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#include <sys/statvfs.h>
#include <sys/statfs.h>
#include "syscall.h"
static int __statfs(const char *path, struct statfs *buf)
{
*buf = (struct statfs){0};
#ifdef SYS_statfs64
return syscall(SYS_statfs64, path, sizeof *buf, buf);
#else
return syscall(SYS_statfs, path, buf);
#endif
}
static int __fstatfs(int fd, struct statfs *buf)
{
*buf = (struct statfs){0};
#ifdef SYS_fstatfs64
return syscall(SYS_fstatfs64, fd, sizeof *buf, buf);
#else
return syscall(SYS_fstatfs, fd, buf);
#endif
}
weak_alias(__statfs, statfs);
weak_alias(__fstatfs, fstatfs);
static void fixup(struct statvfs *out, const struct statfs *in)
{
*out = (struct statvfs){0};
out->f_bsize = in->f_bsize;
out->f_frsize = in->f_frsize ? in->f_frsize : in->f_bsize;
out->f_blocks = in->f_blocks;
out->f_bfree = in->f_bfree;
out->f_bavail = in->f_bavail;
out->f_files = in->f_files;
out->f_ffree = in->f_ffree;
out->f_favail = in->f_ffree;
out->f_fsid = in->f_fsid.__val[0];
out->f_flag = in->f_flags;
out->f_namemax = in->f_namelen;
}
int statvfs(const char *restrict path, struct statvfs *restrict buf)
{
struct statfs kbuf;
if (__statfs(path, &kbuf)<0) return -1;
fixup(buf, &kbuf);
return 0;
}
int fstatvfs(int fd, struct statvfs *buf)
{
struct statfs kbuf;
if (__fstatfs(fd, &kbuf)<0) return -1;
fixup(buf, &kbuf);
return 0;
}
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