static int open_outfile(int fnum, int cpu, int remove_file)
{
char buf[PATH_MAX];
time_t t;
if (!outfile_name) {
_err("-S is set without -o. Please file a bug report.\n");
return -1;
}
time(&t);
if (fnum_max) {
if (remove_file) {
/* remove oldest file */
if (make_outfile_name(buf, PATH_MAX, fnum - fnum_max,
cpu, read_backlog(cpu, fnum - fnum_max),
bulkmode) < 0)
return -1;
remove(buf); /* don't care */
}
write_backlog(cpu, fnum, t);
}
if (make_outfile_name(buf, PATH_MAX, fnum, cpu, t, bulkmode) < 0)
return -1;
out_fd[cpu] = open (buf, O_CREAT|O_TRUNC|O_WRONLY, 0666);
if (out_fd[cpu] < 0) {
perr("Couldn't open output file %s", buf);
return -1;
}
if (set_clexec(out_fd[cpu]) < 0)
return -1;
return 0;
}
static int open_oldoutfile(int fnum, int cpu, int remove_file)
{
char buf[PATH_MAX];
time_t t;
if (outfile_name) {
time(&t);
if (fnum_max) {
if (remove_file) {
/* remove oldest file */
if (make_outfile_name(buf, PATH_MAX,
fnum - fnum_max, cpu,
read_backlog(cpu, fnum - fnum_max),
bulkmode) < 0)
return -1;
remove(buf); /* don't care */
}
write_backlog(cpu, fnum, t);
}
if (make_outfile_name(buf, PATH_MAX, fnum, cpu, t, bulkmode) < 0)
return -1;
} else if (bulkmode) {
if (sprintf_chk(buf, "stpd_cpu%d.%d", cpu, fnum))
return -1;
} else { /* stream mode */
percpu_tmpfile[cpu] = stdout;
return 0;
}
if((percpu_tmpfile[cpu] = fopen(buf, "w+")) == NULL) {
perr("Couldn't open output file %s", buf);
return -1;
}
out_fd[cpu] = fileno(percpu_tmpfile[cpu]);
if (set_clexec(out_fd[cpu]) < 0) {
perr("Couldn't clear exec bit of open output file %s", buf);
return -1;
}
return 0;
}