2 ** mhl.c -- the nmh message listing program
4 ** This code is Copyright (c) 2002, by the authors of nmh. See the
5 ** COPYRIGHT file in the root directory of the nmh distribution for
6 ** complete copyright information.
10 #include <h/signals.h>
11 #include <h/addrsbr.h>
12 #include <h/fmt_scan.h>
20 ** for a component containing addresses, ADDRFMT, if COMPRESS is also
21 ** set, then addresses get split wrong (not at the spaces between commas).
22 ** To fix this correctly, putstr() should know about "atomic" strings that
23 ** must NOT be broken across lines. That's too difficult for right now
24 ** (it turns out that there are a number of degernate cases), so in
25 ** oneline(), instead of
27 ** (*onelp == '\n' && !onelp[1])
29 ** being a terminating condition,
31 ** (*onelp == '\n' && (!onelp[1] || (flags & ADDRFMT)))
33 ** is used instead. This cuts the line prematurely, and gives us a much
34 ** better chance of getting things right.
43 static struct swit mhlswitches[] = {
45 { "form formfile", 0 },
47 { "width columns", 0 },
49 { "sleep seconds", 0 },
59 { "digest list", -6 },
61 { "volume number", -6 },
63 { "issue number", -5 },
69 #define NOCOMPONENT 0x000001 /* don't show component name */
70 #define UPPERCASE 0x000002 /* display in all upper case */
71 #define CENTER 0x000004 /* center line */
72 #define CLEARTEXT 0x000008 /* cleartext */
73 #define EXTRA 0x000010 /* an "extra" component */
74 #define HDROUTPUT 0x000020 /* already output */
75 #define LEFTADJUST 0x000040 /* left justify multiple lines */
76 #define COMPRESS 0x000080 /* compress text */
77 #define ADDRFMT 0x000100 /* contains addresses */
78 #define DATEFMT 0x000200 /* contains dates */
79 #define FORMAT 0x000400 /* parse address/date/RFC-2047 field */
80 #define INIT 0x000800 /* initialize component */
81 #define SPLIT 0x001000 /* split headers (don't concatenate) */
82 #define NONEWLINE 0x002000 /* don't write trailing newline */
83 #define LBITS "\020\01NOCOMPONENT\02UPPERCASE\03CENTER\04CLEARTEXT\05EXTRA\06HDROUTPUT\07LEFTADJUST\010COMPRESS\011ADDRFMT\012DATEFMT\013FORMAT\014INIT\015SPLIT\016NONEWLINE"
84 #define GFLAGS (NOCOMPONENT | UPPERCASE | CENTER | LEFTADJUST | COMPRESS | SPLIT)
87 char *c_name; /* component name */
88 char *c_text; /* component text */
89 char *c_ovtxt; /* text overflow indicator */
90 char *c_fstr; /* iff FORMAT */
91 struct format *c_fmt; /* .. */
92 int c_offset; /* left margin indentation */
93 int c_ovoff; /* overflow indentation */
94 int c_width; /* width of field */
95 int c_cwidth; /* width of component */
100 static struct mcomp *msghd = NULL;
101 static struct mcomp *msgtl = NULL;
102 static struct mcomp *fmthd = NULL;
103 static struct mcomp *fmttl = NULL;
105 static struct mcomp global = {
106 NULL, NULL, NULL, NULL, NULL, 0, -1, 80, -1, 0, NULL
109 static struct mcomp holder = {
110 NULL, NULL, NULL, NULL, NULL, 0, 0, 0, 0, NOCOMPONENT, NULL
118 static struct pair pairs[] = {
121 { "Sender", ADDRFMT },
122 { "Reply-To", ADDRFMT },
126 { "Resent-Date", DATEFMT },
127 { "Resent-From", ADDRFMT },
128 { "Resent-Sender", ADDRFMT },
129 { "Resent-Reply-To", ADDRFMT },
130 { "Resent-To", ADDRFMT },
131 { "Resent-Cc", ADDRFMT },
132 { "Resent-Bcc", ADDRFMT },
142 static struct triple triples[] = {
143 { "nocomponent", NOCOMPONENT, 0 },
144 { "uppercase", UPPERCASE, 0 },
145 { "nouppercase", 0, UPPERCASE },
146 { "center", CENTER, 0 },
147 { "nocenter", 0, CENTER },
148 { "leftadjust", LEFTADJUST, 0 },
149 { "noleftadjust", 0, LEFTADJUST },
150 { "compress", COMPRESS, 0 },
151 { "nocompress", 0, COMPRESS },
152 { "split", SPLIT, 0 },
153 { "nosplit", 0, SPLIT },
154 { "addrfield", ADDRFMT, DATEFMT },
155 { "datefield", DATEFMT, ADDRFMT },
156 { "newline", 0, NONEWLINE },
157 { "nonewline", NONEWLINE, 0 },
162 static int dobody = 1;
163 static int forwflg = 0;
164 static int forwall = 0;
166 static int sleepsw = NOTOK;
168 static char *digest = NULL;
169 static int volume = 0;
170 static int issue = 0;
172 static int exitstat = 0;
173 static int mhldebug = 0;
177 static int ontty = NOTTY;
179 static unsigned int column;
184 static unsigned int wid;
188 static unsigned char *onelp;
192 static int num_ignores = 0;
193 static char *ignores[MAXARGS];
196 static jmp_buf mhlenv;
198 static char delim3[] =
199 "\n----------------------------------------------------------------------\n\n";
200 static char delim4[] = "\n------------------------------\n\n";
202 static FILE *(*mhl_action) () = (FILE *(*) ()) 0;
206 ** Redefine a couple of functions.
207 ** These are undefined later in the code.
209 #define adios mhladios
215 static void mhl_format(char *, int);
216 static int evalvar(struct mcomp *);
217 static int ptoi(char *, int *);
218 static int ptos(char *, char **);
219 static char *parse(void);
220 static void process(char *, int, int);
221 static void mhlfile(FILE *, char *, int, int);
222 static int mcomp_flags(char *);
223 static char *mcomp_add(long, char *, char *);
224 static void mcomp_format(struct mcomp *, struct mcomp *);
225 static struct mcomp *add_queue(struct mcomp **, struct mcomp **,
226 char *, char *, int);
227 static void free_queue(struct mcomp **, struct mcomp **);
228 static void putcomp(struct mcomp *, struct mcomp *, int);
229 static char *oneline(char *, long);
230 static void putstr(char *);
231 static void putch(char);
232 static void intrser(int);
233 static void pipeser(int);
234 static void quitser(int);
235 static void mhladios(char *, char *, ...);
236 static void mhldone(int);
237 static void m_popen(char *);
241 int sc_width(void); /* from termsbr.c */
245 main(int argc, char **argv)
247 int i, width = 0, vecp = 0;
248 char *cp, *form = NULL;
249 char buf[BUFSIZ], *files[MAXARGS];
250 char **argp, **arguments;
253 setlocale(LC_ALL, "");
256 invo_name = mhbasename(argv[0]);
258 /* read user profile/context */
261 arguments = getarguments(invo_name, argc, argv, 1);
264 if ((cp = getenv("MHLDEBUG")) && *cp)
267 while ((cp = *argp++)) {
269 switch (smatch(++cp, mhlswitches)) {
271 ambigsw(cp, mhlswitches);
274 adios(NULL, "-%s unknown\n", cp);
277 snprintf(buf, sizeof(buf), "%s [switches] [files ...]", invo_name);
278 print_help(buf, mhlswitches, 1);
281 print_version(invo_name);
285 if (!(form = *argp++) || *form == '-')
286 adios(NULL, "missing argument to %s",
291 if (!(cp = *argp++) || *cp == '-')
292 adios(NULL, "missing argument to %s",
294 sleepsw = atoi(cp); /* ZERO ok! */
298 if (!(cp = *argp++) || *cp == '-')
299 adios(NULL, "missing argument to %s",
301 if ((width = atoi(cp)) < 1)
302 adios(NULL, "bad argument %s %s",
307 if (!(digest = *argp++) ||
309 adios(NULL, "missing argument to %s",
313 if (!(cp = *argp++) || *cp == '-')
314 adios(NULL, "missing argument to %s",
316 if ((issue = atoi(cp)) < 1)
317 adios(NULL, "bad argument %s %s",
321 if (!(cp = *argp++) || *cp == '-')
322 adios(NULL, "missing argument to %s",
324 if ((volume = atoi(cp)) < 1)
325 adios(NULL, "bad argument %s %s",
330 forwall++; /* fall */
343 if (isatty(fileno(stdout))) {
345 SIGNAL(SIGINT, SIG_IGN);
346 SIGNAL2(SIGQUIT, quitser);
348 SIGNAL2(SIGPIPE, pipeser);
349 m_popen(defaultpager);
355 mhl_format(form ? form : mhlformat, width);
358 process(NULL, 1, vecp = 1);
360 for (i = 0; i < vecp; i++)
361 process(files[i], i + 1, vecp);
366 printf("%s", delim4);
368 snprintf(buf, sizeof(buf),
369 "End of %s Digest\n", digest);
371 snprintf(buf, sizeof(buf), "End of %s Digest [Volume %d Issue %d]\n", digest, volume, issue);
374 for (cp = buf + i; i > 1; i--)
380 printf("\n------- End of Forwarded Message%s\n\n",
381 vecp > 1 ? "s" : "");
385 if (ferror(stdout)) {
386 adios("output", "error writing");
397 mhl_format(char *file, int width)
401 char *ap, buffer[BUFSIZ], name[NAMESZ];
405 static dev_t dev = 0;
406 static ino_t ino = 0;
407 static time_t mtime = 0;
410 if (stat(etcpath(file), &st) != NOTOK
411 && mtime == st.st_mtime
416 free_queue(&fmthd, &fmttl);
419 if ((fp = fopen(etcpath(file), "r")) == NULL)
420 adios(file, "unable to open format file");
422 if (fstat(fileno(fp), &st) != NOTOK) {
428 global.c_ovtxt = global.c_fstr = NULL;
432 if ((i = sc_width()) > 5)
434 global.c_cwidth = -1;
438 while (vfgets(fp, &ap) == OK) {
443 if ((cp = strchr(bp, '\n')))
447 c1 = add_queue(&fmthd, &fmttl, NULL, bp + 1,
453 strncpy(name, parse(), sizeof(name));
459 ** Split this list of fields to ignore, and copy
460 ** it to the end of the current "ignores" list.
462 if (!mh_strcasecmp(name, "ignores")) {
466 /* split the fields */
467 tmparray = brkstring(getcpy(++parptr), ",",
470 ** copy pointers to split fields
473 while (tmparray[n] && num_ignores<MAXARGS-1) {
474 ignores[num_ignores++] = tmparray[n++];
476 ignores[num_ignores] = NULL;
481 if (evalvar(&global))
482 adios(NULL, "format file syntax error: %s", bp);
489 c1 = add_queue(&fmthd, &fmttl, name, NULL, INIT);
490 while (*parptr == ':' || *parptr == ',') {
493 adios(NULL, "format file syntax error: %s", bp);
495 if (!c1->c_fstr && global.c_fstr) {
496 if ((c1->c_flags & DATEFMT) &&
497 (global.c_flags & DATEFMT)) {
498 c1->c_fstr = getcpy(global.c_fstr);
499 } else if ((c1->c_flags & ADDRFMT) &&
500 (global.c_flags & ADDRFMT)) {
501 c1->c_fstr = getcpy(global.c_fstr);
507 adios(NULL, "format file syntax error: %s", bp);
513 for (c1 = fmthd; c1; c1 = c1->c_next) {
514 fprintf(stderr, "c1: name=\"%s\" text=\"%s\" ovtxt=\"%s\"\n", c1->c_name, c1->c_text, c1->c_ovtxt);
515 fprintf(stderr, "\tfstr=0x%x fmt=0x%x\n", (unsigned int)(unsigned long) c1->c_fstr, (unsigned int)(unsigned long) c1->c_fmt);
516 fprintf(stderr, "\toffset=%d ovoff=%d width=%d cwidth=%d\n", c1->c_offset, c1->c_ovoff, c1->c_width, c1->c_cwidth);
517 fprintf (stderr, "\tflags=%s\n", snprintb(buffer, sizeof(buffer), (unsigned) c1->c_flags, LBITS));
523 global.c_width = width;
524 if (global.c_width < 5)
525 global.c_width = 10000;
530 evalvar(struct mcomp *c1)
532 char *cp, name[NAMESZ];
537 strncpy(name, parse(), sizeof(name));
539 if (!mh_strcasecmp(name, "component")) {
540 if (ptos(name, &c1->c_text))
542 c1->c_flags &= ~NOCOMPONENT;
546 if (!mh_strcasecmp(name, "overflowtext"))
547 return ptos(name, &c1->c_ovtxt);
549 if (!mh_strcasecmp(name, "formatfield")) {
554 cp = concat("=", cp, NULL);
555 fmtstr = new_fs(cp, NULL);
557 c1->c_fstr = getcpy(fmtstr);
558 c1->c_flags |= FORMAT;
562 if (!mh_strcasecmp(name, "decode")) {
565 fmtstr = new_fs("=%(decode{text})", NULL);
566 c1->c_fstr = getcpy(fmtstr);
567 c1->c_flags |= FORMAT;
571 if (!mh_strcasecmp(name, "offset"))
572 return ptoi(name, &c1->c_offset);
573 if (!mh_strcasecmp(name, "overflowoffset"))
574 return ptoi(name, &c1->c_ovoff);
575 if (!mh_strcasecmp(name, "width"))
576 return ptoi(name, &c1->c_width);
577 if (!mh_strcasecmp(name, "compwidth"))
578 return ptoi(name, &c1->c_cwidth);
580 for (ap = triples; ap->t_name; ap++)
581 if (!mh_strcasecmp(ap->t_name, name)) {
582 c1->c_flags |= ap->t_on;
583 c1->c_flags &= ~ap->t_off;
592 ptoi(char *name, int *i)
596 if (*parptr++ != '=' || !*(cp = parse())) {
597 advise(NULL, "missing argument to variable %s", name);
607 ptos(char *name, char **s)
611 if (*parptr++ != '=') {
612 advise(NULL, "missing argument to variable %s", name);
616 if (*parptr != '"') {
617 for (cp = parptr; *parptr && *parptr != ':' && *parptr != ',';
621 for (cp = ++parptr; *parptr && *parptr != '"'; parptr++)
622 if (*parptr == QUOTE)
629 if ((*parptr = c) == '"')
640 static char result[NAMESZ];
642 for (cp = result; *parptr && (cp - result < NAMESZ); parptr++) {
661 process(char *fname, int ofilen, int ofilec)
666 switch (setjmp(env)) {
669 fp = mhl_action ? (*mhl_action) (fname) :
672 advise(fname, "unable to open");
681 SIGNAL(SIGINT, intrser);
682 mhlfile(fp, fname, ofilen, ofilec);
686 SIGNAL(SIGINT, SIG_IGN);
687 if (mhl_action == NULL && fp != stdin)
691 holder.c_text = NULL;
693 free_queue(&msghd, &msgtl);
694 for (c1 = fmthd; c1; c1 = c1->c_next)
695 c1->c_flags &= ~HDROUTPUT;
702 mhlfile(FILE *fp, char *mname, int ofilen, int ofilec)
705 struct mcomp *c1, *c2, *c3;
706 char **ip, name[NAMESZ], buf[BUFSIZ];
710 printf("%s", ofilen == 1 ? delim3 : delim4);
714 printf(" Forwarded Message%s",
715 ofilec > 1 ? "s" : "");
717 printf(" Message %d", ofilen);
720 } else if (ofilec > 1) {
724 printf(">>> %s\n\n", mname);
727 for (state = FLD;;) {
728 switch (state = m_getfld(state, name, buf, sizeof(buf), fp)) {
731 for (ip = ignores; *ip; ip++)
732 if (!mh_strcasecmp(name, *ip)) {
733 while (state == FLDPLUS)
734 state = m_getfld(state, name, buf, sizeof(buf), fp);
740 for (c2 = fmthd; c2; c2 = c2->c_next)
741 if (!mh_strcasecmp(c2->c_name, name))
744 if (!((c3 = c2 ? c2 : &global)->c_flags & SPLIT))
745 for (c1 = msghd; c1; c1 = c1->c_next)
746 if (!mh_strcasecmp(c1->c_name,
748 c1->c_text = mcomp_add(c1->c_flags, buf, c1->c_text);
752 c1 = add_queue(&msghd, &msgtl, name, buf, 0);
753 while (state == FLDPLUS) {
754 state = m_getfld(state, name, buf,
756 c1->c_text = add(buf, c1->c_text);
759 c1->c_flags |= EXTRA;
765 for (c1 = fmthd; c1; c1 = c1->c_next) {
766 if (c1->c_flags & CLEARTEXT) {
767 putcomp(c1, c1, ONECOMP);
770 if (!mh_strcasecmp(c1->c_name, "messagename")) {
771 holder.c_text = concat("(Message ",
773 putcomp(c1, &holder, ONECOMP);
775 holder.c_text = NULL;
778 if (!mh_strcasecmp(c1->c_name, "extras")) {
779 for (c2 = msghd; c2; c2 = c2->c_next)
780 if (c2->c_flags & EXTRA)
781 putcomp(c1, c2, TWOCOMP);
784 if (dobody && !mh_strcasecmp(c1->c_name, "body")) {
785 holder.c_text = mh_xmalloc(sizeof(buf));
786 strncpy(holder.c_text, buf, sizeof(buf));
787 while (state == BODY) {
788 putcomp(c1, &holder, BODYCOMP);
789 state = m_getfld(state, name, holder.c_text, sizeof(buf), fp);
792 holder.c_text = NULL;
795 for (c2 = msghd; c2; c2 = c2->c_next)
796 if (!mh_strcasecmp(c2->c_name,
798 putcomp(c1, c2, ONECOMP);
799 if (!(c1->c_flags & SPLIT))
807 advise(NULL, "format error in message %s", mname);
812 adios(NULL, "getfld() returned %d", state);
819 mcomp_flags(char *name)
823 for (ap = pairs; ap->p_name; ap++)
824 if (!mh_strcasecmp(ap->p_name, name))
825 return (ap->p_flags);
832 mcomp_add(long flags, char *s1, char *s2)
836 if (!(flags & ADDRFMT))
839 if (s2 && *(dp = s2 + strlen(s2) - 1) == '\n')
842 return add(s1, add(",\n", s2));
849 struct pqpair *pq_next;
854 mcomp_format(struct mcomp *c1, struct mcomp *c2)
858 char buffer[BUFSIZ], error[BUFSIZ];
860 struct pqpair *p, *q;
869 dat[3] = sizeof(buffer) - 1;
871 fmt_compile(c1->c_fstr, &c1->c_fmt);
873 if (!(c1->c_flags & ADDRFMT)) {
874 FINDCOMP(cptr, "text");
877 if ((cp = strrchr(ap, '\n'))) /* drop ending newline */
881 fmt_scan(c1->c_fmt, buffer, sizeof(buffer) - 1, dat);
882 /* Don't need to append a newline, dctime() already did */
883 c2->c_text = getcpy(buffer);
889 (q = &pq)->pq_next = NULL;
890 while ((cp = getname(ap))) {
891 if ((p = (struct pqpair *)
892 calloc((size_t) 1, sizeof(*p))) == NULL)
893 adios(NULL, "unable to allocate pqpair memory");
895 if ((mp = getm(cp, NULL, 0, AD_NAME, error)) == NULL) {
896 p->pq_text = getcpy(cp);
897 p->pq_error = getcpy(error);
899 p->pq_text = getcpy(mp->m_text);
902 q = (q->pq_next = p);
905 for (p = pq.pq_next; p; p = q) {
906 FINDCOMP(cptr, "text");
908 cptr->c_text = p->pq_text;
909 FINDCOMP(cptr, "error");
911 cptr->c_text = p->pq_error;
913 fmt_scan(c1->c_fmt, buffer, sizeof(buffer) - 1, dat);
916 c2->c_text = add(",\n", c2->c_text);
917 if (*(cp = buffer + strlen(buffer) - 1) == '\n')
919 c2->c_text = add(buffer, c2->c_text);
929 c2->c_text = add("\n", c2->c_text);
934 static struct mcomp *
935 add_queue(struct mcomp **head, struct mcomp **tail, char *name,
936 char *text, int flags)
940 if ((c1 = (struct mcomp *) calloc((size_t) 1, sizeof(*c1))) == NULL)
941 adios(NULL, "unable to allocate comp memory");
943 c1->c_flags = flags & ~INIT;
944 if ((c1->c_name = name ? getcpy(name) : NULL))
945 c1->c_flags |= mcomp_flags(c1->c_name);
946 c1->c_text = text ? getcpy(text) : NULL;
949 c1->c_ovtxt = getcpy(global.c_ovtxt);
950 c1->c_offset = global.c_offset;
951 c1->c_ovoff = global. c_ovoff;
953 c1->c_cwidth = global.c_cwidth;
954 c1->c_flags |= global.c_flags & GFLAGS;
959 (*tail)->c_next = c1;
967 free_queue(struct mcomp **head, struct mcomp **tail)
969 struct mcomp *c1, *c2;
971 for (c1 = *head; c1; c1 = c2) {
982 free((char *) c1->c_fmt);
986 *head = *tail = NULL;
991 putcomp(struct mcomp *c1, struct mcomp *c2, int flag)
998 wid = c1->c_width ? c1->c_width : global.c_width;
999 ovoff = (c1->c_ovoff >= 0 ? c1->c_ovoff : global.c_ovoff)
1001 if ((ovtxt = c1->c_ovtxt ? c1->c_ovtxt : global.c_ovtxt) == NULL)
1003 if (wid < ovoff + strlen(ovtxt) + 5)
1004 adios(NULL, "component: %s width(%d) too small for overflow(%d)", c1->c_name, wid, ovoff + strlen(ovtxt) + 5);
1007 if (c1->c_flags & CLEARTEXT) {
1013 if (c1->c_fstr && (c1->c_flags & (ADDRFMT | DATEFMT | FORMAT)))
1014 mcomp_format(c1, c2);
1016 if (c1->c_flags & CENTER) {
1017 count = (c1->c_width ? c1->c_width : global.c_width)
1018 - c1->c_offset - strlen(c2->c_text);
1019 if (!(c1->c_flags & HDROUTPUT) && !(c1->c_flags & NOCOMPONENT))
1020 count -= strlen(c1->c_text ? c1->c_text : c1->c_name)
1022 lm = c1->c_offset + (count / 2);
1028 if (!(c1->c_flags & HDROUTPUT) && !(c1->c_flags & NOCOMPONENT)) {
1029 if (c1->c_flags & UPPERCASE) /* uppercase component also */
1030 for (cp = (c1->c_text ? c1->c_text : c1->c_name); *cp; cp++)
1033 putstr(c1->c_text ? c1->c_text : c1->c_name);
1034 if (flag != BODYCOMP) {
1036 if (!(c1->c_flags & SPLIT))
1037 c1->c_flags |= HDROUTPUT;
1040 if ((count = c1->c_cwidth -
1041 strlen(c1->c_text ? c1->c_text : c1->c_name) - 2) > 0)
1045 c1->c_flags |= HDROUTPUT; /* for BODYCOMP */
1048 if (flag == TWOCOMP && !(c2->c_flags & HDROUTPUT)
1049 && !(c2->c_flags & NOCOMPONENT)) {
1050 if (c1->c_flags & UPPERCASE)
1051 for (cp = c2->c_name; *cp; cp++)
1056 if (!(c1->c_flags & SPLIT))
1057 c2->c_flags |= HDROUTPUT;
1060 if ((count = c1->c_cwidth - strlen(c2->c_name) - 2) > 0)
1064 if (c1->c_flags & UPPERCASE)
1065 for (cp = c2->c_text; *cp; cp++)
1071 if (flag == TWOCOMP)
1072 count = (c1->c_cwidth >= 0) ? c1->c_cwidth :
1073 (int)strlen(c2->c_name) + 2;
1075 count = (c1->c_cwidth >= 0) ? (size_t)c1->c_cwidth :
1077 c1->c_text : c1->c_name) + 2;
1079 count += c1->c_offset;
1081 if ((cp = oneline(c2->c_text, c1->c_flags)))
1085 while ((cp = oneline(c2->c_text, c1->c_flags))) {
1087 if (flag == BODYCOMP && !(c1->c_flags & NOCOMPONENT))
1088 putstr(c1->c_text ? c1->c_text : c1->c_name);
1094 if (flag == BODYCOMP && term == '\n')
1095 c1->c_flags &= ~HDROUTPUT; /* Buffer ended on a newline */
1100 oneline(char *stuff, long flags)
1108 return (onelp = NULL);
1112 if (flags & COMPRESS) {
1113 for (spc = 1, cp = ret; *onelp; onelp++)
1114 if (isspace(*onelp)) {
1115 if (*onelp == '\n' &&
1117 (flags & ADDRFMT))) {
1132 while (*onelp && *onelp != '\n')
1134 if (*onelp == '\n') {
1138 if (flags & LEFTADJUST)
1139 while (*ret == ' ' || *ret == '\t')
1142 if (*onelp == 0 && term == '\n' && (flags & NONEWLINE))
1150 putstr(char *string)
1152 if (!column && lm > 0) {
1188 ** If we are forwarding this message, and the first
1189 ** column contains a dash, then add a dash and a space.
1191 if (column == 0 && forwflg && ch == '-') {
1200 if (column >= wid) {
1204 putstr(ovtxt ? ovtxt : "");
1242 mhladios(char *what, char *fmt, ...)
1247 advertise(what, NULL, fmt, ap);
1258 longjmp(mhlenv, DONE);
1264 static int m_pid = NOTOK;
1265 static int sd = NOTOK;
1272 if (mhl_action && (sd = dup(fileno(stdout))) == NOTOK)
1273 adios("standard output", "unable to dup()");
1275 if (pipe(pd) == NOTOK)
1276 adios("pipe", "unable to");
1278 switch (m_pid = fork()) {
1280 adios("fork", "unable to");
1283 SIGNAL(SIGINT, SIG_DFL);
1284 SIGNAL(SIGQUIT, SIG_DFL);
1287 if (pd[0] != fileno(stdin)) {
1288 dup2(pd[0], fileno(stdin));
1291 execlp(name, mhbasename(name), NULL);
1292 fprintf(stderr, "unable to exec ");
1298 if (pd[1] != fileno(stdout)) {
1299 dup2(pd[1], fileno(stdout));
1314 if (dup2(sd, fileno(stdout)) == NOTOK)
1315 adios("standard output", "unable to dup2()");