identification: Make `written` signed to fix error checking when printing ranges

diff --git a/src/libstrongswan/utils/identification.c b/src/libstrongswan/utils/identification.c
index 98424586f814c978121d18168e3d5878d4ce735c..2b2e907f0f3a39ce0ac3f5029f4c14cdff7ef12f 100644 (file)
--- a/src/libstrongswan/utils/identification.c
+++ b/src/libstrongswan/utils/identification.c
@@ -980,9 +980,9 @@ int identification_printf_hook(printf_hook_data_t *data,
 {
        private_identification_t *this = *((private_identification_t**)(args[0]));
        chunk_t proper;
-       char buf[BUF_LEN];
-       char *pos;
-       size_t written, len, address_size;
+       char buf[BUF_LEN], *pos;
+       size_t len, address_size;
+       int written;
 
        if (this == NULL)
        {