Place a marker where result stopped matching expected

diff --git a/src/bin/unit_test_attribute.c b/src/bin/unit_test_attribute.c
index d4f4419f85ea65e1919a956d06e90d36a7b44b38..6b6cd08ec57705be8b9cb999543cee03f9a76d6e 100644 (file)
--- a/src/bin/unit_test_attribute.c
+++ b/src/bin/unit_test_attribute.c
@@ -812,21 +812,22 @@ static void command_parse(TALLOC_CTX *ctx, char *input, char *output, size_t out
        snprintf(output, outlen, "Unknown command '%s'", input);
 }
 
+
 static int process_file(TALLOC_CTX *ctx, CONF_SECTION *features,
                        fr_dict_t *dict, const char *root_dir, char const *filename)
 {
-       int             lineno;
-       size_t          i, outlen;
-       ssize_t         len, data_len;
-       FILE            *fp;
-       char            input[8192], buffer[8192];
-       char            output[8192];
-       char            directory[8192];
-       uint8_t         *attr, data[2048];
-       TALLOC_CTX      *tp_ctx = talloc_named_const(ctx, 0, "tp_ctx");
-       fr_dict_t       *proto_dict = NULL;
-
-       bool            encode_error = false;           //!< Whether the last encode errored.
+       int                     lineno;
+       size_t                  i, outlen;
+       ssize_t                 len, data_len;
+       FILE                    *fp;
+       char                    input[8192], buffer[8192];
+       char                    output[8192];
+       char                    directory[8192];
+       uint8_t                 *attr, data[2048];
+       TALLOC_CTX              *tp_ctx = talloc_named_const(ctx, 0, "tp_ctx");
+       fr_dict_t               *proto_dict = NULL;
+
+       bool                    encode_error = false;           //!< Whether the last encode errored.
 
 #define CLEAR_TEST_POINT \
 do { \
@@ -908,6 +909,8 @@ do { \
                strlcpy(test_type, p, (q - p) + 1);
 
                if (strcmp(test_type, "data") == 0) {
+                       char *spaces;
+
                        encode_error = false;   /* Clear the encode error if we're doing a comparison */
 
                        /*
@@ -933,8 +936,11 @@ do { \
                                        b++;
                                }
 
-                               fprintf(stderr, "\tdiffer at %zd\n\tgot      ... %s\n\texpected ... %s\n",
-                                       (b - output), b, a);
+                               spaces = talloc_array(NULL, char, (b - output) + 1);
+                               memset(spaces, ' ', (b - output));
+                               spaces[(b - output)] = '\0';
+                               fprintf(stderr, "\t           %s^ differs here\n", spaces, b, a);
+                               talloc_free(spaces);
 
                                goto error;
                        }