Message ID | 20170824095150.5469-5-phil@nwl.cc |
---|---|
State | Accepted, archived |
Delegated to: | stephen hemminger |
Headers | show |
diff --git a/misc/lnstat_util.c b/misc/lnstat_util.c index cc54598fe1bef..ec19238c24b94 100644 --- a/misc/lnstat_util.c +++ b/misc/lnstat_util.c @@ -180,11 +180,8 @@ static struct lnstat_file *alloc_and_open(const char *path, const char *file) } /* initialize */ - /* de->d_name is guaranteed to be <= NAME_MAX */ - strcpy(lf->basename, file); - strcpy(lf->path, path); - strcat(lf->path, "/"); - strcat(lf->path, lf->basename); + snprintf(lf->basename, sizeof(lf->basename), "%s", file); + snprintf(lf->path, sizeof(lf->path), "%s/%s", path, file); /* initialize to default */ lf->interval.tv_sec = 1;
Relying upon callers and using unsafe strcpy() is probably not the best idea. Aside from that, using snprintf() allows to format the string for lf->path in one go. Signed-off-by: Phil Sutter <phil@nwl.cc> --- misc/lnstat_util.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-)