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virHostCPUGetStatsLinux: Avoid 'strcpy'

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Use an allocated buffer for 'cpu_header' so that g_strdup(_printf) can
be used to fill it.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Peter Krempa 2021-03-03 11:14:33 +01:00
parent 14a4f7cbf2
commit 4851a99ee0
1 changed files with 3 additions and 3 deletions
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6
src/util/virhostcpu.c
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@ -787,7 +787,7 @@ virHostCPUGetStatsLinux(FILE *procstat,
char line[1024];
unsigned long long usr, ni, sys, idle, iowait;
unsigned long long irq, softirq, steal, guest, guest_nice;
char cpu_header[4 + VIR_INT64_STR_BUFLEN];
g_autofree char *cpu_header = NULL;
if ((*nparams) == 0) {
/* Current number of cpu stats supported by linux */
@ -803,9 +803,9 @@ virHostCPUGetStatsLinux(FILE *procstat,
}
if (cpuNum == VIR_NODE_CPU_STATS_ALL_CPUS) {
strcpy(cpu_header, "cpu ");
cpu_header = g_strdup("cpu ");
} else {
g_snprintf(cpu_header, sizeof(cpu_header), "cpu%d ", cpuNum);
cpu_header = g_strdup_printf("cpu%d ", cpuNum);
}
while (fgets(line, sizeof(line), procstat) != NULL) {