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Use correct rt_link_statistics

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In recent kernels, net_device_stats is not exposed and the code
shoulf have used rt_link_statistics.  Also, fix use of sprintf
with user supplied value.
This commit is contained in:
Stephen Hemminger 2010-08-23 09:13:05 -07:00
parent b0373bfbbc
commit daf7bd5c73
1 changed files with 7 additions and 4 deletions
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11
misc/ifstat.c
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@ -29,7 +29,8 @@
#include <getopt.h>
#include <libnetlink.h>
#include <linux/netdevice.h>
#include <linux/if.h>
#include <linux/if_link.h>
#include <SNAPSHOT.h>
@ -48,7 +49,7 @@ int npatterns;
char info_source[128];
int source_mismatch;
#define MAXS (sizeof(struct net_device_stats)/sizeof(unsigned long))
#define MAXS (sizeof(struct rtnl_link_stats)/sizeof(unsigned long))
struct ifstat_ent
{
@ -677,9 +678,11 @@ int main(int argc, char *argv[])
npatterns = argc;
if (getenv("IFSTAT_HISTORY"))
snprintf(hist_name, sizeof(hist_name), getenv("IFSTAT_HISTORY"));
snprintf(hist_name, sizeof(hist_name),
"%s", getenv("IFSTAT_HISTORY"));
else
sprintf(hist_name, "%s/.ifstat.u%d", P_tmpdir, getuid());
snprintf(hist_name, sizeof(hist_name),
"%s/.ifstat.u%d", P_tmpdir, getuid());
if (reset_history)
unlink(hist_name);