3 * mhlsbr.c -- main routines for nmh message lister
7 * This code is Copyright (c) 2002, by the authors of nmh. See the
8 * COPYRIGHT file in the root directory of the nmh distribution for
9 * complete copyright information.
13 #include <h/signals.h>
14 #include <h/addrsbr.h>
15 #include <h/fmt_scan.h>
23 * for a component containing addresses, ADDRFMT, if COMPRESS is also
24 * set, then addresses get split wrong (not at the spaces between commas).
25 * To fix this correctly, putstr() should know about "atomic" strings that
26 * must NOT be broken across lines. That's too difficult for right now
27 * (it turns out that there are a number of degernate cases), so in
28 * oneline(), instead of
30 * (*onelp == '\n' && !onelp[1])
32 * being a terminating condition,
34 * (*onelp == '\n' && (!onelp[1] || (flags & ADDRFMT)))
36 * is used instead. This cuts the line prematurely, and gives us a much
37 * better chance of getting things right.
46 static struct swit mhlswitches[] = {
56 { "faceproc program", 0 },
60 { "folder +folder", 0 },
62 { "form formfile", 0 },
64 { "moreproc program", 0 },
68 { "length lines", 0 },
70 { "width columns", 0 },
72 { "sleep seconds", 0 },
74 { "dashstuffing", -12 }, /* interface from forw */
75 #define NBITSTUFFSW 14
76 { "nodashstuffing", -14 }, /* interface from forw */
82 { "forward", -7 }, /* interface from forw */
84 { "forwall", -7 }, /* interface from forw */
86 { "digest list", -6 },
88 { "volume number", -6 },
90 { "issue number", -5 },
96 #define NOCOMPONENT 0x000001 /* don't show component name */
97 #define UPPERCASE 0x000002 /* display in all upper case */
98 #define CENTER 0x000004 /* center line */
99 #define CLEARTEXT 0x000008 /* cleartext */
100 #define EXTRA 0x000010 /* an "extra" component */
101 #define HDROUTPUT 0x000020 /* already output */
102 #define CLEARSCR 0x000040 /* clear screen */
103 #define LEFTADJUST 0x000080 /* left justify multiple lines */
104 #define COMPRESS 0x000100 /* compress text */
105 #define ADDRFMT 0x000200 /* contains addresses */
106 #define BELL 0x000400 /* sound bell at EOP */
107 #define DATEFMT 0x000800 /* contains dates */
108 #define FORMAT 0x001000 /* parse address/date/RFC-2047 field */
109 #define INIT 0x002000 /* initialize component */
110 #define FACEFMT 0x004000 /* contains face */
111 #define FACEDFLT 0x008000 /* default for face */
112 #define SPLIT 0x010000 /* split headers (don't concatenate) */
113 #define NONEWLINE 0x020000 /* don't write trailing newline */
114 #define LBITS "\020\01NOCOMPONENT\02UPPERCASE\03CENTER\04CLEARTEXT\05EXTRA\06HDROUTPUT\07CLEARSCR\010LEFTADJUST\011COMPRESS\012ADDRFMT\013BELL\014DATEFMT\015FORMAT\016INIT\017FACEFMT\020FACEDFLT\021SPLIT\022NONEWLINE"
115 #define GFLAGS (NOCOMPONENT | UPPERCASE | CENTER | LEFTADJUST | COMPRESS | SPLIT)
118 char *c_name; /* component name */
119 char *c_text; /* component text */
120 char *c_ovtxt; /* text overflow indicator */
121 char *c_nfs; /* iff FORMAT */
122 struct format *c_fmt; /* .. */
123 char *c_face; /* face designator */
124 int c_offset; /* left margin indentation */
125 int c_ovoff; /* overflow indentation */
126 int c_width; /* width of field */
127 int c_cwidth; /* width of component */
128 int c_length; /* length in lines */
130 struct mcomp *c_next;
133 static struct mcomp *msghd = NULL;
134 static struct mcomp *msgtl = NULL;
135 static struct mcomp *fmthd = NULL;
136 static struct mcomp *fmttl = NULL;
138 static struct mcomp global = {
139 NULL, NULL, "", NULL, NULL, 0, -1, 80, -1, 40, BELL, 0
142 static struct mcomp holder = {
143 NULL, NULL, NULL, NULL, NULL, 0, 0, 0, 0, 0, NOCOMPONENT, 0
151 static struct pair pairs[] = {
153 { "From", ADDRFMT|FACEDFLT },
154 { "Sender", ADDRFMT },
155 { "Reply-To", ADDRFMT },
159 { "Resent-Date", DATEFMT },
160 { "Resent-From", ADDRFMT },
161 { "Resent-Sender", ADDRFMT },
162 { "Resent-Reply-To", ADDRFMT },
163 { "Resent-To", ADDRFMT },
164 { "Resent-cc", ADDRFMT },
165 { "Resent-Bcc", ADDRFMT },
176 static struct triple triples[] = {
177 { "nocomponent", NOCOMPONENT, 0 },
178 { "uppercase", UPPERCASE, 0 },
179 { "nouppercase", 0, UPPERCASE },
180 { "center", CENTER, 0 },
181 { "nocenter", 0, CENTER },
182 { "clearscreen", CLEARSCR, 0 },
183 { "noclearscreen", 0, CLEARSCR },
184 { "noclear", 0, CLEARSCR },
185 { "leftadjust", LEFTADJUST, 0 },
186 { "noleftadjust", 0, LEFTADJUST },
187 { "compress", COMPRESS, 0 },
188 { "nocompress", 0, COMPRESS },
189 { "split", SPLIT, 0 },
190 { "nosplit", 0, SPLIT },
191 { "addrfield", ADDRFMT, DATEFMT },
193 { "nobell", 0, BELL },
194 { "datefield", DATEFMT, ADDRFMT },
195 { "newline", 0, NONEWLINE },
196 { "nonewline", NONEWLINE, 0 },
201 static int bellflg = 0;
202 static int clearflg = 0;
203 static int dashstuff = 0;
204 static int dobody = 1;
205 static int forwflg = 0;
206 static int forwall = 0;
208 static int sleepsw = NOTOK;
210 static char *digest = NULL;
211 static int volume = 0;
212 static int issue = 0;
214 static int exitstat = 0;
215 static int mhldebug = 0;
220 static int ontty = NOTTY;
233 static unsigned char *onelp;
237 static int num_ignores = 0;
238 static char *ignores[MAXARGS];
241 static jmp_buf mhlenv;
243 static char delim3[] = /* from forw.c */
244 "\n----------------------------------------------------------------------\n\n";
245 static char delim4[] = "\n------------------------------\n\n";
247 static FILE *(*mhl_action) () = (FILE *(*) ()) 0;
251 * Redefine a couple of functions.
252 * These are undefined later in the code.
254 #define adios mhladios
260 static void mhl_format (char *, int, int);
261 static int evalvar (struct mcomp *);
262 static int ptoi (char *, int *);
263 static int ptos (char *, char **);
264 static char *parse (void);
265 static void process (char *, char *, int, int);
266 static void mhlfile (FILE *, char *, int, int);
267 static int mcomp_flags (char *);
268 static char *mcomp_add (long, char *, char *);
269 static void mcomp_format (struct mcomp *, struct mcomp *);
270 static struct mcomp *add_queue (struct mcomp **, struct mcomp **, char *, char *, int);
271 static void free_queue (struct mcomp **, struct mcomp **);
272 static void putcomp (struct mcomp *, struct mcomp *, int);
273 static char *oneline (char *, long);
274 static void putstr (char *);
275 static void putch (char);
276 static RETSIGTYPE intrser (int);
277 static RETSIGTYPE pipeser (int);
278 static RETSIGTYPE quitser (int);
279 static void face_format (struct mcomp *);
280 static int doface (struct mcomp *);
281 static void mhladios (char *, char *, ...);
282 static void mhldone (int);
283 static void m_popen (char *);
285 int mhl (int, char **);
286 int mhlsbr (int, char **, FILE *(*)());
287 void m_pclose (void);
289 void clear_screen (void); /* from termsbr.c */
290 int SOprintf (char *, ...); /* from termsbr.c */
291 int sc_width (void); /* from termsbr.c */
292 int sc_length (void); /* from termsbr.c */
293 int sc_hardcopy (void); /* from termsbr.c */
297 mhl (int argc, char **argv)
299 int length = 0, nomore = 0;
300 int i, width = 0, vecp = 0;
301 char *cp, *folder = NULL, *form = NULL;
302 char buf[BUFSIZ], *files[MAXARGS];
303 char **argp, **arguments;
305 invo_name = r1bindex (argv[0], '/');
307 /* read user profile/context */
310 arguments = getarguments (invo_name, argc, argv, 1);
313 if ((cp = getenv ("MHLDEBUG")) && *cp)
316 if ((cp = getenv ("FACEPROC")))
319 while ((cp = *argp++)) {
321 switch (smatch (++cp, mhlswitches)) {
323 ambigsw (cp, mhlswitches);
326 adios (NULL, "-%s unknown\n", cp);
329 snprintf (buf, sizeof(buf), "%s [switches] [files ...]", invo_name);
330 print_help (buf, mhlswitches, 1);
333 print_version(invo_name);
351 if (!(folder = *argp++) || *folder == '-')
352 adios (NULL, "missing argument to %s", argp[-2]);
355 if (!(form = *argp++) || *form == '-')
356 adios (NULL, "missing argument to %s", argp[-2]);
360 if (!(faceproc = *argp++) || *faceproc == '-')
361 adios (NULL, "missing argument to %s", argp[-2]);
367 if (!(cp = *argp++) || *cp == '-')
368 adios (NULL, "missing argument to %s", argp[-2]);
369 sleepsw = atoi (cp);/* ZERO ok! */
373 if (!(moreproc = *argp++) || *moreproc == '-')
374 adios (NULL, "missing argument to %s", argp[-2]);
381 if (!(cp = *argp++) || *cp == '-')
382 adios (NULL, "missing argument to %s", argp[-2]);
383 if ((length = atoi (cp)) < 1)
384 adios (NULL, "bad argument %s %s", argp[-2], cp);
387 if (!(cp = *argp++) || *cp == '-')
388 adios (NULL, "missing argument to %s", argp[-2]);
389 if ((width = atoi (cp)) < 1)
390 adios (NULL, "bad argument %s %s", argp[-2], cp);
394 if (!(digest = *argp++) || *digest == '-')
395 adios (NULL, "missing argument to %s", argp[-2]);
398 if (!(cp = *argp++) || *cp == '-')
399 adios (NULL, "missing argument to %s", argp[-2]);
400 if ((issue = atoi (cp)) < 1)
401 adios (NULL, "bad argument %s %s", argp[-2], cp);
404 if (!(cp = *argp++) || *cp == '-')
405 adios (NULL, "missing argument to %s", argp[-2]);
406 if ((volume = atoi (cp)) < 1)
407 adios (NULL, "bad argument %s %s", argp[-2], cp);
411 forwall++; /* fall */
414 clearflg = -1;/* XXX */
418 dashstuff = 1; /* trinary logic */
421 dashstuff = -1; /* trinary logic */
433 folder = getenv ("mhfolder");
435 if (isatty (fileno (stdout))) {
436 if (!nomore && !sc_hardcopy() && moreproc && *moreproc != '\0') {
438 SIGNAL (SIGINT, SIG_IGN);
439 SIGNAL2 (SIGQUIT, quitser);
441 SIGNAL2 (SIGPIPE, pipeser);
445 SIGNAL (SIGINT, SIG_IGN);
446 SIGNAL2 (SIGQUIT, quitser);
453 mhl_format (form ? form : mhlformat, length, width);
456 process (folder, NULL, 1, vecp = 1);
458 for (i = 0; i < vecp; i++)
459 process (folder, files[i], i + 1, vecp);
464 printf ("%s", delim4);
466 snprintf (buf, sizeof(buf), "End of %s Digest\n", digest);
468 snprintf (buf, sizeof(buf), "End of %s Digest [Volume %d Issue %d]\n",
469 digest, volume, issue);
472 for (cp = buf + i; i > 1; i--)
479 printf ("\n------- End of Forwarded Message%s\n\n",
480 vecp > 1 ? "s" : "");
485 adios("output", "error writing");
488 if (clearflg > 0 && ontty == NOTTY)
499 mhl_format (char *file, int length, int width)
503 char *ap, buffer[BUFSIZ], name[NAMESZ];
507 static dev_t dev = 0;
508 static ino_t ino = 0;
509 static time_t mtime = 0;
512 if (stat (etcpath (file), &st) != NOTOK
513 && mtime == st.st_mtime
518 free_queue (&fmthd, &fmttl);
521 if ((fp = fopen (etcpath (file), "r")) == NULL)
522 adios (file, "unable to open format file");
524 if (fstat (fileno (fp), &st) != NOTOK) {
530 global.c_ovtxt = global.c_nfs = NULL;
534 if ((i = sc_width ()) > 5)
536 global.c_cwidth = -1;
537 if ((i = sc_length ()) > 5)
538 global.c_length = i - 1;
539 global.c_flags = BELL; /* BELL is default */
540 *(ip = ignores) = NULL;
542 while (vfgets (fp, &ap) == OK) {
547 if ((cp = strchr(bp, '\n')))
551 c1 = add_queue (&fmthd, &fmttl, NULL, bp + 1, CLEARTEXT);
556 strncpy (name, parse(), sizeof(name));
562 * Split this list of fields to ignore, and copy
563 * it to the end of the current "ignores" list.
565 if (!mh_strcasecmp (name, "ignores")) {
566 char **tmparray, **p;
569 /* split the fields */
570 tmparray = brkstring (getcpy (++parptr), ",", NULL);
572 /* count number of fields split */
577 /* copy pointers to split fields to ignores array */
578 ip = copyip (tmparray, ip, MAXARGS - num_ignores);
584 if (evalvar (&global))
585 adios (NULL, "format file syntax error: %s", bp);
592 c1 = add_queue (&fmthd, &fmttl, name, NULL, INIT);
593 while (*parptr == ':' || *parptr == ',') {
596 adios (NULL, "format file syntax error: %s", bp);
598 if (!c1->c_nfs && global.c_nfs) {
599 if (c1->c_flags & DATEFMT) {
600 if (global.c_flags & DATEFMT)
601 c1->c_nfs = getcpy (global.c_nfs);
604 if (c1->c_flags & ADDRFMT) {
605 if (global.c_flags & ADDRFMT)
606 c1->c_nfs = getcpy (global.c_nfs);
612 adios (NULL, "format file syntax error: %s", bp);
618 for (c1 = fmthd; c1; c1 = c1->c_next) {
619 fprintf (stderr, "c1: name=\"%s\" text=\"%s\" ovtxt=\"%s\"\n",
620 c1->c_name, c1->c_text, c1->c_ovtxt);
621 fprintf (stderr, "\tnfs=0x%x fmt=0x%x\n",
622 (unsigned int) c1->c_nfs, (unsigned int) c1->c_fmt);
623 fprintf (stderr, "\toffset=%d ovoff=%d width=%d cwidth=%d length=%d\n",
624 c1->c_offset, c1->c_ovoff, c1->c_width,
625 c1->c_cwidth, c1->c_length);
626 fprintf (stderr, "\tflags=%s\n",
627 snprintb (buffer, sizeof(buffer), (unsigned) c1->c_flags, LBITS));
633 global.c_flags |= CLEARSCR;
636 global.c_flags &= ~CLEARSCR;
639 switch (bellflg) { /* command line may override format file */
641 global.c_flags |= BELL;
644 global.c_flags &= ~BELL;
649 global.c_length = length;
651 global.c_width = width;
652 if (global.c_length < 5)
653 global.c_length = 10000;
654 if (global.c_width < 5)
655 global.c_width = 10000;
660 evalvar (struct mcomp *c1)
662 char *cp, name[NAMESZ];
667 strncpy (name, parse(), sizeof(name));
669 if (!mh_strcasecmp (name, "component")) {
670 if (ptos (name, &c1->c_text))
672 c1->c_flags &= ~NOCOMPONENT;
676 if (!mh_strcasecmp (name, "overflowtext"))
677 return ptos (name, &c1->c_ovtxt);
679 if (!mh_strcasecmp (name, "formatfield")) {
682 if (ptos (name, &cp))
684 nfs = new_fs (NULL, NULL, cp);
685 c1->c_nfs = getcpy (nfs);
686 c1->c_flags |= FORMAT;
690 if (!mh_strcasecmp (name, "decode")) {
693 nfs = new_fs (NULL, NULL, "%(decode{text})");
694 c1->c_nfs = getcpy (nfs);
695 c1->c_flags |= FORMAT;
699 if (!mh_strcasecmp (name, "offset"))
700 return ptoi (name, &c1->c_offset);
701 if (!mh_strcasecmp (name, "overflowoffset"))
702 return ptoi (name, &c1->c_ovoff);
703 if (!mh_strcasecmp (name, "width"))
704 return ptoi (name, &c1->c_width);
705 if (!mh_strcasecmp (name, "compwidth"))
706 return ptoi (name, &c1->c_cwidth);
707 if (!mh_strcasecmp (name, "length"))
708 return ptoi (name, &c1->c_length);
709 if (!mh_strcasecmp (name, "nodashstuffing"))
710 return (dashstuff = -1);
712 for (ap = triples; ap->t_name; ap++)
713 if (!mh_strcasecmp (ap->t_name, name)) {
714 c1->c_flags |= ap->t_on;
715 c1->c_flags &= ~ap->t_off;
724 ptoi (char *name, int *i)
728 if (*parptr++ != '=' || !*(cp = parse ())) {
729 advise (NULL, "missing argument to variable %s", name);
739 ptos (char *name, char **s)
743 if (*parptr++ != '=') {
744 advise (NULL, "missing argument to variable %s", name);
748 if (*parptr != '"') {
750 *parptr && *parptr != ':' && *parptr != ',';
754 for (cp = ++parptr; *parptr && *parptr != '"'; parptr++)
755 if (*parptr == QUOTE)
762 if ((*parptr = c) == '"')
773 static char result[NAMESZ];
775 for (cp = result; *parptr && (cp - result < NAMESZ); parptr++) {
794 process (char *folder, char *fname, int ofilen, int ofilec)
800 switch (setjmp (env)) {
803 fp = mhl_action ? (*mhl_action) (fname) : fopen (fname, "r");
805 advise (fname, "unable to open");
813 cp = folder ? concat (folder, ":", fname, NULL) : getcpy (fname);
815 SIGNAL (SIGINT, intrser);
816 mhlfile (fp, cp, ofilen, ofilec); /* FALL THROUGH! */
820 SIGNAL (SIGINT, SIG_IGN);
821 if (mhl_action == NULL && fp != stdin)
825 free (holder.c_text);
826 holder.c_text = NULL;
828 free_queue (&msghd, &msgtl);
829 for (c1 = fmthd; c1; c1 = c1->c_next)
830 c1->c_flags &= ~HDROUTPUT;
837 mhlfile (FILE *fp, char *mname, int ofilen, int ofilec)
840 struct mcomp *c1, *c2, *c3;
841 char **ip, name[NAMESZ], buf[BUFSIZ];
845 printf ("%s", ofilen == 1 ? delim3 : delim4);
847 printf ("\n-------");
849 printf (" Forwarded Message%s", ofilec > 1 ? "s" : "");
851 printf (" Message %d", ofilen);
859 if ((global.c_flags & CLEARSCR))
864 printf (">>> %s\n\n", mname);
869 strncpy (buf, "\n", sizeof(buf));
871 if (SOprintf ("Press <return> to list \"%s\"...", mname)) {
874 printf ("Press <return> to list \"%s\"...", mname);
878 read (fileno (stdout), buf, sizeof(buf));
880 if (strchr(buf, '\n')) {
881 if ((global.c_flags & CLEARSCR))
895 printf (">>> %s\n\n", mname);
901 for (state = FLD;;) {
902 switch (state = m_getfld (state, name, buf, sizeof(buf), fp)) {
905 for (ip = ignores; *ip; ip++)
906 if (!mh_strcasecmp (name, *ip)) {
907 while (state == FLDPLUS)
908 state = m_getfld (state, name, buf, sizeof(buf), fp);
914 for (c2 = fmthd; c2; c2 = c2->c_next)
915 if (!mh_strcasecmp (c2->c_name, name))
918 if (!((c3 = c2 ? c2 : &global)->c_flags & SPLIT))
919 for (c1 = msghd; c1; c1 = c1->c_next)
920 if (!mh_strcasecmp (c1->c_name, c3->c_name)) {
922 mcomp_add (c1->c_flags, buf, c1->c_text);
926 c1 = add_queue (&msghd, &msgtl, name, buf, 0);
927 while (state == FLDPLUS) {
928 state = m_getfld (state, name, buf, sizeof(buf), fp);
929 c1->c_text = add (buf, c1->c_text);
932 c1->c_flags |= EXTRA;
938 for (c1 = fmthd; c1; c1 = c1->c_next) {
939 if (c1->c_flags & CLEARTEXT) {
940 putcomp (c1, c1, ONECOMP);
943 if (!mh_strcasecmp (c1->c_name, "messagename")) {
944 holder.c_text = concat ("(Message ", mname, ")\n",
946 putcomp (c1, &holder, ONECOMP);
947 free (holder.c_text);
948 holder.c_text = NULL;
951 if (!mh_strcasecmp (c1->c_name, "extras")) {
952 for (c2 = msghd; c2; c2 = c2->c_next)
953 if (c2->c_flags & EXTRA)
954 putcomp (c1, c2, TWOCOMP);
957 if (dobody && !mh_strcasecmp (c1->c_name, "body")) {
958 holder.c_text = mh_xmalloc (sizeof(buf));
959 strncpy (holder.c_text, buf, sizeof(buf));
960 while (state == BODY) {
961 putcomp (c1, &holder, BODYCOMP);
962 state = m_getfld (state, name, holder.c_text,
965 free (holder.c_text);
966 holder.c_text = NULL;
969 for (c2 = msghd; c2; c2 = c2->c_next)
970 if (!mh_strcasecmp (c2->c_name, c1->c_name)) {
971 putcomp (c1, c2, ONECOMP);
972 if (!(c1->c_flags & SPLIT))
975 if (faceproc && c2 == NULL && (c1->c_flags & FACEFMT))
976 for (c2 = msghd; c2; c2 = c2->c_next)
977 if (c2->c_flags & FACEDFLT) {
978 if (c2->c_face == NULL)
980 if ((holder.c_text = c2->c_face)) {
981 putcomp (c1, &holder, ONECOMP);
982 holder.c_text = NULL;
991 advise (NULL, "format error in message %s", mname);
996 adios (NULL, "getfld() returned %d", state);
1003 mcomp_flags (char *name)
1007 for (ap = pairs; ap->p_name; ap++)
1008 if (!mh_strcasecmp (ap->p_name, name))
1009 return (ap->p_flags);
1016 mcomp_add (long flags, char *s1, char *s2)
1020 if (!(flags & ADDRFMT))
1021 return add (s1, s2);
1023 if (s2 && *(dp = s2 + strlen (s2) - 1) == '\n')
1026 return add (s1, add (",\n", s2));
1033 struct pqpair *pq_next;
1038 mcomp_format (struct mcomp *c1, struct mcomp *c2)
1042 char buffer[BUFSIZ], error[BUFSIZ];
1044 struct pqpair *p, *q;
1046 struct mailname *mp;
1053 dat[3] = sizeof(buffer) - 1;
1055 fmt_compile (c1->c_nfs, &c1->c_fmt);
1057 if (!(c1->c_flags & ADDRFMT)) {
1058 FINDCOMP (cptr, "text");
1061 if ((cp = strrchr(ap, '\n'))) /* drop ending newline */
1065 fmt_scan (c1->c_fmt, buffer, sizeof(buffer) - 1, dat);
1066 /* Don't need to append a newline, dctime() already did */
1067 c2->c_text = getcpy (buffer);
1073 (q = &pq)->pq_next = NULL;
1074 while ((cp = getname (ap))) {
1075 if ((p = (struct pqpair *) calloc ((size_t) 1, sizeof(*p))) == NULL)
1076 adios (NULL, "unable to allocate pqpair memory");
1078 if ((mp = getm (cp, NULL, 0, AD_NAME, error)) == NULL) {
1079 p->pq_text = getcpy (cp);
1080 p->pq_error = getcpy (error);
1082 if ((c1->c_flags & FACEDFLT) && c2->c_face == NULL) {
1084 if ((h = mp->m_host) == NULL)
1086 if ((o = OfficialName (h)))
1088 c2->c_face = concat ("address ", h, " ", mp->m_mbox,
1091 p->pq_text = getcpy (mp->m_text);
1094 q = (q->pq_next = p);
1097 for (p = pq.pq_next; p; p = q) {
1098 FINDCOMP (cptr, "text");
1100 cptr->c_text = p->pq_text;
1101 FINDCOMP (cptr, "error");
1103 cptr->c_text = p->pq_error;
1105 fmt_scan (c1->c_fmt, buffer, sizeof(buffer) - 1, dat);
1108 c2->c_text = add (",\n", c2->c_text);
1109 if (*(cp = buffer + strlen (buffer) - 1) == '\n')
1111 c2->c_text = add (buffer, c2->c_text);
1121 c2->c_text = add ("\n", c2->c_text);
1126 static struct mcomp *
1127 add_queue (struct mcomp **head, struct mcomp **tail, char *name, char *text, int flags)
1131 if ((c1 = (struct mcomp *) calloc ((size_t) 1, sizeof(*c1))) == NULL)
1132 adios (NULL, "unable to allocate comp memory");
1134 c1->c_flags = flags & ~INIT;
1135 if ((c1->c_name = name ? getcpy (name) : NULL))
1136 c1->c_flags |= mcomp_flags (c1->c_name);
1137 c1->c_text = text ? getcpy (text) : NULL;
1140 c1->c_ovtxt = getcpy (global.c_ovtxt);
1141 c1->c_offset = global.c_offset;
1142 c1->c_ovoff = global. c_ovoff;
1143 c1->c_width = c1->c_length = 0;
1144 c1->c_cwidth = global.c_cwidth;
1145 c1->c_flags |= global.c_flags & GFLAGS;
1150 (*tail)->c_next = c1;
1158 free_queue (struct mcomp **head, struct mcomp **tail)
1160 struct mcomp *c1, *c2;
1162 for (c1 = *head; c1; c1 = c2) {
1173 free ((char *) c1->c_fmt);
1179 *head = *tail = NULL;
1184 putcomp (struct mcomp *c1, struct mcomp *c2, int flag)
1191 llim = c1->c_length ? c1->c_length : -1;
1192 wid = c1->c_width ? c1->c_width : global.c_width;
1193 ovoff = (c1->c_ovoff >= 0 ? c1->c_ovoff : global.c_ovoff)
1195 if ((ovtxt = c1->c_ovtxt ? c1->c_ovtxt : global.c_ovtxt) == NULL)
1197 if (wid < ovoff + strlen (ovtxt) + 5)
1198 adios (NULL, "component: %s width(%d) too small for overflow(%d)",
1199 c1->c_name, wid, ovoff + strlen (ovtxt) + 5);
1202 if (c1->c_flags & CLEARTEXT) {
1203 putstr (c1->c_text);
1208 if (c1->c_flags & FACEFMT)
1209 switch (doface (c2)) {
1210 case NOTOK: /* error */
1211 case OK: /* async faceproc */
1214 default: /* sync faceproc */
1218 if (c1->c_nfs && (c1->c_flags & (ADDRFMT | DATEFMT | FORMAT)))
1219 mcomp_format (c1, c2);
1221 if (c1->c_flags & CENTER) {
1222 count = (c1->c_width ? c1->c_width : global.c_width)
1223 - c1->c_offset - strlen (c2->c_text);
1224 if (!(c1->c_flags & HDROUTPUT) && !(c1->c_flags & NOCOMPONENT))
1225 count -= strlen (c1->c_text ? c1->c_text : c1->c_name) + 2;
1226 lm = c1->c_offset + (count / 2);
1232 if (!(c1->c_flags & HDROUTPUT) && !(c1->c_flags & NOCOMPONENT)) {
1233 if (c1->c_flags & UPPERCASE) /* uppercase component also */
1234 for (cp = (c1->c_text ? c1->c_text : c1->c_name); *cp; cp++)
1236 *cp = toupper (*cp);
1237 putstr (c1->c_text ? c1->c_text : c1->c_name);
1238 if (flag != BODYCOMP) {
1240 if (!(c1->c_flags & SPLIT))
1241 c1->c_flags |= HDROUTPUT;
1244 if ((count = c1->c_cwidth -
1245 strlen (c1->c_text ? c1->c_text : c1->c_name) - 2) > 0)
1250 c1->c_flags |= HDROUTPUT; /* for BODYCOMP */
1254 && !(c2->c_flags & HDROUTPUT)
1255 && !(c2->c_flags & NOCOMPONENT)) {
1256 if (c1->c_flags & UPPERCASE)
1257 for (cp = c2->c_name; *cp; cp++)
1259 *cp = toupper (*cp);
1260 putstr (c2->c_name);
1262 if (!(c1->c_flags & SPLIT))
1263 c2->c_flags |= HDROUTPUT;
1266 if ((count = c1->c_cwidth - strlen (c2->c_name) - 2) > 0)
1270 if (c1->c_flags & UPPERCASE)
1271 for (cp = c2->c_text; *cp; cp++)
1273 *cp = toupper (*cp);
1277 if (flag == TWOCOMP)
1278 count = (c1->c_cwidth >= 0) ? c1->c_cwidth
1279 : strlen (c2->c_name) + 2;
1281 count = (c1->c_cwidth >= 0) ? c1->c_cwidth
1282 : strlen (c1->c_text ? c1->c_text : c1->c_name) + 2;
1284 count += c1->c_offset;
1286 if ((cp = oneline (c2->c_text, c1->c_flags)))
1290 while ((cp = oneline (c2->c_text, c1->c_flags))) {
1292 if (flag == BODYCOMP
1293 && !(c1->c_flags & NOCOMPONENT))
1294 putstr (c1->c_text ? c1->c_text : c1->c_name);
1300 if (flag == BODYCOMP && term == '\n')
1301 c1->c_flags &= ~HDROUTPUT; /* Buffer ended on a newline */
1306 oneline (char *stuff, long flags)
1314 return (onelp = NULL);
1318 if (flags & COMPRESS) {
1319 for (spc = 1, cp = ret; *onelp; onelp++)
1320 if (isspace (*onelp)) {
1321 if (*onelp == '\n' && (!onelp[1] || (flags & ADDRFMT))) {
1340 while (*onelp && *onelp != '\n')
1342 if (*onelp == '\n') {
1346 if (flags & LEFTADJUST)
1347 while (*ret == ' ' || *ret == '\t')
1350 if (*onelp == 0 && term == '\n' && (flags & NONEWLINE))
1358 putstr (char *string)
1360 if (!column && lm > 0) {
1391 if (ontty != ISTTY || row != global.c_length)
1393 if (global.c_flags & BELL)
1397 read (fileno (stdout), buf, sizeof(buf));
1398 if (strchr(buf, '\n')) {
1399 if (global.c_flags & CLEARSCR)
1404 row = global.c_length / 3;
1423 * If we are forwarding this message, and the first
1424 * column contains a dash, then add a dash and a space.
1426 if (column == 0 && forwflg && (dashstuff >= 0) && ch == '-') {
1435 if (column >= wid) {
1439 putstr (ovtxt ? ovtxt : "");
1451 #ifndef RELIABLE_SIGNALS
1452 SIGNAL (SIGINT, intrser);
1457 longjmp (env, DONE);
1464 #ifndef RELIABLE_SIGNALS
1465 SIGNAL (SIGPIPE, pipeser);
1475 #ifndef RELIABLE_SIGNALS
1476 SIGNAL (SIGQUIT, quitser);
1486 face_format (struct mcomp *c1)
1489 struct mailname *mp;
1491 if ((cp = c1->c_text) == NULL)
1494 if ((cp = getname (cp))) {
1495 if ((mp = getm (cp, NULL, 0, AD_NAME, NULL))) {
1497 if ((h = mp->m_host) == NULL)
1499 if ((o = OfficialName (h)))
1501 c1->c_face = concat ("address ", h, " ", mp->m_mbox, NULL);
1504 while ((cp = getname (cp)))
1511 * faceproc is two elements defining the image agent's location:
1516 #include <sys/socket.h>
1517 #include <netinet/in.h>
1520 #ifdef HAVE_ARPA_INET_H
1521 # include <arpa/inet.h>
1525 doface (struct mcomp *c1)
1528 static int inited = OK;
1529 static struct sockaddr_storage ss;
1530 static socklen_t socklen;
1531 static int socktype;
1532 static int protocol;
1536 char **ap = brkstring (cp = getcpy (faceproc), " ", "\n");
1537 struct addrinfo hints, *res;
1539 if (ap[0] == NULL || ap[1] == NULL) {
1542 return (inited = NOTOK);
1545 memset(&hints, 0, sizeof(hints));
1546 hints.ai_flags = AI_ADDRCONFIG;
1547 hints.ai_family = PF_UNSPEC;
1548 hints.ai_socktype = SOCK_DGRAM;
1550 if (getaddrinfo(ap[0], ap[1], &hints, &res) != 0)
1553 memcpy(&ss, res->ai_addr, res->ai_addrlen);
1554 socklen = res->ai_addrlen;
1555 socktype = res->ai_socktype;
1556 protocol = res->ai_protocol;
1561 if (inited == NOTOK)
1564 if ((sd = socket (ss.ss_family, socktype, protocol)) == NOTOK)
1567 result = sendto (sd, c1->c_text, strlen (c1->c_text), 0,
1568 (struct sockaddr *) &ss, socklen);
1572 return (result != NOTOK ? OK : NOTOK);
1577 * This version doesn't use sockets
1582 doface (struct mcomp *c1)
1586 int result, pdi[2], pdo[2];
1588 char buffer[BUFSIZ], *vec[10];
1590 if (pipe (pdi) == NOTOK)
1592 if (pipe (pdo) == NOTOK) {
1598 for (i = 0; (child_id = vfork()) == NOTOK && i < 5; i++)
1603 /* oops... fork error */
1608 SIGNAL (SIGINT, SIG_IGN);
1609 SIGNAL (SIGQUIT, SIG_IGN);
1610 if (pdi[0] != fileno (stdin)) {
1611 dup2 (pdi[0], fileno (stdin));
1616 if (pdo[1] != fileno (stdout)) {
1617 dup2 (pdo[1], fileno (stdout));
1621 vec[vecp++] = r1bindex (faceproc, '/');
1623 if (sleepsw != NOTOK) {
1625 snprintf (buffer, sizeof(buffer), "%d", sleepsw);
1626 vec[vecp++] = buffer;
1629 execvp (faceproc, vec);
1630 fprintf (stderr, "unable to exec ");
1632 _exit (-1); /* NOTREACHED */
1635 /* parent process */
1637 i = strlen (c1->c_text);
1638 if (write (pdi[1], c1->c_text, i) != i)
1639 adios ("pipe", "error writing to");
1640 free (c1->c_text), c1->c_text = NULL;
1646 while ((i = read (pdo[0], buffer, strlen (buffer))) > 0) {
1650 dp = mh_xrealloc (cp, (unsigned) (j = len + i));
1651 memcpy(dp + len, buffer, i);
1655 cp = mh_xmalloc ((unsigned) i);
1656 memcpy(cp, buffer, i);
1660 for (bp = buffer + i - 1; bp >= buffer; bp--)
1661 if (!isascii (*bp) || iscntrl (*bp)) {
1668 /* no waiting for child... */
1670 if (result == OK) { /* binary */
1671 if (write (1, cp, len) != len)
1672 adios ("writing", "error");
1676 if ((c1->c_text = cp) == NULL)
1683 #endif /* COMMENTED OUT */
1687 mhlsbr (int argc, char **argv, FILE *(*action)())
1689 SIGNAL_HANDLER istat, pstat, qstat;
1693 switch (setjmp (mhlenv)) {
1696 sleepsw = 0; /* XXX */
1697 bellflg = clearflg = forwflg = forwall = exitstat = 0;
1700 mhl_action = action;
1703 * If signal is at default action, then start ignoring
1704 * it, else let it set to its current action.
1706 if ((istat = SIGNAL (SIGINT, SIG_IGN)) != SIG_DFL)
1707 SIGNAL (SIGINT, istat);
1708 if ((qstat = SIGNAL (SIGQUIT, SIG_IGN)) != SIG_DFL)
1709 SIGNAL (SIGQUIT, qstat);
1710 pstat = SIGNAL (SIGPIPE, pipeser);
1711 mhl (argc, argv); /* FALL THROUGH! */
1714 SIGNAL (SIGINT, istat);
1715 SIGNAL (SIGQUIT, qstat);
1716 SIGNAL (SIGPIPE, SIG_IGN);/* should probably change to block instead */
1719 SIGNAL (SIGPIPE, pstat);
1721 if (holder.c_text) {
1722 free (holder.c_text);
1723 holder.c_text = NULL;
1725 free_queue (&msghd, &msgtl);
1726 for (c1 = fmthd; c1; c1 = c1->c_next)
1727 c1->c_flags &= ~HDROUTPUT;
1736 mhladios (char *what, char *fmt, ...)
1741 advertise (what, NULL, fmt, ap);
1748 mhldone (int status)
1752 longjmp (mhlenv, DONE);
1758 static int m_pid = NOTOK;
1759 static int sd = NOTOK;
1762 m_popen (char *name)
1766 if (mhl_action && (sd = dup (fileno (stdout))) == NOTOK)
1767 adios ("standard output", "unable to dup()");
1769 if (pipe (pd) == NOTOK)
1770 adios ("pipe", "unable to");
1772 switch (m_pid = vfork ()) {
1774 adios ("fork", "unable to");
1777 SIGNAL (SIGINT, SIG_DFL);
1778 SIGNAL (SIGQUIT, SIG_DFL);
1781 if (pd[0] != fileno (stdin)) {
1782 dup2 (pd[0], fileno (stdin));
1785 execlp (name, r1bindex (name, '/'), NULL);
1786 fprintf (stderr, "unable to exec ");
1792 if (pd[1] != fileno (stdout)) {
1793 dup2 (pd[1], fileno (stdout));
1808 if (dup2 (sd, fileno (stdout)) == NOTOK)
1809 adios ("standard output", "unable to dup2()");
1818 pidwait (m_pid, OK);