[RFC PATCH v2 3/9] libselinux: use more appropriate types in sidtab

[Christian Göttsche <cgzones@xxxxxxxxxxxxxx>]

Use type unsigned for hash values, as returned by sidtab_hash().
Use size_t for buffer length and counting variables.
Constify stats parameter.

Signed-off-by: Christian Göttsche <cgzones@xxxxxxxxxxxxxx>
---
v2:
  add patch
---
 libselinux/src/avc_sidtab.c | 16 +++++++++-------
 libselinux/src/avc_sidtab.h |  2 +-
 2 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/libselinux/src/avc_sidtab.c b/libselinux/src/avc_sidtab.c
index 3303537b..fce5bddf 100644
--- a/libselinux/src/avc_sidtab.c
+++ b/libselinux/src/avc_sidtab.c
@@ -45,7 +45,8 @@ int sidtab_init(struct sidtab *s)
 
 int sidtab_insert(struct sidtab *s, const char * ctx)
 {
-	int hvalue, rc = 0;
+	unsigned hvalue;
+	int rc = 0;
 	struct sidtab_node *newnode;
 	char * newctx;
 
@@ -75,7 +76,8 @@ int
 sidtab_context_to_sid(struct sidtab *s,
 		      const char * ctx, security_id_t * sid)
 {
-	int hvalue, rc = 0;
+	unsigned hvalue;
+	int rc = 0;
 	struct sidtab_node *cur;
 
 	*sid = NULL;
@@ -98,10 +100,10 @@ sidtab_context_to_sid(struct sidtab *s,
 	return rc;
 }
 
-void sidtab_sid_stats(struct sidtab *s, char *buf, int buflen)
+void sidtab_sid_stats(const struct sidtab *s, char *buf, size_t buflen)
 {
-	int i, chain_len, slots_used, max_chain_len;
-	struct sidtab_node *cur;
+	size_t i, chain_len, slots_used, max_chain_len;
+	const struct sidtab_node *cur;
 
 	slots_used = 0;
 	max_chain_len = 0;
@@ -121,8 +123,8 @@ void sidtab_sid_stats(struct sidtab *s, char *buf, int buflen)
 	}
 
 	snprintf(buf, buflen,
-		 "%s:  %u SID entries and %d/%d buckets used, longest "
-		 "chain length %d\n", avc_prefix, s->nel, slots_used,
+		 "%s:  %u SID entries and %zu/%d buckets used, longest "
+		 "chain length %zu\n", avc_prefix, s->nel, slots_used,
 		 SIDTAB_SIZE, max_chain_len);
 }
 
diff --git a/libselinux/src/avc_sidtab.h b/libselinux/src/avc_sidtab.h
index cc5abe35..e823e3f3 100644
--- a/libselinux/src/avc_sidtab.h
+++ b/libselinux/src/avc_sidtab.h
@@ -29,7 +29,7 @@ int sidtab_insert(struct sidtab *s, const char * ctx) ;
 int sidtab_context_to_sid(struct sidtab *s,
 			  const char * ctx, security_id_t * sid) ;
 
-void sidtab_sid_stats(struct sidtab *s, char *buf, int buflen) ;
+void sidtab_sid_stats(const struct sidtab *s, char *buf, size_t buflen) ;
 void sidtab_destroy(struct sidtab *s) ;
 
 #endif				/* _SELINUX_AVC_SIDTAB_H_ */
-- 
2.43.0