diff options
| -rw-r--r-- | src/core/lib/iomgr/sockaddr_utils.c | 4 | ||||
| -rw-r--r-- | src/core/lib/slice/slice.c | 6 | ||||
| -rw-r--r-- | src/core/lib/transport/pid_controller.c | 1 |
3 files changed, 8 insertions, 3 deletions
diff --git a/src/core/lib/iomgr/sockaddr_utils.c b/src/core/lib/iomgr/sockaddr_utils.c index 9d2732666b..a6a4cac3e2 100644 --- a/src/core/lib/iomgr/sockaddr_utils.c +++ b/src/core/lib/iomgr/sockaddr_utils.c @@ -55,7 +55,9 @@ int grpc_sockaddr_is_v4mapped(const grpc_resolved_address *resolved_addr, GPR_ASSERT(resolved_addr != resolved_addr4_out); const struct sockaddr *addr = (const struct sockaddr *)resolved_addr->addr; struct sockaddr_in *addr4_out = - (struct sockaddr_in *)resolved_addr4_out->addr; + resolved_addr4_out == NULL + ? NULL + : (struct sockaddr_in *)resolved_addr4_out->addr; if (addr->sa_family == AF_INET6) { const struct sockaddr_in6 *addr6 = (const struct sockaddr_in6 *)addr; if (memcmp(addr6->sin6_addr.s6_addr, kV4MappedPrefix, diff --git a/src/core/lib/slice/slice.c b/src/core/lib/slice/slice.c index 1cddf062cd..a2fcbbdbdf 100644 --- a/src/core/lib/slice/slice.c +++ b/src/core/lib/slice/slice.c @@ -197,6 +197,7 @@ grpc_slice grpc_slice_new_with_len(void *p, size_t len, } grpc_slice grpc_slice_from_copied_buffer(const char *source, size_t length) { + if (length == 0) return grpc_empty_slice(); grpc_slice slice = grpc_slice_malloc(length); memcpy(GRPC_SLICE_START_PTR(slice), source, length); return slice; @@ -382,8 +383,9 @@ grpc_slice grpc_slice_split_head(grpc_slice *source, size_t split) { } int grpc_slice_default_eq_impl(grpc_slice a, grpc_slice b) { - return GRPC_SLICE_LENGTH(a) == GRPC_SLICE_LENGTH(b) && - 0 == memcmp(GRPC_SLICE_START_PTR(a), GRPC_SLICE_START_PTR(b), + if (GRPC_SLICE_LENGTH(a) != GRPC_SLICE_LENGTH(b)) return false; + if (GRPC_SLICE_LENGTH(a) == 0) return true; + return 0 == memcmp(GRPC_SLICE_START_PTR(a), GRPC_SLICE_START_PTR(b), GRPC_SLICE_LENGTH(a)); } diff --git a/src/core/lib/transport/pid_controller.c b/src/core/lib/transport/pid_controller.c index 19cb1c0b36..c851564201 100644 --- a/src/core/lib/transport/pid_controller.c +++ b/src/core/lib/transport/pid_controller.c @@ -49,6 +49,7 @@ void grpc_pid_controller_reset(grpc_pid_controller *pid_controller) { double grpc_pid_controller_update(grpc_pid_controller *pid_controller, double error, double dt) { + if (dt == 0) return pid_controller->last_control_value; /* integrate error using the trapezoid rule */ pid_controller->error_integral += dt * (pid_controller->last_error + error) * 0.5; |