Changes in libcfa/src/fstream.cfa [a51a02d:c8371b5]
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libcfa/src/fstream.cfa (modified) (13 diffs)
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libcfa/src/fstream.cfa
ra51a02d rc8371b5 10 10 // Created On : Wed May 27 17:56:53 2015 11 11 // Last Modified By : Peter A. Buhr 12 // Last Modified On : Tue Sep 21 21:51:38202113 // Update Count : 46012 // Last Modified On : Sun Oct 10 11:23:05 2021 13 // Update Count : 512 14 14 // 15 15 … … 28 28 #define IO_MSG "I/O error: " 29 29 30 void ?{}( ofstream & os, void * file ) with(os) { 30 // private 31 void ?{}( ofstream & os, void * file ) with( os ) { 31 32 file$ = file; 32 33 sepDefault$ = true; … … 35 36 prt$ = false; 36 37 sawNL$ = false; 37 acquired$ = false;38 38 sepSetCur$( os, sepGet( os ) ); 39 39 sepSet( os, " " ); … … 41 41 } // ?{} 42 42 43 // private 44 bool sepPrt$( ofstream & os ) { setNL$( os, false ); return os.sepOnOff$; } 45 void sepReset$( ofstream & os ) { os.sepOnOff$ = os.sepDefault$; } 46 void sepReset$( ofstream & os, bool reset ) { os.sepDefault$ = reset; os.sepOnOff$ = os.sepDefault$; } 47 const char * sepGetCur$( ofstream & os ) { return os.sepCur$; } 48 void sepSetCur$( ofstream & os, const char sepCur[] ) { os.sepCur$ = sepCur; } 49 bool getNL$( ofstream & os ) { return os.sawNL$; } 50 void setNL$( ofstream & os, bool state ) { os.sawNL$ = state; } 51 bool getANL$( ofstream & os ) { return os.nlOnOff$; } 52 bool getPrt$( ofstream & os ) { return os.prt$; } 53 void setPrt$( ofstream & os, bool state ) { os.prt$ = state; } 43 inline bool sepPrt$( ofstream & os ) { setNL$( os, false ); return os.sepOnOff$; } 44 inline void sepReset$( ofstream & os ) { os.sepOnOff$ = os.sepDefault$; } 45 inline void sepReset$( ofstream & os, bool reset ) { os.sepDefault$ = reset; os.sepOnOff$ = os.sepDefault$; } 46 inline const char * sepGetCur$( ofstream & os ) { return os.sepCur$; } 47 inline void sepSetCur$( ofstream & os, const char sepCur[] ) { os.sepCur$ = sepCur; } 48 inline bool getNL$( ofstream & os ) { return os.sawNL$; } 49 inline void setNL$( ofstream & os, bool state ) { os.sawNL$ = state; } 50 inline bool getANL$( ofstream & os ) { return os.nlOnOff$; } 51 inline bool getPrt$( ofstream & os ) { return os.prt$; } 52 inline void setPrt$( ofstream & os, bool state ) { os.prt$ = state; } 53 54 inline void lock( ofstream & os ) with( os ) { lock( os.lock$ ); } 55 inline void unlock( ofstream & os ) { unlock( os.lock$ ); } 54 56 55 57 // public 56 58 void ?{}( ofstream & os ) { os.file$ = 0p; } 57 58 void ?{}( ofstream & os, const char name[], const char mode[] ) { 59 open( os, name, mode ); 60 } // ?{} 61 62 void ?{}( ofstream & os, const char name[] ) { 63 open( os, name, "w" ); 64 } // ?{} 65 66 void ^?{}( ofstream & os ) { 67 close( os ); 68 } // ^?{} 59 void ?{}( ofstream & os, const char name[], const char mode[] ) { open( os, name, mode ); } 60 void ?{}( ofstream & os, const char name[] ) { open( os, name, "w" ); } 61 void ^?{}( ofstream & os ) { close( os ); } 69 62 70 63 void sepOn( ofstream & os ) { os.sepOnOff$ = ! getNL$( os ); } … … 107 100 if ( &os == &exit ) exit( EXIT_FAILURE ); 108 101 if ( &os == &abort ) abort(); 109 if ( os.acquired$ ) { os.acquired$ = false; release( os ); }110 102 } // ends 111 103 112 bool fail( ofstream & os ) { 113 return os.file$ == 0 || ferror( (FILE *)(os.file$) ); 114 } // fail 115 116 void clear( ofstream & os ) { 117 clearerr( (FILE *)(os.file$) ); 118 } // clear 119 120 int flush( ofstream & os ) { 121 return fflush( (FILE *)(os.file$) ); 122 } // flush 104 bool fail( ofstream & os ) { return os.file$ == 0 || ferror( (FILE *)(os.file$) ); } 105 void clear( ofstream & os ) { clearerr( (FILE *)(os.file$) ); } 106 int flush( ofstream & os ) { return fflush( (FILE *)(os.file$) ); } 123 107 124 108 void open( ofstream & os, const char name[], const char mode[] ) { 125 FILE * file = fopen( name, mode ); 109 FILE * file; 110 for ( cnt; 10 ) { 111 errno = 0; 112 file = fopen( name, mode ); 113 if ( file != 0p || errno != EINTR ) break; // timer interrupt ? 114 if ( cnt == 9 ) abort( "ofstream open EINTR spinning exceeded" ); 115 } // for 126 116 if ( file == 0p ) { 127 117 throw (Open_Failure){ os }; … … 131 121 } // open 132 122 133 void open( ofstream & os, const char name[] ) { 134 open( os, name, "w" ); 135 } // open 136 137 void close( ofstream & os ) with(os) { 123 void open( ofstream & os, const char name[] ) { open( os, name, "w" ); } 124 125 void close( ofstream & os ) with( os ) { 138 126 if ( (FILE *)(file$) == 0p ) return; 139 127 if ( (FILE *)(file$) == (FILE *)stdout || (FILE *)(file$) == (FILE *)stderr ) return; 140 128 141 if ( fclose( (FILE *)(file$) ) == EOF ) { 129 int ret; 130 for ( cnt; 10 ) { 131 errno = 0; 132 ret = fclose( (FILE *)(file$) ); 133 if ( ret != EOF || errno != EINTR ) break; // timer interrupt ? 134 if ( cnt == 9 ) abort( "ofstream open EINTR spinning exceeded" ); 135 } // for 136 if ( ret == EOF ) { 142 137 throw (Close_Failure){ os }; 143 138 // abort | IO_MSG "close output" | nl | strerror( errno ); 144 139 } // if 145 file$ = 0p; 140 file$ = 0p; // safety after close 146 141 } // close 147 142 … … 162 157 va_list args; 163 158 va_start( args, format ); 164 int len = vfprintf( (FILE *)(os.file$), format, args ); 159 160 int len; 161 for ( cnt; 10 ) { 162 errno = 0; 163 len = vfprintf( (FILE *)(os.file$), format, args ); 164 if ( len != EOF || errno != EINTR ) break; // timer interrupt ? 165 if ( cnt == 9 ) abort( "ofstream fmt EINTR spinning exceeded" ); 166 } // for 165 167 if ( len == EOF ) { 166 168 if ( ferror( (FILE *)(os.file$) ) ) { … … 175 177 } // fmt 176 178 177 inline void acquire( ofstream & os ) with(os) {178 lock( lock$ ); // may increase recursive lock179 if ( ! acquired$ ) acquired$ = true; // not locked ?180 else unlock( lock$ ); // unwind recursive lock at start181 } // acquire182 183 inline void release( ofstream & os ) {184 unlock( os.lock$ );185 } // release186 187 void lock( ofstream & os ) { acquire( os ); }188 void unlock( ofstream & os ) { release( os ); }189 190 void ?{}( osacquire & acq, ofstream & os ) { lock( os.lock$ ); &acq.os = &os; }191 void ^?{}( osacquire & acq ) { release( acq.os ); }192 193 179 static ofstream soutFile = { (FILE *)stdout }; 194 180 ofstream & sout = soutFile, & stdout = soutFile; … … 208 194 flush( os ); 209 195 return os; 210 // (ofstream &)(os | '\n');211 // setPrt$( os, false ); // turn off212 // setNL$( os, true );213 // flush( os );214 // return sepOff( os ); // prepare for next line215 196 } // nl 216 197 … … 220 201 221 202 // private 222 void ?{}( ifstream & is, void * file ) with( is) {203 void ?{}( ifstream & is, void * file ) with( is ) { 223 204 file$ = file; 224 205 nlOnOff$ = false; 225 acquired$ = false; 226 } // ?{} 206 } // ?{} 207 208 bool getANL$( ifstream & os ) { return os.nlOnOff$; } 209 210 inline void lock( ifstream & os ) with( os ) { lock( os.lock$ ); } 211 inline void unlock( ifstream & os ) { unlock( os.lock$ ); } 227 212 228 213 // public 229 214 void ?{}( ifstream & is ) { is.file$ = 0p; } 230 231 void ?{}( ifstream & is, const char name[], const char mode[] ) { 232 open( is, name, mode ); 233 } // ?{} 234 235 void ?{}( ifstream & is, const char name[] ) { 236 open( is, name, "r" ); 237 } // ?{} 238 239 void ^?{}( ifstream & is ) { 240 close( is ); 241 } // ^?{} 215 void ?{}( ifstream & is, const char name[], const char mode[] ) { open( is, name, mode ); } 216 void ?{}( ifstream & is, const char name[] ) { open( is, name, "r" ); } 217 void ^?{}( ifstream & is ) { close( is ); } 218 219 bool fail( ifstream & is ) { return is.file$ == 0p || ferror( (FILE *)(is.file$) ); } 220 void clear( ifstream & is ) { clearerr( (FILE *)(is.file$) ); } 242 221 243 222 void nlOn( ifstream & os ) { os.nlOnOff$ = true; } 244 223 void nlOff( ifstream & os ) { os.nlOnOff$ = false; } 245 bool getANL( ifstream & os ) { return os.nlOnOff$; } 246 247 bool fail( ifstream & is ) { 248 return is.file$ == 0p || ferror( (FILE *)(is.file$) ); 249 } // fail 250 251 void clear( ifstream & is ) { 252 clearerr( (FILE *)(is.file$) ); 253 } // clear 254 255 void ends( ifstream & is ) { 256 if ( is.acquired$ ) { is.acquired$ = false; release( is ); } 257 } // ends 258 259 bool eof( ifstream & is ) { 260 return feof( (FILE *)(is.file$) ); 261 } // eof 224 225 void ends( ifstream & is ) {} 226 227 bool eof( ifstream & is ) { return feof( (FILE *)(is.file$) ) != 0; } 262 228 263 229 void open( ifstream & is, const char name[], const char mode[] ) { 264 FILE * file = fopen( name, mode ); 230 FILE * file; 231 for ( cnt; 10 ) { 232 errno = 0; 233 file = fopen( name, mode ); 234 if ( file != 0p || errno != EINTR ) break; // timer interrupt ? 235 if ( cnt == 9 ) abort( "ifstream open EINTR spinning exceeded" ); 236 } // for 265 237 if ( file == 0p ) { 266 238 throw (Open_Failure){ is }; … … 270 242 } // open 271 243 272 void open( ifstream & is, const char name[] ) { 273 open( is, name, "r" ); 274 } // open 275 276 void close( ifstream & is ) with(is) { 244 void open( ifstream & is, const char name[] ) { open( is, name, "r" ); } 245 246 void close( ifstream & is ) with( is ) { 277 247 if ( (FILE *)(file$) == 0p ) return; 278 248 if ( (FILE *)(file$) == (FILE *)stdin ) return; 279 249 280 if ( fclose( (FILE *)(file$) ) == EOF ) { 250 int ret; 251 for ( cnt; 10 ) { 252 errno = 0; 253 ret = fclose( (FILE *)(file$) ); 254 if ( ret != EOF || errno != EINTR ) break; // timer interrupt ? 255 if ( cnt == 9 ) abort( "ifstream close EINTR spinning exceeded" ); 256 } // for 257 if ( ret == EOF ) { 281 258 throw (Close_Failure){ is }; 282 259 // abort | IO_MSG "close input" | nl | strerror( errno ); 283 260 } // if 284 file$ = 0p; 261 file$ = 0p; // safety after close 285 262 } // close 286 263 … … 311 288 int fmt( ifstream & is, const char format[], ... ) { 312 289 va_list args; 313 314 290 va_start( args, format ); 315 int len = vfscanf( (FILE *)(is.file$), format, args ); 291 292 int len; 293 for () { // no check for EINTR limit waiting for keyboard input 294 errno = 0; 295 len = vfscanf( (FILE *)(is.file$), format, args ); 296 if ( len != EOF || errno != EINTR ) break; // timer interrupt ? 297 } // for 316 298 if ( len == EOF ) { 317 299 if ( ferror( (FILE *)(is.file$) ) ) { … … 322 304 return len; 323 305 } // fmt 324 325 inline void acquire( ifstream & is ) with(is) {326 lock( lock$ ); // may increase recursive lock327 if ( ! acquired$ ) acquired$ = true; // not locked ?328 else unlock( lock$ ); // unwind recursive lock at start329 } // acquire330 331 inline void release( ifstream & is ) {332 unlock( is.lock$ );333 } // release334 335 void ?{}( isacquire & acq, ifstream & is ) { lock( is.lock$ ); &acq.is = &is; }336 void ^?{}( isacquire & acq ) { release( acq.is ); }337 306 338 307 static ifstream sinFile = { (FILE *)stdin };
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