-
/*
- * burst.c -- explode digests into individual messages
- *
- * $Id$
- *
- * This code is Copyright (c) 2002, by the authors of nmh. See the
- * COPYRIGHT file in the root directory of the nmh distribution for
- * complete copyright information.
- */
+** burst.c -- explode digests into individual messages
+**
+** This code is Copyright (c) 2002, by the authors of nmh. See the
+** COPYRIGHT file in the root directory of the nmh distribution for
+** complete copyright information.
+*/
#include <h/mh.h>
static struct swit switches[] = {
-#define INPLSW 0
- { "inplace", 0 },
-#define NINPLSW 1
- { "noinplace", 0 },
-#define QIETSW 2
- { "quiet", 0 },
-#define NQIETSW 3
- { "noquiet", 0 },
-#define VERBSW 4
- { "verbose", 0 },
-#define NVERBSW 5
- { "noverbose", 0 },
-#define VERSIONSW 6
- { "version", 0 },
-#define HELPSW 7
- { "help", 0 },
- { NULL, 0 }
+#define VERBSW 0
+ { "verbose", 0 },
+#define NVERBSW 1
+ { "noverbose", 0 },
+#define VERSIONSW 2
+ { "Version", 0 },
+#define HELPSW 3
+ { "help", 0 },
+ { NULL, 0 }
};
static char delim3[] = "-------";
struct smsg {
- long s_start;
- long s_stop;
+ long s_start;
+ long s_stop;
};
/*
- * static prototypes
- */
-static int find_delim (int, struct smsg *);
-static void burst (struct msgs **, int, struct smsg *, int, int, int, char *);
-static void cpybrst (FILE *, FILE *, char *, char *, int);
+** static prototypes
+*/
+static int find_delim(int, struct smsg *);
+static void burst(struct msgs **, int, struct smsg *, int, int, char *);
+static void cpybrst(FILE *, FILE *, char *, char *, int);
int
-main (int argc, char **argv)
+main(int argc, char **argv)
{
- int inplace = 0, quietsw = 0, verbosw = 0;
- int msgp = 0, hi, msgnum, numburst;
- char *cp, *maildir, *folder = NULL, buf[BUFSIZ];
- char **argp, **arguments, *msgs[MAXARGS];
- struct smsg *smsgs;
- struct msgs *mp;
+ int verbosw = 0;
+ int msgp = 0, hi, msgnum, numburst;
+ char *cp, *maildir, *folder = NULL, buf[BUFSIZ];
+ char **argp, **arguments, *msgs[MAXARGS];
+ struct smsg *smsgs;
+ struct msgs *mp;
#ifdef LOCALE
- setlocale(LC_ALL, "");
+ setlocale(LC_ALL, "");
#endif
- invo_name = r1bindex (argv[0], '/');
-
- /* read user profile/context */
- context_read();
-
- arguments = getarguments (invo_name, argc, argv, 1);
- argp = arguments;
-
- while ((cp = *argp++)) {
- if (*cp == '-') {
- switch (smatch (++cp, switches)) {
- case AMBIGSW:
- ambigsw (cp, switches);
- done (1);
- case UNKWNSW:
- adios (NULL, "-%s unknown\n", cp);
-
- case HELPSW:
- snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
- invo_name);
- print_help (buf, switches, 1);
- done (1);
- case VERSIONSW:
- print_version(invo_name);
- done (1);
-
- case INPLSW:
- inplace++;
- continue;
- case NINPLSW:
- inplace = 0;
- continue;
-
- case QIETSW:
- quietsw++;
- continue;
- case NQIETSW:
- quietsw = 0;
- continue;
-
- case VERBSW:
- verbosw++;
- continue;
- case NVERBSW:
- verbosw = 0;
- continue;
- }
+ invo_name = mhbasename(argv[0]);
+
+ /* read user profile/context */
+ context_read();
+
+ arguments = getarguments(invo_name, argc, argv, 1);
+ argp = arguments;
+
+ while ((cp = *argp++)) {
+ if (*cp == '-') {
+ switch (smatch(++cp, switches)) {
+ case AMBIGSW:
+ ambigsw(cp, switches);
+ done(1);
+ case UNKWNSW:
+ adios(NULL, "-%s unknown\n", cp);
+
+ case HELPSW:
+ snprintf(buf, sizeof(buf), "%s [+folder] [msgs] [switches]", invo_name);
+ print_help(buf, switches, 1);
+ done(1);
+ case VERSIONSW:
+ print_version(invo_name);
+ done(1);
+
+ case VERBSW:
+ verbosw++;
+ continue;
+ case NVERBSW:
+ verbosw = 0;
+ continue;
+ }
+ }
+ if (*cp == '+' || *cp == '@') {
+ if (folder)
+ adios(NULL, "only one folder at a time!");
+ else
+ folder = getcpy(expandfol(cp));
+ } else {
+ msgs[msgp++] = cp;
+ }
}
- if (*cp == '+' || *cp == '@') {
- if (folder)
- adios (NULL, "only one folder at a time!");
- else
- folder = pluspath (cp);
- } else {
- msgs[msgp++] = cp;
+
+ if (!msgp)
+ msgs[msgp++] = seq_cur;
+ if (!folder)
+ folder = getcurfol();
+ maildir = toabsdir(folder);
+
+ if (chdir(maildir) == NOTOK)
+ adios(maildir, "unable to change directory to");
+
+ /* read folder and create message structure */
+ if (!(mp = folder_read(folder)))
+ adios(NULL, "unable to read folder %s", folder);
+
+ /* check for empty folder */
+ if (mp->nummsg == 0)
+ adios(NULL, "no messages in %s", folder);
+
+ /* parse all the message ranges/sequences and set SELECTED */
+ for (msgnum = 0; msgnum < msgp; msgnum++)
+ if (!m_convert(mp, msgs[msgnum]))
+ done(1);
+ seq_setprev(mp); /* set the previous-sequence */
+
+ smsgs = (struct smsg *)
+ calloc((size_t) (MAXFOLDER + 2), sizeof(*smsgs));
+ if (smsgs == NULL)
+ adios(NULL, "unable to allocate burst storage");
+
+ hi = mp->hghmsg + 1;
+
+ /* burst all the SELECTED messages */
+ for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
+ if (is_selected(mp, msgnum)) {
+ if ((numburst = find_delim(msgnum, smsgs)) > 0) {
+ if (verbosw)
+ printf("%d message%s exploded from digest %d\n", numburst, numburst > 1 ? "s" : "", msgnum);
+ burst(&mp, msgnum, smsgs, numburst, verbosw, maildir);
+ } else if (numburst == 0) {
+ admonish(NULL, "message %d not in digest format", msgnum);
+ } else {
+ adios(NULL, "burst() botch -- you lose big");
+ }
+ }
}
- }
-
- if (!context_find ("path"))
- free (path ("./", TFOLDER));
- if (!msgp)
- msgs[msgp++] = "cur";
- if (!folder)
- folder = getfolder (1);
- maildir = m_maildir (folder);
-
- if (chdir (maildir) == NOTOK)
- adios (maildir, "unable to change directory to");
-
- /* read folder and create message structure */
- if (!(mp = folder_read (folder)))
- adios (NULL, "unable to read folder %s", folder);
-
- /* check for empty folder */
- if (mp->nummsg == 0)
- adios (NULL, "no messages in %s", folder);
-
- /* parse all the message ranges/sequences and set SELECTED */
- for (msgnum = 0; msgnum < msgp; msgnum++)
- if (!m_convert (mp, msgs[msgnum]))
- done (1);
- seq_setprev (mp); /* set the previous-sequence */
-
- smsgs = (struct smsg *)
- calloc ((size_t) (MAXFOLDER + 2), sizeof(*smsgs));
- if (smsgs == NULL)
- adios (NULL, "unable to allocate burst storage");
-
- hi = mp->hghmsg + 1;
-
- /* burst all the SELECTED messages */
- for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
- if (is_selected (mp, msgnum)) {
- if ((numburst = find_delim (msgnum, smsgs)) >= 1) {
- if (verbosw)
- printf ("%d message%s exploded from digest %d\n",
- numburst, numburst > 1 ? "s" : "", msgnum);
- burst (&mp, msgnum, smsgs, numburst, inplace, verbosw, maildir);
- } else {
- if (numburst == 0) {
- if (!quietsw)
- admonish (NULL, "message %d not in digest format",
- msgnum);
- } /* this pair of braces was missing before 1999-07-15 */
- else
- adios (NULL, "burst() botch -- you lose big");
- }
+
+ free(smsgs);
+ context_replace(curfolder, folder);
+
+ /*
+ ** The first message extracted from the first digest
+ ** becomes the current message.
+ */
+ if (hi <= mp->hghmsg) {
+ seq_setcur(mp, hi);
}
- }
-
- free ((char *) smsgs);
- context_replace (pfolder, folder); /* update current folder */
-
- /*
- * If -inplace is given, then the first message burst becomes
- * the current message (which will now show a table of contents).
- * Otherwise, the first message extracted from the first digest
- * becomes the current message.
- */
- if (inplace) {
- if (mp->lowsel != mp->curmsg)
- seq_setcur (mp, mp->lowsel);
- } else {
- if (hi <= mp->hghmsg)
- seq_setcur (mp, hi);
- }
-
- seq_save (mp); /* synchronize message sequences */
- context_save (); /* save the context file */
- folder_free (mp); /* free folder/message structure */
- done (0);
- return 1;
+
+ seq_save(mp);
+ context_save();
+ folder_free(mp);
+ done(0);
+ return 1;
}
/*
- * Scan the message and find the beginning and
- * end of all the messages in the digest.
- */
-
+** Scan the message and find the beginning and
+** end of all the messages in the digest.
+*/
static int
-find_delim (int msgnum, struct smsg *smsgs)
+find_delim(int msgnum, struct smsg *smsgs)
{
- int ld3, wasdlm, msgp;
- long pos;
- char c, *msgnam;
- int cc;
- char buffer[BUFSIZ];
- FILE *in;
-
- ld3 = strlen (delim3);
-
- if ((in = fopen (msgnam = m_name (msgnum), "r")) == NULL)
- adios (msgnam, "unable to read message");
-
- for (msgp = 0, pos = 0L; msgp <= MAXFOLDER;) {
- while (fgets (buffer, sizeof(buffer), in) && buffer[0] == '\n')
- pos += (long) strlen (buffer);
- if (feof (in))
- break;
- fseek (in, pos, SEEK_SET);
- smsgs[msgp].s_start = pos;
-
- for (c = 0; fgets (buffer, sizeof(buffer), in); c = buffer[0]) {
- if (strncmp (buffer, delim3, ld3) == 0
- && (msgp == 1 || c == '\n')
- && ((cc = peekc (in)) == '\n' || cc == EOF))
- break;
- else
- pos += (long) strlen (buffer);
- }
+ int ld3, wasdlm, msgp;
+ long pos;
+ char c, *msgnam;
+ int cc;
+ char buffer[BUFSIZ];
+ FILE *in;
+
+ ld3 = strlen(delim3);
+
+ if ((in = fopen(msgnam = m_name(msgnum), "r")) == NULL)
+ adios(msgnam, "unable to read message");
+
+ for (msgp = 0, pos = 0L; msgp <= MAXFOLDER; msgp++) {
+ while (fgets(buffer, sizeof(buffer), in) && buffer[0] == '\n')
+ pos += (long) strlen(buffer);
+ if (feof(in)) {
+ break;
+ }
+ fseek(in, pos, SEEK_SET);
+ smsgs[msgp].s_start = pos;
+
+ for (c = 0; fgets(buffer, sizeof(buffer), in); c = buffer[0]) {
+ if (strncmp(buffer, delim3, ld3) == 0
+ && (msgp == 1 || c == '\n')) {
+ cc = getc(in);
+ ungetc(cc, in);
+ if (cc == '\n' || cc == EOF) {
+ break;
+ }
+ } else
+ pos += (long) strlen(buffer);
+ }
- wasdlm = strncmp (buffer, delim3, ld3) == 0;
- if (smsgs[msgp].s_start != pos)
- smsgs[msgp++].s_stop = (c == '\n' && wasdlm) ? pos - 1 : pos;
- if (feof (in)) {
-#if 0
- if (wasdlm) {
- smsgs[msgp - 1].s_stop -= ((long) strlen (buffer) + 1);
- msgp++; /* fake "End of XXX Digest" */
- }
-#endif
- break;
+ wasdlm = strncmp(buffer, delim3, ld3) == 0;
+ if (smsgs[msgp].s_start != pos)
+ smsgs[msgp].s_stop = (c == '\n' && wasdlm) ?
+ pos - 1 : pos;
+ if (feof(in)) {
+ break;
+ }
+ pos += (long) strlen(buffer);
}
- pos += (long) strlen (buffer);
- }
- fclose (in);
- return (msgp - 1); /* toss "End of XXX Digest" */
+ fclose(in);
+ return (msgp > 0) ? msgp-1 : 0; /* toss "End of XXX Digest" */
}
/*
- * Burst out the messages in the digest into the folder
- */
-
+** Burst out the messages in the digest into the folder
+*/
static void
-burst (struct msgs **mpp, int msgnum, struct smsg *smsgs, int numburst,
- int inplace, int verbosw, char *maildir)
+burst(struct msgs **mpp, int msgnum, struct smsg *smsgs, int numburst,
+ int verbosw, char *maildir)
{
- int i, j, mode;
- char *msgnam;
- char f1[BUFSIZ], f2[BUFSIZ], f3[BUFSIZ];
- FILE *in, *out;
- struct stat st;
- struct msgs *mp;
-
- if ((in = fopen (msgnam = m_name (msgnum), "r")) == NULL)
- adios (msgnam, "unable to read message");
-
- mode = fstat (fileno(in), &st) != NOTOK ? (st.st_mode & 0777) : m_gmprot();
- mp = *mpp;
-
- /*
- * See if we have enough space in the folder
- * structure for all the new messages.
- */
- if ((mp->hghmsg + numburst > mp->hghoff) &&
- !(mp = folder_realloc (mp, mp->lowoff, mp->hghmsg + numburst)))
- adios (NULL, "unable to allocate folder storage");
- *mpp = mp;
-
- j = mp->hghmsg; /* old value */
- mp->hghmsg += numburst;
- mp->nummsg += numburst;
-
- /*
- * If this is not the highest SELECTED message, then
- * increment mp->hghsel by numburst, since the highest
- * SELECTED is about to be slid down by that amount.
- */
- if (msgnum < mp->hghsel)
- mp->hghsel += numburst;
-
- /*
- * If -inplace is given, renumber the messages after the
- * source message, to make room for each of the messages
- * contained within the digest.
- *
- * This is equivalent to refiling a message from the point
- * of view of the external hooks.
- */
- if (inplace) {
- for (i = mp->hghmsg; j > msgnum; i--, j--) {
- strncpy (f1, m_name (i), sizeof(f1));
- strncpy (f2, m_name (j), sizeof(f2));
- if (does_exist (mp, j)) {
- if (verbosw)
- printf ("message %d becomes message %d\n", j, i);
-
- if (rename (f2, f1) == NOTOK)
- admonish (f1, "unable to rename %s to", f2);
-
- (void)snprintf(f1, sizeof (f1), "%s/%d", maildir, i);
- (void)snprintf(f2, sizeof (f2), "%s/%d", maildir, j);
- ext_hook("ref-hook", f1, f2);
-
- copy_msg_flags (mp, i, j);
- clear_msg_flags (mp, j);
+ int i, j, mode;
+ char *msgnam;
+ char destfil[BUFSIZ];
+ FILE *in, *out;
+ struct stat st;
+ struct msgs *mp;
+
+ if ((in = fopen(msgnam = m_name(msgnum), "r")) == NULL)
+ adios(msgnam, "unable to read message");
+
+ mode = fstat(fileno(in), &st) != NOTOK ?
+ (int)(st.st_mode & 0777) : m_gmprot();
+ mp = *mpp;
+
+ /*
+ ** Ensure we have enough space in the folder
+ ** structure for all the new messages.
+ */
+ if ((mp->hghmsg + numburst > mp->hghoff) && !(mp = folder_realloc(mp,
+ mp->lowoff, mp->hghmsg + numburst)))
+ adios(NULL, "unable to allocate folder storage");
+ *mpp = mp;
+
+ /*
+ ** At this point, there is an array of numburst smsgs, each
+ ** element of which contains the starting and stopping offsets
+ ** (seeks) of the message in the digest. Go through the message
+ ** numbers. Ignore smsgs[0], which is the table of contents.
+ */
+ for (j=1, i=mp->hghmsg+1; j<=numburst; j++, i++) {
+ snprintf(destfil, sizeof destfil, "%s/%d", maildir, i);
+ if (!(out = fopen(destfil, "w"))) {
+ adios(destfil, "unable to open");
+ }
+ if (verbosw) {
+ printf("message %d of digest %d becomes message %d\n",
+ j, msgnum, i);
+ }
+ chmod(destfil, mode);
+ fseek(in, smsgs[j].s_start, SEEK_SET);
+ cpybrst(in, out, msgnam, destfil,
+ (int) (smsgs[j].s_stop - smsgs[j].s_start));
+ fclose(out);
+ mp->hghmsg++;
+ mp->nummsg++;
+ /*
+ ** Bursting each message is equivalent to adding a
+ ** new message from the point of view of the external hooks.
+ */
+ ext_hook("add-hook", destfil, NULL);
+ copy_msg_flags(mp, i, msgnum);
mp->msgflags |= SEQMOD;
- }
}
- }
-
- unset_selected (mp, msgnum);
-
- /* new hghmsg is hghmsg + numburst
- *
- * At this point, there is an array of numburst smsgs, each element of
- * which contains the starting and stopping offsets (seeks) of the message
- * in the digest. The inplace flag is set if the original digest is replaced
- * by a message containing the table of contents. smsgs[0] is that table of
- * contents. Go through the message numbers in reverse order (high to low).
- *
- * Set f1 to the name of the destination message, f2 to the name of a scratch
- * file. Extract a message from the digest to the scratch file. Move the
- * original message to a backup file if the destination message number is the
- * same as the number of the original message, which only happens if the
- * inplace flag is set. Then move the scratch file to the destination message.
- *
- * Moving the original message to the backup file is equivalent to deleting the
- * message from the point of view of the external hooks. And bursting each
- * message is equivalent to adding a new message.
- */
-
- i = inplace ? msgnum + numburst : mp->hghmsg;
- for (j = numburst; j >= (inplace ? 0 : 1); i--, j--) {
- strncpy (f1, m_name (i), sizeof(f1));
- strncpy (f2, m_scratch ("", invo_name), sizeof(f2));
- if (verbosw && i != msgnum)
- printf ("message %d of digest %d becomes message %d\n", j, msgnum, i);
-
- if ((out = fopen (f2, "w")) == NULL)
- adios (f2, "unable to write message");
- chmod (f2, mode);
- fseek (in, smsgs[j].s_start, SEEK_SET);
- cpybrst (in, out, msgnam, f2,
- (int) (smsgs[j].s_stop - smsgs[j].s_start));
- fclose (out);
-
- if (i == msgnum) {
- strncpy (f3, m_backup (f1), sizeof(f3));
- if (rename (f1, f3) == NOTOK)
- admonish (f3, "unable to rename %s to", f1);
-
- (void)snprintf(f3, sizeof (f3), "%s/%d", maildir, i);
- ext_hook("del-hook", f3, (char *)0);
- }
- if (rename (f2, f1) == NOTOK)
- admonish (f1, "unable to rename %s to", f2);
-
- (void)snprintf(f3, sizeof (f3), "%s/%d", maildir, i);
- ext_hook("add-hook", f3, (char *)0);
-
- copy_msg_flags (mp, i, msgnum);
- mp->msgflags |= SEQMOD;
- }
-
- fclose (in);
+ fclose(in);
}
-#define S1 0
-#define S2 1
-#define S3 2
-
/*
- * Copy a mesage which is being burst out of a digest.
- * It will remove any "dashstuffing" in the message.
- */
-
+** Copy a message which is being burst out of a digest.
+** It will remove any "dashstuffing" in the message.
+*/
static void
-cpybrst (FILE *in, FILE *out, char *ifile, char *ofile, int len)
+cpybrst(FILE *in, FILE *out, char *ifile, char *ofile, int len)
{
- register int c, state;
-
- for (state = S1; (c = fgetc (in)) != EOF && len > 0; len--) {
- if (c == 0)
- continue;
- switch (state) {
- case S1:
- switch (c) {
- case '-':
- state = S3;
- break;
-
- default:
- state = S2;
- case '\n':
- fputc (c, out);
+ int c;
+ enum { S1, S2, S3 } state;
+
+ for (state = S1; (c = fgetc(in)) != EOF && len > 0; len--) {
+ if (c == 0)
+ continue;
+ switch (state) {
+ case S1:
+ switch (c) {
+ case '-':
+ state = S3;
+ break;
+
+ default:
+ state = S2;
+ case '\n':
+ fputc(c, out);
+ break;
+ }
break;
- }
- break;
-
- case S2:
- switch (c) {
- case '\n':
- state = S1;
- default:
- fputc (c, out);
- break;
- }
- break;
- case S3:
- switch (c) {
- case ' ':
- state = S2;
+ case S2:
+ switch (c) {
+ case '\n':
+ state = S1;
+ default:
+ fputc(c, out);
+ break;
+ }
break;
- default:
- state = (c == '\n') ? S1 : S2;
- fputc ('-', out);
- fputc (c, out);
+ case S3:
+ switch (c) {
+ case ' ':
+ state = S2;
+ break;
+
+ default:
+ state = (c == '\n') ? S1 : S2;
+ fputc('-', out);
+ fputc(c, out);
+ break;
+ }
break;
}
- break;
}
- }
- if (ferror (in) && !feof (in))
- adios (ifile, "error reading");
- if (ferror (out))
- adios (ofile, "error writing");
+ if (ferror(in) && !feof(in))
+ adios(ifile, "error reading");
+ if (ferror(out))
+ adios(ofile, "error writing");
}
projects / mmh / blobdiff