1SD_JOURNAL_HAS_RUNTIME_FILsEdS_(j3o)urnal_has_runtime_SfDi_lJeOsURNAL_HAS_RUNTIME_FILES(3)
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NAME

6       sd_journal_has_runtime_files, sd_journal_has_persistent_files - Query
7       availability of runtime or persistent journal files.
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SYNOPSIS

10       #include <systemd/sd-journal.h>
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12       int sd_journal_has_runtime_files(sd_journal *j);
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14       int sd_journal_has_persistent_files(sd_journal *j);
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DESCRIPTION

17       sd_journal_has_runtime_files() returns a positive value if runtime
18       journal files (present in /run/systemd/journal/) have been found.
19       Otherwise returns 0.
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21       sd_journal_has_persistent_files() returns a positive value if
22       persistent journal files (present in /var/log/journal/) have been
23       found. Otherwise returns 0.
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RETURN VALUE

26       Both sd_journal_has_runtime_files() and
27       sd_journal_has_persistent_files() return -EINVAL if their argument is
28       NULL.
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NOTES

31       All functions listed here are thread-agnostic and only a single thread
32       may operate on a given sd_journal object.
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34       These APIs are implemented as a shared library, which can be compiled
35       and linked to with the libsystemd pkg-config(1) file.
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SEE ALSO

38       sd-journal(3)
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42systemd 239                                    SD_JOURNAL_HAS_RUNTIME_FILES(3)