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libsystemd-network: use xsprintf in one more place

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DECIMAL_STR_MAX includes space for NUL, so we don't need 2 here.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2019-01-10 16:13:06 +01:00
parent 7e8bd58eb1
commit 29cf0ff823
1 changed files with 3 additions and 2 deletions
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5
src/libsystemd-network/dhcp-identifier.c
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@ -11,6 +11,7 @@
#include "network-internal.h"
#include "siphash24.h"
#include "sparse-endian.h"
#include "stdio-util.h"
#include "virt.h"
#define SYSTEMD_PEN 43793
@ -169,10 +170,10 @@ int dhcp_identifier_set_iaid(
if (detect_container() <= 0) {
/* not in a container, udev will be around */
char ifindex_str[2 + DECIMAL_STR_MAX(int)];
char ifindex_str[1 + DECIMAL_STR_MAX(int)];
int r;
sprintf(ifindex_str, "n%d", ifindex);
xsprintf(ifindex_str, "n%d", ifindex);
if (sd_device_new_from_device_id(&device, ifindex_str) >= 0) {
r = sd_device_get_is_initialized(device);
if (r < 0)