NAME

       rollingpolicy_type_sizewin.h - 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.

SYNOPSIS

       #include <log4c/defs.h>
       #include <log4c/rollingpolicy.h>

   Typedefs
       typedef struct __sizewin_udata rollingpolicy_sizewin_udata_t

   Functions
       rollingpolicy_sizewin_udata_t * sizewin_make_udata (void)
       int sizewin_udata_set_file_maxsize (rollingpolicy_sizewin_udata_t *swup, long max_size)
       int sizewin_udata_set_max_num_files (rollingpolicy_sizewin_udata_t *swup, long max_num)
       int sizewin_udata_set_appender (rollingpolicy_sizewin_udata_t *swup, log4c_appender_t
           *app)

Detailed Description

       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 Documentation

   typedef struct __sizewin_udata rollingpolicy_sizewin_udata_t
       log4c size-win rolling policy type

Function Documentation

   rollingpolicy_sizewin_udata_t* sizewin_make_udata (void)
       Get a new size-win rolling policy

       Returns:
           a new size-win rolling policy, otherwise NULL.

       References sizewin_udata_set_file_maxsize().

   int sizewin_udata_set_appender (rollingpolicy_sizewin_udata_t * swup, log4c_appender_t * 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.

   int sizewin_udata_set_file_maxsize (rollingpolicy_sizewin_udata_t * swup, long max_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.

   int sizewin_udata_set_max_num_files (rollingpolicy_sizewin_udata_t * swup, long max_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.

Author

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