From f0c5e28e58215682c832e1667b346b59c804f6a5 Mon Sep 17 00:00:00 2001 From: Daniel Mack Date: Sun, 28 Sep 2014 21:19:22 +0200 Subject: [PATCH] sd-bus: clean up string length calculation Move the +1 calculus onto the definition of the variable, just to make the code a little easier to read. No functional change. --- src/libsystemd/sd-bus/bus-control.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/src/libsystemd/sd-bus/bus-control.c b/src/libsystemd/sd-bus/bus-control.c index b22f4c4ff..4ad44469b 100644 --- a/src/libsystemd/sd-bus/bus-control.c +++ b/src/libsystemd/sd-bus/bus-control.c @@ -58,15 +58,15 @@ static int bus_request_name_kernel(sd_bus *bus, const char *name, uint64_t flags assert(bus); assert(name); - l = strlen(name); - size = offsetof(struct kdbus_cmd_name, items) + KDBUS_ITEM_SIZE(l + 1); + l = strlen(name) + 1; + size = offsetof(struct kdbus_cmd_name, items) + KDBUS_ITEM_SIZE(l); n = alloca0_align(size, 8); n->size = size; kdbus_translate_request_name_flags(flags, (uint64_t *) &n->flags); - n->items[0].size = KDBUS_ITEM_HEADER_SIZE + l + 1; + n->items[0].size = KDBUS_ITEM_HEADER_SIZE + l; n->items[0].type = KDBUS_ITEM_NAME; - memcpy(n->items[0].str, name, l+1); + memcpy(n->items[0].str, name, l); #ifdef HAVE_VALGRIND_MEMCHECK_H VALGRIND_MAKE_MEM_DEFINED(n, n->size); @@ -153,14 +153,14 @@ static int bus_release_name_kernel(sd_bus *bus, const char *name) { assert(bus); assert(name); - l = strlen(name); - size = offsetof(struct kdbus_cmd_name, items) + KDBUS_ITEM_SIZE(l + 1); + l = strlen(name) + 1; + size = offsetof(struct kdbus_cmd_name, items) + KDBUS_ITEM_SIZE(l); n = alloca0_align(size, 8); n->size = size; - n->items[0].size = KDBUS_ITEM_HEADER_SIZE + l + 1; + n->items[0].size = KDBUS_ITEM_HEADER_SIZE + l; n->items[0].type = KDBUS_ITEM_NAME; - memcpy(n->items[0].str, name, l+1); + memcpy(n->items[0].str, name, l); #ifdef HAVE_VALGRIND_MEMCHECK_H VALGRIND_MAKE_MEM_DEFINED(n, n->size); -- 2.30.2