3 * This file #define-s the PerlIO_xxx abstraction onto stdio functions.
4 * Make this as close to original stdio as possible.
7 #define PerlIO_stderr() stderr
8 #define PerlIO_stdout() stdout
9 #define PerlIO_stdin() stdin
11 #define PerlIO_fdupopen(f) (f)
12 #define PerlIO_isutf8(f) 0
14 #define PerlIO_printf fprintf
15 #define PerlIO_stdoutf printf
16 #define PerlIO_vprintf(f,fmt,a) vfprintf(f,fmt,a)
17 #define PerlIO_write(f,buf,count) fwrite1(buf,1,count,f)
18 #define PerlIO_open fopen
19 #define PerlIO_fdopen fdopen
20 #define PerlIO_reopen freopen
21 #define PerlIO_close(f) fclose(f)
22 #define PerlIO_puts(f,s) fputs(s,f)
23 #define PerlIO_putc(f,c) fputc(c,f)
26 /* Unusual definition of ungetc() here to accomodate fast_sv_gets()'
27 * belief that it can mix getc/ungetc with reads from stdio buffer */
28 int decc$ungetc(int __c, FILE *__stream);
29 # define PerlIO_ungetc(f,c) ((c) == EOF ? EOF : \
30 ((*(f) && !((*(f))->_flag & _IONBF) && \
31 ((*(f))->_ptr > (*(f))->_base)) ? \
32 ((*(f))->_cnt++, *(--(*(f))->_ptr) = (c)) : decc$ungetc(c,f)))
34 # define PerlIO_ungetc(f,c) ungetc(c,f)
36 /* Work around bug in DECCRTL/AXP (DECC v5.x) and some versions of old
37 * VAXCRTL which causes read from a pipe after EOF has been returned
40 # define PerlIO_getc(f) \
41 (feof(f) ? EOF : getc(f))
42 # define PerlIO_read(f,buf,count) \
43 (feof(f) ? 0 : (SSize_t)fread(buf,1,count,f))
44 # define PerlIO_tell(f) ftell(f)
46 # define PerlIO_getc(f) getc(f)
47 # define PerlIO_ungetc(f,c) ungetc(c,f)
48 # define PerlIO_read(f,buf,count) (SSize_t)fread(buf,1,count,f)
49 # define PerlIO_tell(f) ftell(f)
51 #define PerlIO_eof(f) feof(f)
52 #define PerlIO_getname(f,b) fgetname(f,b)
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 #if defined(VMS) && !defined(__DECC)
58 /* Old VAXC RTL doesn't reset EOF on seek; Perl folk seem to expect this */
59 #define PerlIO_seek(f,o,w) (((f) && (*f) && ((*f)->_flag &= ~_IOEOF)),fseek(f,o,w))
61 # define PerlIO_seek(f,o,w) fseek(f,o,w)
64 #define PerlIO_rewind(f) rewind(f)
65 #define PerlIO_tmpfile() tmpfile()
67 #define PerlIO_importFILE(f,fl) (f)
68 #define PerlIO_exportFILE(f,fl) (f)
69 #define PerlIO_findFILE(f) (f)
70 #define PerlIO_releaseFILE(p,f) ((void) 0)
73 #define PerlIO_setlinebuf(f) setlinebuf(f);
75 #define PerlIO_setlinebuf(f) setvbuf(f, Nullch, _IOLBF, 0);
78 /* Now our interface to Configure's FILE_xxx macros */
81 #define PerlIO_has_cntptr(f) 1
82 #define PerlIO_get_ptr(f) FILE_ptr(f)
83 #define PerlIO_get_cnt(f) FILE_cnt(f)
85 #ifdef STDIO_CNT_LVALUE
86 #define PerlIO_canset_cnt(f) 1
87 #define PerlIO_set_cnt(f,c) (FILE_cnt(f) = (c))
88 #ifdef STDIO_PTR_LVALUE
89 #ifdef STDIO_PTR_LVAL_NOCHANGE_CNT
90 #define PerlIO_fast_gets(f) 1
92 #endif /* STDIO_PTR_LVALUE */
93 #else /* STDIO_CNT_LVALUE */
94 #define PerlIO_canset_cnt(f) 0
95 #define PerlIO_set_cnt(f,c) abort()
98 #ifdef STDIO_PTR_LVALUE
99 #ifdef STDIO_PTR_LVAL_NOCHANGE_CNT
100 #define PerlIO_set_ptrcnt(f,p,c) STMT_START {FILE_ptr(f) = (p), PerlIO_set_cnt(f,c);} STMT_END
102 #ifdef STDIO_PTR_LVAL_SETS_CNT
103 /* assert() may pre-process to ""; potential syntax error (FILE_ptr(), ) */
104 #define PerlIO_set_ptrcnt(f,p,c) STMT_START {FILE_ptr(f) = (p); assert(FILE_cnt(f) == (c));} STMT_END
105 #define PerlIO_fast_gets(f) 1
107 #define PerlIO_set_ptrcnt(f,p,c) abort()
112 #else /* USE_STDIO_PTR */
114 #define PerlIO_has_cntptr(f) 0
115 #define PerlIO_canset_cnt(f) 0
116 #define PerlIO_get_cnt(f) (abort(),0)
117 #define PerlIO_get_ptr(f) (abort(),(void *)0)
118 #define PerlIO_set_cnt(f,c) abort()
119 #define PerlIO_set_ptrcnt(f,p,c) abort()
121 #endif /* USE_STDIO_PTR */
123 #ifndef PerlIO_fast_gets
124 #define PerlIO_fast_gets(f) 0
129 #define PerlIO_has_base(f) 1
130 #define PerlIO_get_base(f) FILE_base(f)
131 #define PerlIO_get_bufsiz(f) FILE_bufsiz(f)
133 #define PerlIO_has_base(f) 0
134 #define PerlIO_get_base(f) (abort(),(void *)0)
135 #define PerlIO_get_bufsiz(f) (abort(),0)
138 #endif /* PERLIO_IS_STDIO */