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PerlIO #include and #ifdef re-work.
[perl5.git] / perlsfio.h
1 /* The next #ifdef should be redundant if Configure behaves ... */
2 #ifdef I_SFIO
3 #include <sfio.h>
4 #endif
5
6 /* sfio 2000 changed _stdopen to _stdfdopen */
7 #if SFIO_VERSION >= 20000101L
8 #define _stdopen _stdfdopen
9 #endif
10
11 extern Sfio_t*  _stdopen _ARG_((int, const char*));
12 extern int      _stdprintf _ARG_((const char*, ...));
13
14 #define PerlIO                          Sfio_t
15 #define PerlIO_stderr()                 sfstderr
16 #define PerlIO_stdout()                 sfstdout
17 #define PerlIO_stdin()                  sfstdin
18
19 #define PerlIO_isutf8(f)                0
20
21 #define PerlIO_printf                   sfprintf
22 #define PerlIO_stdoutf                  _stdprintf
23 #define PerlIO_vprintf(f,fmt,a)         sfvprintf(f,fmt,a)
24 #define PerlIO_read(f,buf,count)        sfread(f,buf,count)
25 #define PerlIO_write(f,buf,count)       sfwrite(f,buf,count)
26 #define PerlIO_open(path,mode)          sfopen(NULL,path,mode)
27 #define PerlIO_fdopen(fd,mode)          _stdopen(fd,mode)
28 #define PerlIO_reopen(path,mode,f)      sfopen(f,path,mode)
29 #define PerlIO_close(f)                 sfclose(f)
30 #define PerlIO_puts(f,s)                sfputr(f,s,-1)
31 #define PerlIO_putc(f,c)                sfputc(f,c)
32 #define PerlIO_ungetc(f,c)              sfungetc(f,c)
33 #define PerlIO_sprintf                  sfsprintf
34 #define PerlIO_getc(f)                  sfgetc(f)
35 #define PerlIO_eof(f)                   sfeof(f)
36 #define PerlIO_error(f)                 sferror(f)
37 #define PerlIO_fileno(f)                sffileno(f)
38 #define PerlIO_clearerr(f)              sfclrerr(f)
39 #define PerlIO_flush(f)                 sfsync(f)
40 #if 0
41 /* This breaks tests */
42 #define PerlIO_tell(f)                  sfseek(f,0,1|SF_SHARE)
43 #else
44 #define PerlIO_tell(f)                  sftell(f)
45 #endif
46 #define PerlIO_seek(f,o,w)              sfseek(f,o,w)
47 #define PerlIO_rewind(f)                (void) sfseek((f),0L,0)
48 #define PerlIO_tmpfile()                sftmp(0)
49
50 #define PerlIO_importFILE(f,fl)         Perl_croak(aTHX_ "Import from FILE * unimplemeted")
51 #define PerlIO_exportFILE(f,fl)         Perl_croak(aTHX_ "Export to FILE * unimplemeted")
52 #define PerlIO_findFILE(f)              NULL
53 #define PerlIO_releaseFILE(p,f)         Perl_croak(aTHX_ "Release of FILE * unimplemeted")
54
55 #define PerlIO_setlinebuf(f)            sfset(f,SF_LINE,1)
56
57 /* Now our interface to equivalent of Configure's FILE_xxx macros */
58
59 #define PerlIO_has_cntptr(f)            1
60 #define PerlIO_get_ptr(f)               ((f)->next)
61 #define PerlIO_get_cnt(f)               ((f)->endr - (f)->next)
62 #define PerlIO_canset_cnt(f)            1
63 #define PerlIO_fast_gets(f)             1
64 #define PerlIO_set_ptrcnt(f,p,c)        STMT_START {(f)->next = (unsigned char *)(p); assert(PerlIO_get_cnt(f) == (c));} STMT_END
65 #define PerlIO_set_cnt(f,c)             STMT_START {(f)->next = (f)->endr - (c);} STMT_END
66
67 #define PerlIO_has_base(f)              1
68 #define PerlIO_get_base(f)              ((f)->data)
69 #define PerlIO_get_bufsiz(f)            ((f)->endr - (f)->data)
70
71