NAME

       sd_journal_has_runtime_files, sd_journal_has_persistent_files - Query availability of runtime or
       persistent journal 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.

NOTES

       All functions listed here are thread-agnostic and only a single thread may operate on a given sd_journal
       object.

       Functions listed here are available as a shared library, which can be compiled and linked to with the
       libsystemd pkg-config(1) file.

SEE ALSO

       sd-journal(3)

systemd 237                                                                      SD_JOURNAL_HAS_RUNTIME_FILES(3)