From 247983e9820fd264cb5a59c14cc12846c028bd08 Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@cryptomilk.org>
Date: Wed, 29 Aug 2018 18:41:15 +0200
Subject: misc: Add strndup implementation if not provides by the OS

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
---
 src/misc.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'src/misc.c')

diff --git a/src/misc.c b/src/misc.c
index 5f606044..89934900 100644
--- a/src/misc.c
+++ b/src/misc.c
@@ -1085,4 +1085,25 @@ void explicit_bzero(void *s, size_t n)
 }
 #endif /* !HAVE_EXPLICIT_BZERO */
 
+#if !defined(HAVE_STRNDUP)
+char *strndup(const char *s, size_t n)
+{
+    char *x = NULL;
+
+    if (n + 1 < n) {
+        return NULL;
+    }
+
+    x = malloc(n + 1);
+    if (x == NULL) {
+        return NULL;
+    }
+
+    memcpy(x, s, n);
+    x[n] = '\0';
+
+    return x;
+}
+#endif /* ! HAVE_STRNDUP */
+
 /** @} */
-- 
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