SD_JOURNAL_GET_USAGE(3)

  .SH "NAME" sd_journal_get_usage - Journal disk usage
  .SH "SYNOPSIS"

#include <systemd/sd-journal.h>

      .HP u int sd_journal_get_usage(sd_journal *j, uint64_t *bytes);

  .SH "DESCRIPTION"

    .PP sd_journal_get_usage() determines the total disk space currently used by journal files (in bytes). If SD_JOURNAL_LOCAL_ONLY was passed when opening the journal, this value will only reflect the size of journal files of the local host, otherwise of all hosts.

  .SH "RETURN VALUE"

    .PP sd_journal_get_usage() returns 0 on success or a negative errno-style error code.

  .SH "NOTES"

    .PP All functions listed here are thread-agnostic and only a single thread may operate on a given sd_journal object.
    .PP The sd_journal_get_usage() interface is available as a shared library, which can be compiled and linked to with the libsystemd pkg-config(1) file.

  .SH "SEE ALSO"

    .PP systemd(1), sd-journal(3), sd_journal_open(3),