X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/d45c3d28d788129428036fd7f26fa417beccd93e..afee8ed17a56617618fb7f963b111d7cf0fb56e7:/uip/mhshowsbr.c

diff --git a/uip/mhshowsbr.c b/uip/mhshowsbr.c
index c2bb48a0..866a41bf 100644
--- a/uip/mhshowsbr.c
+++ b/uip/mhshowsbr.c
@@ -38,12 +38,6 @@ pid_t xpid = 0;
 static sigjmp_buf intrenv;
 
 
-/* termsbr.c */
-int SOprintf (char *, ...);
-
-/* mhparse.c */
-int pidcheck (int);
-
 /* mhmisc.c */
 int part_ok (CT, int);
 int type_ok (CT, int);
@@ -150,7 +144,7 @@ show_single_message (CT ct, char *form)
     sigaddset (&set, SIGINT);
     sigaddset (&set, SIGQUIT);
     sigaddset (&set, SIGTERM);
-    SIGPROCMASK (SIG_BLOCK, &set, &oset);
+    sigprocmask (SIG_BLOCK, &set, &oset);
 
     while (wait (&status) != NOTOK) {
 	pidcheck (status);
@@ -158,7 +152,7 @@ show_single_message (CT ct, char *form)
     }
 
     /* reset the signal mask */
-    SIGPROCMASK (SIG_SETMASK, &oset, &set);
+    sigprocmask (SIG_SETMASK, &oset, &set);
 
     xpid = 0;
     flush_errors ();
@@ -174,24 +168,24 @@ DisplayMsgHeader (CT ct, char *form)
 {
     pid_t child_id;
     int i, vecp;
-    char *vec[8];
+    char **vec;
+    char *file;
 
-    vecp = 0;
-    vec[vecp++] = r1bindex (mhlproc, '/');
-    vec[vecp++] = "-form";
-    vec[vecp++] = form;
-    vec[vecp++] = "-nobody";
-    vec[vecp++] = ct->c_file;
+    vec = argsplit(mhlproc, &file, &vecp);
+    vec[vecp++] = getcpy("-form");
+    vec[vecp++] = getcpy(form);
+    vec[vecp++] = getcpy("-nobody");
+    vec[vecp++] = getcpy(ct->c_file);
 
     /*
      * If we've specified -(no)moreproc,
      * then just pass that along.
      */
     if (nomore) {
-	vec[vecp++] = "-nomoreproc";
+	vec[vecp++] = getcpy("-nomoreproc");
     } else if (progsw) {
-	vec[vecp++] = "-moreproc";
-	vec[vecp++] = progsw;
+	vec[vecp++] = getcpy("-moreproc");
+	vec[vecp++] = getcpy(progsw);
     }
     vec[vecp] = NULL;
 
@@ -206,7 +200,7 @@ DisplayMsgHeader (CT ct, char *form)
 	/* NOTREACHED */
 
     case OK:
-	execvp (mhlproc, vec);
+	execvp (file, vec);
 	fprintf (stderr, "unable to exec ");
 	perror (mhlproc);
 	_exit (-1);
@@ -216,6 +210,8 @@ DisplayMsgHeader (CT ct, char *form)
 	xpid = -child_id;
 	break;
     }
+
+    arglist_free(file, vec);
 }
 
 
@@ -469,7 +465,8 @@ raw:
 	}
     }
 
-    if (buflen <= 0 || (ct->c_termproc && buflen <= strlen(ct->c_termproc))) {
+    if (buflen <= 0 ||
+        (ct->c_termproc && (size_t) buflen <= strlen(ct->c_termproc))) {
 	/* content_error would provide a more useful error message
 	 * here, except that if we got overrun, it probably would
 	 * too.
@@ -532,13 +529,13 @@ show_content_aux2 (CT ct, int serial, int alternate, char *cracked, char *buffer
 	else
 	    list_switch (ct, -1, 1, 0, 0);
 
-	if (xpause && SOprintf ("Press <return> to show content..."))
-	    printf ("Press <return> to show content...");
-
-	if (xpause) {
+	if (xpause && isatty (fileno (stdout))) {
 	    int	intr;
 	    SIGNAL_HANDLER istat;
 
+	    if (SOprintf ("Press <return> to show content..."))
+		printf ("Press <return> to show content...");
+
 	    istat = SIGNAL (SIGINT, intrser);
 	    if ((intr = sigsetjmp (intrenv, 1)) == OK) {
 		fflush (stdout);
@@ -563,7 +560,7 @@ show_content_aux2 (CT ct, int serial, int alternate, char *cracked, char *buffer
 
     fflush (stdout);
 
-    for (i = 0; (child_id = vfork ()) == NOTOK && i < 5; i++)
+    for (i = 0; (child_id = vfork()) == NOTOK && i < 5; i++)
 	sleep (5);
     switch (child_id) {
 	case NOTOK:
@@ -660,14 +657,11 @@ show_multi (CT ct, int serial, int alternate)
 	return show_multi_aux (ct, serial, alternate, cp);
 
     /*
-     * Use default method to display this multipart content
-     * if it is not a (nested) part of a multipart/alternative,
-     * or if it is one of the known subtypes of multipart.
+     * Use default method to display this multipart content.  Even
+     * unknown types are displayable, since they're treated as mixed
+     * per RFC 2046.
      */
-    if (!alternate || ct->c_subtype != MULTI_UNKNOWN)
-	return show_multi_internal (ct, serial, alternate);
-
-    return NOTOK;
+    return show_multi_internal (ct, serial, alternate);
 }
 
 
@@ -710,7 +704,7 @@ show_multi_internal (CT ct, int serial, int alternate)
 	sigaddset (&set, SIGINT);
 	sigaddset (&set, SIGQUIT);
 	sigaddset (&set, SIGTERM);
-	SIGPROCMASK (SIG_BLOCK, &set, &oset);
+	sigprocmask (SIG_BLOCK, &set, &oset);
     }
 
 /*
@@ -796,7 +790,7 @@ show_multi_internal (CT ct, int serial, int alternate)
 out:
     if (!nowserial) {
 	/* reset the signal mask */
-	SIGPROCMASK (SIG_SETMASK, &oset, &set);
+	sigprocmask (SIG_SETMASK, &oset, &set);
     }
 
     return result;
@@ -984,7 +978,8 @@ raw:
 	}
     }
 
-    if (buflen <= 0 || (ct->c_termproc && buflen <= strlen(ct->c_termproc))) {
+    if (buflen <= 0 ||
+        (ct->c_termproc && buflen <= (ssize_t) strlen(ct->c_termproc))) {
 	/* content_error would provide a more useful error message
 	 * here, except that if we got overrun, it probably would
 	 * too.
@@ -1051,6 +1046,9 @@ show_message_rfc822 (CT ct, int serial, int alternate)
 static int
 show_partial (CT ct, int serial, int alternate)
 {
+    NMH_UNUSED (serial);
+    NMH_UNUSED (alternate);
+
     content_error (NULL, ct,
 	"in order to display this message, you must reassemble it");
     return NOTOK;
@@ -1073,20 +1071,13 @@ show_external (CT ct, int serial, int alternate)
 	return OK;
 
     return show_switch (p, serial, alternate);
-
-#if 0
-    content_error (NULL, p, "don't know how to display content");
-    return NOTOK;
-#endif
 }
 
 
 static void
 intrser (int i)
 {
-#ifndef RELIABLE_SIGNALS
-    SIGNAL (SIGINT, intrser);
-#endif
+    NMH_UNUSED (i);
 
     putchar ('\n');
     siglongjmp (intrenv, DONE);