(rarchDB) Fix some warnings

rarchdb/bintree.c

@@ -4,7 +4,9 @@
 
 #include "bintree.h"
 
+#if 0
 static int NIL_VALUE = 1;
+#endif
 static void* NIL_NODE = &NIL_NODE;
 
 static struct bintree_node *new_nil_node(struct bintree_node *parent);

rarchdb/rarchdb_endian.h

@@ -4,16 +4,21 @@
 #include <stdint.h>
 #include <retro_endianness.h>
 
+#ifndef swap16
 #define swap16(val)				\
 	((((uint16_t)(val) & 0x00ff) << 8)	\
 	 | (((uint16_t)(val) & 0xff00) >> 8))
+#endif
 
+#ifndef swap32
 #define swap32(val)					\
 	((((uint32_t)(val) & 0x000000ff) << 24)		\
 	 | (((uint32_t)(val) & 0x0000ff00) << 8)	\
 	 | (((uint32_t)(val) & 0x00ff0000) >> 8)	\
 	 | (((uint32_t)(val) & 0xff000000) >> 24))
+#endif
 
+#ifndef swap64
 #define swap64(val)						\
 	((((uint64_t)(val) & 0x00000000000000ffULL) << 56)	\
 		 | (((uint64_t)(val) & 0x000000000000ff00ULL) << 40)	\
@@ -23,6 +28,7 @@
 		 | (((uint64_t)(val) & 0x0000ff0000000000ULL) >> 24)	\
 		 | (((uint64_t)(val) & 0x00ff000000000000ULL) >> 40)	\
 		 | (((uint64_t)(val) & 0xff00000000000000ULL) >> 56))
+#endif
 
 
 #define httobe64(x) (is_little_endian() ? swap64(x) : (x))

rarchdb/rmsgpack.c

@@ -368,7 +368,7 @@ static int read_int(int fd, int64_t *out, size_t size)
 
 static int read_buff(int fd, size_t size, char** pbuff, uint64_t *len)
 {
-   uint64_t tmp_len;
+   uint64_t tmp_len = 0;
    if(read_uint(fd, &tmp_len, size) == -1)
       return -errno;
 
@@ -426,7 +426,7 @@ int rmsgpack_read(int fd, struct rmsgpack_read_callbacks *callbacks, void *data)
    uint64_t tmp_uint = 0;
    int64_t tmp_int = 0;
    uint8_t type = 0;
-   char* buff;
+   char* buff = NULL;
    if (read(fd, &type, sizeof(uint8_t)) == -1)
       return -errno;