Denton Liu <liu.denton@xxxxxxxxx> writes: > Hi Shourya, > > It looks good to me except for one tiny nit: > > On Fri, May 08, 2020 at 11:51:36AM +0530, Shourya Shukla wrote: >> Convert submodule subcommand 'set-url' to a builtin. Port 'set-url' to >> 'submodule--helper.c' and call the latter via 'git-submodule.sh'. >> >> Signed-off-by: Shourya Shukla <shouryashukla.oo@xxxxxxxxx> >> --- >> builtin/submodule--helper.c | 37 +++++++++++++++++++++++++++++++++++++ >> git-submodule.sh | 22 +--------------------- >> 2 files changed, 38 insertions(+), 21 deletions(-) >> >> diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c >> index 1a4b391c88..8bc7b4cfa6 100644 >> --- a/builtin/submodule--helper.c >> +++ b/builtin/submodule--helper.c >> @@ -2246,6 +2246,42 @@ static int module_config(int argc, const char **argv, const char *prefix) >> usage_with_options(git_submodule_helper_usage, module_config_options); >> } >> >> +static int module_set_url(int argc, const char **argv, const char *prefix) >> +{ >> + int quiet = 0; >> + const char *newurl; >> + const char *path; >> + char* config_name; > > The asterisk should be stuck with the name, not the type, similar to how > you wrote it above. Right. >> + >> + struct option options[] = { >> + OPT__QUIET(&quiet, N_("Suppress output for setting url of a submodule")), >> + OPT_END() >> + }; >> + const char *const usage[] = { >> + N_("git submodule--helper set-url [--quiet] <path> <newurl>"), >> + NULL >> + }; >> + >> + argc = parse_options(argc, argv, prefix, options, usage, 0); >> + >> + path = argv[0]; >> + newurl = argv[1]; >> + >> + if (argc != 2 || !path || !newurl) { Checking argc at this point is too late to protect against the potential out-of-bounds access we have already made to argv[0] and argv[1].