diff options
| -rw-r--r-- | man/journal-enumerate-fields.c | 21 | ||||
| -rw-r--r-- | man/journal-iterate-foreach.c | 29 | ||||
| -rw-r--r-- | man/journal-stream-fd.c | 28 | ||||
| -rw-r--r-- | man/sd_journal_enumerate_fields.xml | 21 | ||||
| -rw-r--r-- | man/sd_journal_next.xml | 29 | ||||
| -rw-r--r-- | man/sd_journal_stream_fd.xml | 28 |
6 files changed, 81 insertions, 75 deletions
diff --git a/man/journal-enumerate-fields.c b/man/journal-enumerate-fields.c new file mode 100644 index 0000000000..8a35785440 --- /dev/null +++ b/man/journal-enumerate-fields.c @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: CC0-1.0 */ + +#include <stdio.h> +#include <string.h> +#include <systemd/sd-journal.h> + +int main(int argc, char *argv[]) { + sd_journal *j; + const char *field; + int r; + + r = sd_journal_open(&j, SD_JOURNAL_LOCAL_ONLY); + if (r < 0) { + fprintf(stderr, "Failed to open journal: %s\n", strerror(-r)); + return 1; + } + SD_JOURNAL_FOREACH_FIELD(j, field) + printf("%s\n", field); + sd_journal_close(j); + return 0; +} diff --git a/man/journal-iterate-foreach.c b/man/journal-iterate-foreach.c new file mode 100644 index 0000000000..ae53d467ed --- /dev/null +++ b/man/journal-iterate-foreach.c @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: CC0-1.0 */ + +#include <stdio.h> +#include <string.h> +#include <systemd/sd-journal.h> + +int main(int argc, char *argv[]) { + int r; + sd_journal *j; + r = sd_journal_open(&j, SD_JOURNAL_LOCAL_ONLY); + if (r < 0) { + fprintf(stderr, "Failed to open journal: %s\n", strerror(-r)); + return 1; + } + SD_JOURNAL_FOREACH(j) { + const char *d; + size_t l; + + r = sd_journal_get_data(j, "MESSAGE", (const void **)&d, &l); + if (r < 0) { + fprintf(stderr, "Failed to read message field: %s\n", strerror(-r)); + continue; + } + + printf("%.*s\n", (int) l, d); + } + sd_journal_close(j); + return 0; +} diff --git a/man/journal-stream-fd.c b/man/journal-stream-fd.c new file mode 100644 index 0000000000..6bc5582189 --- /dev/null +++ b/man/journal-stream-fd.c @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: CC0-1.0 */ + +#include <syslog.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> +#include <systemd/sd-journal.h> +#include <systemd/sd-daemon.h> + +int main(int argc, char *argv[]) { + int fd; + FILE *log; + fd = sd_journal_stream_fd("test", LOG_INFO, 1); + if (fd < 0) { + fprintf(stderr, "Failed to create stream fd: %s\n", strerror(-fd)); + return 1; + } + log = fdopen(fd, "w"); + if (!log) { + fprintf(stderr, "Failed to create file object: %m\n"); + close(fd); + return 1; + } + fprintf(log, "Hello World!\n"); + fprintf(log, SD_WARNING "This is a warning!\n"); + fclose(log); + return 0; +} diff --git a/man/sd_journal_enumerate_fields.xml b/man/sd_journal_enumerate_fields.xml index e074906980..2d8055ec89 100644 --- a/man/sd_journal_enumerate_fields.xml +++ b/man/sd_journal_enumerate_fields.xml @@ -94,26 +94,7 @@ <para>Use the <function>SD_JOURNAL_FOREACH_FIELD()</function> macro to iterate through all field names in use in the current journal.</para> - <programlisting>#include <stdio.h> -#include <string.h> -#include <systemd/sd-journal.h> - -int main(int argc, char *argv[]) { - sd_journal *j; - const char *field; - int r; - - r = sd_journal_open(&j, SD_JOURNAL_LOCAL_ONLY); - if (r < 0) { - fprintf(stderr, "Failed to open journal: %s\n", strerror(-r)); - return 1; - } - SD_JOURNAL_FOREACH_FIELD(j, field) - printf("%s\n", field); - sd_journal_close(j); - return 0; -}</programlisting> - + <programlisting><xi:include href="journal-enumerate-fields.c" parse="text" /></programlisting> </refsect1> <refsect1> diff --git a/man/sd_journal_next.xml b/man/sd_journal_next.xml index e0f0a04974..628abb296c 100644 --- a/man/sd_journal_next.xml +++ b/man/sd_journal_next.xml @@ -129,34 +129,7 @@ <para>Iterating through the journal:</para> - <programlisting>#include <stdio.h> -#include <string.h> -#include <systemd/sd-journal.h> - -int main(int argc, char *argv[]) { - int r; - sd_journal *j; - r = sd_journal_open(&j, SD_JOURNAL_LOCAL_ONLY); - if (r < 0) { - fprintf(stderr, "Failed to open journal: %s\n", strerror(-r)); - return 1; - } - SD_JOURNAL_FOREACH(j) { - const char *d; - size_t l; - - r = sd_journal_get_data(j, "MESSAGE", (const void **)&d, &l); - if (r < 0) { - fprintf(stderr, "Failed to read message field: %s\n", strerror(-r)); - continue; - } - - printf("%.*s\n", (int) l, d); - } - sd_journal_close(j); - return 0; -}</programlisting> - + <programlisting><xi:include href="journal-iterate-foreach.c" parse="text" /></programlisting> </refsect1> <refsect1> diff --git a/man/sd_journal_stream_fd.xml b/man/sd_journal_stream_fd.xml index af2234e77d..40d2804121 100644 --- a/man/sd_journal_stream_fd.xml +++ b/man/sd_journal_stream_fd.xml @@ -100,33 +100,7 @@ <para>Creating a log stream suitable for <citerefentry project='man-pages'><refentrytitle>fprintf</refentrytitle><manvolnum>3</manvolnum></citerefentry>:</para> - <programlisting>#include <syslog.h> -#include <stdio.h> -#include <string.h> -#include <unistd.h> -#include <systemd/sd-journal.h> -#include <systemd/sd-daemon.h> - -int main(int argc, char *argv[]) { - int fd; - FILE *log; - fd = sd_journal_stream_fd("test", LOG_INFO, 1); - if (fd < 0) { - fprintf(stderr, "Failed to create stream fd: %s\n", strerror(-fd)); - return 1; - } - log = fdopen(fd, "w"); - if (!log) { - fprintf(stderr, "Failed to create file object: %m\n"); - close(fd); - return 1; - } - fprintf(log, "Hello World!\n"); - fprintf(log, SD_WARNING "This is a warning!\n"); - fclose(log); - return 0; -}</programlisting> - + <programlisting><xi:include href="journal-stream-fd.c" parse="text" /></programlisting> </refsect1> <refsect1> |