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-rw-r--r--main.c15
-rw-r--r--makeint.h3
2 files changed, 12 insertions, 6 deletions
diff --git a/main.c b/main.c
index b2d169c..0cdb8a8 100644
--- a/main.c
+++ b/main.c
@@ -1429,13 +1429,18 @@ main (int argc, char **argv, char **envp)
#ifdef HAVE_ISATTY
if (isatty (fileno (stdout)))
if (! lookup_variable (STRING_SIZE_TUPLE ("MAKE_TERMOUT")))
- define_variable_cname ("MAKE_TERMOUT", TTYNAME (fileno (stdout)),
- o_default, 0)->export = v_export;
-
+ {
+ const char *tty = TTYNAME (fileno (stdout));
+ define_variable_cname ("MAKE_TERMOUT", tty ? tty : DEFAULT_TTYNAME,
+ o_default, 0)->export = v_export;
+ }
if (isatty (fileno (stderr)))
if (! lookup_variable (STRING_SIZE_TUPLE ("MAKE_TERMERR")))
- define_variable_cname ("MAKE_TERMERR", TTYNAME (fileno (stderr)),
- o_default, 0)->export = v_export;
+ {
+ const char *tty = TTYNAME (fileno (stderr));
+ define_variable_cname ("MAKE_TERMERR", tty ? tty : DEFAULT_TTYNAME,
+ o_default, 0)->export = v_export;
+ }
#endif
/* Reset in case the switches changed our minds. */
diff --git a/makeint.h b/makeint.h
index 6223936..2009f41 100644
--- a/makeint.h
+++ b/makeint.h
@@ -436,10 +436,11 @@ extern struct rlimit stack_limit;
/* The number of bytes needed to represent the largest integer as a string. */
#define INTSTR_LENGTH CSTRLEN ("18446744073709551616")
+#define DEFAULT_TTYNAME "true"
#ifdef HAVE_TTYNAME
# define TTYNAME(_f) ttyname (_f)
#else
-# define TTYNAME(_f) "true"
+# define TTYNAME(_f) DEFAULT_TTYNAME
#endif