Changes for C to C++. Adding extern C to header files for compatibility.

5 files changed, 45 insertions, 5 deletions

diff --git a/src/core/lib/slice/b64.h b/src/core/lib/slice/b64.h
index 3fd15febe5..c01da56575 100644
--- a/src/core/lib/slice/b64.h
+++ b/src/core/lib/slice/b64.h
@@ -21,6 +21,10 @@
 
 #include <grpc/slice.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* Encodes data using base64. It is the caller's responsability to free
    the returned char * using gpr_free. Returns NULL on NULL input.
    TODO(makdharma) : change the flags to bool from int */
@@ -47,4 +51,8 @@ grpc_slice grpc_base64_decode(grpc_exec_ctx *exec_ctx, const char *b64,
 grpc_slice grpc_base64_decode_with_len(grpc_exec_ctx *exec_ctx, const char *b64,
                                        size_t b64_len, int url_safe);
 
-#endif /* GRPC_CORE_LIB_SLICE_B64_H */
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GRPC_CORE_LIB_SLICE_B64_H */
\ No newline at end of file
diff --git a/src/core/lib/slice/percent_encoding.h b/src/core/lib/slice/percent_encoding.h
index faae26a683..e6f85120c3 100644
--- a/src/core/lib/slice/percent_encoding.h
+++ b/src/core/lib/slice/percent_encoding.h
@@ -30,6 +30,10 @@
 
 #include <grpc/slice.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* URL percent encoding spec bitfield (usabel as 'unreserved_bytes' in
    grpc_percent_encode_slice, grpc_strict_percent_decode_slice).
    Flags [A-Za-z0-9-_.~] as unreserved bytes for the percent encoding routines
@@ -60,4 +64,8 @@ bool grpc_strict_percent_decode_slice(grpc_slice slice_in,
    This cannot fail. */
 grpc_slice grpc_permissive_percent_decode_slice(grpc_slice slice_in);
 
-#endif /* GRPC_CORE_LIB_SLICE_PERCENT_ENCODING_H */
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GRPC_CORE_LIB_SLICE_PERCENT_ENCODING_H */
\ No newline at end of file
diff --git a/src/core/lib/slice/slice_hash_table.h b/src/core/lib/slice/slice_hash_table.h
index 339078fef5..3c3f0e61f3 100644
--- a/src/core/lib/slice/slice_hash_table.h
+++ b/src/core/lib/slice/slice_hash_table.h
@@ -19,6 +19,10 @@
 
 #include "src/core/lib/transport/metadata.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /** Hash table implementation.
  *
  * This implementation uses open addressing
@@ -67,4 +71,8 @@ void *grpc_slice_hash_table_get(const grpc_slice_hash_table *table,
 int grpc_slice_hash_table_cmp(const grpc_slice_hash_table *a,
                               const grpc_slice_hash_table *b);
 
-#endif /* GRPC_CORE_LIB_SLICE_SLICE_HASH_TABLE_H */
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GRPC_CORE_LIB_SLICE_SLICE_HASH_TABLE_H */
\ No newline at end of file
diff --git a/src/core/lib/slice/slice_internal.h b/src/core/lib/slice/slice_internal.h
index 6df0b4b50b..8591185c53 100644
--- a/src/core/lib/slice/slice_internal.h
+++ b/src/core/lib/slice/slice_internal.h
@@ -24,6 +24,10 @@
 
 #include "src/core/lib/iomgr/exec_ctx.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 grpc_slice grpc_slice_ref_internal(grpc_slice slice);
 void grpc_slice_unref_internal(grpc_exec_ctx *exec_ctx, grpc_slice slice);
 void grpc_slice_buffer_reset_and_unref_internal(grpc_exec_ctx *exec_ctx,
@@ -46,4 +50,8 @@ grpc_slice grpc_slice_maybe_static_intern(grpc_slice slice,
 uint32_t grpc_static_slice_hash(grpc_slice s);
 int grpc_static_slice_eq(grpc_slice a, grpc_slice b);
 
-#endif /* GRPC_CORE_LIB_SLICE_SLICE_INTERNAL_H */
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GRPC_CORE_LIB_SLICE_SLICE_INTERNAL_H */
\ No newline at end of file
diff --git a/src/core/lib/slice/slice_traits.h b/src/core/lib/slice/slice_traits.h
index 4b898bdcd4..1eda17cf00 100644
--- a/src/core/lib/slice/slice_traits.h
+++ b/src/core/lib/slice/slice_traits.h
@@ -22,8 +22,16 @@
 #include <grpc/slice.h>
 #include <stdbool.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 bool grpc_slice_is_legal_header(grpc_slice s);
 bool grpc_slice_is_legal_nonbin_header(grpc_slice s);
 bool grpc_slice_is_bin_suffixed(grpc_slice s);
 
-#endif /* GRPC_CORE_LIB_SLICE_SLICE_TRAITS_H */
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GRPC_CORE_LIB_SLICE_SLICE_TRAITS_H */
\ No newline at end of file