Add xstrdup() - like strdup but get fatal error if memory is exhausted.

Avoid duplicates in search path.
ok espie@

1 files changed, 16 insertions, 1 deletions

diff --git a/gnu/usr.bin/ld/etc.c b/gnu/usr.bin/ld/etc.c
index d3716f03ece..1b6aec578c4 100644
--- a/gnu/usr.bin/ld/etc.c
+++ b/gnu/usr.bin/ld/etc.c
@@ -1,4 +1,4 @@
-/* * $OpenBSD: etc.c,v 1.2 1998/03/26 19:46:18 niklas Exp $*/
+/* * $OpenBSD: etc.c,v 1.3 2000/04/24 03:33:27 form Exp $*/
 /*
  */
 
@@ -7,6 +7,21 @@
 #include <string.h>
 
 /*
+ * Like strdup but get fatal error if memory is exhausted.
+ */
+char *
+xstrdup(s)
+	char *s;
+{
+	char *result = strdup(s);
+
+	if (!result)
+		errx(1, "virtual memory exhausted");
+
+	return result;
+}
+
+/*
  * Like malloc but get fatal error if memory is exhausted.
  */
 void *