Fix off_t ambiguity

Author: TheAssassin

CMakeLists.txt

@@ -52,7 +52,7 @@ else()
     function(import_zsync2)
         FetchContent_Declare(zsync2
             GIT_REPOSITORY https://github.com/AppImageCommunity/zsync2
-            GIT_TAG 2.0.0-alpha-1-20250925
+            GIT_TAG 2.0.0-alpha-1-20250926
         )
         FetchContent_MakeAvailable(zsync2)
     endfunction()

include/appimage/update.h

@@ -106,7 +106,7 @@ namespace appimage::update {
         static std::string signatureValidationMessage(const ValidationState& state);
 
         // Returns the size of the remote file in bytes
-        bool remoteFileSize(off_t& fileSize) const;
+        bool remoteFileSize(long long& fileSize) const;
 
         // Return update information
         // If no custom update information is set, the function returns the raw update information contained in the

src/cli/main.cpp

@@ -211,7 +211,7 @@ int main(const int argc, const char** argv) {
         if (!updater.progress(progress))
             return 1;
 
-        off_t fileSize = 0;
+        long long fileSize = 0;
         if (!updater.remoteFileSize(fileSize))
             fileSize = -1;
 

src/updater/updater.cpp

@@ -376,7 +376,7 @@ namespace appimage::update {
         return false;
     }
 
-    bool Updater::remoteFileSize(off_t& fileSize) const {
+    bool Updater::remoteFileSize(long long& fileSize) const {
         // only available update method is via ZSync
         if (d->zSyncClient != nullptr)
             return d->zSyncClient->remoteFileSize(fileSize);