From: Ralph Corderoy <ralph@inputplus.co.uk>
Date: Mon, 11 Sep 2017 17:23:33 +0000 (+0100)
Subject: path.c: Re-format path() to make it more clear what's happening.
X-Git-Url: https://diplodocus.org/git/nmh/commitdiff_plain/a37e496eeca84e0ea3fc1c7a95b013541a443cee?ds=sidebyside;hp=14e7f92ac37c70e4267e8602a036aa4e08a09447

path.c: Re-format path() to make it more clear what's happening.
---

diff --git a/sbr/path.c b/sbr/path.c
index bf9283a3..28d0e773 100644
--- a/sbr/path.c
+++ b/sbr/path.c
@@ -31,14 +31,17 @@ pluspath(char *name)
 char *
 path(char *name, int flag)
 {
-    char *cp, *ep;
+    char *p, *last;
+
+    p = expath(name, flag);
+    if (!p)
+        return NULL;
 
-    if ((cp = expath (name, flag))
-	    && (ep = cp + strlen (cp) - 1) > cp
-	    && *ep == '/')
-	*ep = '\0';
+    last = p + strlen(p) - 1;
+    if (last > p && *last == '/')
+	*last = '\0';
 
-    return cp;
+    return p;
 }