Adding upstream version 1:10.11.6.upstream/1%10.11.6upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 75 insertions, 0 deletions

diff --git a/include/providers/snappy-c.h b/include/providers/snappy-c.h
new file mode 100644
index 00000000..afc6aef2
--- /dev/null
+++ b/include/providers/snappy-c.h
@@ -0,0 +1,75 @@
+/**
+  @file snappy-c.h
+  This service provides dynamic access to Snappy as a C header.
+*/
+
+#ifndef SNAPPY_C_INCLUDED
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef MYSQL_ABI_CHECK
+#include <stddef.h>
+#include <stdbool.h>
+#endif
+
+#ifndef MYSQL_DYNAMIC_PLUGIN
+#define provider_service_snappy provider_service_snappy_static
+#endif
+
+#ifndef SNAPPY_C
+typedef enum
+{
+  SNAPPY_OK                 = 0,
+  SNAPPY_INVALID_INPUT      = 1,
+  SNAPPY_BUFFER_TOO_SMALL   = 2
+} snappy_status;
+
+#define snappy_max_compressed_length(...) provider_service_snappy->snappy_max_compressed_length_ptr (__VA_ARGS__)
+#define snappy_compress(...)              provider_service_snappy->snappy_compress_ptr              (__VA_ARGS__)
+#define snappy_uncompressed_length(...)   provider_service_snappy->snappy_uncompressed_length_ptr   (__VA_ARGS__)
+#define snappy_uncompress(...)            provider_service_snappy->snappy_uncompress_ptr            (__VA_ARGS__)
+#endif
+
+#define DEFINE_snappy_max_compressed_length(NAME) NAME( \
+    size_t source_length                                \
+)
+
+#define DEFINE_snappy_compress(NAME) NAME( \
+    const char *input,                     \
+    size_t input_length,                   \
+    char *compressed,                      \
+    size_t *compressed_length              \
+)
+
+#define DEFINE_snappy_uncompressed_length(NAME) NAME( \
+    const char *compressed,                           \
+    size_t compressed_length,                         \
+    size_t *result                                    \
+)
+
+#define DEFINE_snappy_uncompress(NAME) NAME(  \
+    const char *compressed,                   \
+    size_t compressed_length,                 \
+    char *uncompressed,                       \
+    size_t *uncompressed_length               \
+)
+
+struct provider_service_snappy_st
+{
+  size_t DEFINE_snappy_max_compressed_length((*snappy_max_compressed_length_ptr));
+  snappy_status DEFINE_snappy_compress((*snappy_compress_ptr));
+  snappy_status DEFINE_snappy_uncompressed_length((*snappy_uncompressed_length_ptr));
+  snappy_status DEFINE_snappy_uncompress((*snappy_uncompress_ptr));
+
+  bool is_loaded;
+};
+
+extern struct provider_service_snappy_st *provider_service_snappy;
+
+#ifdef __cplusplus
+}
+#endif
+
+#define SNAPPY_C_INCLUDED
+#endif