cmdline: fix completion in some conditions (partial token len > 1)

Signed-off-by: Olivier Matz <zer0@droids-corp.org>

diff --git a/src/lib/cmdline_parse.c b/src/lib/cmdline_parse.c
index c056833..18ea76e 100644 (file)
--- a/src/lib/cmdline_parse.c
+++ b/src/lib/cmdline_parse.c
@@ -693,8 +693,8 @@ cmdline_complete(cmdline_parse_ctx_t *ctx, const char *buf,
                if (completion_len >= dstsize)
                        completion_len = dstsize - 1;
                strncpy(dst, completion_buf + preparse.comp_tok_len,
-                       completion_len);
-               dst[completion_len] = '\0';
+                       completion_len - preparse.comp_tok_len);
+               dst[completion_len - preparse.comp_tok_len] = '\0';
                return CMDLINE_COMPLETE_APPEND;
        }