
-PerlIO_cleanup(void)
+PerlIO_cleanup()
{
- PerlIO_cleantable(&_perlio);
+ dTHX;
+ PerlIO_cleantable(aTHX_ &_perlio);
}
void
PerlIO_pop(PerlIO *f)
{
+ dTHX;
PerlIOl *l = *f;
if (l)
{
PerlIO_debug("PerlIO_pop f=%p %s\n",f,l->tab->name);
(*l->tab->Popped)(f);
*f = l->next;
- Safefree(l);
+ PerlMemShared_free(l);
}
}
{
if (!_perlio)
{
- PerlIO_allocate();
+ dTHX;
+ PerlIO_allocate(aTHX);
PerlIO_fdopen(0,"Ir" PERLIO_STDTEXT);
PerlIO_fdopen(1,"Iw" PERLIO_STDTEXT);
PerlIO_fdopen(2,"Iw" PERLIO_STDTEXT);
PerlIO *
PerlIO_push(PerlIO *f,PerlIO_funcs *tab,const char *mode)
{
+ dTHX;
PerlIOl *l = NULL;
- Newc('L',l,tab->size,char,PerlIOl);
+ l = PerlMemShared_calloc(tab->size,sizeof(char));
if (l)
{
Zero(l,tab->size,char);
return (*PerlIOBase(f)->tab->Close)(f);
}
+#undef PerlIO_fdupopen
+PerlIO *
+PerlIO_fdupopen(pTHX_ PerlIO *f)
+{
+ char buf[8];
+ int fd = PerlLIO_dup(PerlIO_fileno(f));
+ PerlIO *new = PerlIO_fdopen(fd,PerlIO_modestr(f,buf));
+ if (new)
+ {
+ Off_t posn = PerlIO_tell(f);
+ PerlIO_seek(new,posn,SEEK_SET);
+ }
+ return new;
+}
#undef PerlIO_close
int
int
PerlIO_fast_gets(PerlIO *f)
{
- if (f && *f)
+ if (f && *f && (PerlIOBase(f)->flags & PERLIO_F_FASTGETS))
{
- PerlIOl *l = PerlIOBase(f);
- return (l->tab->Set_ptrcnt != NULL);
+ PerlIO_funcs *tab = PerlIOBase(f)->tab;
+ return (tab->Set_ptrcnt != NULL);
}
return 0;
}
STDCHAR *
PerlIO_get_ptr(PerlIO *f)
{
- return (*PerlIOBase(f)->tab->Get_ptr)(f);
+ PerlIO_funcs *tab = PerlIOBase(f)->tab;
+ if (tab->Get_ptr == NULL)
+ return NULL;
+ return (*tab->Get_ptr)(f);
}
#undef PerlIO_get_cnt
int
PerlIO_get_cnt(PerlIO *f)
{
- return (*PerlIOBase(f)->tab->Get_cnt)(f);
+ PerlIO_funcs *tab = PerlIOBase(f)->tab;
+ if (tab->Get_cnt == NULL)
+ return 0;
+ return (*tab->Get_cnt)(f);
}
#undef PerlIO_set_cnt
void
PerlIO_set_ptrcnt(PerlIO *f, STDCHAR *ptr, int cnt)
{
+ PerlIO_funcs *tab = PerlIOBase(f)->tab;
+ if (tab->Set_ptrcnt == NULL)
+ {
+ dTHX;
+ Perl_croak(aTHX_ "PerlIO buffer snooping abuse");
+ }
(*PerlIOBase(f)->tab->Set_ptrcnt)(f,ptr,cnt);
}
{
char *s = buf;
IV flags = PerlIOBase(f)->flags;
- if (flags & PERLIO_F_CANREAD)
- *s++ = 'r';
- if (flags & PERLIO_F_CANWRITE)
- *s++ = 'w';
- if (flags & PERLIO_F_CRLF)
- *s++ = 't';
- else
+ if (flags & PERLIO_F_APPEND)
+ {
+ *s++ = 'a';
+ if (flags & PERLIO_F_CANREAD)
+ {
+ *s++ = '+';
+ }
+ }
+ else if (flags & PERLIO_F_CANREAD)
+ {
+ *s++ = 'r';
+ if (flags & PERLIO_F_CANWRITE)
+ *s++ = '+';
+ }
+ else if (flags & PERLIO_F_CANWRITE)
+ {
+ *s++ = 'w';
+ if (flags & PERLIO_F_CANREAD)
+ {
+ *s++ = '+';
+ }
+ }
+#if O_TEXT != O_BINARY
+ if (!(flags & PERLIO_F_CRLF))
*s++ = 'b';
+#endif
*s = '\0';
return buf;
}
PerlIOl *l = PerlIOBase(f);
const char *omode = mode;
char temp[8];
+ PerlIO_funcs *tab = PerlIOBase(f)->tab;
l->flags &= ~(PERLIO_F_CANREAD|PERLIO_F_CANWRITE|
PERLIO_F_TRUNCATE|PERLIO_F_APPEND);
+ if (tab->Set_ptrcnt != NULL)
+ l->flags |= PERLIO_F_FASTGETS;
if (mode)
{
switch (*mode++)
(PERLIO_F_CANREAD|PERLIO_F_CANWRITE|PERLIO_F_TRUNCATE|PERLIO_F_APPEND);
}
}
+#if 0
PerlIO_debug("PerlIOBase_pushed f=%p %s %s fl=%08"UVxf" (%s)\n",
f,PerlIOBase(f)->tab->name,(omode) ? omode : "(Null)",
l->flags,PerlIO_modestr(f,temp));
+#endif
return 0;
}
return 0;
}
+extern PerlIO_funcs PerlIO_pending;
+
SSize_t
PerlIOBase_unread(PerlIO *f, const void *vbuf, Size_t count)
{
+#if 0
Off_t old = PerlIO_tell(f);
- if (PerlIO_seek(f,-((Off_t)count),SEEK_CUR) == 0)
+ if (0 && PerlIO_seek(f,-((Off_t)count),SEEK_CUR) == 0)
{
Off_t new = PerlIO_tell(f);
return old - new;
}
- return 0;
+ else
+ {
+ return 0;
+ }
+#else
+ PerlIO_push(f,&PerlIO_pending,"r");
+ return PerlIOBuf_unread(f,vbuf,count);
+#endif
}
IV
PerlIO *
PerlIOUnix_fdopen(PerlIO_funcs *self, int fd,const char *mode)
{
+ dTHX;
PerlIO *f = NULL;
if (*mode == 'I')
mode++;
int oflags = PerlIOUnix_oflags(mode);
if (oflags != -1)
{
- PerlIOUnix *s = PerlIOSelf(PerlIO_push(f = PerlIO_allocate(),self,mode),PerlIOUnix);
+ PerlIOUnix *s = PerlIOSelf(PerlIO_push(f = PerlIO_allocate(aTHX),self,mode),PerlIOUnix);
s->fd = fd;
s->oflags = oflags;
PerlIOBase(f)->flags |= PERLIO_F_OPEN;
PerlIO *
PerlIOUnix_open(PerlIO_funcs *self, const char *path,const char *mode)
{
+ dTHX;
PerlIO *f = NULL;
int oflags = PerlIOUnix_oflags(mode);
if (oflags != -1)
int fd = PerlLIO_open3(path,oflags,0666);
if (fd >= 0)
{
- PerlIOUnix *s = PerlIOSelf(PerlIO_push(f = PerlIO_allocate(),self,mode),PerlIOUnix);
+ PerlIOUnix *s = PerlIOSelf(PerlIO_push(f = PerlIO_allocate(aTHX),self,mode),PerlIOUnix);
s->fd = fd;
s->oflags = oflags;
PerlIOBase(f)->flags |= PERLIO_F_OPEN;
(*PerlIOBase(f)->tab->Close)(f);
if (oflags != -1)
{
+ dTHX;
int fd = PerlLIO_open3(path,oflags,0666);
if (fd >= 0)
{
SSize_t
PerlIOUnix_read(PerlIO *f, void *vbuf, Size_t count)
{
+ dTHX;
int fd = PerlIOSelf(f,PerlIOUnix)->fd;
if (!(PerlIOBase(f)->flags & PERLIO_F_CANREAD))
return 0;
SSize_t
PerlIOUnix_write(PerlIO *f, const void *vbuf, Size_t count)
{
+ dTHX;
int fd = PerlIOSelf(f,PerlIOUnix)->fd;
while (1)
{
IV
PerlIOUnix_seek(PerlIO *f, Off_t offset, int whence)
{
+ dTHX;
Off_t new = PerlLIO_lseek(PerlIOSelf(f,PerlIOUnix)->fd,offset,whence);
PerlIOBase(f)->flags &= ~PERLIO_F_EOF;
return (new == (Off_t) -1) ? -1 : 0;
Off_t
PerlIOUnix_tell(PerlIO *f)
{
+ dTHX;
return PerlLIO_lseek(PerlIOSelf(f,PerlIOUnix)->fd,0,SEEK_CUR);
}
IV
PerlIOUnix_close(PerlIO *f)
{
+ dTHX;
int fd = PerlIOSelf(f,PerlIOUnix)->fd;
int code = 0;
while (PerlLIO_close(fd) != 0)
IV
PerlIOStdio_fileno(PerlIO *f)
{
- return fileno(PerlIOSelf(f,PerlIOStdio)->stdio);
+ dTHX;
+ return PerlSIO_fileno(PerlIOSelf(f,PerlIOStdio)->stdio);
}
const char *
PerlIO *
PerlIOStdio_fdopen(PerlIO_funcs *self, int fd,const char *mode)
{
+ dTHX;
PerlIO *f = NULL;
int init = 0;
char tmode[8];
switch(fd)
{
case 0:
- stdio = stdin;
+ stdio = PerlSIO_stdin;
break;
case 1:
- stdio = stdout;
+ stdio = PerlSIO_stdout;
break;
case 2:
- stdio = stderr;
+ stdio = PerlSIO_stderr;
break;
}
}
else
{
- stdio = fdopen(fd,mode = PerlIOStdio_mode(mode,tmode));
+ stdio = PerlSIO_fdopen(fd,mode = PerlIOStdio_mode(mode,tmode));
}
if (stdio)
{
- PerlIOStdio *s = PerlIOSelf(PerlIO_push(f = PerlIO_allocate(),self,mode),PerlIOStdio);
+ PerlIOStdio *s = PerlIOSelf(PerlIO_push(f = PerlIO_allocate(aTHX),self,mode),PerlIOStdio);
s->stdio = stdio;
}
}
PerlIO *
PerlIO_importFILE(FILE *stdio, int fl)
{
+ dTHX;
PerlIO *f = NULL;
if (stdio)
{
- PerlIOStdio *s = PerlIOSelf(PerlIO_push(f = PerlIO_allocate(),&PerlIO_stdio,"r+"),PerlIOStdio);
+ PerlIOStdio *s = PerlIOSelf(PerlIO_push(f = PerlIO_allocate(aTHX),&PerlIO_stdio,"r+"),PerlIOStdio);
s->stdio = stdio;
}
return f;
PerlIO *
PerlIOStdio_open(PerlIO_funcs *self, const char *path,const char *mode)
{
+ dTHX;
PerlIO *f = NULL;
- FILE *stdio = fopen(path,mode);
+ FILE *stdio = PerlSIO_fopen(path,mode);
if (stdio)
{
char tmode[8];
- PerlIOStdio *s = PerlIOSelf(PerlIO_push(f = PerlIO_allocate(), self,
+ PerlIOStdio *s = PerlIOSelf(PerlIO_push(f = PerlIO_allocate(aTHX), self,
(mode = PerlIOStdio_mode(mode,tmode))),
PerlIOStdio);
s->stdio = stdio;
int
PerlIOStdio_reopen(const char *path, const char *mode, PerlIO *f)
{
+ dTHX;
PerlIOStdio *s = PerlIOSelf(f,PerlIOStdio);
char tmode[8];
- FILE *stdio = freopen(path,(mode = PerlIOStdio_mode(mode,tmode)),s->stdio);
+ FILE *stdio = PerlSIO_freopen(path,(mode = PerlIOStdio_mode(mode,tmode)),s->stdio);
if (!s->stdio)
return -1;
s->stdio = stdio;
SSize_t
PerlIOStdio_read(PerlIO *f, void *vbuf, Size_t count)
{
+ dTHX;
FILE *s = PerlIOSelf(f,PerlIOStdio)->stdio;
SSize_t got = 0;
if (count == 1)
/* Perl is expecting PerlIO_getc() to fill the buffer
* Linux's stdio does not do that for fread()
*/
- int ch = fgetc(s);
+ int ch = PerlSIO_fgetc(s);
if (ch != EOF)
{
*buf = ch;
}
}
else
- got = fread(vbuf,1,count,s);
+ got = PerlSIO_fread(vbuf,1,count,s);
return got;
}
SSize_t
PerlIOStdio_unread(PerlIO *f, const void *vbuf, Size_t count)
{
+ dTHX;
FILE *s = PerlIOSelf(f,PerlIOStdio)->stdio;
STDCHAR *buf = ((STDCHAR *)vbuf)+count-1;
SSize_t unread = 0;
while (count > 0)
{
int ch = *buf-- & 0xff;
- if (ungetc(ch,s) != ch)
+ if (PerlSIO_ungetc(ch,s) != ch)
break;
unread++;
count--;
SSize_t
PerlIOStdio_write(PerlIO *f, const void *vbuf, Size_t count)
{
- return fwrite(vbuf,1,count,PerlIOSelf(f,PerlIOStdio)->stdio);
+ dTHX;
+ return PerlSIO_fwrite(vbuf,1,count,PerlIOSelf(f,PerlIOStdio)->stdio);
}
IV
PerlIOStdio_seek(PerlIO *f, Off_t offset, int whence)
{
+ dTHX;
FILE *stdio = PerlIOSelf(f,PerlIOStdio)->stdio;
- return fseek(stdio,offset,whence);
+ return PerlSIO_fseek(stdio,offset,whence);
}
Off_t
PerlIOStdio_tell(PerlIO *f)
{
+ dTHX;
FILE *stdio = PerlIOSelf(f,PerlIOStdio)->stdio;
- return ftell(stdio);
+ return PerlSIO_ftell(stdio);
}
IV
PerlIOStdio_close(PerlIO *f)
{
+ dTHX;
int optval, optlen = sizeof(int);
FILE *stdio = PerlIOSelf(f,PerlIOStdio)->stdio;
return(
(getsockopt(PerlIO_fileno(f), SOL_SOCKET, SO_TYPE, (char *)&optval, &optlen) < 0) ?
- fclose(stdio) :
+ PerlSIO_fclose(stdio) :
close(PerlIO_fileno(f)));
}
IV
PerlIOStdio_flush(PerlIO *f)
{
+ dTHX;
FILE *stdio = PerlIOSelf(f,PerlIOStdio)->stdio;
if (PerlIOBase(f)->flags & PERLIO_F_CANWRITE)
{
- return fflush(stdio);
+ return PerlSIO_fflush(stdio);
}
else
{
*/
/* Not writeable - sync by attempting a seek */
int err = errno;
- if (fseek(stdio,(Off_t) 0, SEEK_CUR) != 0)
+ if (PerlSIO_fseek(stdio,(Off_t) 0, SEEK_CUR) != 0)
errno = err;
#endif
}
IV
PerlIOStdio_fill(PerlIO *f)
{
+ dTHX;
FILE *stdio = PerlIOSelf(f,PerlIOStdio)->stdio;
int c;
/* fflush()ing read-only streams can cause trouble on some stdio-s */
if ((PerlIOBase(f)->flags & PERLIO_F_CANWRITE))
{
- if (fflush(stdio) != 0)
+ if (PerlSIO_fflush(stdio) != 0)
return EOF;
}
- c = fgetc(stdio);
- if (c == EOF || ungetc(c,stdio) != c)
+ c = PerlSIO_fgetc(stdio);
+ if (c == EOF || PerlSIO_ungetc(c,stdio) != c)
return EOF;
return 0;
}
IV
PerlIOStdio_eof(PerlIO *f)
{
- return feof(PerlIOSelf(f,PerlIOStdio)->stdio);
+ dTHX;
+ return PerlSIO_feof(PerlIOSelf(f,PerlIOStdio)->stdio);
}
IV
PerlIOStdio_error(PerlIO *f)
{
- return ferror(PerlIOSelf(f,PerlIOStdio)->stdio);
+ dTHX;
+ return PerlSIO_ferror(PerlIOSelf(f,PerlIOStdio)->stdio);
}
void
PerlIOStdio_clearerr(PerlIO *f)
{
- clearerr(PerlIOSelf(f,PerlIOStdio)->stdio);
+ dTHX;
+ PerlSIO_clearerr(PerlIOSelf(f,PerlIOStdio)->stdio);
}
void
PerlIOStdio_setlinebuf(PerlIO *f)
{
+ dTHX;
#ifdef HAS_SETLINEBUF
- setlinebuf(PerlIOSelf(f,PerlIOStdio)->stdio);
+ PerlSIO_setlinebuf(PerlIOSelf(f,PerlIOStdio)->stdio);
#else
- setvbuf(PerlIOSelf(f,PerlIOStdio)->stdio, Nullch, _IOLBF, 0);
+ PerlSIO_setvbuf(PerlIOSelf(f,PerlIOStdio)->stdio, Nullch, _IOLBF, 0);
#endif
}
STDCHAR *
PerlIOStdio_get_base(PerlIO *f)
{
+ dTHX;
FILE *stdio = PerlIOSelf(f,PerlIOStdio)->stdio;
- return FILE_base(stdio);
+ return PerlSIO_get_base(stdio);
}
Size_t
PerlIOStdio_get_bufsiz(PerlIO *f)
{
+ dTHX;
FILE *stdio = PerlIOSelf(f,PerlIOStdio)->stdio;
- return FILE_bufsiz(stdio);
+ return PerlSIO_get_bufsiz(stdio);
}
#endif
STDCHAR *
PerlIOStdio_get_ptr(PerlIO *f)
{
+ dTHX;
FILE *stdio = PerlIOSelf(f,PerlIOStdio)->stdio;
- return FILE_ptr(stdio);
+ return PerlSIO_get_ptr(stdio);
}
SSize_t
PerlIOStdio_get_cnt(PerlIO *f)
{
+ dTHX;
FILE *stdio = PerlIOSelf(f,PerlIOStdio)->stdio;
- return FILE_cnt(stdio);
+ return PerlSIO_get_cnt(stdio);
}
void
PerlIOStdio_set_ptrcnt(PerlIO *f,STDCHAR *ptr,SSize_t cnt)
{
+ dTHX;
FILE *stdio = PerlIOSelf(f,PerlIOStdio)->stdio;
if (ptr != NULL)
{
#ifdef STDIO_PTR_LVALUE
- FILE_ptr(stdio) = ptr;
+ PerlSIO_set_ptr(stdio,ptr);
#ifdef STDIO_PTR_LVAL_SETS_CNT
- if (FILE_cnt(stdio) != (cnt))
+ if (PerlSIO_get_cnt(stdio) != (cnt))
{
dTHX;
- assert(FILE_cnt(stdio) == (cnt));
+ assert(PerlSIO_get_cnt(stdio) == (cnt));
}
#endif
#if (!defined(STDIO_PTR_LVAL_NOCHANGE_CNT))
return;
#endif
#else /* STDIO_PTR_LVALUE */
- abort();
+ PerlProc_abort();
#endif /* STDIO_PTR_LVALUE */
}
/* Now (or only) set cnt */
#ifdef STDIO_CNT_LVALUE
- FILE_cnt(stdio) = cnt;
+ PerlSIO_set_cnt(stdio,cnt);
#else /* STDIO_CNT_LVALUE */
#if (defined(STDIO_PTR_LVALUE) && defined(STDIO_PTR_LVAL_SETS_CNT))
- FILE_ptr(stdio) = FILE_ptr(stdio)+(FILE_cnt(stdio)-cnt);
+ PerlSIO_set_ptr(stdio,PerlSIO_get_ptr(stdio)+(PerlSIO_get_cnt(stdio)-cnt));
#else /* STDIO_PTR_LVAL_SETS_CNT */
- abort();
+ PerlProc_abort();
#endif /* STDIO_PTR_LVAL_SETS_CNT */
#endif /* STDIO_CNT_LVALUE */
}
/*--------------------------------------------------------------------------------------*/
/* perlio buffer layer */
+IV
+PerlIOBuf_pushed(PerlIO *f, const char *mode)
+{
+ PerlIOBuf *b = PerlIOSelf(f,PerlIOBuf);
+ b->posn = PerlIO_tell(PerlIONext(f));
+ return PerlIOBase_pushed(f,mode);
+}
+
PerlIO *
PerlIOBuf_fdopen(PerlIO_funcs *self, int fd, const char *mode)
{
+ dTHX;
PerlIO_funcs *tab = PerlIO_default_btm();
int init = 0;
PerlIO *f;
if (f)
{
PerlIOBuf *b = PerlIOSelf(PerlIO_push(f,self,mode),PerlIOBuf);
- b->posn = PerlIO_tell(PerlIONext(f));
if (init && fd == 2)
{
/* Initial stderr is unbuffered */
PerlIOBase(f)->flags |= PERLIO_F_UNBUF;
}
+#if 0
PerlIO_debug("PerlIOBuf_fdopen %s f=%p fd=%d m=%s fl=%08"UVxf"\n",
self->name,f,fd,mode,PerlIOBase(f)->flags);
+#endif
}
return f;
}
PerlIO *f = (*tab->Open)(tab,path,mode);
if (f)
{
- PerlIOBuf *b = PerlIOSelf(PerlIO_push(f,self,mode),PerlIOBuf);
- b->posn = PerlIO_tell(PerlIONext(f));
+ PerlIO_push(f,self,mode);
}
return f;
}
int code = (*PerlIOBase(next)->tab->Reopen)(path,mode,next);
if (code = 0)
code = (*PerlIOBase(f)->tab->Pushed)(f,mode);
- if (code == 0)
- {
- PerlIOBuf *b = PerlIOSelf(f,PerlIOBuf);
- b->posn = PerlIO_tell(PerlIONext(f));
- }
return code;
}
if (PerlIOBase(f)->flags & PERLIO_F_RDBUF)
{
avail = (b->ptr - b->buf);
- if (avail > (SSize_t) count)
- avail = count;
- b->ptr -= avail;
}
else
{
avail = b->bufsiz;
- if (avail > (SSize_t) count)
- avail = count;
- b->end = b->ptr + avail;
+ b->end = b->buf + avail;
+ b->ptr = b->end;
+ PerlIOBase(f)->flags |= PERLIO_F_RDBUF;
+ b->posn -= b->bufsiz;
}
+ if (avail > (SSize_t) count)
+ avail = count;
if (avail > 0)
{
+ b->ptr -= avail;
buf -= avail;
if (buf != b->ptr)
{
IV
PerlIOBuf_seek(PerlIO *f, Off_t offset, int whence)
{
- PerlIOBuf *b = PerlIOSelf(f,PerlIOBuf);
- int code = PerlIO_flush(f);
- if (code == 0)
+ IV code;
+ if ((code = PerlIO_flush(f)) == 0)
{
+ PerlIOBuf *b = PerlIOSelf(f,PerlIOBuf);
PerlIOBase(f)->flags &= ~PERLIO_F_EOF;
code = PerlIO_seek(PerlIONext(f),offset,whence);
if (code == 0)
IV
PerlIOBuf_close(PerlIO *f)
{
+ dTHX;
IV code = PerlIOBase_close(f);
PerlIOBuf *b = PerlIOSelf(f,PerlIOBuf);
if (b->buf && b->buf != (STDCHAR *) &b->oneword)
{
- Safefree(b->buf);
+ PerlMemShared_free(b->buf);
}
b->buf = NULL;
b->ptr = b->end = b->buf;
PerlIOBuf *b = PerlIOSelf(f,PerlIOBuf);
if (!b->buf)
{
+ dTHX;
if (!b->bufsiz)
b->bufsiz = 4096;
- New('B',b->buf,b->bufsiz,STDCHAR);
+ b->buf = PerlMemShared_calloc(b->bufsiz,sizeof(STDCHAR));
if (!b->buf)
{
b->buf = (STDCHAR *)&b->oneword;
PerlIOBuf_fdopen,
PerlIOBuf_open,
PerlIOBuf_reopen,
- PerlIOBase_pushed,
+ PerlIOBuf_pushed,
PerlIOBase_noop_ok,
PerlIOBuf_read,
PerlIOBuf_unread,
};
/*--------------------------------------------------------------------------------------*/
+/* Temp layer to hold unread chars when cannot do it any other way */
+
+IV
+PerlIOPending_fill(PerlIO *f)
+{
+ /* Should never happen */
+ PerlIO_flush(f);
+ return 0;
+}
+
+IV
+PerlIOPending_close(PerlIO *f)
+{
+ /* A tad tricky - flush pops us, then we close new top */
+ PerlIO_flush(f);
+ return PerlIO_close(f);
+}
+
+IV
+PerlIOPending_seek(PerlIO *f, Off_t offset, int whence)
+{
+ /* A tad tricky - flush pops us, then we seek new top */
+ PerlIO_flush(f);
+ return PerlIO_seek(f,offset,whence);
+}
+
+
+IV
+PerlIOPending_flush(PerlIO *f)
+{
+ PerlIOBuf *b = PerlIOSelf(f,PerlIOBuf);
+ if (b->buf && b->buf != (STDCHAR *) &b->oneword)
+ {
+ dTHX;
+ PerlMemShared_free(b->buf);
+ b->buf = NULL;
+ }
+ PerlIO_pop(f);
+ return 0;
+}
+
+void
+PerlIOPending_set_ptrcnt(PerlIO *f, STDCHAR *ptr, SSize_t cnt)
+{
+ if (cnt <= 0)
+ {
+ PerlIO_flush(f);
+ }
+ else
+ {
+ PerlIOBuf_set_ptrcnt(f,ptr,cnt);
+ }
+}
+
+IV
+PerlIOPending_pushed(PerlIO *f,const char *mode)
+{
+ IV code = PerlIOBuf_pushed(f,mode);
+ PerlIOl *l = PerlIOBase(f);
+ /* Our PerlIO_fast_gets must match what we are pushed on,
+ or sv_gets() etc. get muddled when it changes mid-string
+ when we auto-pop.
+ */
+ l->flags = (l->flags & ~PERLIO_F_FASTGETS) |
+ (PerlIOBase(PerlIONext(f))->flags & PERLIO_F_FASTGETS);
+ return code;
+}
+
+SSize_t
+PerlIOPending_read(PerlIO *f, void *vbuf, Size_t count)
+{
+ SSize_t avail = PerlIO_get_cnt(f);
+ SSize_t got = 0;
+ if (count < avail)
+ avail = count;
+ if (avail > 0)
+ got = PerlIOBuf_read(f,vbuf,avail);
+ if (got < count)
+ got += PerlIO_read(f,((STDCHAR *) vbuf)+got,count-got);
+ return got;
+}
+
+
+PerlIO_funcs PerlIO_pending = {
+ "pending",
+ sizeof(PerlIOBuf),
+ PERLIO_K_BUFFERED,
+ PerlIOBase_fileno,
+ NULL,
+ NULL,
+ NULL,
+ PerlIOPending_pushed,
+ PerlIOBase_noop_ok,
+ PerlIOPending_read,
+ PerlIOBuf_unread,
+ PerlIOBuf_write,
+ PerlIOPending_seek,
+ PerlIOBuf_tell,
+ PerlIOPending_close,
+ PerlIOPending_flush,
+ PerlIOPending_fill,
+ PerlIOBase_eof,
+ PerlIOBase_error,
+ PerlIOBase_clearerr,
+ PerlIOBuf_setlinebuf,
+ PerlIOBuf_get_base,
+ PerlIOBuf_bufsiz,
+ PerlIOBuf_get_ptr,
+ PerlIOBuf_get_cnt,
+ PerlIOPending_set_ptrcnt,
+};
+
+
+
+/*--------------------------------------------------------------------------------------*/
/* crlf - translation
On read translate CR,LF to "\n" we do this by overriding ptr/cnt entries
to hand back a line at a time and keeping a record of which nl we "lied" about.
{
IV code;
PerlIOBase(f)->flags |= PERLIO_F_CRLF;
- code = PerlIOBase_pushed(f,mode);
+ code = PerlIOBuf_pushed(f,mode);
+#if 0
PerlIO_debug("PerlIOCrlf_pushed f=%p %s %s fl=%08"UVxf"\n",
f,PerlIOBase(f)->tab->name,(mode) ? mode : "(Null)",
PerlIOBase(f)->flags);
+#endif
return code;
}
{
b->end = b->ptr = b->buf + b->bufsiz;
PerlIOBase(f)->flags |= PERLIO_F_RDBUF;
+ b->posn -= b->bufsiz;
}
while (count > 0 && b->ptr > b->buf)
{
m->bbuf = b->buf;
}
}
- return PerlIOBuf_unread(f,vbuf,count);
+return PerlIOBuf_unread(f,vbuf,count);
}
SSize_t
PerlIOBuf_fdopen,
PerlIOBuf_open,
PerlIOBuf_reopen,
- PerlIOBase_pushed,
+ PerlIOBuf_pushed,
PerlIOBase_noop_ok,
PerlIOBuf_read,
PerlIOMmap_unread,
{
/* I have no idea how portable mkstemp() is ... */
#if defined(WIN32) || !defined(HAVE_MKSTEMP)
+ dTHX;
PerlIO *f = NULL;
- FILE *stdio = tmpfile();
+ FILE *stdio = PerlSIO_tmpfile();
if (stdio)
{
- PerlIOStdio *s = PerlIOSelf(PerlIO_push(f = PerlIO_allocate(),&PerlIO_stdio,"w+"),PerlIOStdio);
+ PerlIOStdio *s = PerlIOSelf(PerlIO_push(f = PerlIO_allocate(aTHX),&PerlIO_stdio,"w+"),PerlIOStdio);
s->stdio = stdio;
}
return f;
}
#endif
-#endif /* !PERL_IMPLICIT_SYS */
projects / p5sagit/p5-mst-13.2.git / blobdiff