enforsed compilation with -W -Werror


git-svn-id: https://asn1c.svn.sourceforge.net/svnroot/asn1c/trunk@10 59561ff5-6e30-0410-9f3c-9617f08c8826
diff --git a/libasn1parser/asn1p_expr_str.h b/libasn1parser/asn1p_expr_str.h
index 02de131..7d98a55 100644
--- a/libasn1parser/asn1p_expr_str.h
+++ b/libasn1parser/asn1p_expr_str.h
@@ -45,13 +45,13 @@
 /*
  * Convert the ASN.1 expression type back into the string representation.
  */
-#define	ASN_EXPR_TYPE2STR(type)				\
-	(						\
-	((type) < 0					\
-	|| (type) >= sizeof(asn1p_expr_type2str)	\
-		/ sizeof(asn1p_expr_type2str[0]))	\
-		? (char *)0				\
-		: asn1p_expr_type2str[(type)]		\
+#define	ASN_EXPR_TYPE2STR(type)					\
+	(							\
+	(((ssize_t)type) < 0					\
+	|| ((size_t)type) >= sizeof(asn1p_expr_type2str)	\
+		/ sizeof(asn1p_expr_type2str[0]))		\
+		? (char *)0					\
+		: asn1p_expr_type2str[(type)]			\
 	)
 
 #endif	/* ASN1_PARSER_EXPR_STR_H */
diff --git a/libasn1parser/asn1p_ref.c b/libasn1parser/asn1p_ref.c
index 4ac2b32..af6f6bb 100644
--- a/libasn1parser/asn1p_ref.c
+++ b/libasn1parser/asn1p_ref.c
@@ -80,7 +80,8 @@
 int
 asn1p_ref_add_component(asn1p_ref_t *ref, char *name, enum asn1p_ref_lex_type_e lex_type) {
 
-	if(!ref || !name || lex_type < RLT_UNKNOWN || lex_type >= RLT_MAX) {
+	if(!ref || !name
+	|| (int)lex_type < RLT_UNKNOWN || lex_type >= RLT_MAX) {
 		errno = EINVAL;
 		return -1;
 	}