-/*
- * Although we may not want stdio to be used including <stdio.h> here
- * avoids issues where stdio.h has strange side effects
+/* perlsdio.h
+ *
+ * Copyright (c) 1997-2002, Larry Wall
+ *
+ * You may distribute under the terms of either the GNU General Public
+ * License or the Artistic License, as specified in the README file.
+ *
*/
-#include <stdio.h>
#ifdef PERLIO_IS_STDIO
+
+#ifdef NETWARE
+ #include "nwstdio.h"
+#else
+
/*
+ * This file #define-s the PerlIO_xxx abstraction onto stdio functions.
* Make this as close to original stdio as possible.
*/
-#define PerlIO FILE
+#define PerlIO FILE
#define PerlIO_stderr() stderr
#define PerlIO_stdout() stdout
#define PerlIO_stdin() stdin
+#define PerlIO_isutf8(f) 0
+
#define PerlIO_printf fprintf
#define PerlIO_stdoutf printf
-#define PerlIO_vprintf(f,fmt,a) vfprintf(f,fmt,a)
-#define PerlIO_read(f,buf,count) fread(buf,1,count,f)
+#define PerlIO_vprintf(f,fmt,a) vfprintf(f,fmt,a)
#define PerlIO_write(f,buf,count) fwrite1(buf,1,count,f)
-#define PerlIO_open(path,mode) fopen(path,mode)
-#define PerlIO_fdopen(fd,mode) fdopen(fd,mode)
+#define PerlIO_unread(f,buf,count) (-1)
+#define PerlIO_open fopen
+#define PerlIO_fdopen fdopen
+#define PerlIO_reopen freopen
#define PerlIO_close(f) fclose(f)
#define PerlIO_puts(f,s) fputs(s,f)
#define PerlIO_putc(f,c) fputc(c,f)
-#define PerlIO_ungetc(f,c) ungetc(c,f)
-#define PerlIO_getc(f) getc(f)
+#if defined(VMS)
+# if defined(__DECC)
+ /* Unusual definition of ungetc() here to accomodate fast_sv_gets()'
+ * belief that it can mix getc/ungetc with reads from stdio buffer */
+ int decc$ungetc(int __c, FILE *__stream);
+# define PerlIO_ungetc(f,c) ((c) == EOF ? EOF : \
+ ((*(f) && !((*(f))->_flag & _IONBF) && \
+ ((*(f))->_ptr > (*(f))->_base)) ? \
+ ((*(f))->_cnt++, *(--(*(f))->_ptr) = (c)) : decc$ungetc(c,f)))
+# else
+# define PerlIO_ungetc(f,c) ungetc(c,f)
+# endif
+ /* Work around bug in DECCRTL/AXP (DECC v5.x) and some versions of old
+ * VAXCRTL which causes read from a pipe after EOF has been returned
+ * once to hang.
+ */
+# define PerlIO_getc(f) \
+ (feof(f) ? EOF : getc(f))
+# define PerlIO_read(f,buf,count) \
+ (feof(f) ? 0 : (SSize_t)fread(buf,1,count,f))
+# define PerlIO_tell(f) ftell(f)
+#else
+# define PerlIO_getc(f) getc(f)
+# define PerlIO_ungetc(f,c) ungetc(c,f)
+# define PerlIO_read(f,buf,count) (SSize_t)fread(buf,1,count,f)
+# define PerlIO_tell(f) ftell(f)
+#endif
#define PerlIO_eof(f) feof(f)
+#define PerlIO_getname(f,b) fgetname(f,b)
#define PerlIO_error(f) ferror(f)
#define PerlIO_fileno(f) fileno(f)
#define PerlIO_clearerr(f) clearerr(f)
#define PerlIO_flush(f) Fflush(f)
-#define PerlIO_tell(f) ftell(f)
-#define PerlIO_seek(f,o,w) fseek(f,o,w)
-#ifdef HAS_FGETPOS
-#define PerlIO_getpos(f,p) fgetpos(f,p)
-#endif
-#ifdef HAS_FSETPOS
-#define PerlIO_setpos(f,p) fsetpos(f,p)
+#if defined(VMS) && !defined(__DECC)
+/* Old VAXC RTL doesn't reset EOF on seek; Perl folk seem to expect this */
+#define PerlIO_seek(f,o,w) (((f) && (*f) && ((*f)->_flag &= ~_IOEOF)),fseek(f,o,w))
+#else
+# define PerlIO_seek(f,o,w) fseek(f,o,w)
#endif
#define PerlIO_rewind(f) rewind(f)
#define PerlIO_tmpfile() tmpfile()
-#define PerlIO_importFILE(f,fl) (f)
-#define PerlIO_exportFILE(f,fl) (f)
-#define PerlIO_findFILE(f) (f)
-#define PerlIO_releaseFILE(p,f) ((void) 0)
+#define PerlIO_importFILE(f,fl) (f)
+#define PerlIO_exportFILE(f,fl) (f)
+#define PerlIO_findFILE(f) (f)
+#define PerlIO_releaseFILE(p,f) ((void) 0)
#ifdef HAS_SETLINEBUF
#define PerlIO_setlinebuf(f) setlinebuf(f);
/* Now our interface to Configure's FILE_xxx macros */
#ifdef USE_STDIO_PTR
-#define PerlIO_has_cntptr(f) 1
-#define PerlIO_get_ptr(f) FILE_ptr(f)
-#define PerlIO_get_cnt(f) FILE_cnt(f)
-
-#ifdef FILE_CNT_LVALUE
-#define PerlIO_canset_cnt(f) 1
-#ifdef FILE_PTR_LVALUE
-#define PerlIO_fast_gets(f) 1
+#define PerlIO_has_cntptr(f) 1
+#define PerlIO_get_ptr(f) FILE_ptr(f)
+#define PerlIO_get_cnt(f) FILE_cnt(f)
+
+#ifdef STDIO_CNT_LVALUE
+#define PerlIO_canset_cnt(f) 1
+#define PerlIO_set_cnt(f,c) (FILE_cnt(f) = (c))
+#ifdef STDIO_PTR_LVALUE
+#ifdef STDIO_PTR_LVAL_NOCHANGE_CNT
+#define PerlIO_fast_gets(f) 1
#endif
-#define PerlIO_set_cnt(f,c) (FILE_cnt(f) = (c))
-#else
-#define PerlIO_canset_cnt(f) 0
+#endif /* STDIO_PTR_LVALUE */
+#else /* STDIO_CNT_LVALUE */
+#define PerlIO_canset_cnt(f) 0
#define PerlIO_set_cnt(f,c) abort()
#endif
-#ifdef FILE_PTR_LVALUE
-#define PerlIO_set_ptrcnt(f,p,c) (FILE_ptr(f) = (p), PerlIO_set_cnt(f,c))
+#ifdef STDIO_PTR_LVALUE
+#ifdef STDIO_PTR_LVAL_NOCHANGE_CNT
+#define PerlIO_set_ptrcnt(f,p,c) STMT_START {FILE_ptr(f) = (p), PerlIO_set_cnt(f,c);} STMT_END
+#else
+#ifdef STDIO_PTR_LVAL_SETS_CNT
+/* assert() may pre-process to ""; potential syntax error (FILE_ptr(), ) */
+#define PerlIO_set_ptrcnt(f,p,c) STMT_START {FILE_ptr(f) = (p); assert(FILE_cnt(f) == (c));} STMT_END
+#define PerlIO_fast_gets(f) 1
#else
#define PerlIO_set_ptrcnt(f,p,c) abort()
#endif
+#endif
+#endif
#else /* USE_STDIO_PTR */
#define PerlIO_has_cntptr(f) 0
-#define PerlIO_get_cnt(f) abort()
-#define PerlIO_get_ptr(f) abort()
+#define PerlIO_canset_cnt(f) 0
+#define PerlIO_get_cnt(f) (abort(),0)
+#define PerlIO_get_ptr(f) (abort(),(void *)0)
#define PerlIO_set_cnt(f,c) abort()
#define PerlIO_set_ptrcnt(f,p,c) abort()
#endif /* USE_STDIO_PTR */
#ifndef PerlIO_fast_gets
-#define PerlIO_fast_gets(f) 0
+#define PerlIO_fast_gets(f) 0
#endif
#ifdef FILE_base
-#define PerlIO_has_base(f) 1
-#define PerlIO_get_base(f) FILE_base(f)
-#define PerlIO_get_bufsiz(f) FILE_bufsiz(f)
+#define PerlIO_has_base(f) 1
+#define PerlIO_get_base(f) FILE_base(f)
+#define PerlIO_get_bufsiz(f) FILE_bufsiz(f)
#else
#define PerlIO_has_base(f) 0
-#define PerlIO_get_base(f) abort()
-#define PerlIO_get_bufsiz(f) abort()
-#endif
-#else /* PERLIO_IS_STDIO */
-#ifdef PERL_CORE
-#ifndef PERLIO_NOT_STDIO
-#define PERLIO_NOT_STDIO 1
-#endif
-#endif
-#ifdef PERLIO_NOT_STDIO
-#if PERLIO_NOT_STDIO
-/*
- * Strong denial of stdio - make all stdio calls (we can think of) errors
- */
-#include "nostdio.h"
-#define fprintf _CANNOT _fprintf_
-#define stdin _CANNOT _stdin_
-#define stdout _CANNOT _stdout_
-#define stderr _CANNOT _stderr_
-#define tmpfile() _CANNOT _tmpfile_
-#define fclose(f) _CANNOT _fclose_
-#define fflush(f) _CANNOT _fflush_
-#define fopen(p,m) _CANNOT _fopen_
-#define freopen(p,m,f) _CANNOT _freopen_
-#define setbuf(f,b) _CANNOT _setbuf_
-#define setvbuf(f,b,x,s) _CANNOT _setvbuf_
-#define fscanf _CANNOT _fscanf_
-#define vfprintf(f,fmt,a) _CANNOT _vfprintf_
-#define fgetc(f) _CANNOT _fgetc_
-#define fgets(s,n,f) _CANNOT _fgets_
-#define fputc(c,f) _CANNOT _fputc_
-#define fputs(s,f) _CANNOT _fputs_
-#define getc(f) _CANNOT _getc_
-#define putc(c,f) _CANNOT _putc_
-#define ungetc(c,f) _CANNOT _ungetc_
-#define fread(b,s,c,f) _CANNOT _fread_
-#define fwrite(b,s,c,f) _CANNOT _fwrite_
-#define fgetpos(f,p) _CANNOT _fgetpos_
-#define fseek(f,o,w) _CANNOT _fseek_
-#define fsetpos(f,p) _CANNOT _fsetpos_
-#define ftell(f) _CANNOT _ftell_
-#define rewind(f) _CANNOT _rewind_
-#define clearerr(f) _CANNOT _clearerr_
-#define feof(f) _CANNOT _feof_
-#define ferror(f) _CANNOT _ferror_
-#define __filbuf(f) _CANNOT __filbuf_
-#define __flsbuf(c,f) _CANNOT __flsbuf_
-#define _filbuf(f) _CANNOT _filbuf_
-#define _flsbuf(c,f) _CANNOT _flsbuf_
-#define fdopen(fd,p) _CANNOT _fdopen_
-#define fileno(f) _CANNOT _fileno_
-#define flockfile(f) _CANNOT _flockfile_
-#define ftrylockfile(f) _CANNOT _ftrylockfile_
-#define funlockfile(f) _CANNOT _funlockfile_
-#define getc_unlocked(f) _CANNOT _getc_unlocked_
-#define putc_unlocked(c,f) _CANNOT _putc_unlocked_
-#define popen(c,m) _CANNOT _popen_
-#define getw(f) _CANNOT _getw_
-#define putw(v,f) _CANNOT _putw_
-#define pclose(f) _CANNOT _pclose_
-
-#else /* if PERLIO_NOT_STDIO */
-/*
- * PERLIO_NOT_STDIO defined as 0
- * Declares that both PerlIO and stdio can be used
- */
-#endif /* if PERLIO_NOT_STDIO */
-#else /* ifdef PERLIO_NOT_STDIO */
-/*
- * PERLIO_NOT_STDIO not defined
- * This is "source level" stdio compatibility mode.
- */
-#include "nostdio.h"
-#undef FILE
-#define FILE PerlIO
-#define fprintf PerlIO_printf
-#define stdin PerlIO_stdin()
-#define stdout PerlIO_stdout()
-#define stderr PerlIO_stderr()
-#define tmpfile() PerlIO_tmpfile()
-#define fclose(f) PerlIO_close(f)
-#define fflush(f) PerlIO_flush(f)
-#define fopen(p,m) PerlIO_open(p,m)
-#define vfprintf(f,fmt,a) PerlIO_vprintf(f,fmt,a)
-#define fgetc(f) PerlIO_getc(f)
-#define fputc(c,f) PerlIO_putc(f,c)
-#define fputs(s,f) PerlIO_puts(f,s)
-#define getc(f) PerlIO_getc(f)
-#define getc_unlocked(f) PerlIO_getc(f)
-#define putc(c,f) PerlIO_putc(f,c)
-#define putc_unlocked(c,f) PerlIO_putc(c,f)
-#define ungetc(c,f) PerlIO_ungetc(f,c)
-#if 0
-/* return values of read/write need work */
-#define fread(b,s,c,f) PerlIO_read(f,b,(s*c))
-#define fwrite(b,s,c,f) PerlIO_write(f,b,(s*c))
-#else
-#define fread(b,s,c,f) _CANNOT fread
-#define fwrite(b,s,c,f) _CANNOT fwrite
+#define PerlIO_get_base(f) (abort(),(void *)0)
+#define PerlIO_get_bufsiz(f) (abort(),0)
#endif
-#define fgetpos(f,p) PerlIO_getpos(f,p)
-#define fseek(f,o,w) PerlIO_seek(f,o,w)
-#define fsetpos(f,p) PerlIO_setpos(f,p)
-#define ftell(f) PerlIO_tell(f)
-#define rewind(f) PerlIO_rewind(f)
-#define clearerr(f) PerlIO_clearerr(f)
-#define feof(f) PerlIO_eof(f)
-#define ferror(f) PerlIO_error(f)
-#define fdopen(fd,p) PerlIO_fdopen(fd,p)
-#define fileno(f) PerlIO_fileno(f)
-#define popen(c,m) my_popen(c,m)
-#define pclose(f) my_pclose(f)
-
-#define __filbuf(f) _CANNOT __filbuf_
-#define _filbuf(f) _CANNOT _filbuf_
-#define __flsbuf(c,f) _CANNOT __flsbuf_
-#define _flsbuf(c,f) _CANNOT _flsbuf_
-#define getw(f) _CANNOT _getw_
-#define putw(v,f) _CANNOT _putw_
-#define flockfile(f) _CANNOT _flockfile_
-#define ftrylockfile(f) _CANNOT _ftrylockfile_
-#define funlockfile(f) _CANNOT _funlockfile_
-#define freopen(p,m,f) _CANNOT _freopen_
-#define setbuf(f,b) _CANNOT _setbuf_
-#define setvbuf(f,b,x,s) _CANNOT _setvbuf_
-#define fscanf _CANNOT _fscanf_
-#define fgets(s,n,f) _CANNOT _fgets_
-
-#endif /* ifdef PERLIO_NOT_STDIO */
+
+#endif /* NETWARE */
#endif /* PERLIO_IS_STDIO */