Fix warnings: -Wshadow -Wpointer-arith -Wcast-align -Wstrict-prototypes -Wmissing-prototypes.

git-svn-id: http://svn.drobilla.net/zix/trunk@72 df6676b4-ccc9-40e5-b5d6-7c4628a128e3

4 files changed, 16 insertions, 13 deletions

diff --git a/src/ring.c b/src/ring.c
index 7ebbe67..b701497 100644
--- a/src/ring.c
+++ b/src/ring.c
@@ -216,7 +216,7 @@ zix_ring_write(ZixRing* ring, const void* src, uint32_t size)
 	} else {
 		const uint32_t this_size = ring->size - w;
 		memcpy(&ring->buf[w], src, this_size);
-		memcpy(&ring->buf[0], (char*)src + this_size, size - this_size);
+		memcpy(&ring->buf[0], (const char*)src + this_size, size - this_size);
 		ZIX_WRITE_BARRIER();
 		ring->write_head = size - this_size;
 	}
diff --git a/src/strindex.c b/src/strindex.c
index 886d261..bd97db5 100644
--- a/src/strindex.c
+++ b/src/strindex.c
@@ -190,8 +190,11 @@ ZIX_API
 ZixStatus
 zix_strindex_find(ZixStrindex* t, const char* p, char** match)
 {
-	ZixStrindexNode* n      = t->root;
-	const char*      orig_p = p;
+#ifndef NDEBUG
+	const char* orig_p = p;
+#endif
+
+	ZixStrindexNode* n = t->root;
 	size_t           child_i;
 
 	*match = NULL;
diff --git a/test/sorted_array_test.c b/test/sorted_array_test.c
index 3b0a090..b235753 100644
--- a/test/sorted_array_test.c
+++ b/test/sorted_array_test.c
@@ -34,8 +34,8 @@ unsigned seed = 1;
 static int
 int_cmp(const void* a, const void* b, void* user_data)
 {
-	const intptr_t ia = *(intptr_t*)a;
-	const intptr_t ib = *(intptr_t*)b;
+	const intptr_t ia = *(const intptr_t*)a;
+	const intptr_t ib = *(const intptr_t*)b;
 	return ia - ib;
 }
 
@@ -54,7 +54,7 @@ ith_elem(int test_num, unsigned n_elems, int i)
 }
 
 static int
-test_fail()
+test_fail(void)
 {
 	return EXIT_FAILURE;
 }
@@ -121,8 +121,8 @@ stress(int test_num, unsigned n_elems)
 	srand(seed);
 
 	// Delete all elements
-	for (unsigned i = 0; i < n_elems; i++) {
-		r = ith_elem(test_num, n_elems, i);
+	for (unsigned e = 0; e < n_elems; e++) {
+		r = ith_elem(test_num, n_elems, e);
 		ZixSortedArrayIter item;
 		if (zix_sorted_array_find(t, &r, &item) != ZIX_STATUS_SUCCESS) {
 			fprintf(stderr, "Failed to find item to remove\n");
diff --git a/test/tree_test.c b/test/tree_test.c
index 6f25f6c..5eb5a11 100644
--- a/test/tree_test.c
+++ b/test/tree_test.c
@@ -53,7 +53,7 @@ ith_elem(int test_num, size_t n_elems, int i)
 }
 
 static int
-test_fail()
+test_fail(void)
 {
 	return EXIT_FAILURE;
 }
@@ -144,8 +144,8 @@ stress(int test_num, size_t n_elems)
 	srand(seed);
 
 	// Delete all elements
-	for (size_t i = 0; i < n_elems; i++) {
-		r = ith_elem(test_num, n_elems, i);
+	for (size_t e = 0; e < n_elems; e++) {
+		r = ith_elem(test_num, n_elems, e);
 		ZixTreeIter* item;
 		if (zix_tree_find(t, (void*)r, &item) != ZIX_STATUS_SUCCESS) {
 			fprintf(stderr, "Failed to find item to remove\n");
@@ -165,8 +165,8 @@ stress(int test_num, size_t n_elems)
 	srand(seed);
 
 	// Insert n_elems elements again (to test non-empty destruction)
-	for (size_t i = 0; i < n_elems; ++i) {
-		r = ith_elem(test_num, n_elems, i);
+	for (size_t e = 0; e < n_elems; ++e) {
+		r = ith_elem(test_num, n_elems, e);
 		int status = zix_tree_insert(t, (void*)r, &ti);
 		if (status) {
 			fprintf(stderr, "Insert failed\n");