cppflags.m4: Don't trample CFLAGS and CPPFLAGS.

[nmh] / uip / mhparse.c

diff --git a/uip/mhparse.c b/uip/mhparse.c
index 74e03a7e60bd315ab6ba29631f6872a7e6e94dae..71405616cba9a7b0f5bd4b5a1008d936e36a0353 100644 (file)
--- a/uip/mhparse.c
+++ b/uip/mhparse.c
@@ -2340,7 +2340,7 @@ openExternal (CT ct, CT cb, CE ce, char **file, int *fd)
         admonish (cachefile, "unable to fopen for reading");
     }
 
-    *fd = fileno (ce->ce_fp);
+    *fd = ce->ce_fp ? fileno (ce->ce_fp) : -1;
     return OK;
 
 ready_already: