QB_LOG_FROM_EXTERNAL_SOURCE(3)

NAME
qb_log_from_external_source - This function is to import logs from other code (like libraries) that provide a callback with their logs.

SYNOPSIS
#include <qb/qblog.h>

void qb_log_from_external_source(
    const char   *function,  /* originating function name */
    const char   *filename,  /* originating filename */
    const char   *format,    /* format string */
    uint8_t       priority,  /* this takes syslog priorities. */
    uint32_t      lineno,    /* file line number */
    /*
     * this is a uint32_t that you can use with
     * qb_log_tags_stringify_fn_set() to "tag" a log message with a feature or sub-system then you can use
     * "%g" in the format specifer to print it out.
     */
    uint32_t      tags,
    ...
);

PARAMS
function originating function name

filename originating filename

format format string

priority this takes syslog priorities.

lineno file line number

tags this is a uint32_t that you can use with qb_log_tags_stringify_fn_set() to "tag" a log message with a feature or sub-system then you can use "%g" in the format specifer to print it out.

(null)

DESCRIPTION

NOTE

the performance of this will not impress you, as the filtering is done on each log message, not beforehand. So try doing basic pre-filtering.

SEE ALSO

qb_log_filter_fn_set(3), qb_log_from_external_source_va2(3), qb_log_thread_start(3), qb_log_target_user_data_get(3), qb_log_tags_stringify_fn_set(3), qb_log_file_reopen(3), qb_log_fini(3), qb_log_callsites_dump(3), qb_log_ctl2(3), qb_log_target_user_data_set(3), qb_log_target_format(3), qb_log_thread_priority_set(3), qb_log_facility2int(3), qb_log_callsites_register(3), qb_log_filter_ctl2(3), qb_log_file_close(3), qb_log_format_set(3), qb_log_real_(3), qb_log_from_external_source_va(3), qb_log_callsite_get(3), qb_log_blackbox_write_to_file(3), qb_log_real_va_(3), qb_log_blackbox_print_from_file(3), qb_log_facility2str(3), qb_log_callsite_get2(3), qb_log_ctl(3), qb_log_filter_ctl(3), qb_log_custom_close(3), qb_log_init(3), qb_log_file_open(3), qb_log_custom_open(3)

COPYRIGHT

Copyright (c) 2017 Red Hat, Inc.