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;
175 static unsigned int column;
180 static unsigned int wid;
184 static unsigned char *onelp;
188 static int num_ignores = 0;
189 static char *ignores[MAXARGS];
192 static jmp_buf mhlenv;
194 static char delim3[] =
195 "\n----------------------------------------------------------------------\n\n";
196 static char delim4[] = "\n------------------------------\n\n";
198 static FILE *(*mhl_action) () = (FILE *(*) ()) 0;
202 ** Redefine a couple of functions.
203 ** These are undefined later in the code.
205 #define adios mhladios
211 static void mhl_format(char *, int);
212 static int evalvar(struct mcomp *);
213 static int ptoi(char *, int *);
214 static int ptos(char *, char **);
215 static char *parse(void);
216 static void process(char *, int, int);
217 static void mhlfile(FILE *, char *, int, int);
218 static int mcomp_flags(char *);
219 static char *mcomp_add(long, char *, char *);
220 static void mcomp_format(struct mcomp *, struct mcomp *);
221 static struct mcomp *add_queue(struct mcomp **, struct mcomp **,
222 char *, char *, int);
223 static void free_queue(struct mcomp **, struct mcomp **);
224 static void putcomp(struct mcomp *, struct mcomp *, int);
225 static char *oneline(char *, long);
226 static void putstr(char *);
227 static void putch(char);
228 static void intrser(int);
229 static void mhladios(char *, char *, ...);
230 static void mhldone(int);
232 int sc_width(void); /* from termsbr.c */
236 main(int argc, char **argv)
238 int i, width = 0, vecp = 0;
239 char *cp, *form = NULL;
240 char buf[BUFSIZ], *files[MAXARGS];
241 char **argp, **arguments;
244 setlocale(LC_ALL, "");
247 invo_name = mhbasename(argv[0]);
249 /* read user profile/context */
252 arguments = getarguments(invo_name, argc, argv, 1);
255 if ((cp = getenv("MHLDEBUG")) && *cp)
258 while ((cp = *argp++)) {
260 switch (smatch(++cp, mhlswitches)) {
262 ambigsw(cp, mhlswitches);
265 adios(NULL, "-%s unknown\n", cp);
268 snprintf(buf, sizeof(buf), "%s [switches] [files ...]", invo_name);
269 print_help(buf, mhlswitches, 1);
272 print_version(invo_name);
276 if (!(form = *argp++) || *form == '-')
277 adios(NULL, "missing argument to %s",
282 if (!(cp = *argp++) || *cp == '-')
283 adios(NULL, "missing argument to %s",
285 sleepsw = atoi(cp); /* ZERO ok! */
289 if (!(cp = *argp++) || *cp == '-')
290 adios(NULL, "missing argument to %s",
292 if ((width = atoi(cp)) < 1)
293 adios(NULL, "bad argument %s %s",
298 if (!(digest = *argp++) ||
300 adios(NULL, "missing argument to %s",
304 if (!(cp = *argp++) || *cp == '-')
305 adios(NULL, "missing argument to %s",
307 if ((issue = atoi(cp)) < 1)
308 adios(NULL, "bad argument %s %s",
312 if (!(cp = *argp++) || *cp == '-')
313 adios(NULL, "missing argument to %s",
315 if ((volume = atoi(cp)) < 1)
316 adios(NULL, "bad argument %s %s",
321 forwall++; /* fall */
334 mhl_format(form ? form : mhlformat, width);
337 process(NULL, 1, vecp = 1);
339 for (i = 0; i < vecp; i++)
340 process(files[i], i + 1, vecp);
345 printf("%s", delim4);
347 snprintf(buf, sizeof(buf),
348 "End of %s Digest\n", digest);
350 snprintf(buf, sizeof(buf), "End of %s Digest [Volume %d Issue %d]\n", digest, volume, issue);
353 for (cp = buf + i; i > 1; i--)
359 printf("\n------- End of Forwarded Message%s\n\n",
360 vecp > 1 ? "s" : "");
364 if (ferror(stdout)) {
365 adios("output", "error writing");
373 mhl_format(char *file, int width)
377 char *ap, buffer[BUFSIZ], name[NAMESZ];
381 static dev_t dev = 0;
382 static ino_t ino = 0;
383 static time_t mtime = 0;
386 if (stat(etcpath(file), &st) != NOTOK
387 && mtime == st.st_mtime
392 free_queue(&fmthd, &fmttl);
395 if ((fp = fopen(etcpath(file), "r")) == NULL)
396 adios(file, "unable to open format file");
398 if (fstat(fileno(fp), &st) != NOTOK) {
404 global.c_ovtxt = global.c_fstr = NULL;
408 if ((i = sc_width()) > 5)
410 global.c_cwidth = -1;
414 while (vfgets(fp, &ap) == OK) {
419 if ((cp = strchr(bp, '\n')))
423 c1 = add_queue(&fmthd, &fmttl, NULL, bp + 1,
429 strncpy(name, parse(), sizeof(name));
435 ** Split this list of fields to ignore, and copy
436 ** it to the end of the current "ignores" list.
438 if (!mh_strcasecmp(name, "ignores")) {
442 /* split the fields */
443 tmparray = brkstring(getcpy(++parptr), ",",
446 ** copy pointers to split fields
449 while (tmparray[n] && num_ignores<MAXARGS-1) {
450 ignores[num_ignores++] = tmparray[n++];
452 ignores[num_ignores] = NULL;
457 if (evalvar(&global))
458 adios(NULL, "format file syntax error: %s", bp);
465 c1 = add_queue(&fmthd, &fmttl, name, NULL, INIT);
466 while (*parptr == ':' || *parptr == ',') {
469 adios(NULL, "format file syntax error: %s", bp);
471 if (!c1->c_fstr && global.c_fstr) {
472 if ((c1->c_flags & DATEFMT) &&
473 (global.c_flags & DATEFMT)) {
474 c1->c_fstr = getcpy(global.c_fstr);
475 } else if ((c1->c_flags & ADDRFMT) &&
476 (global.c_flags & ADDRFMT)) {
477 c1->c_fstr = getcpy(global.c_fstr);
483 adios(NULL, "format file syntax error: %s", bp);
489 for (c1 = fmthd; c1; c1 = c1->c_next) {
490 fprintf(stderr, "c1: name=\"%s\" text=\"%s\" ovtxt=\"%s\"\n", c1->c_name, c1->c_text, c1->c_ovtxt);
491 fprintf(stderr, "\tfstr=0x%x fmt=0x%x\n", (unsigned int)(unsigned long) c1->c_fstr, (unsigned int)(unsigned long) c1->c_fmt);
492 fprintf(stderr, "\toffset=%d ovoff=%d width=%d cwidth=%d\n", c1->c_offset, c1->c_ovoff, c1->c_width, c1->c_cwidth);
493 fprintf (stderr, "\tflags=%s\n", snprintb(buffer, sizeof(buffer), (unsigned) c1->c_flags, LBITS));
499 global.c_width = width;
500 if (global.c_width < 5)
501 global.c_width = 10000;
506 evalvar(struct mcomp *c1)
508 char *cp, name[NAMESZ];
513 strncpy(name, parse(), sizeof(name));
515 if (!mh_strcasecmp(name, "component")) {
516 if (ptos(name, &c1->c_text))
518 c1->c_flags &= ~NOCOMPONENT;
522 if (!mh_strcasecmp(name, "overflowtext"))
523 return ptos(name, &c1->c_ovtxt);
525 if (!mh_strcasecmp(name, "formatfield")) {
530 cp = concat("=", cp, NULL);
531 fmtstr = new_fs(cp, NULL);
533 c1->c_fstr = getcpy(fmtstr);
534 c1->c_flags |= FORMAT;
538 if (!mh_strcasecmp(name, "decode")) {
541 fmtstr = new_fs("=%(decode{text})", NULL);
542 c1->c_fstr = getcpy(fmtstr);
543 c1->c_flags |= FORMAT;
547 if (!mh_strcasecmp(name, "offset"))
548 return ptoi(name, &c1->c_offset);
549 if (!mh_strcasecmp(name, "overflowoffset"))
550 return ptoi(name, &c1->c_ovoff);
551 if (!mh_strcasecmp(name, "width"))
552 return ptoi(name, &c1->c_width);
553 if (!mh_strcasecmp(name, "compwidth"))
554 return ptoi(name, &c1->c_cwidth);
556 for (ap = triples; ap->t_name; ap++)
557 if (!mh_strcasecmp(ap->t_name, name)) {
558 c1->c_flags |= ap->t_on;
559 c1->c_flags &= ~ap->t_off;
568 ptoi(char *name, int *i)
572 if (*parptr++ != '=' || !*(cp = parse())) {
573 advise(NULL, "missing argument to variable %s", name);
583 ptos(char *name, char **s)
587 if (*parptr++ != '=') {
588 advise(NULL, "missing argument to variable %s", name);
592 if (*parptr != '"') {
593 for (cp = parptr; *parptr && *parptr != ':' && *parptr != ',';
597 for (cp = ++parptr; *parptr && *parptr != '"'; parptr++)
598 if (*parptr == QUOTE)
605 if ((*parptr = c) == '"')
616 static char result[NAMESZ];
618 for (cp = result; *parptr && (cp - result < NAMESZ); parptr++) {
637 process(char *fname, int ofilen, int ofilec)
642 switch (setjmp(env)) {
645 fp = mhl_action ? (*mhl_action) (fname) :
648 advise(fname, "unable to open");
656 SIGNAL(SIGINT, intrser);
657 mhlfile(fp, fname, ofilen, ofilec);
660 SIGNAL(SIGINT, SIG_IGN);
661 if (mhl_action == NULL && fp != stdin)
665 holder.c_text = NULL;
667 free_queue(&msghd, &msgtl);
668 for (c1 = fmthd; c1; c1 = c1->c_next)
669 c1->c_flags &= ~HDROUTPUT;
676 mhlfile(FILE *fp, char *mname, int ofilen, int ofilec)
679 struct mcomp *c1, *c2, *c3;
680 char **ip, name[NAMESZ], buf[BUFSIZ];
684 printf("%s", ofilen == 1 ? delim3 : delim4);
688 printf(" Forwarded Message%s",
689 ofilec > 1 ? "s" : "");
691 printf(" Message %d", ofilen);
694 } else if (ofilec > 1) {
698 printf(">>> %s\n\n", mname);
701 for (state = FLD;;) {
702 switch (state = m_getfld(state, name, buf, sizeof(buf), fp)) {
705 for (ip = ignores; *ip; ip++)
706 if (!mh_strcasecmp(name, *ip)) {
707 while (state == FLDPLUS)
708 state = m_getfld(state, name, buf, sizeof(buf), fp);
714 for (c2 = fmthd; c2; c2 = c2->c_next)
715 if (!mh_strcasecmp(c2->c_name, name))
718 if (!((c3 = c2 ? c2 : &global)->c_flags & SPLIT))
719 for (c1 = msghd; c1; c1 = c1->c_next)
720 if (!mh_strcasecmp(c1->c_name,
722 c1->c_text = mcomp_add(c1->c_flags, buf, c1->c_text);
726 c1 = add_queue(&msghd, &msgtl, name, buf, 0);
727 while (state == FLDPLUS) {
728 state = m_getfld(state, name, buf,
730 c1->c_text = add(buf, c1->c_text);
733 c1->c_flags |= EXTRA;
739 for (c1 = fmthd; c1; c1 = c1->c_next) {
740 if (c1->c_flags & CLEARTEXT) {
741 putcomp(c1, c1, ONECOMP);
744 if (!mh_strcasecmp(c1->c_name, "messagename")) {
745 holder.c_text = concat("(Message ",
747 putcomp(c1, &holder, ONECOMP);
749 holder.c_text = NULL;
752 if (!mh_strcasecmp(c1->c_name, "extras")) {
753 for (c2 = msghd; c2; c2 = c2->c_next)
754 if (c2->c_flags & EXTRA)
755 putcomp(c1, c2, TWOCOMP);
758 if (dobody && !mh_strcasecmp(c1->c_name, "body")) {
759 holder.c_text = mh_xmalloc(sizeof(buf));
760 strncpy(holder.c_text, buf, sizeof(buf));
761 while (state == BODY) {
762 putcomp(c1, &holder, BODYCOMP);
763 state = m_getfld(state, name, holder.c_text, sizeof(buf), fp);
766 holder.c_text = NULL;
769 for (c2 = msghd; c2; c2 = c2->c_next)
770 if (!mh_strcasecmp(c2->c_name,
772 putcomp(c1, c2, ONECOMP);
773 if (!(c1->c_flags & SPLIT))
781 advise(NULL, "format error in message %s", mname);
786 adios(NULL, "getfld() returned %d", state);
793 mcomp_flags(char *name)
797 for (ap = pairs; ap->p_name; ap++)
798 if (!mh_strcasecmp(ap->p_name, name))
799 return (ap->p_flags);
806 mcomp_add(long flags, char *s1, char *s2)
810 if (!(flags & ADDRFMT))
813 if (s2 && *(dp = s2 + strlen(s2) - 1) == '\n')
816 return add(s1, add(",\n", s2));
823 struct pqpair *pq_next;
828 mcomp_format(struct mcomp *c1, struct mcomp *c2)
832 char buffer[BUFSIZ], error[BUFSIZ];
834 struct pqpair *p, *q;
843 dat[3] = sizeof(buffer) - 1;
845 fmt_compile(c1->c_fstr, &c1->c_fmt);
847 if (!(c1->c_flags & ADDRFMT)) {
848 FINDCOMP(cptr, "text");
851 if ((cp = strrchr(ap, '\n'))) /* drop ending newline */
855 fmt_scan(c1->c_fmt, buffer, sizeof(buffer) - 1, dat);
856 /* Don't need to append a newline, dctime() already did */
857 c2->c_text = getcpy(buffer);
863 (q = &pq)->pq_next = NULL;
864 while ((cp = getname(ap))) {
865 if ((p = (struct pqpair *)
866 calloc((size_t) 1, sizeof(*p))) == NULL)
867 adios(NULL, "unable to allocate pqpair memory");
869 if ((mp = getm(cp, NULL, 0, AD_NAME, error)) == NULL) {
870 p->pq_text = getcpy(cp);
871 p->pq_error = getcpy(error);
873 p->pq_text = getcpy(mp->m_text);
876 q = (q->pq_next = p);
879 for (p = pq.pq_next; p; p = q) {
880 FINDCOMP(cptr, "text");
882 cptr->c_text = p->pq_text;
883 FINDCOMP(cptr, "error");
885 cptr->c_text = p->pq_error;
887 fmt_scan(c1->c_fmt, buffer, sizeof(buffer) - 1, dat);
890 c2->c_text = add(",\n", c2->c_text);
891 if (*(cp = buffer + strlen(buffer) - 1) == '\n')
893 c2->c_text = add(buffer, c2->c_text);
903 c2->c_text = add("\n", c2->c_text);
908 static struct mcomp *
909 add_queue(struct mcomp **head, struct mcomp **tail, char *name,
910 char *text, int flags)
914 if ((c1 = (struct mcomp *) calloc((size_t) 1, sizeof(*c1))) == NULL)
915 adios(NULL, "unable to allocate comp memory");
917 c1->c_flags = flags & ~INIT;
918 if ((c1->c_name = name ? getcpy(name) : NULL))
919 c1->c_flags |= mcomp_flags(c1->c_name);
920 c1->c_text = text ? getcpy(text) : NULL;
923 c1->c_ovtxt = getcpy(global.c_ovtxt);
924 c1->c_offset = global.c_offset;
925 c1->c_ovoff = global. c_ovoff;
927 c1->c_cwidth = global.c_cwidth;
928 c1->c_flags |= global.c_flags & GFLAGS;
933 (*tail)->c_next = c1;
941 free_queue(struct mcomp **head, struct mcomp **tail)
943 struct mcomp *c1, *c2;
945 for (c1 = *head; c1; c1 = c2) {
956 free((char *) c1->c_fmt);
960 *head = *tail = NULL;
965 putcomp(struct mcomp *c1, struct mcomp *c2, int flag)
972 wid = c1->c_width ? c1->c_width : global.c_width;
973 ovoff = (c1->c_ovoff >= 0 ? c1->c_ovoff : global.c_ovoff)
975 if ((ovtxt = c1->c_ovtxt ? c1->c_ovtxt : global.c_ovtxt) == NULL)
977 if (wid < ovoff + strlen(ovtxt) + 5)
978 adios(NULL, "component: %s width(%d) too small for overflow(%d)", c1->c_name, wid, ovoff + strlen(ovtxt) + 5);
981 if (c1->c_flags & CLEARTEXT) {
987 if (c1->c_fstr && (c1->c_flags & (ADDRFMT | DATEFMT | FORMAT)))
988 mcomp_format(c1, c2);
990 if (c1->c_flags & CENTER) {
991 count = (c1->c_width ? c1->c_width : global.c_width)
992 - c1->c_offset - strlen(c2->c_text);
993 if (!(c1->c_flags & HDROUTPUT) && !(c1->c_flags & NOCOMPONENT))
994 count -= strlen(c1->c_text ? c1->c_text : c1->c_name)
996 lm = c1->c_offset + (count / 2);
1002 if (!(c1->c_flags & HDROUTPUT) && !(c1->c_flags & NOCOMPONENT)) {
1003 if (c1->c_flags & UPPERCASE) /* uppercase component also */
1004 for (cp = (c1->c_text ? c1->c_text : c1->c_name); *cp; cp++)
1007 putstr(c1->c_text ? c1->c_text : c1->c_name);
1008 if (flag != BODYCOMP) {
1010 if (!(c1->c_flags & SPLIT))
1011 c1->c_flags |= HDROUTPUT;
1014 if ((count = c1->c_cwidth -
1015 strlen(c1->c_text ? c1->c_text : c1->c_name) - 2) > 0)
1019 c1->c_flags |= HDROUTPUT; /* for BODYCOMP */
1022 if (flag == TWOCOMP && !(c2->c_flags & HDROUTPUT)
1023 && !(c2->c_flags & NOCOMPONENT)) {
1024 if (c1->c_flags & UPPERCASE)
1025 for (cp = c2->c_name; *cp; cp++)
1030 if (!(c1->c_flags & SPLIT))
1031 c2->c_flags |= HDROUTPUT;
1034 if ((count = c1->c_cwidth - strlen(c2->c_name) - 2) > 0)
1038 if (c1->c_flags & UPPERCASE)
1039 for (cp = c2->c_text; *cp; cp++)
1045 if (flag == TWOCOMP)
1046 count = (c1->c_cwidth >= 0) ? c1->c_cwidth :
1047 (int)strlen(c2->c_name) + 2;
1049 count = (c1->c_cwidth >= 0) ? (size_t)c1->c_cwidth :
1051 c1->c_text : c1->c_name) + 2;
1053 count += c1->c_offset;
1055 if ((cp = oneline(c2->c_text, c1->c_flags)))
1059 while ((cp = oneline(c2->c_text, c1->c_flags))) {
1061 if (flag == BODYCOMP && !(c1->c_flags & NOCOMPONENT))
1062 putstr(c1->c_text ? c1->c_text : c1->c_name);
1068 if (flag == BODYCOMP && term == '\n')
1069 c1->c_flags &= ~HDROUTPUT; /* Buffer ended on a newline */
1074 oneline(char *stuff, long flags)
1082 return (onelp = NULL);
1086 if (flags & COMPRESS) {
1087 for (spc = 1, cp = ret; *onelp; onelp++)
1088 if (isspace(*onelp)) {
1089 if (*onelp == '\n' &&
1091 (flags & ADDRFMT))) {
1106 while (*onelp && *onelp != '\n')
1108 if (*onelp == '\n') {
1112 if (flags & LEFTADJUST)
1113 while (*ret == ' ' || *ret == '\t')
1116 if (*onelp == 0 && term == '\n' && (flags & NONEWLINE))
1124 putstr(char *string)
1126 if (!column && lm > 0) {
1162 ** If we are forwarding this message, and the first
1163 ** column contains a dash, then add a dash and a space.
1165 if (column == 0 && forwflg && ch == '-') {
1174 if (column >= wid) {
1178 putstr(ovtxt ? ovtxt : "");
1200 mhladios(char *what, char *fmt, ...)
1205 advertise(what, NULL, fmt, ap);
1216 longjmp(mhlenv, DONE);