Commit | Line | Data |
---|---|---|
760ac839 LW |
1 | #ifdef PERLIO_IS_STDIO |
2 | /* | |
76ced9ad | 3 | * This file #define-s the PerlIO_xxx abstraction onto stdio functions. |
760ac839 LW |
4 | * Make this as close to original stdio as possible. |
5 | */ | |
76ced9ad | 6 | #define PerlIO FILE |
760ac839 LW |
7 | #define PerlIO_stderr() stderr |
8 | #define PerlIO_stdout() stdout | |
9 | #define PerlIO_stdin() stdin | |
10 | ||
76ced9ad NIS |
11 | #define PerlIO_fdupopen(f) (f) |
12 | #define PerlIO_isutf8(f) 0 | |
13 | ||
760ac839 LW |
14 | #define PerlIO_printf fprintf |
15 | #define PerlIO_stdoutf printf | |
76ced9ad | 16 | #define PerlIO_vprintf(f,fmt,a) vfprintf(f,fmt,a) |
760ac839 | 17 | #define PerlIO_write(f,buf,count) fwrite1(buf,1,count,f) |
c7ae39e5 | 18 | #define PerlIO_open fopen |
19 | #define PerlIO_fdopen fdopen | |
76ced9ad | 20 | #define PerlIO_reopen freopen |
cf829ab0 | 21 | #define PerlIO_close(f) fclose(f) |
760ac839 LW |
22 | #define PerlIO_puts(f,s) fputs(s,f) |
23 | #define PerlIO_putc(f,c) fputc(c,f) | |
9607fc9c | 24 | #if defined(VMS) |
25 | # if defined(__DECC) | |
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))) | |
33 | # else | |
34 | # define PerlIO_ungetc(f,c) ungetc(c,f) | |
35 | # endif | |
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 | |
38 | * once to hang. | |
aa689395 | 39 | */ |
5b54f415 CS |
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)) | |
bf348c40 | 44 | # define PerlIO_tell(f) ftell(f) |
1ac5d68d | 45 | #else |
cf829ab0 JH |
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) | |
1ac5d68d | 50 | #endif |
760ac839 | 51 | #define PerlIO_eof(f) feof(f) |
a20bf0c3 | 52 | #define PerlIO_getname(f,b) fgetname(f,b) |
760ac839 LW |
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) | |
cf829ab0 JH |
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)) | |
fab3f3a7 | 60 | #else |
cf829ab0 | 61 | # define PerlIO_seek(f,o,w) fseek(f,o,w) |
17f28c40 | 62 | #endif |
760ac839 LW |
63 | |
64 | #define PerlIO_rewind(f) rewind(f) | |
65 | #define PerlIO_tmpfile() tmpfile() | |
66 | ||
76ced9ad NIS |
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) | |
760ac839 LW |
71 | |
72 | #ifdef HAS_SETLINEBUF | |
73 | #define PerlIO_setlinebuf(f) setlinebuf(f); | |
74 | #else | |
4fabb596 | 75 | #define PerlIO_setlinebuf(f) setvbuf(f, Nullch, _IOLBF, 0); |
760ac839 LW |
76 | #endif |
77 | ||
78 | /* Now our interface to Configure's FILE_xxx macros */ | |
79 | ||
80 | #ifdef USE_STDIO_PTR | |
76ced9ad NIS |
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) | |
760ac839 | 84 | |
c7ae39e5 | 85 | #ifdef STDIO_CNT_LVALUE |
76ced9ad NIS |
86 | #define PerlIO_canset_cnt(f) 1 |
87 | #define PerlIO_set_cnt(f,c) (FILE_cnt(f) = (c)) | |
c7ae39e5 | 88 | #ifdef STDIO_PTR_LVALUE |
a7ffa9b9 | 89 | #ifdef STDIO_PTR_LVAL_NOCHANGE_CNT |
76ced9ad | 90 | #define PerlIO_fast_gets(f) 1 |
760ac839 | 91 | #endif |
a7ffa9b9 NC |
92 | #endif /* STDIO_PTR_LVALUE */ |
93 | #else /* STDIO_CNT_LVALUE */ | |
76ced9ad | 94 | #define PerlIO_canset_cnt(f) 0 |
a20bf0c3 | 95 | #define PerlIO_set_cnt(f,c) abort() |
760ac839 LW |
96 | #endif |
97 | ||
c7ae39e5 | 98 | #ifdef STDIO_PTR_LVALUE |
a7ffa9b9 | 99 | #ifdef STDIO_PTR_LVAL_NOCHANGE_CNT |
bd0e0981 | 100 | #define PerlIO_set_ptrcnt(f,p,c) STMT_START {FILE_ptr(f) = (p), PerlIO_set_cnt(f,c);} STMT_END |
a7ffa9b9 NC |
101 | #else |
102 | #ifdef STDIO_PTR_LVAL_SETS_CNT | |
103 | /* assert() may pre-process to ""; potential syntax error (FILE_ptr(), ) */ | |
bd0e0981 | 104 | #define PerlIO_set_ptrcnt(f,p,c) STMT_START {FILE_ptr(f) = (p); assert(FILE_cnt(f) == (c));} STMT_END |
76ced9ad | 105 | #define PerlIO_fast_gets(f) 1 |
760ac839 | 106 | #else |
a20bf0c3 | 107 | #define PerlIO_set_ptrcnt(f,p,c) abort() |
760ac839 | 108 | #endif |
a7ffa9b9 NC |
109 | #endif |
110 | #endif | |
760ac839 LW |
111 | |
112 | #else /* USE_STDIO_PTR */ | |
113 | ||
114 | #define PerlIO_has_cntptr(f) 0 | |
c7ae39e5 | 115 | #define PerlIO_canset_cnt(f) 0 |
a20bf0c3 JH |
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() | |
760ac839 LW |
120 | |
121 | #endif /* USE_STDIO_PTR */ | |
122 | ||
123 | #ifndef PerlIO_fast_gets | |
76ced9ad | 124 | #define PerlIO_fast_gets(f) 0 |
760ac839 LW |
125 | #endif |
126 | ||
127 | ||
128 | #ifdef FILE_base | |
76ced9ad NIS |
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) | |
760ac839 LW |
132 | #else |
133 | #define PerlIO_has_base(f) 0 | |
a20bf0c3 JH |
134 | #define PerlIO_get_base(f) (abort(),(void *)0) |
135 | #define PerlIO_get_bufsiz(f) (abort(),0) | |
760ac839 | 136 | #endif |
760ac839 | 137 | |
760ac839 | 138 | #endif /* PERLIO_IS_STDIO */ |