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author | Malcolm Beattie <mbeattie@sable.ox.ac.uk> | 1997-05-25 10:31:21 +0000 |
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committer | Malcolm Beattie <mbeattie@sable.ox.ac.uk> | 1997-05-25 10:31:21 +0000 |
commit | ae77835f9b08444f73b593d4cdc0758132dbbf00 (patch) | |
tree | 5f626cfecad7636b4da1329b5602c41f2cf53d23 /perlsdio.h | |
parent | c750a3ec3b866067ab46dbcc9083205d823047c3 (diff) | |
parent | ec4e49dc1523dcdb6bec56a66be410eab95cfa61 (diff) | |
download | perl-ae77835f9b08444f73b593d4cdc0758132dbbf00.tar.gz |
First stab at 5.003 -> 5.004 integration.
p4raw-id: //depot/perl@18
Diffstat (limited to 'perlsdio.h')
-rw-r--r-- | perlsdio.h | 309 |
1 files changed, 309 insertions, 0 deletions
diff --git a/perlsdio.h b/perlsdio.h new file mode 100644 index 0000000000..5a15a719ca --- /dev/null +++ b/perlsdio.h @@ -0,0 +1,309 @@ +/* + * Although we may not want stdio to be used including <stdio.h> here + * avoids issues where stdio.h has strange side effects + */ +#include <stdio.h> + +#ifdef PERLIO_IS_STDIO +/* + * Make this as close to original stdio as possible. + */ +#define PerlIO FILE +#define PerlIO_stderr() stderr +#define PerlIO_stdout() stdout +#define PerlIO_stdin() stdin + +#define PerlIO_printf fprintf +#define PerlIO_stdoutf printf +#define PerlIO_vprintf(f,fmt,a) vfprintf(f,fmt,a) +#define PerlIO_write(f,buf,count) fwrite1(buf,1,count,f) +#define PerlIO_open fopen +#define PerlIO_fdopen fdopen +#define PerlIO_reopen freopen +#define PerlIO_close(f) fclose(f) +#define PerlIO_puts(f,s) fputs(s,f) +#define PerlIO_putc(f,c) fputc(c,f) +#if defined(VMS) +# if defined(__DECC) + /* Unusual definition of ungetc() here to accomodate fast_sv_gets()' + * belief that it can mix getc/ungetc with reads from stdio buffer */ + int decc$ungetc(int __c, FILE *__stream); +# define PerlIO_ungetc(f,c) ((c) == EOF ? EOF : \ + ((*(f) && !((*(f))->_flag & _IONBF) && \ + ((*(f))->_ptr > (*(f))->_base)) ? \ + ((*(f))->_cnt++, *(--(*(f))->_ptr) = (c)) : decc$ungetc(c,f))) +# else +# define PerlIO_ungetc(f,c) ungetc(c,f) +# endif + /* Work around bug in DECCRTL/AXP (DECC v5.x) and some versions of old + * VAXCRTL which causes read from a pipe after EOF has been returned + * once to hang. + */ +# define PerlIO_getc(f) \ + (feof(f) ? EOF : getc(f)) +# define PerlIO_read(f,buf,count) \ + (feof(f) ? 0 : (SSize_t)fread(buf,1,count,f)) +#else +# define PerlIO_ungetc(f,c) ungetc(c,f) +# define PerlIO_getc(f) getc(f) +# define PerlIO_read(f,buf,count) (SSize_t)fread(buf,1,count,f) +#endif +#define PerlIO_eof(f) feof(f) +#define PerlIO_getname(f,b) fgetname(f,b) +#define PerlIO_error(f) ferror(f) +#define PerlIO_fileno(f) fileno(f) +#define PerlIO_clearerr(f) clearerr(f) +#define PerlIO_flush(f) Fflush(f) +#define PerlIO_tell(f) ftell(f) +#define PerlIO_seek(f,o,w) fseek(f,o,w) +#ifdef HAS_FGETPOS +#define PerlIO_getpos(f,p) fgetpos(f,p) +#endif +#ifdef HAS_FSETPOS +#define PerlIO_setpos(f,p) fsetpos(f,p) +#endif + +#define PerlIO_rewind(f) rewind(f) +#define PerlIO_tmpfile() tmpfile() + +#define PerlIO_importFILE(f,fl) (f) +#define PerlIO_exportFILE(f,fl) (f) +#define PerlIO_findFILE(f) (f) +#define PerlIO_releaseFILE(p,f) ((void) 0) + +#ifdef HAS_SETLINEBUF +#define PerlIO_setlinebuf(f) setlinebuf(f); +#else +#define PerlIO_setlinebuf(f) setvbuf(f, Nullch, _IOLBF, 0); +#endif + +/* Now our interface to Configure's FILE_xxx macros */ + +#ifdef USE_STDIO_PTR +#define PerlIO_has_cntptr(f) 1 +#define PerlIO_get_ptr(f) FILE_ptr(f) +#define PerlIO_get_cnt(f) FILE_cnt(f) + +#ifdef STDIO_CNT_LVALUE +#define PerlIO_canset_cnt(f) 1 +#ifdef STDIO_PTR_LVALUE +#define PerlIO_fast_gets(f) 1 +#endif +#define PerlIO_set_cnt(f,c) (FILE_cnt(f) = (c)) +#else +#define PerlIO_canset_cnt(f) 0 +#define PerlIO_set_cnt(f,c) abort() +#endif + +#ifdef STDIO_PTR_LVALUE +#define PerlIO_set_ptrcnt(f,p,c) (FILE_ptr(f) = (p), PerlIO_set_cnt(f,c)) +#else +#define PerlIO_set_ptrcnt(f,p,c) abort() +#endif + +#else /* USE_STDIO_PTR */ + +#define PerlIO_has_cntptr(f) 0 +#define PerlIO_canset_cnt(f) 0 +#define PerlIO_get_cnt(f) (abort(),0) +#define PerlIO_get_ptr(f) (abort(),(void *)0) +#define PerlIO_set_cnt(f,c) abort() +#define PerlIO_set_ptrcnt(f,p,c) abort() + +#endif /* USE_STDIO_PTR */ + +#ifndef PerlIO_fast_gets +#define PerlIO_fast_gets(f) 0 +#endif + + +#ifdef FILE_base +#define PerlIO_has_base(f) 1 +#define PerlIO_get_base(f) FILE_base(f) +#define PerlIO_get_bufsiz(f) FILE_bufsiz(f) +#else +#define PerlIO_has_base(f) 0 +#define PerlIO_get_base(f) (abort(),(void *)0) +#define PerlIO_get_bufsiz(f) (abort(),0) +#endif +#else /* PERLIO_IS_STDIO */ +#ifdef PERL_CORE +#ifndef PERLIO_NOT_STDIO +#define PERLIO_NOT_STDIO 1 +#endif +#endif +#ifdef PERLIO_NOT_STDIO +#if PERLIO_NOT_STDIO +/* + * Strong denial of stdio - make all stdio calls (we can think of) errors + */ +#include "nostdio.h" +#undef fprintf +#undef tmpfile +#undef fclose +#undef fopen +#undef vfprintf +#undef fgetc +#undef fputc +#undef fputs +#undef ungetc +#undef fread +#undef fwrite +#undef fgetpos +#undef fseek +#undef fsetpos +#undef ftell +#undef rewind +#undef fdopen +#undef popen +#undef pclose +#undef getw +#undef putw +#undef freopen +#undef setbuf +#undef setvbuf +#undef fscanf +#undef fgets +#undef getc_unlocked +#undef putc_unlocked +#define fprintf _CANNOT _fprintf_ +#define stdin _CANNOT _stdin_ +#define stdout _CANNOT _stdout_ +#define stderr _CANNOT _stderr_ +#define tmpfile() _CANNOT _tmpfile_ +#define fclose(f) _CANNOT _fclose_ +#define fflush(f) _CANNOT _fflush_ +#define fopen(p,m) _CANNOT _fopen_ +#define freopen(p,m,f) _CANNOT _freopen_ +#define setbuf(f,b) _CANNOT _setbuf_ +#define setvbuf(f,b,x,s) _CANNOT _setvbuf_ +#define fscanf _CANNOT _fscanf_ +#define vfprintf(f,fmt,a) _CANNOT _vfprintf_ +#define fgetc(f) _CANNOT _fgetc_ +#define fgets(s,n,f) _CANNOT _fgets_ +#define fputc(c,f) _CANNOT _fputc_ +#define fputs(s,f) _CANNOT _fputs_ +#define getc(f) _CANNOT _getc_ +#define putc(c,f) _CANNOT _putc_ +#define ungetc(c,f) _CANNOT _ungetc_ +#define fread(b,s,c,f) _CANNOT _fread_ +#define fwrite(b,s,c,f) _CANNOT _fwrite_ +#define fgetpos(f,p) _CANNOT _fgetpos_ +#define fseek(f,o,w) _CANNOT _fseek_ +#define fsetpos(f,p) _CANNOT _fsetpos_ +#define ftell(f) _CANNOT _ftell_ +#define rewind(f) _CANNOT _rewind_ +#define clearerr(f) _CANNOT _clearerr_ +#define feof(f) _CANNOT _feof_ +#define ferror(f) _CANNOT _ferror_ +#define __filbuf(f) _CANNOT __filbuf_ +#define __flsbuf(c,f) _CANNOT __flsbuf_ +#define _filbuf(f) _CANNOT _filbuf_ +#define _flsbuf(c,f) _CANNOT _flsbuf_ +#define fdopen(fd,p) _CANNOT _fdopen_ +#define fileno(f) _CANNOT _fileno_ +#define flockfile(f) _CANNOT _flockfile_ +#define ftrylockfile(f) _CANNOT _ftrylockfile_ +#define funlockfile(f) _CANNOT _funlockfile_ +#define getc_unlocked(f) _CANNOT _getc_unlocked_ +#define putc_unlocked(c,f) _CANNOT _putc_unlocked_ +#define popen(c,m) _CANNOT _popen_ +#define getw(f) _CANNOT _getw_ +#define putw(v,f) _CANNOT _putw_ +#define pclose(f) _CANNOT _pclose_ + +#else /* if PERLIO_NOT_STDIO */ +/* + * PERLIO_NOT_STDIO defined as 0 + * Declares that both PerlIO and stdio can be used + */ +#endif /* if PERLIO_NOT_STDIO */ +#else /* ifdef PERLIO_NOT_STDIO */ +/* + * PERLIO_NOT_STDIO not defined + * This is "source level" stdio compatibility mode. + */ +#include "nostdio.h" +#undef FILE +#define FILE PerlIO +#undef fprintf +#undef tmpfile +#undef fclose +#undef fopen +#undef vfprintf +#undef fgetc +#undef fputc +#undef fputs +#undef ungetc +#undef fread +#undef fwrite +#undef fgetpos +#undef fseek +#undef fsetpos +#undef ftell +#undef rewind +#undef fdopen +#undef popen +#undef pclose +#undef getw +#undef putw +#undef freopen +#undef setbuf +#undef setvbuf +#undef fscanf +#undef fgets +#define fprintf PerlIO_printf +#define stdin PerlIO_stdin() +#define stdout PerlIO_stdout() +#define stderr PerlIO_stderr() +#define tmpfile() PerlIO_tmpfile() +#define fclose(f) PerlIO_close(f) +#define fflush(f) PerlIO_flush(f) +#define fopen(p,m) PerlIO_open(p,m) +#define vfprintf(f,fmt,a) PerlIO_vprintf(f,fmt,a) +#define fgetc(f) PerlIO_getc(f) +#define fputc(c,f) PerlIO_putc(f,c) +#define fputs(s,f) PerlIO_puts(f,s) +#define getc(f) PerlIO_getc(f) +#define getc_unlocked(f) PerlIO_getc(f) +#define putc(c,f) PerlIO_putc(f,c) +#define putc_unlocked(c,f) PerlIO_putc(c,f) +#define ungetc(c,f) PerlIO_ungetc(f,c) +#if 0 +/* return values of read/write need work */ +#define fread(b,s,c,f) PerlIO_read(f,b,(s*c)) +#define fwrite(b,s,c,f) PerlIO_write(f,b,(s*c)) +#else +#define fread(b,s,c,f) _CANNOT fread +#define fwrite(b,s,c,f) _CANNOT fwrite +#endif +#define fgetpos(f,p) PerlIO_getpos(f,p) +#define fseek(f,o,w) PerlIO_seek(f,o,w) +#define fsetpos(f,p) PerlIO_setpos(f,p) +#define ftell(f) PerlIO_tell(f) +#define rewind(f) PerlIO_rewind(f) +#define clearerr(f) PerlIO_clearerr(f) +#define feof(f) PerlIO_eof(f) +#define ferror(f) PerlIO_error(f) +#define fdopen(fd,p) PerlIO_fdopen(fd,p) +#define fileno(f) PerlIO_fileno(f) +#define popen(c,m) my_popen(c,m) +#define pclose(f) my_pclose(f) + +#define __filbuf(f) _CANNOT __filbuf_ +#define _filbuf(f) _CANNOT _filbuf_ +#define __flsbuf(c,f) _CANNOT __flsbuf_ +#define _flsbuf(c,f) _CANNOT _flsbuf_ +#define getw(f) _CANNOT _getw_ +#define putw(v,f) _CANNOT _putw_ +#define flockfile(f) _CANNOT _flockfile_ +#define ftrylockfile(f) _CANNOT _ftrylockfile_ +#define funlockfile(f) _CANNOT _funlockfile_ +#define freopen(p,m,f) _CANNOT _freopen_ +#define setbuf(f,b) _CANNOT _setbuf_ +#define setvbuf(f,b,x,s) _CANNOT _setvbuf_ +#define fscanf _CANNOT _fscanf_ +#define fgets(s,n,f) _CANNOT _fgets_ + +#endif /* ifdef PERLIO_NOT_STDIO */ +#endif /* PERLIO_IS_STDIO */ |