Minor code improvement for PROCINFO["NONFATAL"].

2 files changed, 9 insertions, 4 deletions

diff --git a/ChangeLog b/ChangeLog
index cc86c1c4..6853d257 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2015-12-20         Arnold D. Robbins     <arnold@skeeve.com>
+
+	* io.c (nonfatal): New static constant string.
+	* is_non_fatal, is_non_fatal_redirect: Use it.
+
 2015-12-16         Arnold D. Robbins     <arnold@skeeve.com>
 
 	* io.c (two_way_open): Remove unneeded close of slave in the
diff --git a/io.c b/io.c
index 9385a1e6..0d521ed0 100644
--- a/io.c
+++ b/io.c
@@ -323,6 +323,8 @@ static Regexp *RS_re_yes_case;	/* regexp for RS when ignoring case */
 static Regexp *RS_re_no_case;	/* regexp for RS when not ignoring case */
 static Regexp *RS_regexp;
 
+static const char nonfatal[] = "NONFATAL";
+
 bool RS_is_null;
 
 extern NODE *ARGC_node;
@@ -1100,8 +1102,6 @@ getredirect(const char *str, int len)
 bool
 is_non_fatal_std(FILE *fp)
 {
-	static const char nonfatal[] = "NONFATAL";
-
 	if (in_PROCINFO(nonfatal, NULL, NULL))
 		return true;
 
@@ -1121,8 +1121,8 @@ is_non_fatal_std(FILE *fp)
 bool
 is_non_fatal_redirect(const char *str)
 {
-	return in_PROCINFO("NONFATAL", NULL, NULL) != NULL
-	       || in_PROCINFO(str, "NONFATAL", NULL) != NULL;
+	return in_PROCINFO(nonfatal, NULL, NULL) != NULL
+	       || in_PROCINFO(str, nonfatal, NULL) != NULL;
 }
 
 /* close_one --- temporarily close an open file to re-use the fd */