3 * Copyright (C) 1996, 1997, 1998, 1999,
4 * 2000, 2001, 2002, by Larry Wall and others
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
11 #ifdef PERLIO_IS_STDIO
18 * This file #define-s the PerlIO_xxx abstraction onto stdio functions.
19 * Make this as close to original stdio as possible.
22 #define PerlIO_stderr() PerlSIO_stderr
23 #define PerlIO_stdout() PerlSIO_stdout
24 #define PerlIO_stdin() PerlSIO_stdin
26 #define PerlIO_isutf8(f) 0
28 #define PerlIO_printf PerlSIO_printf
29 #define PerlIO_stdoutf PerlSIO_stdoutf
30 #define PerlIO_vprintf(f,fmt,a) PerlSIO_vprintf(f,fmt,a)
31 #define PerlIO_write(f,buf,count) PerlSIO_fwrite(buf,1,count,f)
32 #define PerlIO_unread(f,buf,count) (-1)
33 #define PerlIO_open PerlSIO_fopen
34 #define PerlIO_fdopen PerlSIO_fdopen
35 #define PerlIO_reopen PerlSIO_freopen
36 #define PerlIO_close(f) PerlSIO_fclose(f)
37 #define PerlIO_puts(f,s) PerlSIO_fputs(f,s)
38 #define PerlIO_putc(f,c) PerlSIO_fputc(f,c)
41 /* Unusual definition of ungetc() here to accomodate fast_sv_gets()'
42 * belief that it can mix getc/ungetc with reads from stdio buffer */
43 int decc$ungetc(int __c, FILE *__stream);
44 # define PerlIO_ungetc(f,c) ((c) == EOF ? EOF : \
45 ((*(f) && !((*(f))->_flag & _IONBF) && \
46 ((*(f))->_ptr > (*(f))->_base)) ? \
47 ((*(f))->_cnt++, *(--(*(f))->_ptr) = (c)) : decc$ungetc(c,f)))
49 # define PerlIO_ungetc(f,c) ungetc(c,f)
51 /* Work around bug in DECCRTL/AXP (DECC v5.x) and some versions of old
52 * VAXCRTL which causes read from a pipe after EOF has been returned
55 # define PerlIO_getc(f) \
56 (feof(f) ? EOF : getc(f))
57 # define PerlIO_read(f,buf,count) \
58 (feof(f) ? 0 : (SSize_t)fread(buf,1,count,f))
59 # define PerlIO_tell(f) ftell(f)
61 # define PerlIO_getc(f) PerlSIO_fgetc(f)
62 # define PerlIO_ungetc(f,c) PerlSIO_ungetc(c,f)
63 # define PerlIO_read(f,buf,count) (SSize_t)PerlSIO_fread(buf,1,count,f)
64 # define PerlIO_tell(f) PerlSIO_ftell(f)
66 #define PerlIO_eof(f) PerlSIO_feof(f)
67 #define PerlIO_getname(f,b) fgetname(f,b)
68 #define PerlIO_error(f) PerlSIO_ferror(f)
69 #define PerlIO_fileno(f) PerlSIO_fileno(f)
70 #define PerlIO_clearerr(f) PerlSIO_clearerr(f)
71 #define PerlIO_flush(f) PerlSIO_fflush(f)
72 #if defined(VMS) && !defined(__DECC)
73 /* Old VAXC RTL doesn't reset EOF on seek; Perl folk seem to expect this */
74 #define PerlIO_seek(f,o,w) (((f) && (*f) && ((*f)->_flag &= ~_IOEOF)),fseek(f,o,w))
76 # define PerlIO_seek(f,o,w) PerlSIO_fseek(f,o,w)
79 #define PerlIO_rewind(f) PerlSIO_rewind(f)
80 #define PerlIO_tmpfile() PerlSIO_tmpfile()
82 #define PerlIO_importFILE(f,fl) (f)
83 #define PerlIO_exportFILE(f,fl) (f)
84 #define PerlIO_findFILE(f) (f)
85 #define PerlIO_releaseFILE(p,f) ((void) 0)
88 #define PerlIO_setlinebuf(f) PerlSIO_setlinebuf(f);
90 #define PerlIO_setlinebuf(f) PerlSIO_setvbuf(f, Nullch, _IOLBF, 0);
93 /* Now our interface to Configure's FILE_xxx macros */
96 #define PerlIO_has_cntptr(f) 1
97 #define PerlIO_get_ptr(f) PerlSIO_get_ptr(f)
98 #define PerlIO_get_cnt(f) PerlSIO_get_cnt(f)
100 #ifdef STDIO_CNT_LVALUE
101 #define PerlIO_canset_cnt(f) 1
102 #define PerlIO_set_cnt(f,c) PerlSIO_set_cnt(f,c)
103 #ifdef STDIO_PTR_LVALUE
104 #ifdef STDIO_PTR_LVAL_NOCHANGE_CNT
105 #define PerlIO_fast_gets(f) 1
107 #endif /* STDIO_PTR_LVALUE */
108 #else /* STDIO_CNT_LVALUE */
109 #define PerlIO_canset_cnt(f) 0
110 #define PerlIO_set_cnt(f,c) abort()
113 #ifdef STDIO_PTR_LVALUE
114 #ifdef STDIO_PTR_LVAL_NOCHANGE_CNT
115 #define PerlIO_set_ptrcnt(f,p,c) STMT_START {PerlSIO_set_ptr(f,p), PerlIO_set_cnt(f,c);} STMT_END
117 #ifdef STDIO_PTR_LVAL_SETS_CNT
118 /* assert() may pre-process to ""; potential syntax error (FILE_ptr(), ) */
119 #define PerlIO_set_ptrcnt(f,p,c) STMT_START {PerlSIO_set_ptr(f,p); assert(PerlSIO_get_cnt(f) == (c));} STMT_END
120 #define PerlIO_fast_gets(f) 1
122 #define PerlIO_set_ptrcnt(f,p,c) abort()
127 #else /* USE_STDIO_PTR */
129 #define PerlIO_has_cntptr(f) 0
130 #define PerlIO_canset_cnt(f) 0
131 #define PerlIO_get_cnt(f) (abort(),0)
132 #define PerlIO_get_ptr(f) (abort(),(void *)0)
133 #define PerlIO_set_cnt(f,c) abort()
134 #define PerlIO_set_ptrcnt(f,p,c) abort()
136 #endif /* USE_STDIO_PTR */
138 #ifndef PerlIO_fast_gets
139 #define PerlIO_fast_gets(f) 0
144 #define PerlIO_has_base(f) 1
145 #define PerlIO_get_base(f) PerlSIO_get_base(f)
146 #define PerlIO_get_bufsiz(f) PerlSIO_get_bufsiz(f)
148 #define PerlIO_has_base(f) 0
149 #define PerlIO_get_base(f) (abort(),(void *)0)
150 #define PerlIO_get_bufsiz(f) (abort(),0)
154 #endif /* PERLIO_IS_STDIO */