X-Git-Url: https://git.distorted.org.uk/~mdw/secnet/blobdiff_plain/3f36eb5f9c4635756a38c9327c769599d7b58c1f..03847a23f64d1b19254335646bf09220f66ac8f9:/conffile.c

diff --git a/conffile.c b/conffile.c
index ede9c49..24d7e25 100644
--- a/conffile.c
+++ b/conffile.c
@@ -561,10 +561,10 @@ list_t *list_new(void)
     return NULL;
 }
 
-int32_t list_length(list_t *a)
+int32_t list_length(const list_t *a)
 {
     int32_t l=0;
-    list_t *i;
+    const list_t *i;
     for (i=a; i; i=i->next) { assert(l < INT_MAX); l++; }
     return l;
 }