Including the final (char *)NULL is the responsibility of the caller

of execl().

diff --git a/src/include/unistd.h b/src/include/unistd.h
index 9dd51dc..f3412d4 100644 (file)
--- a/src/include/unistd.h
+++ b/src/include/unistd.h
@@ -16,7 +16,7 @@ extern int execv ( const char *command, char * const argv[] );
  * This is a front end to execv().
  */
 #define execl( command, arg, ... ) ( {                                 \
  * This is a front end to execv().
  */
 #define execl( command, arg, ... ) ( {                                 \

-               char * const argv[] = { (arg), ## __VA_ARGS__, NULL };  \
+               char * const argv[] = { (arg), ## __VA_ARGS__ };        \

                int rc = execv ( (command), argv );                     \
                rc;                                                     \
        } )
                int rc = execv ( (command), argv );                     \
                rc;                                                     \
        } )