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Switch from mega to giga when showing large disk/card sizes

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Also made our use of 1024-based prefixes explicit by using MiB/GiB.
This commit is contained in:
Maarten ter Huurne 2013-08-05 02:02:04 +02:00
parent d46d8275ae
commit 903ccc2cfe
1 changed files with 12 additions and 7 deletions
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17
src/gmenu2x.cpp
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@ -1413,18 +1413,23 @@ void GMenu2X::setClock(unsigned mhz) {
#endif
string GMenu2X::getDiskFree(const char *path) {
stringstream ss;
string df = "";
struct statvfs b;
int ret = statvfs(path, &b);
if (ret == 0) {
// Make sure that the multiplication happens in 64 bits.
unsigned long long free =
((unsigned long long)b.f_bfree * b.f_bsize) / 1048576;
unsigned long long total =
((unsigned long long)b.f_blocks * b.f_frsize) / 1048576;
ss << free << "/" << total << "MB";
unsigned long freeMiB =
((unsigned long long)b.f_bfree * b.f_bsize) / (1024 * 1024);
unsigned long totalMiB =
((unsigned long long)b.f_blocks * b.f_frsize) / (1024 * 1024);
stringstream ss;
if (totalMiB >= 10000) {
ss << (freeMiB / 1024) << "." << ((freeMiB % 1024) * 10) / 1024 << "/"
<< (totalMiB / 1024) << "." << ((totalMiB % 1024) * 10) / 1024 << "GiB";
} else {
ss << freeMiB << "/" << totalMiB << "MiB";
}
ss >> df;
} else WARNING("statvfs failed with error '%s'.\n", strerror(errno));
return df;