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-rw-r--r--src/util/system.cpp6
-rw-r--r--src/util/system.h8
2 files changed, 14 insertions, 0 deletions
diff --git a/src/util/system.cpp b/src/util/system.cpp
index b0a538b527..5921378a76 100644
--- a/src/util/system.cpp
+++ b/src/util/system.cpp
@@ -141,6 +141,12 @@ bool CheckDiskSpace(const fs::path& dir, uint64_t additional_bytes)
return free_bytes_available >= min_disk_space + additional_bytes;
}
+std::streampos GetFileSize(const char* path, std::streamsize max) {
+ std::ifstream file(path, std::ios::binary);
+ file.ignore(max);
+ return file.gcount();
+}
+
/**
* Interpret a string argument as a boolean.
*
diff --git a/src/util/system.h b/src/util/system.h
index 3138522b5c..61fd611aca 100644
--- a/src/util/system.h
+++ b/src/util/system.h
@@ -63,6 +63,14 @@ void UnlockDirectory(const fs::path& directory, const std::string& lockfile_name
bool DirIsWritable(const fs::path& directory);
bool CheckDiskSpace(const fs::path& dir, uint64_t additional_bytes = 0);
+/** Get the size of a file by scanning it.
+ *
+ * @param[in] path The file path
+ * @param[in] max Stop seeking beyond this limit
+ * @return The file size or max
+ */
+std::streampos GetFileSize(const char* path, std::streamsize max = std::numeric_limits<std::streamsize>::max());
+
/** Release all directory locks. This is used for unit testing only, at runtime
* the global destructor will take care of the locks.
*/