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[nmh] / uip / sortm.c

diff --git a/uip/sortm.c b/uip/sortm.c
index f0d3248a8e8210d8d37db40cc4cd2c49d1a496fa..97d42e5fecec37166a2954c2afeba92a4ca43adb 100644 (file)
--- a/uip/sortm.c
+++ b/uip/sortm.c
@@ -122,7 +122,7 @@ main (int argc, char **argv)
                subjsort = "subject";
                continue;
            case NSUBJSW:
-               subjsort = (char *)0;
+               subjsort = NULL;
                continue;
 
            case LIMSW:
@@ -394,10 +394,8 @@ get_fields (char *datesw, int msg, struct smsg *smsg)
                      msg, compnum);
                check_failed = 1;
            }
-           if (datecomp)
-               free (datecomp);
-           if (subjcomp)
-               free (subjcomp);
+            mh_xfree(datecomp);
+            mh_xfree(subjcomp);
            fclose (in);
            return (0);
 
@@ -451,8 +449,7 @@ get_fields (char *datesw, int msg, struct smsg *smsg)
 
            while ((c = *cp++)) {
                if (isascii((unsigned char) c) && isalnum((unsigned char) c))
-                   *cp2++ = isupper((unsigned char) c) ?
-                                       tolower((unsigned char) c) : c;
+                   *cp2++ = tolower((unsigned char)c);
            }
 
            *cp2 = '\0';
@@ -463,8 +460,7 @@ get_fields (char *datesw, int msg, struct smsg *smsg)
        smsg->s_subj = subjcomp;
     }
     fclose (in);
-    if (datecomp)
-       free (datecomp);
+    mh_xfree(datecomp);
 
     return (1);
 }
@@ -477,12 +473,11 @@ dsort (struct smsg **a, struct smsg **b)
 {
     if ((*a)->s_clock < (*b)->s_clock)
        return (-1);
-    else if ((*a)->s_clock > (*b)->s_clock)
+    if ((*a)->s_clock > (*b)->s_clock)
        return (1);
-    else if ((*a)->s_msg < (*b)->s_msg)
+    if ((*a)->s_msg < (*b)->s_msg)
        return (-1);
-    else
-       return (1);
+    return (1);
 }
 
 /*
@@ -506,10 +501,9 @@ txtsort (struct smsg **a, struct smsg **b)
 
     if ((i = strcmp ((*a)->s_subj, (*b)->s_subj)))
        return (i);
-    else if ((*a)->s_msg < (*b)->s_msg)
+    if ((*a)->s_msg < (*b)->s_msg)
        return (-1);
-    else
-       return (1);
+    return (1);
 }
 
 static void
@@ -521,7 +515,7 @@ rename_chain (struct msgs *mp, struct smsg **mlist, int msg, int endmsg)
 
     for (;;) {
        nxt = mlist[msg] - smsgs;       /* mlist[msg] is a ptr into smsgs */
-       mlist[msg] = (struct smsg *)0;
+       mlist[msg] = NULL;
        old = smsgs[nxt].s_msg;
        new = smsgs[msg].s_msg;
        strncpy (oldname, m_name (old), sizeof(oldname));