Fix: allow empty CTF files

[babeltrace.git] / formats / ctf / ctf.c

diff --git a/formats/ctf/ctf.c b/formats/ctf/ctf.c
index 58b5488920d006e71aafe96b764e5f49ec7c5b6d..40da01da2d57619d1257fc42a4666923afaaeaa2 100644 (file)
--- a/formats/ctf/ctf.c
+++ b/formats/ctf/ctf.c
@@ -1964,6 +1964,11 @@ int ctf_open_file_stream_read(struct ctf_trace *td, const char *path, int flags,
                ret = 0;
                goto fd_is_dir_ok;
        }
+       if (!statbuf.st_size) {
+               /** Skip empty files. */
+               ret = 0;
+               goto fd_is_empty_file;
+       }
 
        file_stream = g_new0(struct ctf_file_stream, 1);
        file_stream->pos.last_offset = LAST_OFFSET_POISON;
@@ -1998,6 +2003,7 @@ int ctf_open_file_stream_read(struct ctf_trace *td, const char *path, int flags,
        index_name = malloc((strlen(path) + sizeof(INDEX_PATH)) * sizeof(char));
        if (!index_name) {
                fprintf(stderr, "[error] Cannot allocate index filename\n");
+               ret = -ENOMEM;
                goto error_def;
        }
        snprintf(index_name, strlen(path) + sizeof(INDEX_PATH),
@@ -2056,6 +2062,7 @@ error_def:
                fprintf(stderr, "Error on ctf_fini_pos\n");
        }
        g_free(file_stream);
+fd_is_empty_file:
 fd_is_dir_ok:
 fstat_error:
        closeret = close(fd);