compat/disk.h

   1 #ifndef COMPAT_DISK_H
   2 #define COMPAT_DISK_H
   3
   4 #include "git-compat-util.h"
   5
   6 static int get_disk_info(struct strbuf *out)
   7 {
   8         struct strbuf buf = STRBUF_INIT;
   9         int res = 0;
  10
  11 #ifdef GIT_WINDOWS_NATIVE
  12         char volume_name[MAX_PATH], fs_name[MAX_PATH];
  13         DWORD serial_number, component_length, flags;
  14         ULARGE_INTEGER avail2caller, total, avail;
  15
  16         strbuf_realpath(&buf, ".", 1);
  17         if (!GetDiskFreeSpaceExA(buf.buf, &avail2caller, &total, &avail)) {
  18                 error(_("could not determine free disk size for '%s'"),
  19                       buf.buf);
  20                 res = -1;
  21                 goto cleanup;
  22         }
  23
  24         strbuf_setlen(&buf, offset_1st_component(buf.buf));
  25         if (!GetVolumeInformationA(buf.buf, volume_name, sizeof(volume_name),
  26                                    &serial_number, &component_length, &flags,
  27                                    fs_name, sizeof(fs_name))) {
  28                 error(_("could not get info for '%s'"), buf.buf);
  29                 res = -1;
  30                 goto cleanup;
  31         }
  32         strbuf_addf(out, "Available space on '%s': ", buf.buf);
  33         strbuf_humanise_bytes(out, avail2caller.QuadPart);
  34         strbuf_addch(out, '\n');
  35 #else
  36         struct statvfs stat;
  37
  38         strbuf_realpath(&buf, ".", 1);
  39         if (statvfs(buf.buf, &stat) < 0) {
  40                 error_errno(_("could not determine free disk size for '%s'"),
  41                             buf.buf);
  42                 res = -1;
  43                 goto cleanup;
  44         }
  45
  46         strbuf_addf(out, "Available space on '%s': ", buf.buf);
  47         strbuf_humanise_bytes(out, (off_t)stat.f_bsize * (off_t)stat.f_bavail);
  48         strbuf_addf(out, " (mount flags 0x%lx)\n", stat.f_flag);
  49 #endif
  50
  51 cleanup:
  52         strbuf_release(&buf);
  53         return res;
  54 }
  55
  56 #endif /* COMPAT_DISK_H */