Maintenance 5.004_04 changes
[p5sagit/p5-mst-13.2.git] / perlsdio.h
CommitLineData
760ac839 1/*
2 * Although we may not want stdio to be used including <stdio.h> here
3 * avoids issues where stdio.h has strange side effects
4 */
5#include <stdio.h>
6
7#ifdef PERLIO_IS_STDIO
8/*
9 * Make this as close to original stdio as possible.
10 */
11#define PerlIO FILE
12#define PerlIO_stderr() stderr
13#define PerlIO_stdout() stdout
14#define PerlIO_stdin() stdin
15
16#define PerlIO_printf fprintf
17#define PerlIO_stdoutf printf
18#define PerlIO_vprintf(f,fmt,a) vfprintf(f,fmt,a)
760ac839 19#define PerlIO_write(f,buf,count) fwrite1(buf,1,count,f)
c7ae39e5 20#define PerlIO_open fopen
21#define PerlIO_fdopen fdopen
22#define PerlIO_reopen freopen
760ac839 23#define PerlIO_close(f) fclose(f)
24#define PerlIO_puts(f,s) fputs(s,f)
25#define PerlIO_putc(f,c) fputc(c,f)
9607fc9c 26#if defined(VMS)
27# if defined(__DECC)
28 /* Unusual definition of ungetc() here to accomodate fast_sv_gets()'
29 * belief that it can mix getc/ungetc with reads from stdio buffer */
30 int decc$ungetc(int __c, FILE *__stream);
31# define PerlIO_ungetc(f,c) ((c) == EOF ? EOF : \
32 ((*(f) && !((*(f))->_flag & _IONBF) && \
33 ((*(f))->_ptr > (*(f))->_base)) ? \
34 ((*(f))->_cnt++, *(--(*(f))->_ptr) = (c)) : decc$ungetc(c,f)))
35# else
36# define PerlIO_ungetc(f,c) ungetc(c,f)
37# endif
38 /* Work around bug in DECCRTL/AXP (DECC v5.x) and some versions of old
39 * VAXCRTL which causes read from a pipe after EOF has been returned
40 * once to hang.
aa689395 41 */
5b54f415 42# define PerlIO_getc(f) \
43 (feof(f) ? EOF : getc(f))
44# define PerlIO_read(f,buf,count) \
45 (feof(f) ? 0 : (SSize_t)fread(buf,1,count,f))
1ac5d68d 46#else
47# define PerlIO_ungetc(f,c) ungetc(c,f)
aa689395 48# define PerlIO_getc(f) getc(f)
5b54f415 49# define PerlIO_read(f,buf,count) (SSize_t)fread(buf,1,count,f)
1ac5d68d 50#endif
760ac839 51#define PerlIO_eof(f) feof(f)
c7ae39e5 52#define PerlIO_getname(f,b) fgetname(f,b)
760ac839 53#define PerlIO_error(f) ferror(f)
54#define PerlIO_fileno(f) fileno(f)
55#define PerlIO_clearerr(f) clearerr(f)
56#define PerlIO_flush(f) Fflush(f)
57#define PerlIO_tell(f) ftell(f)
58#define PerlIO_seek(f,o,w) fseek(f,o,w)
59#ifdef HAS_FGETPOS
60#define PerlIO_getpos(f,p) fgetpos(f,p)
61#endif
62#ifdef HAS_FSETPOS
63#define PerlIO_setpos(f,p) fsetpos(f,p)
64#endif
65
66#define PerlIO_rewind(f) rewind(f)
67#define PerlIO_tmpfile() tmpfile()
68
69#define PerlIO_importFILE(f,fl) (f)
70#define PerlIO_exportFILE(f,fl) (f)
71#define PerlIO_findFILE(f) (f)
72#define PerlIO_releaseFILE(p,f) ((void) 0)
73
74#ifdef HAS_SETLINEBUF
75#define PerlIO_setlinebuf(f) setlinebuf(f);
76#else
77#define PerlIO_setlinebuf(f) setvbuf(f, Nullch, _IOLBF, 0);
78#endif
79
80/* Now our interface to Configure's FILE_xxx macros */
81
82#ifdef USE_STDIO_PTR
83#define PerlIO_has_cntptr(f) 1
84#define PerlIO_get_ptr(f) FILE_ptr(f)
85#define PerlIO_get_cnt(f) FILE_cnt(f)
86
c7ae39e5 87#ifdef STDIO_CNT_LVALUE
760ac839 88#define PerlIO_canset_cnt(f) 1
c7ae39e5 89#ifdef STDIO_PTR_LVALUE
760ac839 90#define PerlIO_fast_gets(f) 1
91#endif
92#define PerlIO_set_cnt(f,c) (FILE_cnt(f) = (c))
93#else
94#define PerlIO_canset_cnt(f) 0
95#define PerlIO_set_cnt(f,c) abort()
96#endif
97
c7ae39e5 98#ifdef STDIO_PTR_LVALUE
760ac839 99#define PerlIO_set_ptrcnt(f,p,c) (FILE_ptr(f) = (p), PerlIO_set_cnt(f,c))
100#else
101#define PerlIO_set_ptrcnt(f,p,c) abort()
102#endif
103
104#else /* USE_STDIO_PTR */
105
106#define PerlIO_has_cntptr(f) 0
c7ae39e5 107#define PerlIO_canset_cnt(f) 0
33dcbb9a 108#define PerlIO_get_cnt(f) (abort(),0)
324aa91a 109#define PerlIO_get_ptr(f) (abort(),(void *)0)
760ac839 110#define PerlIO_set_cnt(f,c) abort()
111#define PerlIO_set_ptrcnt(f,p,c) abort()
112
113#endif /* USE_STDIO_PTR */
114
115#ifndef PerlIO_fast_gets
116#define PerlIO_fast_gets(f) 0
117#endif
118
119
120#ifdef FILE_base
121#define PerlIO_has_base(f) 1
122#define PerlIO_get_base(f) FILE_base(f)
123#define PerlIO_get_bufsiz(f) FILE_bufsiz(f)
124#else
125#define PerlIO_has_base(f) 0
324aa91a 126#define PerlIO_get_base(f) (abort(),(void *)0)
33dcbb9a 127#define PerlIO_get_bufsiz(f) (abort(),0)
760ac839 128#endif
129#else /* PERLIO_IS_STDIO */
130#ifdef PERL_CORE
131#ifndef PERLIO_NOT_STDIO
132#define PERLIO_NOT_STDIO 1
133#endif
134#endif
135#ifdef PERLIO_NOT_STDIO
136#if PERLIO_NOT_STDIO
137/*
138 * Strong denial of stdio - make all stdio calls (we can think of) errors
139 */
140#include "nostdio.h"
33dcbb9a 141#undef fprintf
142#undef tmpfile
143#undef fclose
144#undef fopen
145#undef vfprintf
146#undef fgetc
147#undef fputc
148#undef fputs
149#undef ungetc
150#undef fread
151#undef fwrite
152#undef fgetpos
153#undef fseek
154#undef fsetpos
155#undef ftell
156#undef rewind
157#undef fdopen
158#undef popen
159#undef pclose
160#undef getw
161#undef putw
162#undef freopen
163#undef setbuf
164#undef setvbuf
165#undef fscanf
166#undef fgets
1ac5d68d 167#undef getc_unlocked
168#undef putc_unlocked
760ac839 169#define fprintf _CANNOT _fprintf_
170#define stdin _CANNOT _stdin_
171#define stdout _CANNOT _stdout_
172#define stderr _CANNOT _stderr_
173#define tmpfile() _CANNOT _tmpfile_
174#define fclose(f) _CANNOT _fclose_
175#define fflush(f) _CANNOT _fflush_
176#define fopen(p,m) _CANNOT _fopen_
177#define freopen(p,m,f) _CANNOT _freopen_
178#define setbuf(f,b) _CANNOT _setbuf_
179#define setvbuf(f,b,x,s) _CANNOT _setvbuf_
180#define fscanf _CANNOT _fscanf_
181#define vfprintf(f,fmt,a) _CANNOT _vfprintf_
182#define fgetc(f) _CANNOT _fgetc_
183#define fgets(s,n,f) _CANNOT _fgets_
184#define fputc(c,f) _CANNOT _fputc_
185#define fputs(s,f) _CANNOT _fputs_
186#define getc(f) _CANNOT _getc_
187#define putc(c,f) _CANNOT _putc_
188#define ungetc(c,f) _CANNOT _ungetc_
189#define fread(b,s,c,f) _CANNOT _fread_
190#define fwrite(b,s,c,f) _CANNOT _fwrite_
191#define fgetpos(f,p) _CANNOT _fgetpos_
192#define fseek(f,o,w) _CANNOT _fseek_
193#define fsetpos(f,p) _CANNOT _fsetpos_
194#define ftell(f) _CANNOT _ftell_
195#define rewind(f) _CANNOT _rewind_
196#define clearerr(f) _CANNOT _clearerr_
197#define feof(f) _CANNOT _feof_
198#define ferror(f) _CANNOT _ferror_
199#define __filbuf(f) _CANNOT __filbuf_
200#define __flsbuf(c,f) _CANNOT __flsbuf_
201#define _filbuf(f) _CANNOT _filbuf_
202#define _flsbuf(c,f) _CANNOT _flsbuf_
203#define fdopen(fd,p) _CANNOT _fdopen_
204#define fileno(f) _CANNOT _fileno_
205#define flockfile(f) _CANNOT _flockfile_
206#define ftrylockfile(f) _CANNOT _ftrylockfile_
207#define funlockfile(f) _CANNOT _funlockfile_
208#define getc_unlocked(f) _CANNOT _getc_unlocked_
209#define putc_unlocked(c,f) _CANNOT _putc_unlocked_
210#define popen(c,m) _CANNOT _popen_
211#define getw(f) _CANNOT _getw_
212#define putw(v,f) _CANNOT _putw_
213#define pclose(f) _CANNOT _pclose_
214
215#else /* if PERLIO_NOT_STDIO */
216/*
217 * PERLIO_NOT_STDIO defined as 0
218 * Declares that both PerlIO and stdio can be used
219 */
220#endif /* if PERLIO_NOT_STDIO */
221#else /* ifdef PERLIO_NOT_STDIO */
222/*
223 * PERLIO_NOT_STDIO not defined
224 * This is "source level" stdio compatibility mode.
225 */
226#include "nostdio.h"
227#undef FILE
228#define FILE PerlIO
33dcbb9a 229#undef fprintf
230#undef tmpfile
231#undef fclose
232#undef fopen
233#undef vfprintf
234#undef fgetc
235#undef fputc
236#undef fputs
237#undef ungetc
238#undef fread
239#undef fwrite
240#undef fgetpos
241#undef fseek
242#undef fsetpos
243#undef ftell
244#undef rewind
245#undef fdopen
246#undef popen
247#undef pclose
248#undef getw
249#undef putw
250#undef freopen
251#undef setbuf
252#undef setvbuf
253#undef fscanf
254#undef fgets
760ac839 255#define fprintf PerlIO_printf
256#define stdin PerlIO_stdin()
257#define stdout PerlIO_stdout()
258#define stderr PerlIO_stderr()
259#define tmpfile() PerlIO_tmpfile()
260#define fclose(f) PerlIO_close(f)
261#define fflush(f) PerlIO_flush(f)
262#define fopen(p,m) PerlIO_open(p,m)
263#define vfprintf(f,fmt,a) PerlIO_vprintf(f,fmt,a)
264#define fgetc(f) PerlIO_getc(f)
265#define fputc(c,f) PerlIO_putc(f,c)
266#define fputs(s,f) PerlIO_puts(f,s)
267#define getc(f) PerlIO_getc(f)
268#define getc_unlocked(f) PerlIO_getc(f)
269#define putc(c,f) PerlIO_putc(f,c)
270#define putc_unlocked(c,f) PerlIO_putc(c,f)
271#define ungetc(c,f) PerlIO_ungetc(f,c)
272#if 0
273/* return values of read/write need work */
274#define fread(b,s,c,f) PerlIO_read(f,b,(s*c))
275#define fwrite(b,s,c,f) PerlIO_write(f,b,(s*c))
276#else
277#define fread(b,s,c,f) _CANNOT fread
278#define fwrite(b,s,c,f) _CANNOT fwrite
279#endif
280#define fgetpos(f,p) PerlIO_getpos(f,p)
281#define fseek(f,o,w) PerlIO_seek(f,o,w)
282#define fsetpos(f,p) PerlIO_setpos(f,p)
283#define ftell(f) PerlIO_tell(f)
284#define rewind(f) PerlIO_rewind(f)
285#define clearerr(f) PerlIO_clearerr(f)
286#define feof(f) PerlIO_eof(f)
287#define ferror(f) PerlIO_error(f)
288#define fdopen(fd,p) PerlIO_fdopen(fd,p)
289#define fileno(f) PerlIO_fileno(f)
290#define popen(c,m) my_popen(c,m)
291#define pclose(f) my_pclose(f)
292
293#define __filbuf(f) _CANNOT __filbuf_
294#define _filbuf(f) _CANNOT _filbuf_
295#define __flsbuf(c,f) _CANNOT __flsbuf_
296#define _flsbuf(c,f) _CANNOT _flsbuf_
297#define getw(f) _CANNOT _getw_
298#define putw(v,f) _CANNOT _putw_
299#define flockfile(f) _CANNOT _flockfile_
300#define ftrylockfile(f) _CANNOT _ftrylockfile_
301#define funlockfile(f) _CANNOT _funlockfile_
302#define freopen(p,m,f) _CANNOT _freopen_
303#define setbuf(f,b) _CANNOT _setbuf_
304#define setvbuf(f,b,x,s) _CANNOT _setvbuf_
305#define fscanf _CANNOT _fscanf_
306#define fgets(s,n,f) _CANNOT _fgets_
307
308#endif /* ifdef PERLIO_NOT_STDIO */
309#endif /* PERLIO_IS_STDIO */