-
-/*
- * mhlsbr.c -- main routines for nmh message lister
+/* mhlsbr.c -- main routines for nmh message lister
*
* This code is Copyright (c) 2002, by the authors of nmh. See the
* COPYRIGHT file in the root directory of the nmh distribution for
#include <h/fmt_scan.h>
#include <h/tws.h>
#include <h/utils.h>
+#include "../sbr/m_popen.h"
#include <setjmp.h>
#include <sys/types.h>
* set, then addresses get split wrong (not at the spaces between commas).
* To fix this correctly, putstr() should know about "atomic" strings that
* must NOT be broken across lines. That's too difficult for right now
- * (it turns out that there are a number of degernate cases), so in
+ * (it turns out that there are a number of degenerate cases), so in
* oneline(), instead of
*
* (*onelp == '\n' && !onelp[1])
#define NONEWLINE 0x020000 /* don't write trailing newline */
#define NOWRAP 0x040000 /* Don't wrap lines ever */
#define FMTFILTER 0x080000 /* Filter through format filter */
-#define LBITS "\020\01NOCOMPONENT\02UPPERCASE\03CENTER\04CLEARTEXT\05EXTRA\06HDROUTPUT\07CLEARSCR\010LEFTADJUST\011COMPRESS\012ADDRFMT\013BELL\014DATEFMT\015FORMAT\016INIT\017RTRIM\021SPLIT\022NONEWLINE\023NOWRAP\024FMTFILTER"
+#define INVISIBLE 0x100000 /* count byte in display columns? */
+#define FORCE7BIT 0x200000 /* don't display 8-bit bytes */
+#define LBITS "\020\01NOCOMPONENT\02UPPERCASE\03CENTER\04CLEARTEXT\05EXTRA\06HDROUTPUT\07CLEARSCR\010LEFTADJUST\011COMPRESS\012ADDRFMT\013BELL\014DATEFMT\015FORMAT\016INIT\017RTRIM\021SPLIT\022NONEWLINE\023NOWRAP\024FMTFILTER\025INVISIBLE\026FORCE7BIT"
#define GFLAGS (NOCOMPONENT | UPPERCASE | CENTER | LEFTADJUST | COMPRESS | SPLIT | NOWRAP)
/*
int c_width; /* width of field */
int c_cwidth; /* width of component */
int c_length; /* length in lines */
- long c_flags;
+ unsigned long c_flags;
struct mcomp *c_next;
};
struct pair {
char *p_name;
- long p_flags;
+ unsigned long p_flags;
};
static struct pair pairs[] = {
struct triple {
char *t_name;
- long t_on;
- long t_off;
+ unsigned long t_on;
+ unsigned long t_off;
};
static struct triple triples[] = {
"\n----------------------------------------------------------------------\n\n";
static char delim4[] = "\n------------------------------\n\n";
-static FILE *(*mhl_action) () = (FILE *(*) ()) 0;
-
-/*
- * Redefine a couple of functions.
- * These are undefined later in the code.
- */
-#define adios mhladios
-#define done mhldone
+static FILE *(*mhl_action)(char *);
/*
* prototypes
static void process (char *, char *, int, int);
static void mhlfile (FILE *, char *, int, int);
static int mcomp_flags (char *);
-static char *mcomp_add (long, char *, char *);
+static char *mcomp_add (unsigned long, char *, char *);
static void mcomp_format (struct mcomp *, struct mcomp *);
static struct mcomp *add_queue (struct mcomp **, struct mcomp **, char *, char *, int);
static void free_queue (struct mcomp **, struct mcomp **);
static void putcomp (struct mcomp *, struct mcomp *, int);
-static char *oneline (char *, long);
-static void putstr (char *, long);
-static void putch (char, long);
+static char *oneline (char *, unsigned long);
+static void putstr (char *, unsigned long);
+static void putch (char, unsigned long);
static void intrser (int);
static void pipeser (int);
static void quitser (int);
switch (smatch (++cp, mhlswitches)) {
case AMBIGSW:
ambigsw (cp, mhlswitches);
- done (1);
+ mhldone (1);
+ /* FALLTHRU */
case UNKWNSW:
- adios (NULL, "-%s unknown\n", cp);
+ mhladios (NULL, "-%s unknown\n", cp);
+ /* FALLTHRU */
case HELPSW:
snprintf (buf, sizeof(buf), "%s [switches] [files ...]", invo_name);
print_help (buf, mhlswitches, 1);
- done (0);
+ mhldone (0);
+ /* FALLTHRU */
case VERSIONSW:
print_version(invo_name);
- done (0);
+ mhldone (0);
+ /* FALLTHRU */
case BELLSW:
bellflg = 1;
case FOLDSW:
if (!(folder = *argp++) || *folder == '-')
- adios (NULL, "missing argument to %s", argp[-2]);
+ mhladios (NULL, "missing argument to %s", argp[-2]);
continue;
case FORMSW:
if (!(form = *argp++) || *form == '-')
- adios (NULL, "missing argument to %s", argp[-2]);
+ mhladios (NULL, "missing argument to %s", argp[-2]);
continue;
case SLEEPSW:
if (!(cp = *argp++) || *cp == '-')
- adios (NULL, "missing argument to %s", argp[-2]);
+ mhladios (NULL, "missing argument to %s", argp[-2]);
else
sleepsw = atoi (cp);/* ZERO ok! */
continue;
case PROGSW:
if (!(moreproc = *argp++) || *moreproc == '-')
- adios (NULL, "missing argument to %s", argp[-2]);
+ mhladios (NULL, "missing argument to %s", argp[-2]);
continue;
case NPROGSW:
nomore++;
case FMTPROCSW:
if (!(formatproc = *argp++) || *formatproc == '-')
- adios (NULL, "missing argument to %s", argp[-2]);
+ mhladios (NULL, "missing argument to %s", argp[-2]);
continue;
case NFMTPROCSW:
formatproc = NULL;
case LENSW:
if (!(cp = *argp++) || *cp == '-')
- adios (NULL, "missing argument to %s", argp[-2]);
+ mhladios (NULL, "missing argument to %s", argp[-2]);
else if ((length = atoi (cp)) < 1)
- adios (NULL, "bad argument %s %s", argp[-2], cp);
+ mhladios (NULL, "bad argument %s %s", argp[-2], cp);
continue;
case WIDTHSW:
if (!(cp = *argp++) || *cp == '-')
- adios (NULL, "missing argument to %s", argp[-2]);
+ mhladios (NULL, "missing argument to %s", argp[-2]);
else if ((width = atoi (cp)) < 1)
- adios (NULL, "bad argument %s %s", argp[-2], cp);
+ mhladios (NULL, "bad argument %s %s", argp[-2], cp);
continue;
case DGSTSW:
if (!(digest = *argp++) || *digest == '-')
- adios (NULL, "missing argument to %s", argp[-2]);
+ mhladios (NULL, "missing argument to %s", argp[-2]);
continue;
case ISSUESW:
if (!(cp = *argp++) || *cp == '-')
- adios (NULL, "missing argument to %s", argp[-2]);
+ mhladios (NULL, "missing argument to %s", argp[-2]);
else if ((issue = atoi (cp)) < 1)
- adios (NULL, "bad argument %s %s", argp[-2], cp);
+ mhladios (NULL, "bad argument %s %s", argp[-2], cp);
continue;
case VOLUMSW:
if (!(cp = *argp++) || *cp == '-')
- adios (NULL, "missing argument to %s", argp[-2]);
+ mhladios (NULL, "missing argument to %s", argp[-2]);
else if ((volume = atoi (cp)) < 1)
- adios (NULL, "bad argument %s %s", argp[-2], cp);
+ mhladios (NULL, "bad argument %s %s", argp[-2], cp);
continue;
case FORW2SW:
- forwall++; /* fall */
+ forwall++;
+ /* FALLTHRU */
case FORW1SW:
forwflg++;
clearflg = -1;/* XXX */
continue;
case BITSTUFFSW:
- dashstuff = 1; /* trinary logic */
+ dashstuff = 1; /* ternary logic */
continue;
case NBITSTUFFSW:
- dashstuff = -1; /* trinary logic */
+ dashstuff = -1; /* ternary logic */
continue;
case NBODYSW:
if (forwall) {
if (digest) {
- printf ("%s", delim4);
+ fputs(delim4, stdout);
if (volume == 0) {
snprintf (buf, sizeof(buf), "End of %s Digest\n", digest);
} else {
*cp++ = '*';
*cp++ = '\n';
*cp = 0;
- printf ("%s", buf);
+ fputs(buf, stdout);
}
else
printf ("\n------- End of Forwarded Message%s\n",
- vecp > 1 ? "s" : "");
+ PLURALS(vecp));
}
fflush(stdout);
if(ferror(stdout)){
- adios("output", "error writing");
+ mhladios("output", "error writing");
}
if (clearflg > 0 && ontty == NOTTY)
}
if ((fp = fopen (etcpath (file), "r")) == NULL)
- adios (file, "unable to open format file");
+ mhladios (file, "unable to open format file");
if (fstat (fileno (fp), &st) != NOTOK) {
mtime = st.st_mtime;
if (*bp == ';')
continue;
- TrimSuffixC(bp, '\n');
+ trim_suffix_c(bp, '\n');
if (*bp == ':') {
(void) add_queue (&fmthd, &fmttl, NULL, bp + 1, CLEARTEXT);
parptr = bp;
while (*parptr) {
if (evalvar (&global))
- adios (NULL, "format file syntax error: %s", bp);
+ mhladios (NULL, "format file syntax error: %s", bp);
if (*parptr)
parptr++;
}
while (*parptr == ':' || *parptr == ',') {
parptr++;
if (evalvar (c1))
- adios (NULL, "format file syntax error: %s", bp);
+ mhladios (NULL, "format file syntax error: %s", bp);
}
if (!c1->c_nfs && global.c_nfs) {
if (c1->c_flags & DATEFMT) {
continue;
default:
- adios (NULL, "format file syntax error: %s", bp);
+ mhladios (NULL, "format file syntax error: %s", bp);
}
}
fclose (fp);
return 1;
if (! c1->c_name || strcasecmp (c1->c_name, "body")) {
- advise (NULL, "format filters are currently only supported on "
+ inform("format filters are currently only supported on "
"the \"body\" component");
return 1;
}
char *cp;
if (*parptr++ != '=' || !*(cp = parse ())) {
- advise (NULL, "missing argument to variable %s", name);
+ inform("missing argument to variable %s", name);
return 1;
}
char c, *cp;
if (*parptr++ != '=') {
- advise (NULL, "missing argument to variable %s", name);
+ inform("missing argument to variable %s", name);
return 1;
}
for (cp = result; *parptr && (cp - result < NAMESZ); parptr++) {
c = *parptr;
- if (isalnum (c)
- || c == '.'
- || c == '-'
- || c == '_'
- || c =='['
- || c == ']')
- *cp++ = c;
- else
+ if (!isalnum (c)
+ && c != '.'
+ && c != '-'
+ && c != '_'
+ && c !='['
+ && c != ']')
break;
+ *cp++ = c;
}
*cp = '\0';
cp = folder ? concat (folder, ":", fname2, NULL) : mh_xstrdup(fname2);
if (ontty != PITTY)
SIGNAL (SIGINT, intrser);
- mhlfile (fp, cp, ofilen, ofilec); /* FALL THROUGH! */
+ mhlfile (fp, cp, ofilen, ofilec);
free (cp);
for (ap = arglist_head; ap; ap = ap->a_next) {
}
if (arglist_head)
- fmt_free(NULL, 1);
+ fmt_free(NULL, 1);
+ /* FALLTHRU */
default:
if (ontty != PITTY)
SIGNAL (SIGINT, SIG_IGN);
if (mhl_action == NULL && fp != stdin && fp != NULL)
fclose (fp);
- if (holder.c_text) {
- free (holder.c_text);
- holder.c_text = NULL;
- }
+ mh_xfree(holder.c_text);
+ holder.c_text = NULL;
free_queue (&msghd, &msgtl);
for (c1 = fmthd; c1; c1 = c1->c_next)
c1->c_flags &= ~HDROUTPUT;
{
int state, bucket;
struct mcomp *c1, *c2, *c3;
- char **ip, name[NAMESZ], buf[BUFSIZ];
+ char **ip, name[NAMESZ], buf[NMH_BUFSIZ];
m_getfld_state_t gstate = 0;
compile_filterargs();
if (forwall) {
if (digest)
- printf ("%s", ofilen == 1 ? delim3 : delim4);
+ fputs(ofilen == 1 ? delim3 : delim4, stdout);
else {
printf ("\n-------");
if (ofilen == 1)
- printf (" Forwarded Message%s", ofilec > 1 ? "s" : "");
+ printf (" Forwarded Message%s", PLURALS(ofilec));
else
printf (" Message %d", ofilen);
printf ("\n\n");
continue;
for (c2 = fmthd; c2; c2 = c2->c_next)
- if (!strcasecmp (c2->c_name ? c2->c_name : "", name))
+ if (!strcasecmp (FENDNULL(c2->c_name), name))
break;
c1 = NULL;
if (!((c3 = c2 ? c2 : &global)->c_flags & SPLIT))
for (c1 = msghd; c1; c1 = c1->c_next)
- if (!strcasecmp (c1->c_name ? c1->c_name : "",
- c3->c_name ? c3->c_name : "")) {
+ if (!strcasecmp (FENDNULL(c1->c_name),
+ FENDNULL(c3->c_name))) {
c1->c_text =
mcomp_add (c1->c_flags, buf, c1->c_text);
break;
continue;
}
for (c2 = msghd; c2; c2 = c2->c_next)
- if (!strcasecmp (c2->c_name ? c2->c_name : "",
- c1->c_name ? c1->c_name : "")) {
+ if (!strcasecmp (FENDNULL(c2->c_name),
+ FENDNULL(c1->c_name))) {
putcomp (c1, c2, ONECOMP);
if (!(c1->c_flags & SPLIT))
break;
case LENERR:
case FMTERR:
- advise (NULL, "format error in message %s", mname);
+ inform("format error in message %s", mname);
exitstat++;
m_getfld_state_destroy (&gstate);
return;
default:
- adios (NULL, "getfld() returned %d", state);
+ mhladios (NULL, "getfld() returned %d", state);
}
}
}
static char *
-mcomp_add (long flags, char *s1, char *s2)
+mcomp_add (unsigned long flags, char *s1, char *s2)
{
char *dp;
}
charstring_free (scanl);
- if (p->pq_text)
- free (p->pq_text);
- if (p->pq_error)
- free (p->pq_error);
+ mh_xfree(p->pq_text);
+ mh_xfree(p->pq_error);
q = p->pq_next;
- free ((char *) p);
+ free(p);
}
c2->c_text = add ("\n", c2->c_text);
for (c1 = *head; c1; c1 = c2) {
c2 = c1->c_next;
- if (c1->c_name)
- free (c1->c_name);
- if (c1->c_text)
- free (c1->c_text);
- if (c1->c_ovtxt)
- free (c1->c_ovtxt);
- if (c1->c_nfs)
- free (c1->c_nfs);
+ mh_xfree(c1->c_name);
+ mh_xfree(c1->c_text);
+ mh_xfree(c1->c_ovtxt);
+ mh_xfree(c1->c_nfs);
if (c1->c_fmt)
fmt_free (c1->c_fmt, 0);
- free ((char *) c1);
+ free(c1);
}
*head = *tail = NULL;
static void
putcomp (struct mcomp *c1, struct mcomp *c2, int flag)
{
+ char *text; /* c1's text, or the name as a fallback. */
+ char *trimmed_prefix;
int count, cchdr;
char *cp;
- /*
- * Create a copy of c1->c_text with trailing whitespace
- * trimmed, for use with blank lines.
- */
- char *trimmed_prefix =
- rtrim (add (c1->c_text ? c1->c_text : c1->c_name, NULL));
+ const int utf8 = strcasecmp(get_charset(), "UTF-8") == 0;
+
+ if (! utf8 && flag != BODYCOMP) {
+ /* Don't print 8-bit bytes in header field values if not in a
+ UTF-8 locale, as required by RFC 6532. */
+ c1->c_flags |= FORCE7BIT;
+ }
+
+ text = c1->c_text ? c1->c_text : c1->c_name;
+ /* Create a copy with trailing whitespace trimmed, for use with
+ * blank lines. */
+ trimmed_prefix = rtrim(add(text, NULL));
cchdr = 0;
lm = 0;
if ((ovtxt = c1->c_ovtxt ? c1->c_ovtxt : global.c_ovtxt) == NULL)
ovtxt = "";
if (wid < ovoff + strlen (ovtxt) + 5)
- adios (NULL, "component: %s width(%d) too small for overflow(%d)",
+ mhladios (NULL, "component: %s width(%d) too small for overflow(%d)",
c1->c_name, wid, ovoff + strlen (ovtxt) + 5);
onelp = NULL;
count = (c1->c_width ? c1->c_width : global.c_width)
- c1->c_offset - strlen (c2->c_text);
if (!(c1->c_flags & HDROUTPUT) && !(c1->c_flags & NOCOMPONENT))
- count -= strlen (c1->c_text ? c1->c_text : c1->c_name) + 2;
+ count -= strlen(text) + 2;
lm = c1->c_offset + (count / 2);
} else {
if (c1->c_offset)
if (!(c1->c_flags & HDROUTPUT) && !(c1->c_flags & NOCOMPONENT)) {
if (c1->c_flags & UPPERCASE) /* uppercase component also */
- for (cp = (c1->c_text ? c1->c_text : c1->c_name); *cp; cp++)
- if (islower ((unsigned char) *cp))
- *cp = toupper ((unsigned char) *cp);
- putstr (c1->c_text ? c1->c_text : c1->c_name, c1->c_flags);
+ to_upper(text);
+ putstr(text, c1->c_flags);
if (flag != BODYCOMP) {
putstr (": ", c1->c_flags);
if (!(c1->c_flags & SPLIT))
c1->c_flags |= HDROUTPUT;
cchdr++;
- if ((count = c1->c_cwidth -
- strlen (c1->c_text ? c1->c_text : c1->c_name) - 2) > 0)
+ if ((count = c1->c_cwidth - strlen(text) - 2) > 0)
while (count--)
putstr (" ", c1->c_flags);
}
&& !(c2->c_flags & HDROUTPUT)
&& !(c2->c_flags & NOCOMPONENT)) {
if (c1->c_flags & UPPERCASE)
- for (cp = c2->c_name; *cp; cp++)
- if (islower ((unsigned char) *cp))
- *cp = toupper ((unsigned char) *cp);
+ to_upper(c2->c_name);
putstr (c2->c_name, c1->c_flags);
putstr (": ", c1->c_flags);
if (!(c1->c_flags & SPLIT))
putstr (" ", c1->c_flags);
}
if (c1->c_flags & UPPERCASE)
- for (cp = c2->c_text; *cp; cp++)
- if (islower ((unsigned char) *cp))
- *cp = toupper ((unsigned char) *cp);
+ to_upper(c2->c_text);
count = 0;
if (cchdr) {
: (int) strlen (c2->c_name) + 2;
else
count = (c1->c_cwidth >= 0) ? (size_t) c1->c_cwidth
- : strlen (c1->c_text ? c1->c_text : c1->c_name) + 2;
+ : strlen(text) + 2;
}
count += c1->c_offset;
/* Output component, trimming trailing whitespace if there
is no text on the line. */
if (*cp) {
- putstr (c1->c_text ? c1->c_text : c1->c_name, c1->c_flags);
+ putstr(text, c1->c_flags);
} else {
putstr (trimmed_prefix, c1->c_flags);
}
static char *
-oneline (char *stuff, long flags)
+oneline (char *stuff, unsigned long flags)
{
int spc;
char *cp, *ret;
*onelp++ = 0;
break;
}
- else
- if (!spc) {
- *cp++ = ' ';
- spc++;
- }
+ if (!spc) {
+ *cp++ = ' ';
+ spc++;
+ }
}
else {
*cp++ = *onelp;
static void
-putstr (char *string, long flags)
+putstr (char *string, unsigned long flags)
{
+ /* To not count, for the purpose of counting columns, all of
+ the bytes of a multibyte character. */
+ int char_len;
+
if (!column && lm > 0) {
while (lm > 0)
if (lm >= 8) {
}
}
lm = 0;
- while (*string)
- putch (*string++, flags);
+
+#ifdef MULTIBYTE_SUPPORT
+ if (mbtowc (NULL, NULL, 0)) {} /* reset shift state */
+ char_len = 0;
+#else
+ NMH_UNUSED (char_len);
+#endif
+
+ while (*string) {
+ flags &= ~INVISIBLE;
+#ifdef MULTIBYTE_SUPPORT
+ /* mbtowc should never return 0, because *string is non-NULL. */
+ if (char_len <= 0) {
+ /* Find number of bytes in next character. */
+ if ((char_len =
+ mbtowc (NULL, string, (size_t) MB_CUR_MAX)) == -1) {
+ char_len = 1;
+ }
+ } else {
+ /* Multibyte character, after the first byte. */
+ flags |= INVISIBLE;
+ }
+
+ --char_len;
+#endif
+ putch (*string++, flags);
+ }
}
static void
-putch (char ch, long flags)
+putch (char ch, unsigned long flags)
{
char buf[BUFSIZ];
putchar ('-');
putchar (' ');
}
- if (ch >= ' ')
- column++;
+ /*
+ * Increment the character count, unless
+ * 1) In UTF-8 locale, this is other than the last byte of
+ a multibyte character, or
+ * 2) In C locale, will print a non-printable character.
+ */
+ if ((flags & FORCE7BIT) == 0) {
+ /* UTF-8 locale */
+ if ((flags & INVISIBLE) == 0) {
+ /* If multibyte character, its first byte only. */
+ ++column;
+ }
+ } else {
+ /* If not an ASCII character, the replace character will be
+ displayed. Count it. */
+ if (! isascii((unsigned char) ch) || isprint((unsigned char) ch)) {
+ ++column;
+ }
+ }
break;
}
putch ('\n', flags);
if (ovoff > 0)
lm = ovoff;
- putstr (ovtxt ? ovtxt : "", flags);
+ putstr (FENDNULL(ovtxt), flags);
putch (ch, flags);
return;
}
- putchar (ch);
+ if (flags & FORCE7BIT && ! isascii((unsigned char) ch)) {
+ putchar ('?');
+ } else {
+ putchar (ch);
+ }
}
{
NMH_UNUSED (i);
- done (NOTOK);
+ mhldone (NOTOK);
}
putchar ('\n');
fflush (stdout);
- done (NOTOK);
+ mhldone (NOTOK);
}
-#undef adios
-#undef done
-
static void
mhladios (char *what, char *fmt, ...)
{