log4c_sizewin_make_udata (3)

#include <log4c/defs.h>

#include <log4c/rollingpolicy.h>

Typedefs

typedef struct __sizewin_udata rollingpolicy_sizewin_udata_t

Functions

LOG4C_API rollingpolicy_sizewin_udata_t * sizewin_make_udata (void)

LOG4C_API int sizewin_udata_set_file_maxsize (rollingpolicy_sizewin_udata_t *swup, long max_size)

LOG4C_API int sizewin_udata_set_max_num_files (rollingpolicy_sizewin_udata_t *swup, long max_num)

LOG4C_API int sizewin_udata_set_appender (rollingpolicy_sizewin_udata_t *swup, log4c_appender_t *app)

Log4c rolling file size-win interface. Log4c ships with (and defaults to) the classic size-window rollover policy: this triggers rollover when files reach a maximum size. The first file in the list is always the current file; when a rollover event occurs files are shifted up by one position in the list--if the number of files in the list has already reached the max then the oldest file is rotated out of the window.

If the max file size is set to zero, this means 'no-limit'.

The default parameters for the size-win policy are 5 files of maximum size of 20kilobytes each. These parameters may be changed using the appropriate setter functions.

typedef struct __sizewin_udata \fBrollingpolicy_sizewin_udata_t\fP log4c size-win rolling policy type

LOG4C_API \fBrollingpolicy_sizewin_udata_t\fP* sizewin_make_udata (void) Get a new size-win rolling policy

Returns:

a new size-win rolling policy, otherwise NULL.

LOG4C_API int sizewin_udata_set_appender (\fBrollingpolicy_sizewin_udata_t\fP *swup, \fBlog4c_appender_t\fP *app) Set the rolling file appender in this rolling policy configuration.

Parameters:

swup the size-win configuration object.

app the rolling file appender to set.

Returns:

zero if successful, non-zero otherwise.

LOG4C_API int sizewin_udata_set_file_maxsize (\fBrollingpolicy_sizewin_udata_t\fP *swup, longmax_size) Set the maximum file size in this rolling policy configuration.

Parameters:

swup the size-win configuration object.

max_size the approximate maximum size any logging file will attain. If you set zero then it means 'no-limit' and so only one file of unlimited size will be used for logging.

Returns:

zero if successful, non-zero otherwise.

LOG4C_API int sizewin_udata_set_max_num_files (\fBrollingpolicy_sizewin_udata_t\fP *swup, longmax_num) Set the maximum number of filesin this rolling policy configuration.

Parameters:

swup the size-win configuration object.

max_num the maximum number of files in the list.

Returns:

zero if successful, non-zero otherwise.

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