1 files changed, 25 insertions, 0 deletions

diff --git a/src/StringCompression.h b/src/StringCompression.h
new file mode 100644
index 000000000..8afdf59e0
--- /dev/null
+++ b/src/StringCompression.h
@@ -0,0 +1,25 @@
+
+// StringCompression.h
+
+// Interfaces to the wrapping functions for compression and decompression using AString as their data
+
+#include "zlib.h"  // Needed for the Z_XXX return values
+
+
+
+
+
+/// Compresses a_Data into a_Compressed using ZLIB; returns Z_XXX error constants same as zlib's compress2()
+extern int CompressString(const char * a_Data, int a_Length, AString & a_Compressed);
+
+/// Uncompresses a_Data into a_Uncompressed; returns Z_XXX error constants same as zlib's decompress()
+extern int UncompressString(const char * a_Data, int a_Length, AString & a_Uncompressed, int a_UncompressedSize);
+
+/// Compresses a_Data into a_Compressed using GZIP; returns Z_OK for success or Z_XXX error constants same as zlib
+extern int CompressStringGZIP(const char * a_Data, int a_Length, AString & a_Compressed);
+
+/// Uncompresses a_Data into a_Uncompressed using GZIP; returns Z_OK for success or Z_XXX error constants same as zlib
+extern int UncompressStringGZIP(const char * a_Data, int a_Length, AString & a_Uncompressed);
+
+
+