diff options
| -rw-r--r-- | util/ifdtool/ifdtool.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/util/ifdtool/ifdtool.c b/util/ifdtool/ifdtool.c index 0425b1cd49..deef1b1fee 100644 --- a/util/ifdtool/ifdtool.c +++ b/util/ifdtool/ifdtool.c @@ -552,7 +552,8 @@ static void write_image(char *filename, char *image, int size) char new_filename[FILENAME_MAX]; // allow long file names int new_fd; - strncpy(new_filename, filename, FILENAME_MAX); + // - 5: leave room for ".new\0" + strncpy(new_filename, filename, FILENAME_MAX - 5); strncat(new_filename, ".new", FILENAME_MAX - strlen(filename)); printf("Writing new image to %s\n", new_filename); |