Let's not assume how much memory has been allocated
[p5sagit/p5-mst-13.2.git] / perlsfio.h
CommitLineData
760ac839 1/* The next #ifdef should be redundant if Configure behaves ... */
92bff44d 2#ifndef FILE
3#define FILE FILE
4#endif
760ac839 5#ifdef I_SFIO
6#include <sfio.h>
7#endif
8
25259385 9/* sfio 2000 changed _stdopen to _stdfdopen */
10#if SFIO_VERSION >= 20000101L
76ced9ad 11#define _stdopen _stdfdopen
25259385 12#endif
13
760ac839 14extern Sfio_t* _stdopen _ARG_((int, const char*));
15extern int _stdprintf _ARG_((const char*, ...));
16
17#define PerlIO Sfio_t
18#define PerlIO_stderr() sfstderr
19#define PerlIO_stdout() sfstdout
20#define PerlIO_stdin() sfstdin
21
76ced9ad 22#define PerlIO_isutf8(f) 0
23
760ac839 24#define PerlIO_printf sfprintf
25#define PerlIO_stdoutf _stdprintf
76ced9ad 26#define PerlIO_vprintf(f,fmt,a) sfvprintf(f,fmt,a)
760ac839 27#define PerlIO_read(f,buf,count) sfread(f,buf,count)
28#define PerlIO_write(f,buf,count) sfwrite(f,buf,count)
29#define PerlIO_open(path,mode) sfopen(NULL,path,mode)
30#define PerlIO_fdopen(fd,mode) _stdopen(fd,mode)
e50990e1 31#define PerlIO_reopen(path,mode,f) sfopen(f,path,mode)
760ac839 32#define PerlIO_close(f) sfclose(f)
33#define PerlIO_puts(f,s) sfputr(f,s,-1)
34#define PerlIO_putc(f,c) sfputc(f,c)
35#define PerlIO_ungetc(f,c) sfungetc(f,c)
36#define PerlIO_sprintf sfsprintf
37#define PerlIO_getc(f) sfgetc(f)
38#define PerlIO_eof(f) sfeof(f)
39#define PerlIO_error(f) sferror(f)
40#define PerlIO_fileno(f) sffileno(f)
41#define PerlIO_clearerr(f) sfclrerr(f)
42#define PerlIO_flush(f) sfsync(f)
76ced9ad 43#if 0
44/* This breaks tests */
45#define PerlIO_tell(f) sfseek(f,0,1|SF_SHARE)
46#else
47#define PerlIO_tell(f) sftell(f)
48#endif
760ac839 49#define PerlIO_seek(f,o,w) sfseek(f,o,w)
50#define PerlIO_rewind(f) (void) sfseek((f),0L,0)
51#define PerlIO_tmpfile() sftmp(0)
52
92bff44d 53#if 0
3b050a92 54#define PerlIO_importFILE(f,fl) ((void) Perl_croak(aTHX_ "Import from FILE * unimplemeted"), NULL)
760ac839 55#define PerlIO_findFILE(f) NULL
92bff44d 56#endif
57#define PerlIO_exportFILE(f,fl) Perl_croak(aTHX_ "Export to FILE * unimplemeted")
cea2e8a9 58#define PerlIO_releaseFILE(p,f) Perl_croak(aTHX_ "Release of FILE * unimplemeted")
760ac839 59
60#define PerlIO_setlinebuf(f) sfset(f,SF_LINE,1)
61
62/* Now our interface to equivalent of Configure's FILE_xxx macros */
63
76ced9ad 64#define PerlIO_has_cntptr(f) 1
760ac839 65#define PerlIO_get_ptr(f) ((f)->next)
66#define PerlIO_get_cnt(f) ((f)->endr - (f)->next)
76ced9ad 67#define PerlIO_canset_cnt(f) 1
a7ffa9b9 68#define PerlIO_fast_gets(f) 1
76ced9ad 69#define PerlIO_set_ptrcnt(f,p,c) STMT_START {(f)->next = (unsigned char *)(p); assert(PerlIO_get_cnt(f) == (c));} STMT_END
70#define PerlIO_set_cnt(f,c) STMT_START {(f)->next = (f)->endr - (c);} STMT_END
760ac839 71
76ced9ad 72#define PerlIO_has_base(f) 1
760ac839 73#define PerlIO_get_base(f) ((f)->data)
74#define PerlIO_get_bufsiz(f) ((f)->endr - (f)->data)
75
76