64 lines
1.4 KiB
C
64 lines
1.4 KiB
C
#include <sys/statvfs.h>
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#include <sys/statfs.h>
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#include "syscall.h"
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static int __statfs(const char *path, struct statfs *buf)
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{
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*buf = (struct statfs){0};
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#ifdef SYS_statfs64
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return syscall(SYS_statfs64, path, sizeof *buf, buf);
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#else
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return syscall(SYS_statfs, path, buf);
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#endif
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}
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static int __fstatfs(int fd, struct statfs *buf)
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{
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*buf = (struct statfs){0};
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#ifdef SYS_fstatfs64
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return syscall(SYS_fstatfs64, fd, sizeof *buf, buf);
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#else
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return syscall(SYS_fstatfs, fd, buf);
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#endif
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}
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weak_alias(__statfs, statfs);
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weak_alias(__fstatfs, fstatfs);
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static void fixup(struct statvfs *out, const struct statfs *in)
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{
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*out = (struct statvfs){0};
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out->f_bsize = in->f_bsize;
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out->f_frsize = in->f_frsize ? in->f_frsize : in->f_bsize;
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out->f_blocks = in->f_blocks;
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out->f_bfree = in->f_bfree;
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out->f_bavail = in->f_bavail;
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out->f_files = in->f_files;
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out->f_ffree = in->f_ffree;
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out->f_favail = in->f_ffree;
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out->f_fsid = in->f_fsid.__val[0];
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out->f_flag = in->f_flags;
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out->f_namemax = in->f_namelen;
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}
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int statvfs(const char *restrict path, struct statvfs *restrict buf)
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{
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struct statfs kbuf;
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if (__statfs(path, &kbuf)<0) return -1;
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fixup(buf, &kbuf);
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return 0;
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}
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int fstatvfs(int fd, struct statvfs *buf)
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{
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struct statfs kbuf;
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if (__fstatfs(fd, &kbuf)<0) return -1;
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fixup(buf, &kbuf);
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return 0;
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}
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weak_alias(statvfs, statvfs64);
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weak_alias(statfs, statfs64);
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weak_alias(fstatvfs, fstatvfs64);
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weak_alias(fstatfs, fstatfs64);
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