fio.c (da52b4caaf187775f6b56a72c6b16e94ad728f7b) fio.c (6d8484b0d0191b66f9bfd0dfa89c06a29647f02a)
1/*
2 * Copyright (c) 1980, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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51 */
52
53extern int wait_status;
54
55/*
56 * Set up the input pointers while copying the mail file into /tmp.
57 */
58void
1/*
2 * Copyright (c) 1980, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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51 */
52
53extern int wait_status;
54
55/*
56 * Set up the input pointers while copying the mail file into /tmp.
57 */
58void
59setptr(ibuf, offset)
60 FILE *ibuf;
61 off_t offset;
59setptr(FILE *ibuf, off_t offset)
62{
63 int c, count;
64 char *cp, *cp2;
65 struct message this;
66 FILE *mestmp;
67 int maybe, inhead;
68 char linebuf[LINESIZE], pathbuf[PATHSIZE];
69 int omsgCount;

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158}
159
160/*
161 * Drop the passed line onto the passed output buffer.
162 * If a write error occurs, return -1, else the count of
163 * characters written, including the newline if requested.
164 */
165int
60{
61 int c, count;
62 char *cp, *cp2;
63 struct message this;
64 FILE *mestmp;
65 int maybe, inhead;
66 char linebuf[LINESIZE], pathbuf[PATHSIZE];
67 int omsgCount;

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156}
157
158/*
159 * Drop the passed line onto the passed output buffer.
160 * If a write error occurs, return -1, else the count of
161 * characters written, including the newline if requested.
162 */
163int
166putline(obuf, linebuf, outlf)
167 FILE *obuf;
168 char *linebuf;
169 int outlf;
164putline(FILE *obuf, char *linebuf, int outlf)
170{
171 int c;
172
173 c = strlen(linebuf);
174 (void)fwrite(linebuf, sizeof(*linebuf), c, obuf);
175 if (outlf) {
176 fprintf(obuf, "\n");
177 c++;

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182}
183
184/*
185 * Read up a line from the specified input into the line
186 * buffer. Return the number of characters read. Do not
187 * include the newline (or carriage return) at the end.
188 */
189int
165{
166 int c;
167
168 c = strlen(linebuf);
169 (void)fwrite(linebuf, sizeof(*linebuf), c, obuf);
170 if (outlf) {
171 fprintf(obuf, "\n");
172 c++;

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177}
178
179/*
180 * Read up a line from the specified input into the line
181 * buffer. Return the number of characters read. Do not
182 * include the newline (or carriage return) at the end.
183 */
184int
190readline(ibuf, linebuf, linesize)
191 FILE *ibuf;
192 char *linebuf;
193 int linesize;
185readline(FILE *ibuf, char *linebuf, int linesize)
194{
195 int n;
196
197 clearerr(ibuf);
198 if (fgets(linebuf, linesize, ibuf) == NULL)
199 return (-1);
200 n = strlen(linebuf);
201 if (n > 0 && linebuf[n - 1] == '\n')
202 linebuf[--n] = '\0';
203 if (n > 0 && linebuf[n - 1] == '\r')
204 linebuf[--n] = '\0';
205 return (n);
206}
207
208/*
209 * Return a file buffer all ready to read up the
210 * passed message pointer.
211 */
212FILE *
186{
187 int n;
188
189 clearerr(ibuf);
190 if (fgets(linebuf, linesize, ibuf) == NULL)
191 return (-1);
192 n = strlen(linebuf);
193 if (n > 0 && linebuf[n - 1] == '\n')
194 linebuf[--n] = '\0';
195 if (n > 0 && linebuf[n - 1] == '\r')
196 linebuf[--n] = '\0';
197 return (n);
198}
199
200/*
201 * Return a file buffer all ready to read up the
202 * passed message pointer.
203 */
204FILE *
213setinput(mp)
214 struct message *mp;
205setinput(struct message *mp)
215{
216
217 (void)fflush(otf);
218 if (fseeko(itf,
219 positionof(mp->m_block, mp->m_offset), SEEK_SET) < 0)
220 err(1, "fseeko");
221 return (itf);
222}
223
224/*
225 * Take the data out of the passed ghost file and toss it into
226 * a dynamically allocated message structure.
227 */
228void
206{
207
208 (void)fflush(otf);
209 if (fseeko(itf,
210 positionof(mp->m_block, mp->m_offset), SEEK_SET) < 0)
211 err(1, "fseeko");
212 return (itf);
213}
214
215/*
216 * Take the data out of the passed ghost file and toss it into
217 * a dynamically allocated message structure.
218 */
219void
229makemessage(f, omsgCount)
230 FILE *f;
231 int omsgCount;
220makemessage(FILE *f, int omsgCount)
232{
233 size_t size;
234 struct message *nmessage;
235
236 size = (msgCount + 1) * sizeof(struct message);
237 nmessage = (struct message *)realloc(message, size);
238 if (nmessage == NULL)
239 errx(1, "Insufficient memory for %d messages\n",

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253 (void)Fclose(f);
254}
255
256/*
257 * Append the passed message descriptor onto the temp file.
258 * If the write fails, return 1, else 0
259 */
260int
221{
222 size_t size;
223 struct message *nmessage;
224
225 size = (msgCount + 1) * sizeof(struct message);
226 nmessage = (struct message *)realloc(message, size);
227 if (nmessage == NULL)
228 errx(1, "Insufficient memory for %d messages\n",

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242 (void)Fclose(f);
243}
244
245/*
246 * Append the passed message descriptor onto the temp file.
247 * If the write fails, return 1, else 0
248 */
249int
261append(mp, f)
262 struct message *mp;
263 FILE *f;
250append(struct message *mp, FILE *f)
264{
265 return (fwrite((char *)mp, sizeof(*mp), 1, f) != 1);
266}
267
268/*
269 * Delete a file, but only if the file is a plain file.
270 */
271int
251{
252 return (fwrite((char *)mp, sizeof(*mp), 1, f) != 1);
253}
254
255/*
256 * Delete a file, but only if the file is a plain file.
257 */
258int
272rm(name)
273 char *name;
259rm(char *name)
274{
275 struct stat sb;
276
277 if (stat(name, &sb) < 0)
278 return (-1);
279 if (!S_ISREG(sb.st_mode)) {
280 errno = EISDIR;
281 return (-1);
282 }
283 return (unlink(name));
284}
285
286static int sigdepth; /* depth of holdsigs() */
287static sigset_t nset, oset;
288/*
289 * Hold signals SIGHUP, SIGINT, and SIGQUIT.
290 */
291void
260{
261 struct stat sb;
262
263 if (stat(name, &sb) < 0)
264 return (-1);
265 if (!S_ISREG(sb.st_mode)) {
266 errno = EISDIR;
267 return (-1);
268 }
269 return (unlink(name));
270}
271
272static int sigdepth; /* depth of holdsigs() */
273static sigset_t nset, oset;
274/*
275 * Hold signals SIGHUP, SIGINT, and SIGQUIT.
276 */
277void
292holdsigs()
278holdsigs(void)
293{
294
295 if (sigdepth++ == 0) {
296 (void)sigemptyset(&nset);
297 (void)sigaddset(&nset, SIGHUP);
298 (void)sigaddset(&nset, SIGINT);
299 (void)sigaddset(&nset, SIGQUIT);
300 (void)sigprocmask(SIG_BLOCK, &nset, &oset);
301 }
302}
303
304/*
305 * Release signals SIGHUP, SIGINT, and SIGQUIT.
306 */
307void
279{
280
281 if (sigdepth++ == 0) {
282 (void)sigemptyset(&nset);
283 (void)sigaddset(&nset, SIGHUP);
284 (void)sigaddset(&nset, SIGINT);
285 (void)sigaddset(&nset, SIGQUIT);
286 (void)sigprocmask(SIG_BLOCK, &nset, &oset);
287 }
288}
289
290/*
291 * Release signals SIGHUP, SIGINT, and SIGQUIT.
292 */
293void
308relsesigs()
294relsesigs(void)
309{
310
311 if (--sigdepth == 0)
312 (void)sigprocmask(SIG_SETMASK, &oset, NULL);
313}
314
315/*
316 * Determine the size of the file possessed by
317 * the passed buffer.
318 */
319off_t
295{
296
297 if (--sigdepth == 0)
298 (void)sigprocmask(SIG_SETMASK, &oset, NULL);
299}
300
301/*
302 * Determine the size of the file possessed by
303 * the passed buffer.
304 */
305off_t
320fsize(iob)
321 FILE *iob;
306fsize(FILE *iob)
322{
323 struct stat sbuf;
324
325 if (fstat(fileno(iob), &sbuf) < 0)
326 return (0);
327 return (sbuf.st_size);
328}
329

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334 * %user for user's system mail box
335 * # for previous file
336 * & invoker's mbox file
337 * +file file in folder directory
338 * any shell meta character
339 * Return the file name as a dynamic string.
340 */
341char *
307{
308 struct stat sbuf;
309
310 if (fstat(fileno(iob), &sbuf) < 0)
311 return (0);
312 return (sbuf.st_size);
313}
314

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319 * %user for user's system mail box
320 * # for previous file
321 * & invoker's mbox file
322 * +file file in folder directory
323 * any shell meta character
324 * Return the file name as a dynamic string.
325 */
326char *
342expand(name)
343 char *name;
327expand(char *name)
344{
345 char xname[PATHSIZE];
346 char cmdbuf[PATHSIZE]; /* also used for file names */
347 int pid, l;
348 char *cp, *sh;
349 int pivec[2];
350 struct stat sbuf;
351

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427 }
428 return (savestr(xname));
429}
430
431/*
432 * Determine the current folder directory name.
433 */
434int
328{
329 char xname[PATHSIZE];
330 char cmdbuf[PATHSIZE]; /* also used for file names */
331 int pid, l;
332 char *cp, *sh;
333 int pivec[2];
334 struct stat sbuf;
335

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411 }
412 return (savestr(xname));
413}
414
415/*
416 * Determine the current folder directory name.
417 */
418int
435getfold(name, namelen)
436 char *name;
437 int namelen;
419getfold(char *name, int namelen)
438{
439 char *folder;
440 int copylen;
441
442 if ((folder = value("folder")) == NULL)
443 return (-1);
444 if (*folder == '/')
445 copylen = strlcpy(name, folder, namelen);
446 else
447 copylen = snprintf(name, namelen, "%s/%s",
448 homedir ? homedir : ".", folder);
449 return (copylen < 0 || copylen >= namelen ? (-1) : (0));
450}
451
452/*
453 * Return the name of the dead.letter file.
454 */
455char *
420{
421 char *folder;
422 int copylen;
423
424 if ((folder = value("folder")) == NULL)
425 return (-1);
426 if (*folder == '/')
427 copylen = strlcpy(name, folder, namelen);
428 else
429 copylen = snprintf(name, namelen, "%s/%s",
430 homedir ? homedir : ".", folder);
431 return (copylen < 0 || copylen >= namelen ? (-1) : (0));
432}
433
434/*
435 * Return the name of the dead.letter file.
436 */
437char *
456getdeadletter()
438getdeadletter(void)
457{
458 char *cp;
459
460 if ((cp = value("DEAD")) == NULL || (cp = expand(cp)) == NULL)
461 cp = expand("~/dead.letter");
462 else if (*cp != '/') {
463 char buf[PATHSIZE];
464
465 (void)snprintf(buf, sizeof(buf), "~/%s", cp);
466 cp = expand(buf);
467 }
468 return (cp);
469}
439{
440 char *cp;
441
442 if ((cp = value("DEAD")) == NULL || (cp = expand(cp)) == NULL)
443 cp = expand("~/dead.letter");
444 else if (*cp != '/') {
445 char buf[PATHSIZE];
446
447 (void)snprintf(buf, sizeof(buf), "~/%s", cp);
448 cp = expand(buf);
449 }
450 return (cp);
451}