e43ada2e00
The current capacity and usage numbers are insufficient to figure out actual bytes available for a non-root user for the fs. Available is the value used by df and the one we need to track to detect low diskspace condition.
35 lines
709 B
C
35 lines
709 B
C
// +build cgo
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#include <sys/statvfs.h>
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int getBytesFree(const char *path, unsigned long long *bytes) {
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struct statvfs buf;
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int res;
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if ((res = statvfs(path, &buf)) && res != 0) {
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return -1;
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}
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*bytes = buf.f_frsize * buf.f_bfree;
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return 0;
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}
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int getBytesTotal(const char *path, unsigned long long *bytes) {
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struct statvfs buf;
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int res;
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if ((res = statvfs(path, &buf)) && res != 0) {
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return -1;
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}
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*bytes = buf.f_frsize * buf.f_blocks;
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return 0;
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}
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// Bytes available to non-root.
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int getBytesAvail(const char *path, unsigned long long *bytes) {
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struct statvfs buf;
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int res;
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if ((res = statvfs(path, &buf)) && res != 0) {
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return -1;
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}
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*bytes = buf.f_frsize * buf.f_bavail;
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return 0;
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}
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