1*0Sstevel@tonic-gate /* perlsdio.h 2*0Sstevel@tonic-gate * 3*0Sstevel@tonic-gate * Copyright (C) 1996, 1997, 1998, 1999, 4*0Sstevel@tonic-gate * 2000, 2001, 2002, by Larry Wall and others 5*0Sstevel@tonic-gate * 6*0Sstevel@tonic-gate * You may distribute under the terms of either the GNU General Public 7*0Sstevel@tonic-gate * License or the Artistic License, as specified in the README file. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate */ 10*0Sstevel@tonic-gate 11*0Sstevel@tonic-gate #ifdef PERLIO_IS_STDIO 12*0Sstevel@tonic-gate 13*0Sstevel@tonic-gate #ifdef NETWARE 14*0Sstevel@tonic-gate #include "nwstdio.h" 15*0Sstevel@tonic-gate #else 16*0Sstevel@tonic-gate 17*0Sstevel@tonic-gate /* 18*0Sstevel@tonic-gate * This file #define-s the PerlIO_xxx abstraction onto stdio functions. 19*0Sstevel@tonic-gate * Make this as close to original stdio as possible. 20*0Sstevel@tonic-gate */ 21*0Sstevel@tonic-gate #define PerlIO FILE 22*0Sstevel@tonic-gate #define PerlIO_stderr() PerlSIO_stderr 23*0Sstevel@tonic-gate #define PerlIO_stdout() PerlSIO_stdout 24*0Sstevel@tonic-gate #define PerlIO_stdin() PerlSIO_stdin 25*0Sstevel@tonic-gate 26*0Sstevel@tonic-gate #define PerlIO_isutf8(f) 0 27*0Sstevel@tonic-gate 28*0Sstevel@tonic-gate #define PerlIO_printf PerlSIO_printf 29*0Sstevel@tonic-gate #define PerlIO_stdoutf PerlSIO_stdoutf 30*0Sstevel@tonic-gate #define PerlIO_vprintf(f,fmt,a) PerlSIO_vprintf(f,fmt,a) 31*0Sstevel@tonic-gate #define PerlIO_write(f,buf,count) PerlSIO_fwrite(buf,1,count,f) 32*0Sstevel@tonic-gate #define PerlIO_unread(f,buf,count) (-1) 33*0Sstevel@tonic-gate #define PerlIO_open PerlSIO_fopen 34*0Sstevel@tonic-gate #define PerlIO_fdopen PerlSIO_fdopen 35*0Sstevel@tonic-gate #define PerlIO_reopen PerlSIO_freopen 36*0Sstevel@tonic-gate #define PerlIO_close(f) PerlSIO_fclose(f) 37*0Sstevel@tonic-gate #define PerlIO_puts(f,s) PerlSIO_fputs(f,s) 38*0Sstevel@tonic-gate #define PerlIO_putc(f,c) PerlSIO_fputc(f,c) 39*0Sstevel@tonic-gate #if defined(VMS) 40*0Sstevel@tonic-gate # if defined(__DECC) 41*0Sstevel@tonic-gate /* Unusual definition of ungetc() here to accomodate fast_sv_gets()' 42*0Sstevel@tonic-gate * belief that it can mix getc/ungetc with reads from stdio buffer */ 43*0Sstevel@tonic-gate int decc$ungetc(int __c, FILE *__stream); 44*0Sstevel@tonic-gate # define PerlIO_ungetc(f,c) ((c) == EOF ? EOF : \ 45*0Sstevel@tonic-gate ((*(f) && !((*(f))->_flag & _IONBF) && \ 46*0Sstevel@tonic-gate ((*(f))->_ptr > (*(f))->_base)) ? \ 47*0Sstevel@tonic-gate ((*(f))->_cnt++, *(--(*(f))->_ptr) = (c)) : decc$ungetc(c,f))) 48*0Sstevel@tonic-gate # else 49*0Sstevel@tonic-gate # define PerlIO_ungetc(f,c) ungetc(c,f) 50*0Sstevel@tonic-gate # endif 51*0Sstevel@tonic-gate /* Work around bug in DECCRTL/AXP (DECC v5.x) and some versions of old 52*0Sstevel@tonic-gate * VAXCRTL which causes read from a pipe after EOF has been returned 53*0Sstevel@tonic-gate * once to hang. 54*0Sstevel@tonic-gate */ 55*0Sstevel@tonic-gate # define PerlIO_getc(f) \ 56*0Sstevel@tonic-gate (feof(f) ? EOF : getc(f)) 57*0Sstevel@tonic-gate # define PerlIO_read(f,buf,count) \ 58*0Sstevel@tonic-gate (feof(f) ? 0 : (SSize_t)fread(buf,1,count,f)) 59*0Sstevel@tonic-gate # define PerlIO_tell(f) ftell(f) 60*0Sstevel@tonic-gate #else 61*0Sstevel@tonic-gate # define PerlIO_getc(f) PerlSIO_fgetc(f) 62*0Sstevel@tonic-gate # define PerlIO_ungetc(f,c) PerlSIO_ungetc(c,f) 63*0Sstevel@tonic-gate # define PerlIO_read(f,buf,count) (SSize_t)PerlSIO_fread(buf,1,count,f) 64*0Sstevel@tonic-gate # define PerlIO_tell(f) PerlSIO_ftell(f) 65*0Sstevel@tonic-gate #endif 66*0Sstevel@tonic-gate #define PerlIO_eof(f) PerlSIO_feof(f) 67*0Sstevel@tonic-gate #define PerlIO_getname(f,b) fgetname(f,b) 68*0Sstevel@tonic-gate #define PerlIO_error(f) PerlSIO_ferror(f) 69*0Sstevel@tonic-gate #define PerlIO_fileno(f) PerlSIO_fileno(f) 70*0Sstevel@tonic-gate #define PerlIO_clearerr(f) PerlSIO_clearerr(f) 71*0Sstevel@tonic-gate #define PerlIO_flush(f) PerlSIO_fflush(f) 72*0Sstevel@tonic-gate #if defined(VMS) && !defined(__DECC) 73*0Sstevel@tonic-gate /* Old VAXC RTL doesn't reset EOF on seek; Perl folk seem to expect this */ 74*0Sstevel@tonic-gate #define PerlIO_seek(f,o,w) (((f) && (*f) && ((*f)->_flag &= ~_IOEOF)),fseek(f,o,w)) 75*0Sstevel@tonic-gate #else 76*0Sstevel@tonic-gate # define PerlIO_seek(f,o,w) PerlSIO_fseek(f,o,w) 77*0Sstevel@tonic-gate #endif 78*0Sstevel@tonic-gate 79*0Sstevel@tonic-gate #define PerlIO_rewind(f) PerlSIO_rewind(f) 80*0Sstevel@tonic-gate #define PerlIO_tmpfile() PerlSIO_tmpfile() 81*0Sstevel@tonic-gate 82*0Sstevel@tonic-gate #define PerlIO_importFILE(f,fl) (f) 83*0Sstevel@tonic-gate #define PerlIO_exportFILE(f,fl) (f) 84*0Sstevel@tonic-gate #define PerlIO_findFILE(f) (f) 85*0Sstevel@tonic-gate #define PerlIO_releaseFILE(p,f) ((void) 0) 86*0Sstevel@tonic-gate 87*0Sstevel@tonic-gate #ifdef HAS_SETLINEBUF 88*0Sstevel@tonic-gate #define PerlIO_setlinebuf(f) PerlSIO_setlinebuf(f); 89*0Sstevel@tonic-gate #else 90*0Sstevel@tonic-gate #define PerlIO_setlinebuf(f) PerlSIO_setvbuf(f, Nullch, _IOLBF, 0); 91*0Sstevel@tonic-gate #endif 92*0Sstevel@tonic-gate 93*0Sstevel@tonic-gate /* Now our interface to Configure's FILE_xxx macros */ 94*0Sstevel@tonic-gate 95*0Sstevel@tonic-gate #ifdef USE_STDIO_PTR 96*0Sstevel@tonic-gate #define PerlIO_has_cntptr(f) 1 97*0Sstevel@tonic-gate #define PerlIO_get_ptr(f) PerlSIO_get_ptr(f) 98*0Sstevel@tonic-gate #define PerlIO_get_cnt(f) PerlSIO_get_cnt(f) 99*0Sstevel@tonic-gate 100*0Sstevel@tonic-gate #ifdef STDIO_CNT_LVALUE 101*0Sstevel@tonic-gate #define PerlIO_canset_cnt(f) 1 102*0Sstevel@tonic-gate #define PerlIO_set_cnt(f,c) PerlSIO_set_cnt(f,c) 103*0Sstevel@tonic-gate #ifdef STDIO_PTR_LVALUE 104*0Sstevel@tonic-gate #ifdef STDIO_PTR_LVAL_NOCHANGE_CNT 105*0Sstevel@tonic-gate #define PerlIO_fast_gets(f) 1 106*0Sstevel@tonic-gate #endif 107*0Sstevel@tonic-gate #endif /* STDIO_PTR_LVALUE */ 108*0Sstevel@tonic-gate #else /* STDIO_CNT_LVALUE */ 109*0Sstevel@tonic-gate #define PerlIO_canset_cnt(f) 0 110*0Sstevel@tonic-gate #define PerlIO_set_cnt(f,c) abort() 111*0Sstevel@tonic-gate #endif 112*0Sstevel@tonic-gate 113*0Sstevel@tonic-gate #ifdef STDIO_PTR_LVALUE 114*0Sstevel@tonic-gate #ifdef STDIO_PTR_LVAL_NOCHANGE_CNT 115*0Sstevel@tonic-gate #define PerlIO_set_ptrcnt(f,p,c) STMT_START {PerlSIO_set_ptr(f,p), PerlIO_set_cnt(f,c);} STMT_END 116*0Sstevel@tonic-gate #else 117*0Sstevel@tonic-gate #ifdef STDIO_PTR_LVAL_SETS_CNT 118*0Sstevel@tonic-gate /* assert() may pre-process to ""; potential syntax error (FILE_ptr(), ) */ 119*0Sstevel@tonic-gate #define PerlIO_set_ptrcnt(f,p,c) STMT_START {PerlSIO_set_ptr(f,p); assert(PerlSIO_get_cnt(f) == (c));} STMT_END 120*0Sstevel@tonic-gate #define PerlIO_fast_gets(f) 1 121*0Sstevel@tonic-gate #else 122*0Sstevel@tonic-gate #define PerlIO_set_ptrcnt(f,p,c) abort() 123*0Sstevel@tonic-gate #endif 124*0Sstevel@tonic-gate #endif 125*0Sstevel@tonic-gate #endif 126*0Sstevel@tonic-gate 127*0Sstevel@tonic-gate #else /* USE_STDIO_PTR */ 128*0Sstevel@tonic-gate 129*0Sstevel@tonic-gate #define PerlIO_has_cntptr(f) 0 130*0Sstevel@tonic-gate #define PerlIO_canset_cnt(f) 0 131*0Sstevel@tonic-gate #define PerlIO_get_cnt(f) (abort(),0) 132*0Sstevel@tonic-gate #define PerlIO_get_ptr(f) (abort(),(void *)0) 133*0Sstevel@tonic-gate #define PerlIO_set_cnt(f,c) abort() 134*0Sstevel@tonic-gate #define PerlIO_set_ptrcnt(f,p,c) abort() 135*0Sstevel@tonic-gate 136*0Sstevel@tonic-gate #endif /* USE_STDIO_PTR */ 137*0Sstevel@tonic-gate 138*0Sstevel@tonic-gate #ifndef PerlIO_fast_gets 139*0Sstevel@tonic-gate #define PerlIO_fast_gets(f) 0 140*0Sstevel@tonic-gate #endif 141*0Sstevel@tonic-gate 142*0Sstevel@tonic-gate 143*0Sstevel@tonic-gate #ifdef FILE_base 144*0Sstevel@tonic-gate #define PerlIO_has_base(f) 1 145*0Sstevel@tonic-gate #define PerlIO_get_base(f) PerlSIO_get_base(f) 146*0Sstevel@tonic-gate #define PerlIO_get_bufsiz(f) PerlSIO_get_bufsiz(f) 147*0Sstevel@tonic-gate #else 148*0Sstevel@tonic-gate #define PerlIO_has_base(f) 0 149*0Sstevel@tonic-gate #define PerlIO_get_base(f) (abort(),(void *)0) 150*0Sstevel@tonic-gate #define PerlIO_get_bufsiz(f) (abort(),0) 151*0Sstevel@tonic-gate #endif 152*0Sstevel@tonic-gate 153*0Sstevel@tonic-gate #endif /* NETWARE */ 154*0Sstevel@tonic-gate #endif /* PERLIO_IS_STDIO */ 155