fix: HaikuOS support

Author: Dax89

include/redasm/support/byteorder.h

@@ -2,13 +2,25 @@
 
 #include <redasm/config.h>
 
-#if !defined(_WIN32)
+#if defined(__HAIKU__)
+#include <endian.h>
+#elif !defined(_WIN32)
 #include <sys/param.h>
+#else
+#error "byteorder: unsupported platform"
 #endif
 
 #if defined(_WIN32) // Windows is always little-endian
 #define RD_IS_LITTLE_ENDIAN 1
 #define RD_IS_BIG_ENDIAN 0
+#elif defined(__HAIKU__)
+#if BYTE_ORDER == BIG_ENDIAN
+#define RD_IS_LITTLE_ENDIAN 0
+#define RD_IS_BIG_ENDIAN 1
+#else
+#define RD_IS_LITTLE_ENDIAN 1
+#define RD_IS_BIG_ENDIAN 0
+#endif
 #elif defined(__BYTE_ORDER)
 #if defined(__BIG_ENDIAN) && (__BYTE_ORDER == __BIG_ENDIAN)
 #define RD_IS_LITTLE_ENDIAN 0

src/support/utils.c

@@ -32,7 +32,7 @@ static const char* _rd_get_temp_path(void) {
     DWORD len = GetTempPath(MAX_PATH, tmp);
     if(len == 0 || len > MAX_PATH) return NULL;
     return tmp;
-#elif defined(__unix__) || defined(__APPLE__)
+#elif defined(__unix__) || defined(__APPLE__) || defined(__HAIKU__)
     const char* const CANDIDATES[] = {
         getenv("TMPDIR"), getenv("TEMP"), getenv("TMP"), P_tmpdir, "/tmp",
     };