DragonFly BSD support

Unix/ventoy_unix_src/DragonFly/vtutil.h

@@ -0,0 +1,33 @@
+
+#ifndef __UTIL_H__
+#define __UTIL_H__
+
+extern int boot_verbose;
+#define vdebug(fmt, ...) if (boot_verbose) { printf(fmt, ##__VA_ARGS__); usleep(500000); }
+#define verror printf
+
+
+#pragma pack(4)
+typedef struct ventoy_image_desc
+{
+    uint64_t disk_size;
+    uint64_t part1_size;
+    uint8_t  disk_uuid[16];
+    uint8_t  disk_signature[4];
+    uint32_t img_chunk_count;
+    /* ventoy_img_chunk list */
+}ventoy_image_desc;
+
+typedef struct ventoy_img_chunk
+{
+    uint32_t img_start_sector; // sector size: 2KB
+    uint32_t img_end_sector;   // included
+
+    uint64_t disk_start_sector; // in disk_sector_size
+    uint64_t disk_end_sector;   // included
+}ventoy_img_chunk;
+#pragma pack()
+
+
+#endif
+