Ok, when != -1

diff --git a/trace_file.cpp b/trace_file.cpp
index e92eb754898e4569e6a98c750b941ea0235a4aa2..4bba837c74062e2695b28ddf3dca4fa3fa210488 100644 (file)
--- a/trace_file.cpp
+++ b/trace_file.cpp
@@ -112,12 +112,12 @@ bool ZLibFile::rawOpen(const std::string &filename, File::Mode mode)
 
 bool ZLibFile::rawWrite(const void *buffer, int length)
 {
-    return gzwrite(m_gzFile, buffer, length);
+    return gzwrite(m_gzFile, buffer, length) != -1;
 }
 
 bool ZLibFile::rawRead(void *buffer, int length)
 {
-    return gzread(m_gzFile, buffer, length);
+    return gzread(m_gzFile, buffer, length) != -1;
 }
 
 char ZLibFile::rawGetc()