| 1 | /* perlsdio.h
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| 2 | *
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| 3 | * Copyright (C) 1996, 1997, 1998, 1999,
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| 4 | * 2000, 2001, 2002, by Larry Wall and others
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| 5 | *
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| 6 | * You may distribute under the terms of either the GNU General Public
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| 7 | * License or the Artistic License, as specified in the README file.
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| 8 | *
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| 9 | */
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| 10 |
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| 11 | #ifdef PERLIO_IS_STDIO
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| 12 |
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| 13 | #ifdef NETWARE
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| 14 | #include "nwstdio.h"
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| 15 | #else
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| 16 |
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| 17 | /*
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| 18 | * This file #define-s the PerlIO_xxx abstraction onto stdio functions.
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| 19 | * Make this as close to original stdio as possible.
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| 20 | */
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| 21 | #define PerlIO FILE
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| 22 | #define PerlIO_stderr() PerlSIO_stderr
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| 23 | #define PerlIO_stdout() PerlSIO_stdout
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| 24 | #define PerlIO_stdin() PerlSIO_stdin
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| 25 |
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| 26 | #define PerlIO_isutf8(f) 0
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| 27 |
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| 28 | #define PerlIO_printf PerlSIO_printf
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| 29 | #define PerlIO_stdoutf PerlSIO_stdoutf
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| 30 | #define PerlIO_vprintf(f,fmt,a) PerlSIO_vprintf(f,fmt,a)
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| 31 | #define PerlIO_write(f,buf,count) PerlSIO_fwrite(buf,1,count,f)
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| 32 | #define PerlIO_unread(f,buf,count) (-1)
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| 33 | #define PerlIO_open PerlSIO_fopen
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| 34 | #define PerlIO_fdopen PerlSIO_fdopen
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| 35 | #define PerlIO_reopen PerlSIO_freopen
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| 36 | #define PerlIO_close(f) PerlSIO_fclose(f)
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| 37 | #define PerlIO_puts(f,s) PerlSIO_fputs(f,s)
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| 38 | #define PerlIO_putc(f,c) PerlSIO_fputc(f,c)
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| 39 | #if defined(VMS)
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| 40 | # if defined(__DECC)
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| 41 | /* Unusual definition of ungetc() here to accomodate fast_sv_gets()'
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| 42 | * belief that it can mix getc/ungetc with reads from stdio buffer */
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| 43 | int decc$ungetc(int __c, FILE *__stream);
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| 44 | # define PerlIO_ungetc(f,c) ((c) == EOF ? EOF : \
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| 45 | ((*(f) && !((*(f))->_flag & _IONBF) && \
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| 46 | ((*(f))->_ptr > (*(f))->_base)) ? \
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| 47 | ((*(f))->_cnt++, *(--(*(f))->_ptr) = (c)) : decc$ungetc(c,f)))
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| 48 | # else
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| 49 | # define PerlIO_ungetc(f,c) ungetc(c,f)
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| 50 | # endif
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| 51 | /* Work around bug in DECCRTL/AXP (DECC v5.x) and some versions of old
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| 52 | * VAXCRTL which causes read from a pipe after EOF has been returned
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| 53 | * once to hang.
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| 54 | */
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| 55 | # define PerlIO_getc(f) \
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| 56 | (feof(f) ? EOF : getc(f))
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| 57 | # define PerlIO_read(f,buf,count) \
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| 58 | (feof(f) ? 0 : (SSize_t)fread(buf,1,count,f))
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| 59 | # define PerlIO_tell(f) ftell(f)
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| 60 | #else
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| 61 | # define PerlIO_getc(f) PerlSIO_fgetc(f)
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| 62 | # define PerlIO_ungetc(f,c) PerlSIO_ungetc(c,f)
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| 63 | # define PerlIO_read(f,buf,count) (SSize_t)PerlSIO_fread(buf,1,count,f)
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| 64 | # define PerlIO_tell(f) PerlSIO_ftell(f)
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| 65 | #endif
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| 66 | #define PerlIO_eof(f) PerlSIO_feof(f)
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| 67 | #define PerlIO_getname(f,b) fgetname(f,b)
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| 68 | #define PerlIO_error(f) PerlSIO_ferror(f)
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| 69 | #define PerlIO_fileno(f) PerlSIO_fileno(f)
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| 70 | #define PerlIO_clearerr(f) PerlSIO_clearerr(f)
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| 71 | #define PerlIO_flush(f) PerlSIO_fflush(f)
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| 72 | #if defined(VMS) && !defined(__DECC)
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| 73 | /* Old VAXC RTL doesn't reset EOF on seek; Perl folk seem to expect this */
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| 74 | #define PerlIO_seek(f,o,w) (((f) && (*f) && ((*f)->_flag &= ~_IOEOF)),fseek(f,o,w))
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| 75 | #else
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| 76 | # define PerlIO_seek(f,o,w) PerlSIO_fseek(f,o,w)
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| 77 | #endif
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| 78 |
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| 79 | #define PerlIO_rewind(f) PerlSIO_rewind(f)
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| 80 | #define PerlIO_tmpfile() PerlSIO_tmpfile()
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| 81 |
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| 82 | #define PerlIO_importFILE(f,fl) (f)
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| 83 | #define PerlIO_exportFILE(f,fl) (f)
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| 84 | #define PerlIO_findFILE(f) (f)
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| 85 | #define PerlIO_releaseFILE(p,f) ((void) 0)
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| 86 |
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| 87 | #ifdef HAS_SETLINEBUF
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| 88 | #define PerlIO_setlinebuf(f) PerlSIO_setlinebuf(f);
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| 89 | #else
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| 90 | #define PerlIO_setlinebuf(f) PerlSIO_setvbuf(f, Nullch, _IOLBF, 0);
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| 91 | #endif
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| 92 |
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| 93 | /* Now our interface to Configure's FILE_xxx macros */
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| 94 |
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| 95 | #ifdef USE_STDIO_PTR
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| 96 | #define PerlIO_has_cntptr(f) 1
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| 97 | #define PerlIO_get_ptr(f) PerlSIO_get_ptr(f)
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| 98 | #define PerlIO_get_cnt(f) PerlSIO_get_cnt(f)
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| 99 |
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| 100 | #ifdef STDIO_CNT_LVALUE
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| 101 | #define PerlIO_canset_cnt(f) 1
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| 102 | #define PerlIO_set_cnt(f,c) PerlSIO_set_cnt(f,c)
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| 103 | #ifdef STDIO_PTR_LVALUE
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| 104 | #ifdef STDIO_PTR_LVAL_NOCHANGE_CNT
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| 105 | #define PerlIO_fast_gets(f) 1
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| 106 | #endif
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| 107 | #endif /* STDIO_PTR_LVALUE */
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| 108 | #else /* STDIO_CNT_LVALUE */
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| 109 | #define PerlIO_canset_cnt(f) 0
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| 110 | #define PerlIO_set_cnt(f,c) abort()
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| 111 | #endif
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| 112 |
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| 113 | #ifdef STDIO_PTR_LVALUE
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| 114 | #ifdef STDIO_PTR_LVAL_NOCHANGE_CNT
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| 115 | #define PerlIO_set_ptrcnt(f,p,c) STMT_START {PerlSIO_set_ptr(f,p), PerlIO_set_cnt(f,c);} STMT_END
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| 116 | #else
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| 117 | #ifdef STDIO_PTR_LVAL_SETS_CNT
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| 118 | /* assert() may pre-process to ""; potential syntax error (FILE_ptr(), ) */
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| 119 | #define PerlIO_set_ptrcnt(f,p,c) STMT_START {PerlSIO_set_ptr(f,p); assert(PerlSIO_get_cnt(f) == (c));} STMT_END
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| 120 | #define PerlIO_fast_gets(f) 1
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| 121 | #else
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| 122 | #define PerlIO_set_ptrcnt(f,p,c) abort()
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| 123 | #endif
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| 124 | #endif
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| 125 | #endif
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| 126 |
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| 127 | #else /* USE_STDIO_PTR */
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| 128 |
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| 129 | #define PerlIO_has_cntptr(f) 0
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| 130 | #define PerlIO_canset_cnt(f) 0
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| 131 | #define PerlIO_get_cnt(f) (abort(),0)
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| 132 | #define PerlIO_get_ptr(f) (abort(),(void *)0)
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| 133 | #define PerlIO_set_cnt(f,c) abort()
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| 134 | #define PerlIO_set_ptrcnt(f,p,c) abort()
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| 135 |
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| 136 | #endif /* USE_STDIO_PTR */
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| 137 |
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| 138 | #ifndef PerlIO_fast_gets
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| 139 | #define PerlIO_fast_gets(f) 0
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| 140 | #endif
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| 141 |
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| 142 |
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| 143 | #ifdef FILE_base
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| 144 | #define PerlIO_has_base(f) 1
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| 145 | #define PerlIO_get_base(f) PerlSIO_get_base(f)
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| 146 | #define PerlIO_get_bufsiz(f) PerlSIO_get_bufsiz(f)
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| 147 | #else
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| 148 | #define PerlIO_has_base(f) 0
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| 149 | #define PerlIO_get_base(f) (abort(),(void *)0)
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| 150 | #define PerlIO_get_bufsiz(f) (abort(),0)
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| 151 | #endif
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| 152 |
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| 153 | #endif /* NETWARE */
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| 154 | #endif /* PERLIO_IS_STDIO */
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