lib:charset: Add utility functions reinit_iconv_handle() and free_iconv_handle(void)

Not yet used. Will enable us to make global_iconv_handle private.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>

2 files changed, 23 insertions, 0 deletions

diff --git a/lib/util/charset/charset.h b/lib/util/charset/charset.h
index ca7a4377455..750071491f0 100644
--- a/lib/util/charset/charset.h
+++ b/lib/util/charset/charset.h
@@ -170,6 +170,11 @@ struct smb_iconv_handle *get_iconv_testing_handle(TALLOC_CTX *mem_ctx,
 						  const char *dos_charset, 
 						  const char *unix_charset,
 						  bool use_builtin_handlers);
+struct smb_iconv_handle *reinit_iconv_handle(TALLOC_CTX *mem_ctx,
+				const char *dos_charset,
+				const char *unix_charset);
+void free_iconv_handle(void);
+
 smb_iconv_t get_conv_handle(struct smb_iconv_handle *ic,
 			    charset_t from, charset_t to);
 const char *charset_name(struct smb_iconv_handle *ic, charset_t ch);
diff --git a/lib/util/charset/codepoints.c b/lib/util/charset/codepoints.c
index cfb0b27fcc1..358ae3b1cbf 100644
--- a/lib/util/charset/codepoints.c
+++ b/lib/util/charset/codepoints.c
@@ -16521,6 +16521,24 @@ struct smb_iconv_handle *get_iconv_testing_handle(TALLOC_CTX *mem_ctx,
 				       dos_charset, unix_charset, use_builtin_handlers, NULL);
 }
 
+struct smb_iconv_handle *reinit_iconv_handle(TALLOC_CTX *mem_ctx,
+				const char *dos_charset,
+				const char *unix_charset)
+{
+	global_iconv_handle =
+		smb_iconv_handle_reinit(mem_ctx,
+					dos_charset,
+					unix_charset,
+					true,
+					global_iconv_handle);
+	return global_iconv_handle;
+}
+
+void free_iconv_handle(void)
+{
+	TALLOC_FREE(global_iconv_handle);
+}
+
 /**
  * Return the name of a charset to give to iconv().
  **/