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29c45dc434
This way it's much easier to test that the code compiles without issues. It's also easier to edit the code. Indentation in one of the examples is reduced to two spaces. This is what we use in man pages to make them fit on screen better.
30 lines
639 B
C
30 lines
639 B
C
/* SPDX-License-Identifier: CC0-1.0 */
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#include <stdio.h>
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#include <string.h>
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#include <systemd/sd-journal.h>
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int main(int argc, char *argv[]) {
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int r;
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sd_journal *j;
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r = sd_journal_open(&j, SD_JOURNAL_LOCAL_ONLY);
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if (r < 0) {
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fprintf(stderr, "Failed to open journal: %s\n", strerror(-r));
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return 1;
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}
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SD_JOURNAL_FOREACH(j) {
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const char *d;
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size_t l;
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r = sd_journal_get_data(j, "MESSAGE", (const void **)&d, &l);
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if (r < 0) {
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fprintf(stderr, "Failed to read message field: %s\n", strerror(-r));
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continue;
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}
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printf("%.*s\n", (int) l, d);
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}
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sd_journal_close(j);
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return 0;
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}
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