genders_getmaxvallen3
Genders statistics routines
Part of genders_getnumnodes(3).
Usage
#include <genders.h>
int genders_getnumnodes(genders_t handle);
int genders_getnumattrs(genders_t handle);
int genders_getmaxattrs(genders_t handle);
int genders_getmaxnodelen(genders_t handle);
int genders_getmaxattrlen(genders_t handle);
int genders_getmaxvallen(genders_t handle);
Overview
genders_getnumnodes(), genders_getnumattrs(), genders_getmaxattrs(), genders_getmaxnodelen(), genders_getmaxattrlen(), and genders_getmaxvallen() get statistics about the genders file associated with handle.
genders_getnumnodes() returns the number of nodes stored in the genders file.
genders_getnumattrs() returns the number of attributes listed in the genders file.
genders_getmaxattrs() returns the maximum number of attributes listed with a node in the genders file.
genders_getmaxnodelen() returns the maximum length of any node listed in the genders file.
genders_getmaxattrlen() returns the maximum length of any attribute listed in the genders file.
genders_getmaxvallen() returns the maximum length of any attribute value listed in the genders file.
In general, genders_getnumnodes(), genders_getnumattrs(), genders_getmaxattrs(), genders_getmaxnodelen(), genders_getmaxattrlen(), and genders_getmaxvallen() are used so a programmer can dynamically allocate a proper amount of memory to store genders file information in.
Return values
On success, 0 is returned. On error, -1 is returned, and an error code is returned in handle. The error code can be retrieved via genders_errnum(3) , and a description of the error code can be retrieved via genders_strerror(3). Error codes are defined in genders.h.
Errors
GENDERS_ERR_NULLHANDLE-
The handle parameter is NULL. The genders handle must be created with genders_handle_create(3).
GENDERS_ERR_NOTLOADED-
genders_load_data(3) has not been called to load genders data.
GENDERS_ERR_MAGIC-
handle has an incorrect magic number. handle does not point to a genders handle or handle has been destroyed by genders_handle_destroy(3).
Files
/usr/include/genders.h
Releases
10 releases since Debian 4.0 (Etch); the text changed 5 times.