-
/*
* dropsbr.c -- create/read/manipulate mail drops
*
int
mbx_open (char *file, int mbx_style, uid_t uid, gid_t gid, mode_t mode)
{
- int j, count, fd;
- struct stat st;
+ int j, count, fd;
+ struct stat st;
- j = 0;
+ j = 0;
- /* attempt to open and lock file */
- for (count = 4; count > 0; count--) {
- if ((fd = lkopen (file, O_RDWR | O_CREAT | O_NONBLOCK, mode)) == NOTOK) {
- switch (errno) {
+ /* attempt to open and lock file */
+ for (count = 4; count > 0; count--) {
+ if ((fd = lkopen (file, O_RDWR | O_CREAT | O_NONBLOCK, mode)) == NOTOK) {
+ switch (errno) {
#if defined(FCNTL_LOCKING) || defined(LOCKF_LOCKING)
- case EACCES:
- case EAGAIN:
+ case EACCES:
+ case EAGAIN:
#endif
#ifdef FLOCK_LOCKING
- case EWOULDBLOCK:
+ case EWOULDBLOCK:
#endif
- case ETXTBSY:
- j = errno;
- sleep (5);
- break;
-
- default:
- /* just return error */
- return NOTOK;
- }
- }
-
- /* good file descriptor */
- break;
- }
+ case ETXTBSY:
+ j = errno;
+ sleep (5);
+ break;
+
+ default:
+ /* just return error */
+ return NOTOK;
+ }
+ }
- errno = j;
+ /* good file descriptor */
+ break;
+ }
- /*
- * Return if we still failed after 4 attempts,
- * or we just want to skip the sanity checks.
- */
- if (fd == NOTOK || mbx_style == OTHER_FORMAT)
- return fd;
+ errno = j;
- /*
- * Do sanity checks on maildrop.
- */
- if (fstat (fd, &st) == NOTOK) {
/*
- * The stat failed. So we make sure file
- * has right ownership/modes
+ * Return if we still failed after 4 attempts,
+ * or we just want to skip the sanity checks.
*/
- chown (file, uid, gid);
- chmod (file, mode);
- } else if (st.st_size > (off_t) 0) {
- int status;
-
- /* check the maildrop */
- switch (mbx_style) {
- case MMDF_FORMAT:
- default:
- status = mbx_chk_mmdf (fd);
- break;
+ if (fd == NOTOK || mbx_style == OTHER_FORMAT)
+ return fd;
- case MBOX_FORMAT:
- status = mbx_chk_mbox (fd);
- break;
- }
+ /*
+ * Do sanity checks on maildrop.
+ */
+ if (fstat (fd, &st) == NOTOK) {
+ /*
+ * The stat failed. So we make sure file
+ * has right ownership/modes
+ */
+ chown (file, uid, gid);
+ chmod (file, mode);
+ } else if (st.st_size > (off_t) 0) {
+ int status;
+
+ /* check the maildrop */
+ switch (mbx_style) {
+ case MMDF_FORMAT:
+ default:
+ status = mbx_chk_mmdf (fd);
+ break;
+
+ case MBOX_FORMAT:
+ status = mbx_chk_mbox (fd);
+ break;
+ }
- /* if error, attempt to close it */
- if (status == NOTOK) {
- close (fd);
- return NOTOK;
+ /* if error, attempt to close it */
+ if (status == NOTOK) {
+ close (fd);
+ return NOTOK;
+ }
}
- }
- return fd;
+ return fd;
}
static int
mbx_chk_mbox (int fd)
{
- /* just seek to the end */
- if (lseek (fd, (off_t) 0, SEEK_END) == (off_t) NOTOK)
- return NOTOK;
+ /* just seek to the end */
+ if (lseek (fd, (off_t) 0, SEEK_END) == (off_t) NOTOK)
+ return NOTOK;
- return OK;
+ return OK;
}
static int
mbx_chk_mmdf (int fd)
{
- size_t count;
- char ldelim[BUFSIZ];
+ size_t count;
+ char ldelim[BUFSIZ];
- count = strlen (mmdlm2);
+ count = strlen (mmdlm2);
- /* casting -count to off_t, seem to break FreeBSD 2.2.6 */
- if (lseek (fd, (long) (-count), SEEK_END) == (off_t) NOTOK)
- return NOTOK;
- if (read (fd, ldelim, count) != count)
- return NOTOK;
+ /* casting -count to off_t, seem to break FreeBSD 2.2.6 */
+ if (lseek (fd, (long) (-count), SEEK_END) == (off_t) NOTOK)
+ return NOTOK;
+ if (read (fd, ldelim, count) != count)
+ return NOTOK;
- ldelim[count] = 0;
+ ldelim[count] = 0;
- if (strcmp (ldelim, mmdlm2)
- && write (fd, "\n", 1) != 1
- && write (fd, mmdlm2, count) != count)
- return NOTOK;
+ if (strcmp (ldelim, mmdlm2)
+ && write (fd, "\n", 1) != 1
+ && write (fd, mmdlm2, count) != count)
+ return NOTOK;
- return OK;
+ return OK;
}
int
mbx_read (FILE *fp, long pos, struct drop **drops, int noisy)
{
- register int len, size;
- register long ld1, ld2;
- register char *bp;
- char buffer[BUFSIZ];
- register struct drop *cp, *dp, *ep, *pp;
-
- pp = (struct drop *) calloc ((size_t) (len = MAXFOLDER), sizeof(*dp));
- if (pp == NULL) {
- if (noisy)
- admonish (NULL, "unable to allocate drop storage");
- return NOTOK;
- }
-
- ld1 = (long) strlen (mmdlm1);
- ld2 = (long) strlen (mmdlm2);
-
- fseek (fp, pos, SEEK_SET);
- for (ep = (dp = pp) + len - 1; fgets (buffer, sizeof(buffer), fp);) {
- size = 0;
- if (strcmp (buffer, mmdlm1) == 0)
- pos += ld1, dp->d_start = (long) pos;
- else {
- dp->d_start = (long)pos , pos += (long) strlen (buffer);
- for (bp = buffer; *bp; bp++, size++)
- if (*bp == '\n')
- size++;
+ register int len, size;
+ register long ld1, ld2;
+ register char *bp;
+ char buffer[BUFSIZ];
+ register struct drop *cp, *dp, *ep, *pp;
+
+ pp = (struct drop *) calloc ((size_t) (len = MAXFOLDER), sizeof(*dp));
+ if (pp == NULL) {
+ if (noisy)
+ admonish (NULL, "unable to allocate drop storage");
+ return NOTOK;
}
- while (fgets (buffer, sizeof(buffer), fp) != NULL)
- if (strcmp (buffer, mmdlm2) == 0)
- break;
- else {
- pos += (long) strlen (buffer);
- for (bp = buffer; *bp; bp++, size++)
- if (*bp == '\n')
- size++;
- }
-
- if (dp->d_start != (long) pos) {
- dp->d_id = 0;
- dp->d_size = (long) size;
- dp->d_stop = pos;
- dp++;
- }
- pos += ld2;
+ ld1 = (long) strlen (mmdlm1);
+ ld2 = (long) strlen (mmdlm2);
+
+ fseek (fp, pos, SEEK_SET);
+ for (ep = (dp = pp) + len - 1; fgets (buffer, sizeof(buffer), fp);) {
+ size = 0;
+ if (strcmp (buffer, mmdlm1) == 0)
+ pos += ld1, dp->d_start = (long) pos;
+ else {
+ dp->d_start = (long)pos , pos += (long) strlen (buffer);
+ for (bp = buffer; *bp; bp++, size++)
+ if (*bp == '\n')
+ size++;
+ }
+
+ while (fgets (buffer, sizeof(buffer), fp) != NULL)
+ if (strcmp (buffer, mmdlm2) == 0)
+ break;
+ else {
+ pos += (long) strlen (buffer);
+ for (bp = buffer; *bp; bp++, size++)
+ if (*bp == '\n')
+ size++;
+ }
+
+ if (dp->d_start != (long) pos) {
+ dp->d_id = 0;
+ dp->d_size = (long) size;
+ dp->d_stop = pos;
+ dp++;
+ }
+ pos += ld2;
- if (dp >= ep) {
- register int curlen = dp - pp;
+ if (dp >= ep) {
+ register int curlen = dp - pp;
- cp = (struct drop *) mh_xrealloc ((char *) pp,
- (size_t) (len += MAXFOLDER) * sizeof(*pp));
- dp = cp + curlen, ep = (pp = cp) + len - 1;
+ cp = (struct drop *) mh_xrealloc ((char *) pp,
+ (size_t) (len += MAXFOLDER) * sizeof(*pp));
+ dp = cp + curlen, ep = (pp = cp) + len - 1;
+ }
}
- }
- if (dp == pp)
- free ((char *) pp);
- else
- *drops = pp;
- return (dp - pp);
+ if (dp == pp)
+ free ((char *) pp);
+ else
+ *drops = pp;
+ return (dp - pp);
}
int
mbx_write(char *mailbox, int md, FILE *fp, int id, long last,
- long pos, off_t stop, int mapping, int noisy)
+ long pos, off_t stop, int mapping, int noisy)
{
- register int i, j, size;
- off_t start;
- long off;
- register char *cp;
- char buffer[BUFSIZ];
-
- off = (long) lseek (md, (off_t) 0, SEEK_CUR);
- j = strlen (mmdlm1);
- if (write (md, mmdlm1, j) != j)
- return NOTOK;
- start = lseek (md, (off_t) 0, SEEK_CUR);
- size = 0;
-
- fseek (fp, pos, SEEK_SET);
- while (fgets (buffer, sizeof(buffer), fp) && (pos < stop)) {
- i = strlen (buffer);
- for (j = 0; (j = stringdex (mmdlm1, buffer)) >= 0; buffer[j]++)
- continue;
- for (j = 0; (j = stringdex (mmdlm2, buffer)) >= 0; buffer[j]++)
- continue;
- if (write (md, buffer, i) != i)
- return NOTOK;
- pos += (long) i;
+ register int i, j, size;
+ off_t start;
+ long off;
+ register char *cp;
+ char buffer[BUFSIZ];
+
+ off = (long) lseek (md, (off_t) 0, SEEK_CUR);
+ j = strlen (mmdlm1);
+ if (write (md, mmdlm1, j) != j)
+ return NOTOK;
+ start = lseek (md, (off_t) 0, SEEK_CUR);
+ size = 0;
+
+ fseek (fp, pos, SEEK_SET);
+ while (fgets (buffer, sizeof(buffer), fp) && (pos < stop)) {
+ i = strlen (buffer);
+ for (j = 0; (j = stringdex (mmdlm1, buffer)) >= 0; buffer[j]++)
+ continue;
+ for (j = 0; (j = stringdex (mmdlm2, buffer)) >= 0; buffer[j]++)
+ continue;
+ if (write (md, buffer, i) != i)
+ return NOTOK;
+ pos += (long) i;
+ if (mapping)
+ for (cp = buffer; i-- > 0; size++)
+ if (*cp++ == '\n')
+ size++;
+ }
+
+ stop = lseek (md, (off_t) 0, SEEK_CUR);
+ j = strlen (mmdlm2);
+ if (write (md, mmdlm2, j) != j)
+ return NOTOK;
if (mapping)
- for (cp = buffer; i-- > 0; size++)
- if (*cp++ == '\n')
- size++;
- }
-
- stop = lseek (md, (off_t) 0, SEEK_CUR);
- j = strlen (mmdlm2);
- if (write (md, mmdlm2, j) != j)
- return NOTOK;
- if (mapping)
- map_write (mailbox, md, id, last, start, stop, off, size, noisy);
+ map_write (mailbox, md, id, last, start, stop, off, size, noisy);
- return OK;
+ return OK;
}
int
mbx_copy (char *mailbox, int mbx_style, int md, int fd,
- int mapping, char *text, int noisy)
+ int mapping, char *text, int noisy)
{
- int i, j, size;
- off_t start, stop;
- long pos;
- char *cp, buffer[BUFSIZ];
- FILE *fp;
-
- pos = (long) lseek (md, (off_t) 0, SEEK_CUR);
- size = 0;
-
- switch (mbx_style) {
- case MMDF_FORMAT:
- default:
- j = strlen (mmdlm1);
- if (write (md, mmdlm1, j) != j)
- return NOTOK;
- start = lseek (md, (off_t) 0, SEEK_CUR);
-
- if (text) {
- i = strlen (text);
- if (write (md, text, i) != i)
- return NOTOK;
- for (cp = text; *cp++; size++)
- if (*cp == '\n')
- size++;
- }
-
- while ((i = read (fd, buffer, sizeof(buffer))) > 0) {
- for (j = 0;
- (j = stringdex (mmdlm1, buffer)) >= 0;
- buffer[j]++)
- continue;
- for (j = 0;
- (j = stringdex (mmdlm2, buffer)) >= 0;
- buffer[j]++)
- continue;
- if (write (md, buffer, i) != i)
- return NOTOK;
- if (mapping)
- for (cp = buffer; i-- > 0; size++)
- if (*cp++ == '\n')
- size++;
- }
-
- stop = lseek (md, (off_t) 0, SEEK_CUR);
- j = strlen (mmdlm2);
- if (write (md, mmdlm2, j) != j)
- return NOTOK;
- if (mapping)
- map_write (mailbox, md, 0, (long) 0, start, stop, pos, size, noisy);
+ int i, j, size;
+ off_t start, stop;
+ long pos;
+ char *cp, buffer[BUFSIZ];
+ FILE *fp;
- return (i != NOTOK ? OK : NOTOK);
+ pos = (long) lseek (md, (off_t) 0, SEEK_CUR);
+ size = 0;
- case MBOX_FORMAT:
- if ((j = dup (fd)) == NOTOK)
- return NOTOK;
- if ((fp = fdopen (j, "r")) == NULL) {
- close (j);
- return NOTOK;
- }
- start = lseek (md, (off_t) 0, SEEK_CUR);
-
- /* If text is given, we add it to top of message */
- if (text) {
- i = strlen (text);
- if (write (md, text, i) != i)
- return NOTOK;
- for (cp = text; *cp++; size++)
- if (*cp == '\n')
- size++;
- }
-
- for (j = 0; fgets (buffer, sizeof(buffer), fp) != NULL; j++) {
+ switch (mbx_style) {
+ case MMDF_FORMAT:
+ default:
+ j = strlen (mmdlm1);
+ if (write (md, mmdlm1, j) != j)
+ return NOTOK;
+ start = lseek (md, (off_t) 0, SEEK_CUR);
+
+ if (text) {
+ i = strlen (text);
+ if (write (md, text, i) != i)
+ return NOTOK;
+ for (cp = text; *cp++; size++)
+ if (*cp == '\n')
+ size++;
+ }
+
+ while ((i = read (fd, buffer, sizeof(buffer))) > 0) {
+ for (j = 0;
+ (j = stringdex (mmdlm1, buffer)) >= 0;
+ buffer[j]++)
+ continue;
+ for (j = 0;
+ (j = stringdex (mmdlm2, buffer)) >= 0;
+ buffer[j]++)
+ continue;
+ if (write (md, buffer, i) != i)
+ return NOTOK;
+ if (mapping)
+ for (cp = buffer; i-- > 0; size++)
+ if (*cp++ == '\n')
+ size++;
+ }
+
+ stop = lseek (md, (off_t) 0, SEEK_CUR);
+ j = strlen (mmdlm2);
+ if (write (md, mmdlm2, j) != j)
+ return NOTOK;
+ if (mapping)
+ map_write (mailbox, md, 0, (long) 0, start, stop, pos, size, noisy);
+
+ return (i != NOTOK ? OK : NOTOK);
+
+ case MBOX_FORMAT:
+ if ((j = dup (fd)) == NOTOK)
+ return NOTOK;
+ if ((fp = fdopen (j, "r")) == NULL) {
+ close (j);
+ return NOTOK;
+ }
+ start = lseek (md, (off_t) 0, SEEK_CUR);
+
+ /* If text is given, we add it to top of message */
+ if (text) {
+ i = strlen (text);
+ if (write (md, text, i) != i)
+ return NOTOK;
+ for (cp = text; *cp++; size++)
+ if (*cp == '\n')
+ size++;
+ }
+
+ for (j = 0; fgets (buffer, sizeof(buffer), fp) != NULL; j++) {
+
+ /*
+ * Check the first line, and make some changes.
+ */
+ if (j == 0 && !text) {
+ /*
+ * Change the "Return-Path:" field (if in first line)
+ * back to "From ".
+ */
+ if (!strncmp (buffer, "Return-Path:", 12)) {
+ char tmpbuffer[BUFSIZ];
+ char *tp, *ep, *fp;
+
+ strncpy(tmpbuffer, buffer, sizeof(tmpbuffer));
+ ep = tmpbuffer + 13;
+ if (!(fp = strchr(ep + 1, ' ')))
+ fp = strchr(ep + 1, '\n');
+ tp = dctime(dlocaltimenow());
+ snprintf (buffer, sizeof(buffer), "From %.*s %s",
+ (int)(fp - ep), ep, tp);
+ } else if (!strncmp (buffer, "X-Envelope-From:", 16)) {
+ /*
+ * Change the "X-Envelope-From:" field
+ * (if first line) back to "From ".
+ */
+ char tmpbuffer[BUFSIZ];
+ char *ep;
+
+ strncpy(tmpbuffer, buffer, sizeof(tmpbuffer));
+ ep = tmpbuffer + 17;
+ snprintf (buffer, sizeof(buffer), "From %s", ep);
+ } else if (strncmp (buffer, "From ", 5)) {
+ /*
+ * If there is already a "From " line,
+ * then leave it alone. Else we add one.
+ */
+ char tmpbuffer[BUFSIZ];
+ char *tp, *ep;
+
+ strncpy(tmpbuffer, buffer, sizeof(tmpbuffer));
+ ep = "nobody@nowhere";
+ tp = dctime(dlocaltimenow());
+ snprintf (buffer, sizeof(buffer), "From %s %s%s", ep, tp, tmpbuffer);
+ }
+ }
+
+ /*
+ * If this is not first line, and begins with
+ * "From ", then prepend line with ">".
+ */
+ if (j != 0 && strncmp (buffer, "From ", 5) == 0) {
+ write (md, ">", 1);
+ size++;
+ }
+ i = strlen (buffer);
+ if (write (md, buffer, i) != i) {
+ fclose (fp);
+ return NOTOK;
+ }
+ if (mapping)
+ for (cp = buffer; i-- > 0; size++)
+ if (*cp++ == '\n')
+ size++;
+ }
+ if (write (md, "\n", 1) != 1) {
+ fclose (fp);
+ return NOTOK;
+ }
+ if (mapping)
+ size += 2;
- /*
- * Check the first line, and make some changes.
- */
- if (j == 0 && !text) {
- /*
- * Change the "Return-Path:" field (if in first line)
- * back to "From ".
- */
- if (!strncmp (buffer, "Return-Path:", 12)) {
- char tmpbuffer[BUFSIZ];
- char *tp, *ep, *fp;
-
- strncpy(tmpbuffer, buffer, sizeof(tmpbuffer));
- ep = tmpbuffer + 13;
- if (!(fp = strchr(ep + 1, ' ')))
- fp = strchr(ep + 1, '\n');
- tp = dctime(dlocaltimenow());
- snprintf (buffer, sizeof(buffer), "From %.*s %s",
- (int)(fp - ep), ep, tp);
- } else if (!strncmp (buffer, "X-Envelope-From:", 16)) {
- /*
- * Change the "X-Envelope-From:" field
- * (if first line) back to "From ".
- */
- char tmpbuffer[BUFSIZ];
- char *ep;
-
- strncpy(tmpbuffer, buffer, sizeof(tmpbuffer));
- ep = tmpbuffer + 17;
- snprintf (buffer, sizeof(buffer), "From %s", ep);
- } else if (strncmp (buffer, "From ", 5)) {
- /*
- * If there is already a "From " line,
- * then leave it alone. Else we add one.
- */
- char tmpbuffer[BUFSIZ];
- char *tp, *ep;
-
- strncpy(tmpbuffer, buffer, sizeof(tmpbuffer));
- ep = "nobody@nowhere";
- tp = dctime(dlocaltimenow());
- snprintf (buffer, sizeof(buffer), "From %s %s%s", ep, tp, tmpbuffer);
- }
- }
+ fclose (fp);
+ lseek (fd, (off_t) 0, SEEK_END);
+ stop = lseek (md, (off_t) 0, SEEK_CUR);
+ if (mapping)
+ map_write (mailbox, md, 0, (long) 0, start, stop, pos, size, noisy);
- /*
- * If this is not first line, and begins with
- * "From ", then prepend line with ">".
- */
- if (j != 0 && strncmp (buffer, "From ", 5) == 0) {
- write (md, ">", 1);
- size++;
- }
- i = strlen (buffer);
- if (write (md, buffer, i) != i) {
- fclose (fp);
- return NOTOK;
- }
- if (mapping)
- for (cp = buffer; i-- > 0; size++)
- if (*cp++ == '\n')
- size++;
- }
- if (write (md, "\n", 1) != 1) {
- fclose (fp);
- return NOTOK;
- }
- if (mapping)
- size += 2;
-
- fclose (fp);
- lseek (fd, (off_t) 0, SEEK_END);
- stop = lseek (md, (off_t) 0, SEEK_CUR);
- if (mapping)
- map_write (mailbox, md, 0, (long) 0, start, stop, pos, size, noisy);
-
- return OK;
- }
+ return OK;
+ }
}
int
mbx_size (int md, off_t start, off_t stop)
{
- register int i, fd;
- register long pos;
- register FILE *fp;
+ register int i, fd;
+ register long pos;
+ register FILE *fp;
- if ((fd = dup (md)) == NOTOK || (fp = fdopen (fd, "r")) == NULL) {
- if (fd != NOTOK)
- close (fd);
- return NOTOK;
- }
+ if ((fd = dup (md)) == NOTOK || (fp = fdopen (fd, "r")) == NULL) {
+ if (fd != NOTOK)
+ close (fd);
+ return NOTOK;
+ }
- fseek (fp, start, SEEK_SET);
- for (i = 0, pos = stop - start; pos-- > 0; i++)
- if (fgetc (fp) == '\n')
- i++;
+ fseek (fp, start, SEEK_SET);
+ for (i = 0, pos = stop - start; pos-- > 0; i++)
+ if (fgetc (fp) == '\n')
+ i++;
- fclose (fp);
- return i;
+ fclose (fp);
+ return i;
}
int
mbx_close (char *mailbox, int md)
{
- if (lkclose (md, mailbox) == 0)
- return OK;
- return NOTOK;
+ if (lkclose (md, mailbox) == 0)
+ return OK;
+ return NOTOK;
}
char *
map_name (char *file)
{
- register char *cp, *dp;
- static char buffer[BUFSIZ];
-
- if ((dp = strchr(cp = r1bindex (file, '/'), '.')) == NULL)
- dp = cp + strlen (cp);
- if (cp == file)
- snprintf (buffer, sizeof(buffer), ".%.*s%s", (int)(dp - cp), cp, ".map");
- else
- snprintf (buffer, sizeof(buffer), "%.*s.%.*s%s",
- (int)(cp - file), file, (int)(dp - cp), cp, ".map");
-
- return buffer;
+ register char *cp, *dp;
+ static char buffer[BUFSIZ];
+
+ if ((dp = strchr(cp = r1bindex (file, '/'), '.')) == NULL)
+ dp = cp + strlen (cp);
+ if (cp == file)
+ snprintf (buffer, sizeof(buffer), ".%.*s%s", (int)(dp - cp), cp, ".map");
+ else
+ snprintf (buffer, sizeof(buffer), "%.*s.%.*s%s",
+ (int)(cp - file), file, (int)(dp - cp), cp, ".map");
+
+ return buffer;
}
int
map_read (char *file, long pos, struct drop **drops, int noisy)
{
- register int i, md, msgp;
- register char *cp;
- struct drop d;
- register struct drop *mp, *dp;
-
- if ((md = open (cp = map_name (file), O_RDONLY)) == NOTOK
- || map_chk (cp, md, mp = &d, pos, noisy)) {
- if (md != NOTOK)
- close (md);
- return 0;
- }
-
- msgp = mp->d_id;
- dp = (struct drop *) calloc ((size_t) (msgp + 1), sizeof(*dp));
- if (dp == NULL) {
- close (md);
- return 0;
- }
+ register int i, md, msgp;
+ register char *cp;
+ struct drop d;
+ register struct drop *mp, *dp;
+
+ if ((md = open (cp = map_name (file), O_RDONLY)) == NOTOK
+ || map_chk (cp, md, mp = &d, pos, noisy)) {
+ if (md != NOTOK)
+ close (md);
+ return 0;
+ }
+
+ msgp = mp->d_id;
+ dp = (struct drop *) calloc ((size_t) (msgp + 1), sizeof(*dp));
+ if (dp == NULL) {
+ close (md);
+ return 0;
+ }
- memcpy((char *) dp, (char *) mp, sizeof(*dp));
+ memcpy((char *) dp, (char *) mp, sizeof(*dp));
- lseek (md, (off_t) sizeof(*mp), SEEK_SET);
- if ((i = read (md, (char *) (dp + 1), msgp * sizeof(*dp))) < sizeof(*dp)) {
- i = 0;
- free ((char *) dp);
- } else {
+ lseek (md, (off_t) sizeof(*mp), SEEK_SET);
+ if ((i = read (md, (char *) (dp + 1), msgp * sizeof(*dp))) < sizeof(*dp)) {
+ i = 0;
+ free ((char *) dp);
+ } else {
#ifdef NTOHLSWAP
- register struct drop *tdp;
- int j;
-
- for (j = 0, tdp = dp; j < i / sizeof(*dp); j++, tdp++) {
- tdp->d_id = ntohl(tdp->d_id);
- tdp->d_size = ntohl(tdp->d_size);
- tdp->d_start = ntohl(tdp->d_start);
- tdp->d_stop = ntohl(tdp->d_stop);
- }
+ register struct drop *tdp;
+ int j;
+
+ for (j = 0, tdp = dp; j < i / sizeof(*dp); j++, tdp++) {
+ tdp->d_id = ntohl(tdp->d_id);
+ tdp->d_size = ntohl(tdp->d_size);
+ tdp->d_start = ntohl(tdp->d_start);
+ tdp->d_stop = ntohl(tdp->d_stop);
+ }
#endif
- *drops = dp;
- }
+ *drops = dp;
+ }
- close (md);
+ close (md);
- return (i / sizeof(*dp));
+ return (i / sizeof(*dp));
}
int
map_write (char *mailbox, int md, int id, long last, off_t start,
- off_t stop, long pos, int size, int noisy)
+ off_t stop, long pos, int size, int noisy)
{
- register int i;
- int clear, fd, td;
- char *file;
- register struct drop *dp;
- struct drop d1, d2, *rp;
- register FILE *fp;
- struct stat st;
-
- if ((fd = map_open (file = map_name (mailbox), md)) == NOTOK)
- return NOTOK;
-
- if ((fstat (fd, &st) == OK) && (st.st_size > 0))
- clear = 0;
- else
- clear = 1;
+ register int i;
+ int clear, fd, td;
+ char *file;
+ register struct drop *dp;
+ struct drop d1, d2, *rp;
+ register FILE *fp;
+ struct stat st;
+
+ if ((fd = map_open (file = map_name (mailbox), md)) == NOTOK)
+ return NOTOK;
- if (!clear && map_chk (file, fd, &d1, pos, noisy)) {
- unlink (file);
- mbx_close (file, fd);
- if ((fd = map_open (file, md)) == NOTOK)
- return NOTOK;
- clear++;
- }
-
- if (clear) {
- if ((td = dup (md)) == NOTOK || (fp = fdopen (td, "r")) == NULL) {
- if (noisy)
- admonish (file, "unable to %s", td != NOTOK ? "fdopen" : "dup");
- if (td != NOTOK)
- close (td);
- mbx_close (file, fd);
- return NOTOK;
- }
+ if ((fstat (fd, &st) == OK) && (st.st_size > 0))
+ clear = 0;
+ else
+ clear = 1;
- switch (i = mbx_read (fp, 0, &rp, noisy)) {
- case NOTOK:
- fclose (fp);
+ if (!clear && map_chk (file, fd, &d1, pos, noisy)) {
+ unlink (file);
mbx_close (file, fd);
- return NOTOK;
+ if ((fd = map_open (file, md)) == NOTOK)
+ return NOTOK;
+ clear++;
+ }
- case OK:
- fclose (fp);
- break;
+ if (clear) {
+ if ((td = dup (md)) == NOTOK || (fp = fdopen (td, "r")) == NULL) {
+ if (noisy)
+ admonish (file, "unable to %s", td != NOTOK ? "fdopen" : "dup");
+ if (td != NOTOK)
+ close (td);
+ mbx_close (file, fd);
+ return NOTOK;
+ }
- default:
- d1.d_id = 0;
- for (dp = rp; i-- >0; dp++) {
- if (dp->d_start == start)
- dp->d_id = id;
- lseek (fd, (off_t) (++d1.d_id * sizeof(*dp)), SEEK_SET);
- if (write (fd, (char *) dp, sizeof(*dp)) != sizeof(*dp)) {
+ switch (i = mbx_read (fp, 0, &rp, noisy)) {
+ case NOTOK:
+ fclose (fp);
+ mbx_close (file, fd);
+ return NOTOK;
+
+ case OK:
+ fclose (fp);
+ break;
+
+ default:
+ d1.d_id = 0;
+ for (dp = rp; i-- >0; dp++) {
+ if (dp->d_start == start)
+ dp->d_id = id;
+ lseek (fd, (off_t) (++d1.d_id * sizeof(*dp)), SEEK_SET);
+ if (write (fd, (char *) dp, sizeof(*dp)) != sizeof(*dp)) {
+ if (noisy)
+ admonish (file, "write error");
+ mbx_close (file, fd);
+ fclose (fp);
+ return NOTOK;
+ }
+ }
+ free ((char *) rp);
+ fclose (fp);
+ break;
+ }
+ }
+ else {
+ if (last == 0)
+ last = d1.d_start;
+ dp = &d2;
+ dp->d_id = id;
+ dp->d_size = (long) (size ? size : mbx_size (fd, start, stop));
+ dp->d_start = start;
+ dp->d_stop = stop;
+ lseek (fd, (off_t) (++d1.d_id * sizeof(*dp)), SEEK_SET);
+ if (write (fd, (char *) dp, sizeof(*dp)) != sizeof(*dp)) {
if (noisy)
- admonish (file, "write error");
+ admonish (file, "write error");
mbx_close (file, fd);
- fclose (fp);
return NOTOK;
- }
}
- free ((char *) rp);
- fclose (fp);
- break;
}
- }
- else {
- if (last == 0)
- last = d1.d_start;
- dp = &d2;
- dp->d_id = id;
- dp->d_size = (long) (size ? size : mbx_size (fd, start, stop));
- dp->d_start = start;
- dp->d_stop = stop;
- lseek (fd, (off_t) (++d1.d_id * sizeof(*dp)), SEEK_SET);
+
+ dp = &d1;
+ dp->d_size = DRVRSN;
+ dp->d_start = (long) last;
+ dp->d_stop = lseek (md, (off_t) 0, SEEK_CUR);
+
+ lseek (fd, (off_t) 0, SEEK_SET);
if (write (fd, (char *) dp, sizeof(*dp)) != sizeof(*dp)) {
- if (noisy)
- admonish (file, "write error");
- mbx_close (file, fd);
- return NOTOK;
+ if (noisy)
+ admonish (file, "write error");
+ mbx_close (file, fd);
+ return NOTOK;
}
- }
-
- dp = &d1;
- dp->d_size = DRVRSN;
- dp->d_start = (long) last;
- dp->d_stop = lseek (md, (off_t) 0, SEEK_CUR);
- lseek (fd, (off_t) 0, SEEK_SET);
- if (write (fd, (char *) dp, sizeof(*dp)) != sizeof(*dp)) {
- if (noisy)
- admonish (file, "write error");
mbx_close (file, fd);
- return NOTOK;
- }
-
- mbx_close (file, fd);
- return OK;
+ return OK;
}
static int
map_open (char *file, int md)
{
- mode_t mode;
- struct stat st;
+ mode_t mode;
+ struct stat st;
- mode = fstat (md, &st) != NOTOK ? (mode_t) (st.st_mode & 0777) : m_gmprot ();
- return mbx_open (file, OTHER_FORMAT, st.st_uid, st.st_gid, mode);
+ mode = fstat (md, &st) != NOTOK ? (mode_t) (st.st_mode & 0777) : m_gmprot ();
+ return mbx_open (file, OTHER_FORMAT, st.st_uid, st.st_gid, mode);
}
int
map_chk (char *file, int fd, struct drop *dp, long pos, int noisy)
{
- long count;
- struct drop d, tmpd;
- register struct drop *dl;
+ long count;
+ struct drop d, tmpd;
+ register struct drop *dl;
- if (read (fd, (char *) &tmpd, sizeof(*dp)) != sizeof(*dp)) {
+ if (read (fd, (char *) &tmpd, sizeof(*dp)) != sizeof(*dp)) {
#ifdef notdef
- admonish (NULL, "%s: missing or partial index", file);
+ admonish (NULL, "%s: missing or partial index", file);
#endif /* notdef */
- return NOTOK;
- }
-#ifndef NTOHLSWAP
- *dp = tmpd; /* if ntohl(n)=(n), can use struct assign */
+ return NOTOK;
+ }
+#ifndef NTOHLSWAP
+ *dp = tmpd; /* if ntohl(n)=(n), can use struct assign */
#else
- dp->d_id = ntohl(tmpd.d_id);
- dp->d_size = ntohl(tmpd.d_size);
- dp->d_start = ntohl(tmpd.d_start);
- dp->d_stop = ntohl(tmpd.d_stop);
+ dp->d_id = ntohl(tmpd.d_id);
+ dp->d_size = ntohl(tmpd.d_size);
+ dp->d_start = ntohl(tmpd.d_start);
+ dp->d_stop = ntohl(tmpd.d_stop);
#endif
-
- if (dp->d_size != DRVRSN) {
- if (noisy)
- admonish (NULL, "%s: version mismatch (%d != %d)", file,
- dp->d_size, DRVRSN);
- return NOTOK;
- }
- if (dp->d_stop != pos) {
- if (noisy && pos != (long) 0)
- admonish (NULL,
- "%s: pointer mismatch or incomplete index (%ld!=%ld)",
- file, dp->d_stop, (long) pos);
- return NOTOK;
- }
+ if (dp->d_size != DRVRSN) {
+ if (noisy)
+ admonish (NULL, "%s: version mismatch (%d != %d)",
+ file, dp->d_size, DRVRSN);
+ return NOTOK;
+ }
- if ((long) ((dp->d_id + 1) * sizeof(*dp)) != (long) lseek (fd, (off_t) 0, SEEK_END)) {
- if (noisy)
- admonish (NULL, "%s: corrupt index(1)", file);
- return NOTOK;
- }
-
- dl = &d;
- count = (long) strlen (mmdlm2);
- lseek (fd, (off_t) (dp->d_id * sizeof(*dp)), SEEK_SET);
- if (read (fd, (char *) dl, sizeof(*dl)) != sizeof(*dl)
- || (ntohl(dl->d_stop) != dp->d_stop
- && ntohl(dl->d_stop) + count != dp->d_stop)) {
- if (noisy)
- admonish (NULL, "%s: corrupt index(2)", file);
- return NOTOK;
- }
+ if (dp->d_stop != pos) {
+ if (noisy && pos != (long) 0)
+ admonish (NULL,
+ "%s: pointer mismatch or incomplete index (%ld!=%ld)",
+ file, dp->d_stop, (long) pos);
+ return NOTOK;
+ }
+
+ if ((long) ((dp->d_id + 1) * sizeof(*dp)) != (long) lseek (fd, (off_t) 0, SEEK_END)) {
+ if (noisy)
+ admonish (NULL, "%s: corrupt index(1)", file);
+ return NOTOK;
+ }
+
+ dl = &d;
+ count = (long) strlen (mmdlm2);
+ lseek (fd, (off_t) (dp->d_id * sizeof(*dp)), SEEK_SET);
+ if (read (fd, (char *) dl, sizeof(*dl)) != sizeof(*dl)
+ || (ntohl(dl->d_stop) != dp->d_stop
+ && ntohl(dl->d_stop) + count != dp->d_stop)) {
+ if (noisy)
+ admonish (NULL, "%s: corrupt index(2)", file);
+ return NOTOK;
+ }
- return OK;
+ return OK;
}
projects / mmh / blobdiff