getvfsstat.cpp
738 Bytes
// RUN: %clangxx -O0 -g %s -o %t && %run %t 2>&1 | FileCheck %s
#include <sys/types.h>
#include <sys/statvfs.h>
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
int main(void) {
printf("getvfsstat\n");
int rv = getvfsstat(NULL, 0, ST_WAIT);
assert(rv != -1);
size_t sz = rv * sizeof(struct statvfs);
struct statvfs *buf = (struct statvfs *)malloc(sz);
assert(buf);
rv = getvfsstat(buf, sz, ST_WAIT);
assert(rv != -1);
for (int i = 0; i < rv; i++) {
printf("Filesystem %d\n", i);
printf("\tfstypename=%s\n", buf[i].f_fstypename);
printf("\tmntonname=%s\n", buf[i].f_mntonname);
printf("\tmntfromname=%s\n", buf[i].f_mntfromname);
}
free(buf);
// CHECK: getvfsstat
return 0;
}