vppinfra: add unformat_c_string_array

Type: improvement
Change-Id: Iea5ecca5d4cbc6c7aea69104830afcfe78c708ee
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/src/vppinfra/unformat.c b/src/vppinfra/unformat.c
index e8e5c28ea8c..a07f4e06df5 100644
--- a/src/vppinfra/unformat.c
+++ b/src/vppinfra/unformat.c
@@ -1086,6 +1086,30 @@ unformat_data_size (unformat_input_t * input, va_list * args)
   return 1;
 }
 
+__clib_export uword
+unformat_c_string_array (unformat_input_t *input, va_list *va)
+{
+  char *str = va_arg (*va, char *);
+  u32 array_len = va_arg (*va, u32);
+  uword c, rv = 0;
+  u8 *s = 0;
+
+  if (unformat (input, "%v", &s) == 0)
+    return 0;
+
+  c = vec_len (s);
+
+  if (c > 0 && c < array_len)
+    {
+      clib_memcpy (str, s, c);
+      str[c] = 0;
+      rv = 1;
+    }
+
+  vec_free (s);
+  return rv;
+}
+
 #endif /* CLIB_UNIX */