Function
GLiblog_writer_standard_streams
since: 2.50
Declaration
GLogWriterOutput
g_log_writer_standard_streams (
GLogLevelFlags log_level,
const GLogField* fields,
gsize n_fields,
gpointer user_data
)
Description
Format a structured log message and print it to either stdout or stderr,
depending on its log level.
G_LOG_LEVEL_INFO and G_LOG_LEVEL_DEBUG messages
are sent to stdout, or to stderr if requested by
g_log_writer_default_set_use_stderr();
all other log levels are sent to stderr. Only fields
which are understood by this function are included in the formatted string
which is printed.
If the output stream supports ANSI color escape sequences, they will be used in the output.
A trailing new-line character is added to the log message when it is printed.
This is suitable for use as a GLogWriterFunc.
Available since: 2.50
Parameters
log_level-
Type:
GLogLevelFlagsLog level, either from
GLogLevelFlags, or a user-defined level. fields-
Type: An array of
GLogFieldKey–value pairs of structured data forming the log message.
The length of the array is specified in the n_fieldsargument.The data is owned by the caller of the function. n_fields-
Type:
gsizeNumber of elements in the
fieldsarray. user_data-
Type:
gpointerUser data passed to
g_log_set_writer_func().The argument can be NULL.The data is owned by the caller of the function.
Return value
Type: GLogWriterOutput
G_LOG_WRITER_HANDLED on success,
G_LOG_WRITER_UNHANDLED otherwise.