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Fix warning about sprintf() and NSTAT_HIST 

The environment variable could contain format characters, causing
problems. Better to just use it directly.
This commit is contained in:
Stephen Hemminger 2009-12-26 10:21:13 -08:00
parent 985f4578c6
commit 896ebd6c70
1 changed files with 4 additions and 4 deletions
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8
misc/nstat.c
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@ -445,7 +445,7 @@ static void usage(void)
int main(int argc, char *argv[])
{
char hist_name[128];
char *hist_name;
struct sockaddr_un sun;
FILE *hist_fp = NULL;
int ch;
@ -526,10 +526,10 @@ int main(int argc, char *argv[])
patterns = argv;
npatterns = argc;
if (getenv("NSTAT_HISTORY"))
snprintf(hist_name, sizeof(hist_name), getenv("NSTAT_HISTORY"));
else
if ((hist_name = getenv("NSTAT_HISTORY")) == NULL) {
hist_name = malloc(128);
sprintf(hist_name, "/tmp/.nstat.u%d", getuid());
}
if (reset_history)
unlink(hist_name);