Implement initial test prog, and fix header

src/minivhd.h

@@ -24,7 +24,7 @@ typedef struct MVHDMeta {
     char* filename;
     MVHDFooter footer;
     MVHDSparseHeader sparse;
-    MVHDMeta* parent;
+    struct MVHDMeta* parent;
 } MVHDMeta;
 
 MVHDMeta* mvhd_open(const char* path, int* err);

src/minivhd_internal.h

@@ -53,11 +53,6 @@ typedef struct MVHDSparseHeader
         uint8_t reserved_2[256];
 } MVHDSparseHeader;
 
-const char MVHD_CONECTIX_COOKIE[] = "conectix";
-const char MVHD_CREATOR[] = "pcem";
-const char MVHD_CREATOR_HOST_OS[] = "Wi2k";
-const char MVHD_CXSPARSE_COOKIE[] = "cxsparse";
-
 bool mvhd_is_conectix_str(const void* buffer);
 void mvhd_buffer_to_footer(MVHDFooter* footer, uint8_t* buffer);
 void mvhd_buffer_to_header(MVHDSparseHeader* header, uint8_t* buffer);

src/minivhd_util.c

@@ -3,6 +3,11 @@
 #include "minivhd_internal.h"
 //#include "minivhd.h"
 
+const char MVHD_CONECTIX_COOKIE[] = "conectix";
+const char MVHD_CREATOR[] = "pcem";
+const char MVHD_CREATOR_HOST_OS[] = "Wi2k";
+const char MVHD_CXSPARSE_COOKIE[] = "cxsparse";
+
 bool mvhd_is_conectix_str(const void* buffer) {
     if (strncmp(buffer, MVHD_CONECTIX_COOKIE, strlen(MVHD_CONECTIX_COOKIE)) == 0) {
         return true;

test_program/minivhd_test.c

@@ -9,4 +9,5 @@ int main(int argc, char* argv[]) {
     char* path = argv[1];
     int err;
     MVHDMeta* vhdm = mvhd_open(path, &err);
+    return 0;
 }