From ed5c5dbde1575d74c87ae9856fe61268d7ae8f4b Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Sun, 14 Apr 2013 17:43:59 +0200 Subject: util: introduce alloca0() and use it at a number of places --- src/libsystemd-bus/bus-control.c | 7 ++----- src/libsystemd-bus/bus-kernel.c | 3 +-- 2 files changed, 3 insertions(+), 7 deletions(-) (limited to 'src/libsystemd-bus') diff --git a/src/libsystemd-bus/bus-control.c b/src/libsystemd-bus/bus-control.c index 5296029fd6..e980bfc740 100644 --- a/src/libsystemd-bus/bus-control.c +++ b/src/libsystemd-bus/bus-control.c @@ -66,10 +66,9 @@ int sd_bus_request_name(sd_bus *bus, const char *name, int flags) { size_t l; l = strlen(name); - n = alloca(offsetof(struct kdbus_cmd_name, name) + l + 1); + n = alloca0(offsetof(struct kdbus_cmd_name, name) + l + 1); n->size = offsetof(struct kdbus_cmd_name, name) + l + 1; n->name_flags = flags; - n->id = 0; memcpy(n->name, name, l+1); #ifdef HAVE_VALGRIND_MEMCHECK_H @@ -121,10 +120,8 @@ int sd_bus_release_name(sd_bus *bus, const char *name) { size_t l; l = strlen(name); - n = alloca(offsetof(struct kdbus_cmd_name, name) + l + 1); + n = alloca0(offsetof(struct kdbus_cmd_name, name) + l + 1); n->size = offsetof(struct kdbus_cmd_name, name) + l + 1; - n->name_flags = 0; - n->id = 0; memcpy(n->name, name, l+1); #ifdef HAVE_VALGRIND_MEMCHECK_H diff --git a/src/libsystemd-bus/bus-kernel.c b/src/libsystemd-bus/bus-kernel.c index b2d98c05d7..264c6994d9 100644 --- a/src/libsystemd-bus/bus-kernel.c +++ b/src/libsystemd-bus/bus-kernel.c @@ -474,8 +474,7 @@ int bus_kernel_create(const char *name, char **s) { return -errno; l = strlen(name); - make = alloca(offsetof(struct kdbus_cmd_bus_make, name) + DECIMAL_STR_MAX(uid_t) + 1 + l + 1); - memset(make, 0, offsetof(struct kdbus_cmd_bus_make, name)); + make = alloca0(offsetof(struct kdbus_cmd_bus_make, name) + DECIMAL_STR_MAX(uid_t) + 1 + l + 1); sprintf(make->name, "%lu-%s", (unsigned long) getuid(), name); make->size = offsetof(struct kdbus_cmd_bus_make, name) + strlen(make->name) + 1; make->flags = KDBUS_ACCESS_WORLD | KDBUS_POLICY_OPEN; -- cgit v1.2.3-54-g00ecf