closefds.c: Move interface to own file.

[nmh] / sbr / seq_bits.c

diff --git a/sbr/seq_bits.c b/sbr/seq_bits.c
index b0f6e6c0df1c02791a79a0910959784e1e32f1ba..10f2acd9013becebfc20185f270397a8ec67a417 100644 (file)
--- a/sbr/seq_bits.c
+++ b/sbr/seq_bits.c
@@ -1,26 +1,37 @@
-
-/*
- * seq_bits.c -- return the snprintb() string for a sequence
+/* seq_bits.c -- return the snprintb() string for a sequence
  *
- * $Id$
+ * 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/mh.h"
+#include "seq_bits.h"
 
 
 char *
 seq_bits (struct msgs *mp)
 {
-    int i;
+    size_t i;
     size_t len;
     static char buffer[BUFSIZ];
 
     strncpy (buffer, MBITS, sizeof(buffer));
 
-    for (i = 0; mp->msgattrs[i]; i++) {
+    for (i = 0; i < svector_size (mp->msgattrs); i++) {
        len = strlen (buffer);
        snprintf (buffer + len, sizeof(buffer) - len,
-               "%c%s", FFATTRSLOT + 1 + i, mp->msgattrs[i]);
+                 "%c%s", FFATTRSLOT + 1 + (int) i,
+                  svector_at (mp->msgattrs, i));
+       /*
+        * seq_bits() is used by seq_printdebug(), which passes an
+        * unsigned int bit vector to snprintb().  So limit the
+        * size of the return value accordingly.   Even worse,
+        * snprintb() only uses characters up through ASCII space
+        * as the delimiter (the %c character above).  So limit
+        * based on that.
+        */
+       if ((int) i == ' ' - FFATTRSLOT - 1) break;
     }
 
     return buffer;