From dd6de448709ef8d5d38a284b2a9ab2d83a8a7bd0 Mon Sep 17 00:00:00 2001
From: shermp <14854761+shermp@users.noreply.github.com>
Date: Mon, 10 Jun 2019 09:01:44 +1200
Subject: [PATCH] Make 'file_is_vhd' function public

---
 src/minivhd.h        |  1 +
 src/minivhd_manage.c | 22 +++++++++++-----------
 2 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/src/minivhd.h b/src/minivhd.h
index 3178a93..49f3b91 100644
--- a/src/minivhd.h
+++ b/src/minivhd.h
@@ -40,6 +40,7 @@ struct MVHDMeta {
     int (*format_sectors)(MVHDMeta* vhdm, int offset, int num_sectors);
 };
 
+bool mvhd_file_is_vhd(FILE* f);
 MVHDMeta* mvhd_open(const char* path, int* err);
 MVHDMeta* mvhd_create_fixed(const char* path, MVHDGeom geom, int* err);
 MVHDMeta* mvhd_create_sparse(const char* path, MVHDGeom geom, int* err);
diff --git a/src/minivhd_manage.c b/src/minivhd_manage.c
index c43079f..b926364 100644
--- a/src/minivhd_manage.c
+++ b/src/minivhd_manage.c
@@ -20,17 +20,6 @@ static bool mvhd_sparse_checksum_valid(MVHDMeta* vhdm);
 static MVHDBlock* mvhd_read_bat(MVHDMeta *vhdm, MVHDError* err);
 static void mvhd_calc_sparse_values(MVHDMeta* vhdm);
 
-static bool mvhd_file_is_vhd(FILE* f) {
-    if (f) {
-        uint8_t con_str[8];
-        fseeko64(f, -MVHD_FOOTER_SIZE, SEEK_END);
-        fread(con_str, sizeof con_str, 1, f);
-        return mvhd_is_conectix_str(con_str);
-    } else {
-        return false;
-    }
-}
-
 static void mvhd_read_footer(MVHDMeta* vhdm) {
     uint8_t buffer[MVHD_FOOTER_SIZE];
     fseeko64(vhdm->f, -MVHD_FOOTER_SIZE, SEEK_END);
@@ -114,6 +103,17 @@ static void mvhd_assign_io_funcs(MVHDMeta* vhdm) {
     }
 }
 
+bool mvhd_file_is_vhd(FILE* f) {
+    if (f) {
+        uint8_t con_str[8];
+        fseeko64(f, -MVHD_FOOTER_SIZE, SEEK_END);
+        fread(con_str, sizeof con_str, 1, f);
+        return mvhd_is_conectix_str(con_str);
+    } else {
+        return false;
+    }
+}
+
 MVHDGeom mvhd_calculate_geometry(int size_mb, int* new_size) {
     MVHDGeom chs;
     uint32_t ts = ((uint64_t)size_mb * 1024 * 1024) / MVHD_SECTOR_SIZE;