16 ** Implements all of the File Access word set that can be implemented in portable C.
20 static void pushIor(FICL_VM *pVM, int success)
27 stackPushINT(pVM->pStack, ior);
32 static void ficlFopen(FICL_VM *pVM, char *writeMode) /* ( c-addr u fam -- fileid ior ) */
34 int fam = stackPopINT(pVM->pStack);
35 int length = stackPopINT(pVM->pStack);
36 void *address = (void *)stackPopPtr(pVM->pStack);
40 char *filename = (char *)alloca(length + 1);
41 memcpy(filename, address, length);
46 switch (FICL_FAM_OPEN_MODE(fam))
49 stackPushPtr(pVM->pStack, NULL);
50 stackPushINT(pVM->pStack, EINVAL);
56 strcat(mode, writeMode);
58 case FICL_FAM_READ | FICL_FAM_WRITE:
59 strcat(mode, writeMode);
64 strcat(mode, (fam & FICL_FAM_BINARY) ? "b" : "t");
66 f = fopen(filename, mode);
68 stackPushPtr(pVM->pStack, NULL);
70 #ifdef LOADER_VERIEXEC
72 verify_file(fileno(f), filename, 0, VE_GUESS, __func__) < 0) {
74 stackPushPtr(pVM->pStack, NULL);
78 ficlFILE *ff = (ficlFILE *)malloc(sizeof(ficlFILE));
79 strcpy(ff->filename, filename);
81 stackPushPtr(pVM->pStack, ff);
83 fseek(f, 0, SEEK_SET);
85 pushIor(pVM, f != NULL);
90 static void ficlOpenFile(FICL_VM *pVM) /* ( c-addr u fam -- fileid ior ) */
96 static void ficlCreateFile(FICL_VM *pVM) /* ( c-addr u fam -- fileid ior ) */
102 static int closeFiclFILE(ficlFILE *ff) /* ( fileid -- ior ) */
109 static void ficlCloseFile(FICL_VM *pVM) /* ( fileid -- ior ) */
111 ficlFILE *ff = (ficlFILE *)stackPopPtr(pVM->pStack);
112 pushIor(pVM, closeFiclFILE(ff));
115 static void ficlDeleteFile(FICL_VM *pVM) /* ( c-addr u -- ior ) */
117 int length = stackPopINT(pVM->pStack);
118 void *address = (void *)stackPopPtr(pVM->pStack);
120 char *filename = (char *)alloca(length + 1);
121 memcpy(filename, address, length);
122 filename[length] = 0;
124 pushIor(pVM, !unlink(filename));
127 static void ficlRenameFile(FICL_VM *pVM) /* ( c-addr1 u1 c-addr2 u2 -- ior ) */
134 length = stackPopINT(pVM->pStack);
135 address = (void *)stackPopPtr(pVM->pStack);
136 to = (char *)alloca(length + 1);
137 memcpy(to, address, length);
140 length = stackPopINT(pVM->pStack);
141 address = (void *)stackPopPtr(pVM->pStack);
143 from = (char *)alloca(length + 1);
144 memcpy(from, address, length);
147 pushIor(pVM, !rename(from, to));
150 static void ficlFileStatus(FICL_VM *pVM) /* ( c-addr u -- x ior ) */
154 int length = stackPopINT(pVM->pStack);
155 void *address = (void *)stackPopPtr(pVM->pStack);
157 char *filename = (char *)alloca(length + 1);
158 memcpy(filename, address, length);
159 filename[length] = 0;
161 if (stat(filename, &statbuf) == 0)
164 ** the "x" left on the stack is implementation-defined.
165 ** I push the file's access mode (readable, writeable, is directory, etc)
166 ** as defined by ANSI C.
168 stackPushINT(pVM->pStack, statbuf.st_mode);
169 stackPushINT(pVM->pStack, 0);
173 stackPushINT(pVM->pStack, -1);
174 stackPushINT(pVM->pStack, ENOENT);
179 static void ficlFilePosition(FICL_VM *pVM) /* ( fileid -- ud ior ) */
181 ficlFILE *ff = (ficlFILE *)stackPopPtr(pVM->pStack);
182 long ud = ftell(ff->f);
183 stackPushINT(pVM->pStack, ud);
184 pushIor(pVM, ud != -1);
189 static long fileSize(FILE *f)
192 statbuf.st_size = -1;
193 if (fstat(fileno(f), &statbuf) != 0)
195 return statbuf.st_size;
200 static void ficlFileSize(FICL_VM *pVM) /* ( fileid -- ud ior ) */
202 ficlFILE *ff = (ficlFILE *)stackPopPtr(pVM->pStack);
203 long ud = fileSize(ff->f);
204 stackPushINT(pVM->pStack, ud);
205 pushIor(pVM, ud != -1);
211 static void ficlIncludeFile(FICL_VM *pVM) /* ( i*x fileid -- j*x ) */
213 ficlFILE *ff = (ficlFILE *)stackPopPtr(pVM->pStack);
214 CELL id = pVM->sourceID;
215 int result = VM_OUTOFTEXT;
216 long currentPosition, totalSize;
218 pVM->sourceID.p = (void *)ff;
220 currentPosition = ftell(ff->f);
221 totalSize = fileSize(ff->f);
222 size = totalSize - currentPosition;
224 if ((totalSize != -1) && (currentPosition != -1) && (size > 0))
226 char *buffer = (char *)malloc(size);
227 long got = fread(buffer, 1, size, ff->f);
229 result = ficlExecC(pVM, buffer, size);
233 ficlFILE *ff = (ficlFILE *)stackPopPtr(pVM->pStack);
234 CELL id = pVM->sourceID;
239 pVM->sourceID.p = (void *)ff;
241 /* feed each line to ficlExec */
243 while (keepGoing && fgets(cp, nLINEBUF, ff->f))
245 int len = strlen(cp) - 1;
254 result = ficlExec(pVM, cp);
270 ** Pass an empty line with SOURCE-ID == -1 to flush
271 ** any pending REFILLs (as required by FILE wordset)
273 pVM->sourceID.i = -1;
282 static void ficlReadFile(FICL_VM *pVM) /* ( c-addr u1 fileid -- u2 ior ) */
284 ficlFILE *ff = (ficlFILE *)stackPopPtr(pVM->pStack);
285 int length = stackPopINT(pVM->pStack);
286 void *address = (void *)stackPopPtr(pVM->pStack);
290 result = fread(address, 1, length, ff->f);
292 stackPushINT(pVM->pStack, result);
293 pushIor(pVM, ferror(ff->f) == 0);
298 static void ficlReadLine(FICL_VM *pVM) /* ( c-addr u1 fileid -- u2 flag ior ) */
300 ficlFILE *ff = (ficlFILE *)stackPopPtr(pVM->pStack);
301 int length = stackPopINT(pVM->pStack);
302 char *address = (char *)stackPopPtr(pVM->pStack);
308 stackPushINT(pVM->pStack, -1);
309 stackPushINT(pVM->pStack, 0);
310 stackPushINT(pVM->pStack, 0);
316 fgets(address, length, ff->f);
318 error = ferror(ff->f);
321 stackPushINT(pVM->pStack, -1);
322 stackPushINT(pVM->pStack, 0);
323 stackPushINT(pVM->pStack, error);
327 length = strlen(address);
329 if (length && ((address[length - 1] == '\r') || (address[length - 1] == '\n')))
332 stackPushINT(pVM->pStack, length);
333 stackPushINT(pVM->pStack, flag);
334 stackPushINT(pVM->pStack, 0); /* ior */
339 static void ficlWriteFile(FICL_VM *pVM) /* ( c-addr u1 fileid -- ior ) */
341 ficlFILE *ff = (ficlFILE *)stackPopPtr(pVM->pStack);
342 int length = stackPopINT(pVM->pStack);
343 void *address = (void *)stackPopPtr(pVM->pStack);
346 fwrite(address, 1, length, ff->f);
347 pushIor(pVM, ferror(ff->f) == 0);
352 static void ficlWriteLine(FICL_VM *pVM) /* ( c-addr u1 fileid -- ior ) */
354 ficlFILE *ff = (ficlFILE *)stackPopPtr(pVM->pStack);
355 size_t length = (size_t)stackPopINT(pVM->pStack);
356 void *address = (void *)stackPopPtr(pVM->pStack);
359 if (fwrite(address, 1, length, ff->f) == length)
360 fwrite("\n", 1, 1, ff->f);
361 pushIor(pVM, ferror(ff->f) == 0);
366 static void ficlRepositionFile(FICL_VM *pVM) /* ( ud fileid -- ior ) */
368 ficlFILE *ff = (ficlFILE *)stackPopPtr(pVM->pStack);
369 size_t ud = (size_t)stackPopINT(pVM->pStack);
371 pushIor(pVM, fseek(ff->f, ud, SEEK_SET) == 0);
376 static void ficlFlushFile(FICL_VM *pVM) /* ( fileid -- ior ) */
378 ficlFILE *ff = (ficlFILE *)stackPopPtr(pVM->pStack);
379 pushIor(pVM, fflush(ff->f) == 0);
384 #if FICL_HAVE_FTRUNCATE
386 static void ficlResizeFile(FICL_VM *pVM) /* ( ud fileid -- ior ) */
388 ficlFILE *ff = (ficlFILE *)stackPopPtr(pVM->pStack);
389 size_t ud = (size_t)stackPopINT(pVM->pStack);
391 pushIor(pVM, ftruncate(fileno(ff->f), ud) == 0);
394 #endif /* FICL_HAVE_FTRUNCATE */
396 #endif /* FICL_WANT_FILE */
400 void ficlCompileFile(FICL_SYSTEM *pSys)
403 FICL_DICT *dp = pSys->dp;
406 dictAppendWord(dp, "create-file", ficlCreateFile, FW_DEFAULT);
407 dictAppendWord(dp, "open-file", ficlOpenFile, FW_DEFAULT);
408 dictAppendWord(dp, "close-file", ficlCloseFile, FW_DEFAULT);
409 dictAppendWord(dp, "include-file", ficlIncludeFile, FW_DEFAULT);
410 dictAppendWord(dp, "read-file", ficlReadFile, FW_DEFAULT);
411 dictAppendWord(dp, "read-line", ficlReadLine, FW_DEFAULT);
412 dictAppendWord(dp, "write-file", ficlWriteFile, FW_DEFAULT);
413 dictAppendWord(dp, "write-line", ficlWriteLine, FW_DEFAULT);
414 dictAppendWord(dp, "file-position", ficlFilePosition, FW_DEFAULT);
415 dictAppendWord(dp, "file-size", ficlFileSize, FW_DEFAULT);
416 dictAppendWord(dp, "reposition-file", ficlRepositionFile, FW_DEFAULT);
417 dictAppendWord(dp, "file-status", ficlFileStatus, FW_DEFAULT);
418 dictAppendWord(dp, "flush-file", ficlFlushFile, FW_DEFAULT);
420 dictAppendWord(dp, "delete-file", ficlDeleteFile, FW_DEFAULT);
421 dictAppendWord(dp, "rename-file", ficlRenameFile, FW_DEFAULT);
423 #ifdef FICL_HAVE_FTRUNCATE
424 dictAppendWord(dp, "resize-file", ficlResizeFile, FW_DEFAULT);
426 ficlSetEnv(pSys, "file", FICL_TRUE);
427 ficlSetEnv(pSys, "file-ext", FICL_TRUE);
428 #endif /* FICL_HAVE_FTRUNCATE */
431 #endif /* FICL_WANT_FILE */