Even for srclen == 0 we have to return something

This fixes a regression reported by Corinna Vinschen <corinna@vinschen.de>

Thanks,

Volker

1 files changed, 6 insertions, 0 deletions

diff --git a/source3/lib/charcnv.c b/source3/lib/charcnv.c
index 3ec3220900..c3b345142f 100644
--- a/source3/lib/charcnv.c
+++ b/source3/lib/charcnv.c
@@ -547,6 +547,12 @@ bool convert_string_allocate(TALLOC_CTX *ctx, charset_t from, charset_t to,
 		return false;
 	}
 	if (srclen == 0) {
+		ob = ((ctx != NULL) ? talloc_strdup(ctx, "") : SMB_STRDUP(""));
+		if (ob == NULL) {
+			errno = ENOMEM;
+			return false;
+		}
+		*dest = ob;
 		*converted_size = 0;
 		return true;
 	}