sd_journal_has_persistent_files(3) Query availability of runtime or persistent journal files.

Other Alias

sd_journal_has_runtime_files

SYNOPSIS


#include <systemd/sd-journal.h>

int sd_journal_has_runtime_files(sd_journal *j);
int sd_journal_has_persistent_files(sd_journal *j);

DESCRIPTION

sd_journal_has_runtime_files()

returns a positive value if runtime journal files (present in /run/systemd/journal/) have been found. Otherwise returns 0.

sd_journal_has_persistent_files() returns a positive value if persistent journal files (present in /var/log/journal/) have been found. Otherwise returns 0.

RETURN VALUE

Both sd_journal_has_runtime_files() and sd_journal_has_persistent_files() return -EINVAL if their argument is NULL.

SEE ALSO

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