1 | #include <sys/statvfs.h>
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2 | #include <sys/statfs.h>
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3 | #include "syscall.h"
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4 | #include "libc.h"
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5 |
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6 | int __statfs(const char *path, struct statfs *buf)
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7 | {
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8 | *buf = (struct statfs){0};
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9 | #ifdef SYS_statfs64
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10 | return syscall(SYS_statfs64, path, sizeof *buf, buf);
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11 | #else
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12 | return syscall(SYS_statfs, path, buf);
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13 | #endif
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14 | }
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15 |
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16 | int __fstatfs(int fd, struct statfs *buf)
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17 | {
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18 | *buf = (struct statfs){0};
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19 | #ifdef SYS_fstatfs64
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20 | return syscall(SYS_fstatfs64, fd, sizeof *buf, buf);
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21 | #else
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22 | return syscall(SYS_fstatfs, fd, buf);
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23 | #endif
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24 | }
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25 |
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26 | weak_alias(__statfs, statfs);
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27 | weak_alias(__fstatfs, fstatfs);
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28 |
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29 | static void fixup(struct statvfs *out, const struct statfs *in)
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30 | {
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31 | *out = (struct statvfs){0};
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32 | out->f_bsize = in->f_bsize;
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33 | out->f_frsize = in->f_frsize ? in->f_frsize : in->f_bsize;
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34 | out->f_blocks = in->f_blocks;
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35 | out->f_bfree = in->f_bfree;
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36 | out->f_bavail = in->f_bavail;
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37 | out->f_files = in->f_files;
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38 | out->f_ffree = in->f_ffree;
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39 | out->f_favail = in->f_ffree;
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40 | out->f_fsid = in->f_fsid.__val[0];
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41 | out->f_flag = in->f_flags;
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42 | out->f_namemax = in->f_namelen;
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43 | }
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44 |
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45 | int statvfs(const char *restrict path, struct statvfs *restrict buf)
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46 | {
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47 | struct statfs kbuf;
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48 | if (__statfs(path, &kbuf)<0) return -1;
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49 | fixup(buf, &kbuf);
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50 | return 0;
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51 | }
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52 |
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53 | int fstatvfs(int fd, struct statvfs *buf)
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54 | {
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55 | struct statfs kbuf;
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56 | if (__fstatfs(fd, &kbuf)<0) return -1;
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57 | fixup(buf, &kbuf);
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58 | return 0;
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59 | }
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60 |
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61 | LFS64(statvfs);
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62 | LFS64(statfs);
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63 | LFS64(fstatvfs);
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64 | LFS64(fstatfs);
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