treewide: ISO C / pedantic compliance

 - Shuffle typedefs to avoid need for non-compliant forward declarations
 - Fix non-compliant empty struct initializers
 - Remove use of braced expressions
 - Remove use of anonymous unions
 - Avoid `void *` pointer arithmetic
 - Fix several warnings reported by gcc -pedantic mode and clang 11 compilation

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/value.c b/value.c
index e53e317..0827038 100644
--- a/value.c
+++ b/value.c
@@ -260,7 +260,7 @@ uc_cmp(int how, uc_value_t *v1, uc_value_t *v2)
 	}
 	else {
 		if (t1 == t2 && !ucv_is_scalar(v1)) {
-			delta = (void *)v1 - (void *)v2;
+			delta = (intptr_t)v1 - (intptr_t)v2;
 		}
 		else {
 			t1 = uc_cast_number(v1, &n1, &d1);