Clean-up: format using remaining buffer len rather than total len

[lttng-tools.git] / src / common / trace-chunk.c

diff --git a/src/common/trace-chunk.c b/src/common/trace-chunk.c
index 40e612800a5c8e6dd31442593d27e94eea81fbbc..f7a4372b42df11140e0d9ced34c15d60ff6534fd 100644 (file)
--- a/src/common/trace-chunk.c
+++ b/src/common/trace-chunk.c
@@ -165,8 +165,9 @@ char *generate_chunk_name(uint64_t chunk_id, time_t creation_timestamp,
 {
        int ret = 0;
        char *new_name= NULL;
-       char start_datetime[sizeof("YYYYmmddTHHMMSS+HHMM")] = {};
-       char end_datetime_suffix[sizeof("-YYYYmmddTHHMMSS+HHMM")] = {};
+       char start_datetime[ISO8601_STR_LEN] = {};
+       /* Add 1 for a '-' prefix. */
+       char end_datetime_suffix[ISO8601_STR_LEN + 1] = {};
 
        ret = time_to_iso8601_str(
                        creation_timestamp,
@@ -180,7 +181,7 @@ char *generate_chunk_name(uint64_t chunk_id, time_t creation_timestamp,
                ret = time_to_iso8601_str(
                                *close_timestamp,
                                end_datetime_suffix + 1,
-                               sizeof(end_datetime_suffix));
+                               sizeof(end_datetime_suffix) - 1);
                if (ret) {
                        ERR("Failed to format trace chunk end date time");
                        goto error;
@@ -656,7 +657,7 @@ int add_top_level_directory_unique(struct lttng_trace_chunk *chunk,
        }
 
        if (!found) {
-               char *copy = strndup(new_path, new_path_top_level_len);
+               char *copy = lttng_strndup(new_path, new_path_top_level_len);
 
                DBG("Adding new top-level directory \"%s\" to trace chunk \"%s\"",
                                new_path, chunk->name ? : "(unnamed)");
@@ -1096,7 +1097,7 @@ end:
        return registry;
 error:
        lttng_trace_chunk_registry_destroy(registry);
-       goto end;
+       return NULL;
 }
 
 LTTNG_HIDDEN