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%% options
copyright owner = Dirk Krause
copyright year = 2014-xxxx
license = bsd
%% header
#ifdef __cplusplus
extern "C" {
#endif
/** Compare key value pairs.
@param l Left object.
@param r Right object.
@param cr Comparison criteria (0=object/object, 1=object/string).
@return Comparison result
*/
int
dk3kv_compare(void const *l, void const *r, int cr);
/** Remove key value pair, release memory.
@param p Key value pair to release.
*/
void
dk3kv_delete(dk3_key_value_t *p);
/** Create new key value pair.
@param k Key.
@param v Value, may be NULL.
@param app Application structure for diagnostics, may be NULL.
@return Pointer to new data on success, NULL on error.
*/
dk3_key_value_t *
dk3kv_new_app(dkChar const *k, dkChar const *v, dk3_app_t *app);
#ifdef __cplusplus
}
#endif
%% module
#include "dk3all.h"
int
dk3kv_compare(void const *l, void const *r, int cr)
{
int back = 0;
dk3_key_value_t const *pl;
dk3_key_value_t const *pr;
if(l) {
if(r) {
pl = (dk3_key_value_t const *)l;
switch(cr) {
case 1: {
back = dk3str_cmp(pl->key, (dkChar const *)r);
} break;
default: {
pr = (dk3_key_value_t const *)r;
back = dk3str_cmp(pl->key, pr->key);
} break;
}
} else back = 1;
} else {
if(r) back = -1;
}
return back;
}
void
dk3kv_delete(dk3_key_value_t *p)
{
if(p) {
dk3_release(p->key);
dk3_release(p->val);
dk3_delete(p);
}
}
dk3_key_value_t *
dk3kv_new_app(dkChar const *k, dkChar const *v, dk3_app_t *app)
{
dk3_key_value_t *back = NULL;
if(k) {
back = dk3_new_app(dk3_key_value_t,1,app);
if(back) {
back->key = NULL;
back->val = NULL;
back->key = dk3str_dup_app(k, app);
if(back->key) {
if(v) {
back->val = dk3str_dup_app(v, app);
if(!(back->val)) {
dk3kv_delete(back);
back = NULL;
}
}
} else {
dk3kv_delete(back);
back = NULL;
}
}
}
return back;
}
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