show: Fixed -checkmime for msgs.
[mmh] / uip / show.c
index 6e4f316..34fa826 100644 (file)
@@ -21,23 +21,15 @@ 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 FILESW  11
-       { "file file", -4 },  /* interface from showfile */
-#define VERSIONSW  12
+#define FILESW  7
+       { "file file", -4 },  /* interface from whatnow (listproc) */
+#define VERSIONSW  8
        { "version", 0 },
-#define HELPSW  13
+#define HELPSW  9
        { "help", 0 },
        { NULL, 0 }
 };
@@ -45,12 +37,14 @@ static struct swit switches[] = {
 /*
 ** static prototypes
 */
-static int is_nontext(char *);
+static int is_mime(char *);
 
 #define SHOW  0
 #define NEXT  1
 #define PREV  2
 
+char *showproc = "mhl";
+char *showmimeproc = "mhshow";
 
 int
 main(int argc, char **argv)
@@ -86,7 +80,6 @@ main(int argc, char **argv)
                                ambigsw(cp, switches);
                                done(1);
                        case UNKWNSW:
-                       case NPROGSW:
                                vec[vecp++] = --cp;
                                continue;
 
@@ -125,16 +118,6 @@ usage:
                                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",
@@ -175,14 +158,6 @@ usage:
                goto go_to_it;
        }
 
-#ifdef WHATNOW
-       if (!msgp && !folder && mode == SHOW &&
-                       (cp = getenv("mhdraft")) && *cp) {
-               vec[vecp++] = cp;
-               goto go_to_it;
-       }
-#endif /* WHATNOW */
-
        if (!msgp) {
                switch (mode) {
                case NEXT:
@@ -252,31 +227,29 @@ go_to_it: ;
        mime = 0;
        /* check if any messages are non-text MIME messages */
        if (checkmime) {
-               if (!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))) {
+               if (file) {
+                       if (is_mime(vec[vecp - 1])) {
+                               mime = 1;
+                       }
+               } else {
+                       for (msgnum = mp->lowsel; msgnum <= mp->hghsel;
+                                       msgnum++) {
+                               if (!is_selected(mp, msgnum)) {
+                                       continue;
+                               }
+                               snprintf(buf, sizeof buf, "%s/%d",
+                                               toabsdir(folder), msgnum);
+                               if (is_mime(buf)) {
                                        mime = 1;
                                        break;
                                }
-               } else {
-                       /* check the file for MIME */
-                       if (is_nontext(vec[vecp - 1]))
-                               mime = 1;
+                       }
                }
        }
 
        /* Set the "proc" */
        proc = (mime) ? showmimeproc : showproc;
 
-       if (folder && !file)
-               m_putenv("mhfolder", folder);
-
        /* Special-cased because mhshow takes msg not files args. */
        if (strcmp(mhbasename(proc), "mhshow")==0) {
                if (file) {
@@ -306,175 +279,38 @@ go_to_it: ;
 }
 
 /*
-** Check if a message or file contains any non-text parts
+** Check if a message or file contains MIME.
 */
 static int
-is_nontext(char *msgnam)
+is_mime(char *msgnam)
 {
-       int result, state;
-       unsigned char *bp, *dp;
-       char *cp;
+       int state = FLD;
        char buf[BUFSIZ], name[NAMESZ];
        FILE *fp;
 
        if ((fp = fopen(msgnam, "r")) == NULL)
                return 0;
 
-       for (state = FLD;;) {
+       while (1) {
                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;
-                               char c;
-
-                               cp = getcpy(buf);
-                               while (state == FLDPLUS) {
-                                       state = m_getfld(state, name, buf,
-                                                       sizeof(buf), fp);
-                                       cp = add(buf, cp);
-                               }
-                               bp = cp;
-                               passno = 1;
-
-again:
-                               for (; isspace(*bp); bp++)
-                                       continue;
-                               if (*bp == '(') {
-                                       int i;
-
-                                       for (bp++, i = 0;;) {
-                                               switch (*bp++) {
-                                               case '\0':
-invalid:
-                                                       result = 0;
-                                                       goto out;
-                                               case '\\':
-                                                       if (*bp++ == '\0')
-                                                               goto invalid;
-                                                       continue;
-                                               case '(':
-                                                       i++;
-                                                       /* and fall... */
-                                               default:
-                                                       continue;
-                                               case ')':
-                                                       if (--i < 0)
-                                                               break;
-                                                       continue;
-                                               }
-                                               break;
-                                       }
-                               }
-                               if (passno == 2) {
-                                       if (*bp != '/')
-                                               goto invalid;
-                                       bp++;
-                                       passno = 3;
-                                       goto again;
-                               }
-                               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)))
-                                               goto out;
-                                       *dp = c;
-                                       for (dp++; isspace(*dp); dp++)
-                                               continue;
-                                       if (*dp) {
-                                               if ((result = !uprf(dp,
-                                                               "charset")))
-                                                       goto out;
-                                               dp += sizeof("charset") - 1;
-                                               while (isspace(*dp))
-                                                       dp++;
-                                               if (*dp++ != '=')
-                                                       goto invalid;
-                                               while (isspace(*dp))
-                                                       dp++;
-                                               if (*dp == '"') {
-                                                       if ((bp = strchr(++dp, '"')))
-                                                               *bp = '\0';
-                                               } else {
-                                                       for (bp = dp; *bp; bp++)
-                                                               if (!istoken(*bp)) {
-                                                                       *bp = '\0';
-                                                                       break;
-                                                               }
-                                               }
-                                       } else {
-                                               /* Default character set */
-                                               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;
-                                       }
-                               }
-out:
-                               free(cp);
-                               if (result) {
-                                       fclose(fp);
-                                       return result;
-                               }
-                               break;
-                       }
-
-                       /*
-                       ** 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);
-                               }
-                               for (bp = cp; isspace(*bp); bp++)
-                                       continue;
-                               for (dp = bp; istoken(*dp); dp++)
-                                       continue;
-                               *dp = '\0';
-                               result = (mh_strcasecmp(bp, "7bit")
-                                          && mh_strcasecmp(bp, "8bit")
-                                          && mh_strcasecmp(bp, "binary"));
-
-                               free(cp);
-                               if (result) {
-                                       fclose(fp);
-                                       return result;
-                               }
-                               break;
+                       /* Does it have a Mime-Version header? */
+                       if (mh_strcasecmp(name, VRSN_FIELD)==0) {
+                               fclose(fp);
+                               return 1;
                        }
 
-                       /*
-                       ** Just skip the rest of this header
-                       ** field and go to next one.
-                       */
-                       while (state == FLDPLUS)
+                       /* else skip the rest of this header field and go on */
+                       while (state == FLDPLUS) {
                                state = m_getfld(state, name, buf, sizeof(buf),
                                                fp);
+                       }
                        break;
 
-                       /*
-                       ** We've passed the message header,
-                       ** so message is just text.
-                       */
                default:
+                       /* We've passed the header, so message is just text */
                        fclose(fp);
                        return 0;
                }