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1 | #ifdef PERLIO_IS_STDIO |
2 | /* |
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3 | * This file #define-s the PerlIO_xxx abstraction onto stdio functions. |
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4 | * Make this as close to original stdio as possible. |
5 | */ |
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6 | #define PerlIO FILE |
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7 | #define PerlIO_stderr() stderr |
8 | #define PerlIO_stdout() stdout |
9 | #define PerlIO_stdin() stdin |
10 | |
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11 | #define PerlIO_fdupopen(f) (f) |
12 | #define PerlIO_isutf8(f) 0 |
13 | |
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14 | #define PerlIO_printf fprintf |
15 | #define PerlIO_stdoutf printf |
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16 | #define PerlIO_vprintf(f,fmt,a) vfprintf(f,fmt,a) |
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17 | #define PerlIO_write(f,buf,count) fwrite1(buf,1,count,f) |
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18 | #define PerlIO_open fopen |
19 | #define PerlIO_fdopen fdopen |
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20 | #define PerlIO_reopen freopen |
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21 | #ifdef SOCKS_64BIT_BUG |
22 | # define PerlIO_close(f) (Perl_do_s64_delete_buffer(f), fclose(f)) |
23 | #else |
24 | # define PerlIO_close(f) fclose(f) |
25 | #endif |
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26 | #define PerlIO_puts(f,s) fputs(s,f) |
27 | #define PerlIO_putc(f,c) fputc(c,f) |
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28 | #if defined(VMS) |
29 | # if defined(__DECC) |
30 | /* Unusual definition of ungetc() here to accomodate fast_sv_gets()' |
31 | * belief that it can mix getc/ungetc with reads from stdio buffer */ |
32 | int decc$ungetc(int __c, FILE *__stream); |
33 | # define PerlIO_ungetc(f,c) ((c) == EOF ? EOF : \ |
34 | ((*(f) && !((*(f))->_flag & _IONBF) && \ |
35 | ((*(f))->_ptr > (*(f))->_base)) ? \ |
36 | ((*(f))->_cnt++, *(--(*(f))->_ptr) = (c)) : decc$ungetc(c,f))) |
37 | # else |
38 | # define PerlIO_ungetc(f,c) ungetc(c,f) |
39 | # endif |
40 | /* Work around bug in DECCRTL/AXP (DECC v5.x) and some versions of old |
41 | * VAXCRTL which causes read from a pipe after EOF has been returned |
42 | * once to hang. |
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43 | */ |
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44 | # define PerlIO_getc(f) \ |
45 | (feof(f) ? EOF : getc(f)) |
46 | # define PerlIO_read(f,buf,count) \ |
47 | (feof(f) ? 0 : (SSize_t)fread(buf,1,count,f)) |
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48 | #else |
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49 | # ifdef SOCKS_64BIT_BUG |
50 | # define PerlIO_getc(f) Perl_do_s64_getc(f) |
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51 | # define PerlIO_ungetc(f,c) Perl_do_s64_ungetc(c,f) |
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52 | # define PerlIO_read(f,buf,count) Perl_do_s64_fread(buf,count,f) |
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53 | # define PerlIO_tell(f) Perl_do_s64_tell(f) |
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54 | # else |
55 | # define PerlIO_getc(f) getc(f) |
56 | # define PerlIO_ungetc(f,c) ungetc(c,f) |
57 | # define PerlIO_read(f,buf,count) (SSize_t)fread(buf,1,count,f) |
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58 | # define PerlIO_tell(f) ftell(f) |
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59 | # endif /* SOCKS_64BIT_BUG */ |
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60 | #endif |
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61 | #define PerlIO_eof(f) feof(f) |
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62 | #define PerlIO_getname(f,b) fgetname(f,b) |
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63 | #define PerlIO_error(f) ferror(f) |
64 | #define PerlIO_fileno(f) fileno(f) |
65 | #define PerlIO_clearerr(f) clearerr(f) |
66 | #define PerlIO_flush(f) Fflush(f) |
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67 | #ifdef SOCKS_64BIT_BUG |
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68 | # define PerlIO_seek(f,o,w) Perl_do_s64_seek(f,o,w) |
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69 | #else |
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70 | # if defined(VMS) && !defined(__DECC) |
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71 | /* Old VAXC RTL doesn't reset EOF on seek; Perl folk seem to expect this */ |
72 | # define PerlIO_seek(f,o,w) (((f) && (*f) && ((*f)->_flag &= ~_IOEOF)),fseek(f,o,w)) |
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73 | # else |
74 | # define PerlIO_seek(f,o,w) fseek(f,o,w) |
75 | # endif |
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76 | #endif |
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77 | #ifdef HAS_FGETPOS |
78 | #define PerlIO_getpos(f,p) fgetpos(f,p) |
79 | #endif |
80 | #ifdef HAS_FSETPOS |
81 | #define PerlIO_setpos(f,p) fsetpos(f,p) |
82 | #endif |
83 | |
84 | #define PerlIO_rewind(f) rewind(f) |
85 | #define PerlIO_tmpfile() tmpfile() |
86 | |
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87 | #define PerlIO_importFILE(f,fl) (f) |
88 | #define PerlIO_exportFILE(f,fl) (f) |
89 | #define PerlIO_findFILE(f) (f) |
90 | #define PerlIO_releaseFILE(p,f) ((void) 0) |
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91 | |
92 | #ifdef HAS_SETLINEBUF |
93 | #define PerlIO_setlinebuf(f) setlinebuf(f); |
94 | #else |
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95 | #define PerlIO_setlinebuf(f) setvbuf(f, Nullch, _IOLBF, 0); |
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96 | #endif |
97 | |
98 | /* Now our interface to Configure's FILE_xxx macros */ |
99 | |
100 | #ifdef USE_STDIO_PTR |
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101 | #define PerlIO_has_cntptr(f) 1 |
102 | #define PerlIO_get_ptr(f) FILE_ptr(f) |
103 | #define PerlIO_get_cnt(f) FILE_cnt(f) |
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104 | |
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105 | #ifdef STDIO_CNT_LVALUE |
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106 | #define PerlIO_canset_cnt(f) 1 |
107 | #define PerlIO_set_cnt(f,c) (FILE_cnt(f) = (c)) |
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108 | #ifdef STDIO_PTR_LVALUE |
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109 | #ifdef STDIO_PTR_LVAL_NOCHANGE_CNT |
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110 | #define PerlIO_fast_gets(f) 1 |
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111 | #endif |
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112 | #endif /* STDIO_PTR_LVALUE */ |
113 | #else /* STDIO_CNT_LVALUE */ |
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114 | #define PerlIO_canset_cnt(f) 0 |
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115 | #define PerlIO_set_cnt(f,c) abort() |
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116 | #endif |
117 | |
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118 | #ifdef STDIO_PTR_LVALUE |
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119 | #ifdef STDIO_PTR_LVAL_NOCHANGE_CNT |
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120 | #define PerlIO_set_ptrcnt(f,p,c) STMT_START {FILE_ptr(f) = (p), PerlIO_set_cnt(f,c);} STMT_END |
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121 | #else |
122 | #ifdef STDIO_PTR_LVAL_SETS_CNT |
123 | /* assert() may pre-process to ""; potential syntax error (FILE_ptr(), ) */ |
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124 | #define PerlIO_set_ptrcnt(f,p,c) STMT_START {FILE_ptr(f) = (p); assert(FILE_cnt(f) == (c));} STMT_END |
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125 | #define PerlIO_fast_gets(f) 1 |
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126 | #else |
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127 | #define PerlIO_set_ptrcnt(f,p,c) abort() |
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128 | #endif |
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129 | #endif |
130 | #endif |
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131 | |
132 | #else /* USE_STDIO_PTR */ |
133 | |
134 | #define PerlIO_has_cntptr(f) 0 |
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135 | #define PerlIO_canset_cnt(f) 0 |
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136 | #define PerlIO_get_cnt(f) (abort(),0) |
137 | #define PerlIO_get_ptr(f) (abort(),(void *)0) |
138 | #define PerlIO_set_cnt(f,c) abort() |
139 | #define PerlIO_set_ptrcnt(f,p,c) abort() |
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140 | |
141 | #endif /* USE_STDIO_PTR */ |
142 | |
143 | #ifndef PerlIO_fast_gets |
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144 | #define PerlIO_fast_gets(f) 0 |
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145 | #endif |
146 | |
147 | |
148 | #ifdef FILE_base |
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149 | #define PerlIO_has_base(f) 1 |
150 | #define PerlIO_get_base(f) FILE_base(f) |
151 | #define PerlIO_get_bufsiz(f) FILE_bufsiz(f) |
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152 | #else |
153 | #define PerlIO_has_base(f) 0 |
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154 | #define PerlIO_get_base(f) (abort(),(void *)0) |
155 | #define PerlIO_get_bufsiz(f) (abort(),0) |
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156 | #endif |
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157 | |
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158 | #endif /* PERLIO_IS_STDIO */ |