Defined show(mime)proc locally and removed their profile entries.
[mmh] / uip / show.c
index eda19ca..4abc3d7 100644 (file)
@@ -1,10 +1,10 @@
 /*
- * show.c -- show/list 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.
- */
+** show.c -- show/list 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>
 #include <h/mime.h>
@@ -21,51 +21,38 @@ static struct swit switches[] = {
        { "noheader", 0 },
 #define FORMSW  4
        { "form formfile", 0 },
-#define PROGSW  5
-       { "moreproc program", 0 },
-#define NPROGSW  6
-       { "nomoreproc", 0 },
-#define LENSW  7
-       { "length lines", 0 },
-#define WIDTHSW  8
-       { "width columns", 0 },
-#define SHOWSW  9
+#define SHOWSW  5
        { "showproc program", 0 },
-#define SHOWMIMESW  10
+#define SHOWMIMESW  6
        { "showmimeproc program", 0 },
-#define NSHOWSW  11
-       { "noshowproc", 0 },
-#define DRFTSW  12
-       { "draft", 0 },
-#define FILESW  13
-       { "file file", -4 },  /* interface from showfile */
-#define VERSIONSW  14
+#define FILESW  7
+       { "file file", -4 },  /* interface from whatnow (listproc) */
+#define VERSIONSW  8
        { "version", 0 },
-#define HELPSW  15
+#define HELPSW  9
        { "help", 0 },
        { NULL, 0 }
 };
 
 /*
- * static prototypes
- */
+** static prototypes
+*/
 static int is_nontext(char *);
 
-/* prototype from mhlsbr.c */
-int mhl (int, char **);
-
 #define SHOW  0
 #define NEXT  1
 #define PREV  2
 
+char *showproc = "mhl";
+char *showmimeproc = "mhshow";
 
 int
-main (int argc, char **argv)
+main(int argc, char **argv)
 {
-       int draftsw = 0, headersw = 1, msgp = 0;
-       int nshow = 0, checkmime = 1, mime;
-       int vecp = 1, procp = 1, isdf = 0, mode = SHOW, msgnum;
-       char *cp, *maildir, *file = NULL, *folder = NULL, *proc;
+       int headersw = 1, msgp = 0;
+       int checkmime = 1, mime;
+       int vecp = 1, procp = 1, mode = SHOW, msgnum;
+       char *cp, *file = NULL, *folder = NULL, *proc;
        char buf[BUFSIZ], **argp, **arguments;
        char *msgs[MAXARGS], *vec[MAXARGS];
        struct msgs *mp = NULL;
@@ -73,134 +60,107 @@ main (int argc, char **argv)
 #ifdef LOCALE
        setlocale(LC_ALL, "");
 #endif
-       invo_name = r1bindex (argv[0], '/');
+       invo_name = mhbasename(argv[0]);
 
        /* read user profile/context */
        context_read();
 
-       if (!mh_strcasecmp (invo_name, "next")) {
+       if (!mh_strcasecmp(invo_name, "next")) {
                mode = NEXT;
-       } else if (!mh_strcasecmp (invo_name, "prev")) {
+       } else if (!mh_strcasecmp(invo_name, "prev")) {
                mode = PREV;
        }
-       arguments = getarguments (invo_name, argc, argv, 1);
+       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:
-                               case NPROGSW:
-                                       vec[vecp++] = --cp;
-                                       continue;
-
-                               case HELPSW:
-                                       snprintf (buf, sizeof(buf),
-                                               "%s [+folder] %s[switches] [switches for showproc]",
-                                               invo_name, mode == SHOW ? "[msgs] ": "");
-                                       print_help (buf, switches, 1);
-                                       done (1);
-                               case VERSIONSW:
-                                       print_version(invo_name);
-                                       done (1);
-
-                               case DRFTSW:
-                                       if (file)
-                                               adios (NULL, "only one file at a time!");
-                                       draftsw++;
-                                       if (mode == SHOW)
-                                               continue;
+                       switch (smatch(++cp, switches)) {
+                       case AMBIGSW:
+                               ambigsw(cp, switches);
+                               done(1);
+                       case UNKWNSW:
+                               vec[vecp++] = --cp;
+                               continue;
+
+                       case HELPSW:
+                               snprintf(buf, sizeof(buf), "%s [+folder] %s[switches] [switches for showproc]", invo_name, mode == SHOW ? "[msgs] ": "");
+                               print_help(buf, switches, 1);
+                               done(1);
+                       case VERSIONSW:
+                               print_version(invo_name);
+                               done(1);
+
+                       case FILESW:
+                               if (mode != SHOW)
 usage:
-                                       adios (NULL,
-                                                       "usage: %s [+folder] [switches] [switches for showproc]",
-                                                       invo_name);
-                               case FILESW:
-                                       if (mode != SHOW)
-                                               goto usage;
-                                       if (draftsw || file)
-                                               adios (NULL, "only one file at a time!");
-                                       if (!(cp = *argp++) || *cp == '-')
-                                               adios (NULL, "missing argument to %s", argp[-2]);
-                                       file = path (cp, TFILE);
-                                       continue;
-
-                               case HEADSW:
-                                       headersw++;
-                                       continue;
-                               case NHEADSW:
-                                       headersw = 0;
-                                       continue;
-
-                               case FORMSW:
-                                       vec[vecp++] = --cp;
-                                       if (!(cp = *argp++) || *cp == '-')
-                                               adios (NULL, "missing argument to %s", argp[-2]);
-                                       vec[vecp++] = getcpy (etcpath(cp));
-                                       continue;
-
-                               case PROGSW:
-                               case LENSW:
-                               case WIDTHSW:
-                                       vec[vecp++] = --cp;
-                                       if (!(cp = *argp++) || *cp == '-')
-                                               adios (NULL, "missing argument to %s", argp[-2]);
-                                       vec[vecp++] = cp;
-                                       continue;
-
-                               case SHOWSW:
-                                       if (!(showproc = *argp++) || *showproc == '-')
-                                               adios (NULL, "missing argument to %s", argp[-2]);
-                                       nshow = 0;
-                                       continue;
-                               case NSHOWSW:
-                                       nshow++;
-                                       continue;
-
-                               case SHOWMIMESW:
-                                       if (!(showmimeproc = *argp++) || *showmimeproc == '-')
-                                               adios (NULL, "missing argument to %s", argp[-2]);
-                                       nshow = 0;
-                                       continue;
-                               case CHECKMIMESW:
-                                       checkmime++;
-                                       continue;
-                               case NOCHECKMIMESW:
-                                       checkmime = 0;
-                                       continue;
+                                       adios(NULL, "usage: %s [+folder] [switches] [switches for showproc]", invo_name);
+
+                               if (file)
+                                       adios(NULL, "only one file at a time!");
+                               if (!(cp = *argp++) || *cp == '-')
+                                       adios(NULL, "missing argument to %s", argp[-2]);
+                               file = getcpy(expanddir(cp));
+                               continue;
+
+                       case HEADSW:
+                               headersw++;
+                               continue;
+                       case NHEADSW:
+                               headersw = 0;
+                               continue;
+
+                       case FORMSW:
+                               vec[vecp++] = --cp;
+                               if (!(cp = *argp++) || *cp == '-')
+                                       adios(NULL, "missing argument to %s",
+                                                       argp[-2]);
+                               vec[vecp++] = getcpy(etcpath(cp));
+                               continue;
+
+                       case SHOWSW:
+                               if (!(showproc = *argp++) || *showproc == '-')
+                                       adios(NULL, "missing argument to %s",
+                                                       argp[-2]);
+                               continue;
+
+                       case SHOWMIMESW:
+                               if (!(showmimeproc = *argp++) ||
+                                               *showmimeproc == '-')
+                                       adios(NULL, "missing argument to %s",
+                                                       argp[-2]);
+                               continue;
+                       case CHECKMIMESW:
+                               checkmime++;
+                               continue;
+                       case NOCHECKMIMESW:
+                               checkmime = 0;
+                               continue;
                        }
                }
                if (*cp == '+' || *cp == '@') {
                        if (folder)
-                               adios (NULL, "only one folder at a time!");
+                               adios(NULL, "only one folder at a time!");
                        else
-                               folder = pluspath (cp);
+                               folder = getcpy(expandfol(cp));
+               } else if (mode != SHOW) {
+                       goto usage;
                } else {
-                       if (mode != SHOW)
-                               goto usage;
-                       else
-                               msgs[msgp++] = cp;
+                       msgs[msgp++] = cp;
                }
        }
        procp = vecp;
 
-       if (!context_find ("path"))
-               free (path ("./", TFOLDER));
-
-       if (draftsw || file) {
+       if (file) {
                if (msgp)
-                       adios (NULL, "only one file at a time!");
-               vec[vecp++] = draftsw
-                       ? getcpy (m_draft (folder, msgp ? msgs[0] : NULL, 1, &isdf))
-                       : file;
+                       adios(NULL, "only one file at a time!");
+               vec[vecp++] = file;
                goto go_to_it;
        }
 
 #ifdef WHATNOW
-       if (!msgp && !folder && mode == SHOW && (cp = getenv ("mhdraft")) && *cp) {
-               draftsw++;
+       if (!msgp && !folder && mode == SHOW &&
+                       (cp = getenv("mhdraft")) && *cp) {
                vec[vecp++] = cp;
                goto go_to_it;
        }
@@ -208,164 +168,132 @@ usage:
 
        if (!msgp) {
                switch (mode) {
-                       case NEXT:
-                               msgs[msgp++] = "next";
-                               break;
-                       case PREV:
-                               msgs[msgp++] = "prev";
-                               break;
-                       default:
-                               msgs[msgp++] = "cur";
-                               break;
+               case NEXT:
+                       msgs[msgp++] = seq_next;
+                       break;
+               case PREV:
+                       msgs[msgp++] = seq_prev;
+                       break;
+               default:
+                       msgs[msgp++] = seq_cur;
+                       break;
                }
        }
 
        if (!folder)
-               folder = getfolder (1);
-       maildir = m_maildir (folder);
-
-       if (chdir (maildir) == NOTOK)
-               adios (maildir, "unable to change directory to");
+               folder = getcurfol();
 
        /* read folder and create message structure */
-       if (!(mp = folder_read (folder)))
-               adios (NULL, "unable to read folder %s", folder);
+       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);
+               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);
+               if (!m_convert(mp, msgs[msgnum]))
+                       done(1);
 
        /*
-        * Set the SELECT_UNSEEN bit for all the SELECTED messages,
-        * since we will use that as a tag to know which messages
-        * to remove from the "unseen" sequence.
-        */
+       ** Set the SELECT_UNSEEN bit for all the SELECTED messages,
+       ** since we will use that as a tag to know which messages
+       ** to remove from the "unseen" sequence.
+       */
        for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++)
                if (is_selected(mp, msgnum))
-                       set_unseen (mp, msgnum);
+                       set_unseen(mp, msgnum);
 
-       seq_setprev (mp);  /* set the Previous-Sequence */
-       seq_setunseen (mp, 1);  /* unset the Unseen-Sequence */
+       seq_setprev(mp);  /* set the Previous-Sequence */
+       seq_setunseen(mp, 0);  /* unset unseen seqs for shown msgs */
 
        if (mp->numsel > MAXARGS - 2)
-               adios (NULL, "more than %d messages for show exec", MAXARGS - 2);
+               adios(NULL, "more than %d messages for show exec",
+                               MAXARGS - 2);
 
        for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++)
                if (is_selected(mp, msgnum))
-                       vec[vecp++] = getcpy (m_name (msgnum));
+                       vec[vecp++] = getcpy(m_name(msgnum));
 
-       seq_setcur (mp, mp->hghsel);  /* update current message  */
-       seq_save (mp);  /* synchronize sequences   */
-       context_replace (pfolder, folder);  /* update current folder   */
-       context_save ();  /* save the context file   */
+       seq_setcur(mp, mp->hghsel);  /* update current message  */
+       seq_save(mp);  /* synchronize sequences   */
+       context_replace(curfolder, folder);  /* update current folder   */
+       context_save();  /* save the context file   */
 
        if (headersw && vecp == 2)
-               printf ("(Message %s:%s)\n", folder, vec[1]);
+               printf("(Message %s:%s)\n", folder, vec[1]);
 
 go_to_it: ;
-       fflush (stdout);
+       fflush(stdout);
 
        vec[vecp] = NULL;
 
        /*
-        * Decide which "proc" to use
-        */
+       ** Decide which "proc" to use
+       */
        mime = 0;
-       if (nshow) {
-               proc = catproc;
-       } else {
-               /* check if any messages are non-text MIME messages */
-               if (checkmime && !getenv ("NOMHNPROC")) {
-                       if (!draftsw && !file) {
-                               /* loop through selected messages and check for MIME */
-                               for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++)
-                                       if (is_selected (mp, msgnum) && is_nontext (m_name (msgnum))) {
-                                               mime = 1;
-                                               break;
-                                       }
-                       } else {
-                               /* check the file or draft for MIME */
-                               if (is_nontext (vec[vecp - 1]))
-                                       mime = 1;
+       /* check if any messages are non-text MIME messages */
+       if (checkmime) {
+               if (file) {
+                       /* check the file for MIME */
+                       if (is_nontext(vec[vecp - 1])) {
+                               mime = 1;
                        }
+               } else {
+                       /*
+                       ** loop through selected messages
+                       ** and check for MIME
+                       */
+                       for (msgnum = mp->lowsel; msgnum <= mp->hghsel;
+                                       msgnum++)
+                               if (is_selected(mp, msgnum) &&
+                                               is_nontext(m_name(msgnum))) {
+                                       mime = 1;
+                                       break;
+                               }
                }
-
-               /* Set the "proc" */
-               if (mime)
-                       proc = showmimeproc;
-               else
-                       proc = showproc;
        }
 
-       if (folder && !draftsw && !file)
-               m_putenv ("mhfolder", folder);
+       /* Set the "proc" */
+       proc = (mime) ? showmimeproc : showproc;
 
-       /*
-        * For backward compatibility, if the "proc" is mhn,
-        * then add "-show" option.  Add "-file" if showing
-        * file or draft.
-        */
-       if (strcmp (r1bindex (proc, '/'), "mhn") == 0) {
-               if (draftsw || file) {
+       if (folder && !file)
+               m_putenv("mhfolder", folder);
+
+       /* Special-cased because mhshow takes msg not files args. */
+       if (strcmp(mhbasename(proc), "mhshow")==0) {
+               if (file) {
                        vec[vecp] = vec[vecp - 1];
                        vec[vecp - 1] = "-file";
-                       vecp++;
+                       vec[++vecp] = NULL;
                }
-               vec[vecp++] = "-show";
+               vec[vecp++] = concat("+", folder, NULL);
                vec[vecp] = NULL;
+               vec[0] = mhbasename(proc);
+               execvp(proc, vec);
+               adios(proc, "unable to exec");
        }
 
-       /* If the "proc" is "mhshow", add "-file" if showing file or draft.
-        */
-       if (strcmp (r1bindex (proc, '/'), "mhshow") == 0 && (draftsw || file) ) {
-          vec[vecp] = vec[vecp - 1];
-          vec[vecp - 1] = "-file";
-          vec[++vecp] = NULL;
-       }
-
-       /*
-        * If "proc" is mhl, then run it internally
-        * rather than exec'ing it.
-        */
-       if (strcmp (r1bindex (proc, '/'), "mhl") == 0) {
-               vec[0] = "mhl";
-               mhl (vecp, vec);
-               done (0);
-       }
-
-       /*
-        * If you are not using a nmh command as your "proc", then
-        * add the path to the message names.  Currently, we are just
-        * checking for mhn here, since we've already taken care of mhl.
-        */
-       if (!strcmp (r1bindex (proc, '/'), "mhl")
-                       && !draftsw
-                       && !file
-                       && chdir (maildir = concat (m_maildir (""), "/", NULL)) != NOTOK) {
-               mp->foldpath = concat (mp->foldpath, "/", NULL);
-               cp = ssequal (maildir, mp->foldpath)
-                       ? mp->foldpath + strlen (maildir)
-                       : mp->foldpath;
-               for (msgnum = procp; msgnum < vecp; msgnum++)
-                       vec[msgnum] = concat (cp, vec[msgnum], NULL);
+       /* Add the path to the message names. */
+       if (!file) {
+               for (msgnum = procp; msgnum < vecp; msgnum++) {
+                       vec[msgnum] = concat(mp->foldpath, "/",
+                                       vec[msgnum], NULL);
+               }
        }
 
-       vec[0] = r1bindex (proc, '/');
-       execvp (proc, vec);
-       adios (proc, "unable to exec");
+       vec[0] = mhbasename(proc);
+       execvp(proc, vec);
+       adios(proc, "unable to exec");
        return 0;  /* dead code to satisfy the compiler */
 }
 
 /*
- * Check if a message or file contains any non-text parts
- */
+** Check if a message or file contains any non-text parts
+*/
 static int
-is_nontext (char *msgnam)
+is_nontext(char *msgnam)
 {
        int result, state;
        unsigned char *bp, *dp;
@@ -373,31 +301,31 @@ is_nontext (char *msgnam)
        char buf[BUFSIZ], name[NAMESZ];
        FILE *fp;
 
-       if ((fp = fopen (msgnam, "r")) == NULL)
+       if ((fp = fopen(msgnam, "r")) == NULL)
                return 0;
 
        for (state = FLD;;) {
-               switch (state = m_getfld (state, name, buf, sizeof(buf), fp)) {
+               switch (state = m_getfld(state, name, buf, sizeof(buf), fp)) {
                case FLD:
                case FLDPLUS:
                case FLDEOF:
                        /*
-                        * Check Content-Type field
-                        */
-                       if (!mh_strcasecmp (name, TYPE_FIELD)) {
-                               int passno;
+                       ** Check Content-Type field
+                       */
+                       if (!mh_strcasecmp(name, TYPE_FIELD)) {
+                               int passno = 1;
                                char c;
 
-                               cp = add (buf, NULL);
+                               cp = getcpy(buf);
                                while (state == FLDPLUS) {
-                                       state = m_getfld (state, name, buf, sizeof(buf), fp);
-                                       cp = add (buf, cp);
+                                       state = m_getfld(state, name, buf,
+                                                       sizeof(buf), fp);
+                                       cp = add(buf, cp);
                                }
                                bp = cp;
-                               passno = 1;
 
 again:
-                               for (; isspace (*bp); bp++)
+                               for (; isspace(*bp); bp++)
                                        continue;
                                if (*bp == '(') {
                                        int i;
@@ -432,34 +360,43 @@ invalid:
                                        passno = 3;
                                        goto again;
                                }
-                               for (dp = bp; istoken (*dp); dp++)
+                               for (dp = bp; istoken(*dp); dp++)
                                        continue;
                                c = *dp;
                                *dp = '\0';
                                if (!*bp)
                                        goto invalid;
-                               if (passno > 1) {
-                                       if ((result = (mh_strcasecmp (bp, "plain") != 0)))
+                               if (passno == 1) {
+                                       if (!(result = (mh_strcasecmp(bp, "text") != 0))) {
+                                               *dp = c;
+                                               bp = dp;
+                                               passno = 2;
+                                               goto again;
+                                       }
+                               } else {
+                                       if ((result = (mh_strcasecmp(bp,
+                                                       "plain") != 0)))
                                                goto out;
                                        *dp = c;
-                                       for (dp++; isspace (*dp); dp++)
+                                       for (dp++; isspace(*dp); dp++)
                                                continue;
                                        if (*dp) {
-                                               if ((result = !uprf (dp, "charset")))
+                                               if ((result = !uprf(dp,
+                                                               "charset")))
                                                        goto out;
                                                dp += sizeof("charset") - 1;
-                                               while (isspace (*dp))
+                                               while (isspace(*dp))
                                                        dp++;
                                                if (*dp++ != '=')
                                                        goto invalid;
-                                               while (isspace (*dp))
+                                               while (isspace(*dp))
                                                        dp++;
                                                if (*dp == '"') {
                                                        if ((bp = strchr(++dp, '"')))
                                                                *bp = '\0';
                                                } else {
                                                        for (bp = dp; *bp; bp++)
-                                                               if (!istoken (*bp)) {
+                                                               if (!istoken(*bp)) {
                                                                        *bp = '\0';
                                                                        break;
                                                                }
@@ -469,64 +406,59 @@ invalid:
                                                dp = "US-ASCII";
                                        }
                                        /* Check the character set */
-                                       result = !check_charset (dp, strlen (dp));
-                               } else {
-                                       if (!(result = (mh_strcasecmp (bp, "text") != 0))) {
-                                               *dp = c;
-                                               bp = dp;
-                                               passno = 2;
-                                               goto again;
-                                       }
+                                       result = !check_charset(dp, strlen(dp));
                                }
 out:
-                               free (cp);
+                               free(cp);
                                if (result) {
-                                       fclose (fp);
+                                       fclose(fp);
                                        return result;
                                }
                                break;
                        }
 
                        /*
-                        * Check Content-Transfer-Encoding field
-                        */
-                       if (!mh_strcasecmp (name, ENCODING_FIELD)) {
-                               cp = add (buf, NULL);
+                       ** Check Content-Transfer-Encoding field
+                       */
+                       if (!mh_strcasecmp(name, ENCODING_FIELD)) {
+                               cp = getcpy(buf);
                                while (state == FLDPLUS) {
-                                       state = m_getfld (state, name, buf, sizeof(buf), fp);
-                                       cp = add (buf, cp);
+                                       state = m_getfld(state, name, buf,
+                                                       sizeof(buf), fp);
+                                       cp = add(buf, cp);
                                }
-                               for (bp = cp; isspace (*bp); bp++)
+                               for (bp = cp; isspace(*bp); bp++)
                                        continue;
-                               for (dp = bp; istoken (*dp); dp++)
+                               for (dp = bp; istoken(*dp); dp++)
                                        continue;
                                *dp = '\0';
-                               result = (mh_strcasecmp (bp, "7bit")
-                                          && mh_strcasecmp (bp, "8bit")
-                                          && mh_strcasecmp (bp, "binary"));
+                               result = (mh_strcasecmp(bp, "7bit")
+                                          && mh_strcasecmp(bp, "8bit")
+                                          && mh_strcasecmp(bp, "binary"));
 
-                               free (cp);
+                               free(cp);
                                if (result) {
-                                       fclose (fp);
+                                       fclose(fp);
                                        return result;
                                }
                                break;
                        }
 
                        /*
-                        * Just skip the rest of this header
-                        * field and go to next one.
-                        */
+                       ** Just skip the rest of this header
+                       ** field and go to next one.
+                       */
                        while (state == FLDPLUS)
-                               state = m_getfld (state, name, buf, sizeof(buf), fp);
+                               state = m_getfld(state, name, buf, sizeof(buf),
+                                               fp);
                        break;
 
                        /*
-                        * We've passed the message header,
-                        * so message is just text.
-                        */
+                       ** We've passed the message header,
+                       ** so message is just text.
+                       */
                default:
-                       fclose (fp);
+                       fclose(fp);
                        return 0;
                }
        }