X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/81a21a9a97d8633f6d6231e31fdb6e328d0d3ff2..9322ba2854211794c27fae9468768b80b767c211:/sbr/putenv.c

diff --git a/sbr/putenv.c b/sbr/putenv.c
index fb4a77ce..5266d63e 100644
--- a/sbr/putenv.c
+++ b/sbr/putenv.c
@@ -2,8 +2,6 @@
 /*
  * putenv.c -- (un)set an envariable
  *
- * $Id$
- *
  * 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.
@@ -21,16 +19,16 @@ int m_putenv (char *, char *);
 int unputenv (char *);
 static int nvmatch (char *, char *);
 
+/* FIXME: These functions leak memory.  No easy fix since they might not
+ * be malloc'd.  Switch to setenv(3) and unsetenv(3). */
 
 int
 m_putenv (char *name, char *value)
 {
-    register int i;
-    register char **ep, **nep, *cp;
-
-    cp = mh_xmalloc ((size_t) (strlen (name) + strlen (value) + 2));
+    int i;
+    char **ep, **nep, *cp;
 
-    sprintf (cp, "%s=%s", name, value);
+    cp = concat(name, "=", value, NULL);
 
     for (ep = environ, i = 0; *ep; ep++, i++)
 	if (nvmatch (name, *ep)) {