58 lines
1.0 KiB
C
58 lines
1.0 KiB
C
|
|
#include <ctype.h>
|
|
|
|
#include "ktv.h"
|
|
/**
|
|
* @brief Default function to compare two values of type #cw_KTV_t.
|
|
*
|
|
* @param v1
|
|
* @param v2
|
|
* @return
|
|
*/
|
|
int cw_ktv_mavlcmp(const void *v1, const void *v2)
|
|
{
|
|
char *d1,*d2;
|
|
int l1,l2,rc,i1,i2;
|
|
|
|
/* Find dots in both keys */
|
|
d1 = strchr(((cw_KTV_t *) v1)->key,'.');
|
|
d2 = strchr(((cw_KTV_t *) v2)->key,'.');
|
|
|
|
/* if there are no dots, compare keys as normal */
|
|
if (d1==NULL || d2==NULL)
|
|
return strcmp(((cw_KTV_t *) v1)->key, ((cw_KTV_t *) v2)->key);
|
|
|
|
/* calculate the length of the key till dots */
|
|
l1=d1-((cw_KTV_t *) v1)->key;
|
|
l2=d2-((cw_KTV_t *) v2)->key;
|
|
|
|
/* if length differs do a normal compare */
|
|
if (l1!=l2){
|
|
return strcmp(((cw_KTV_t *) v1)->key, ((cw_KTV_t *) v2)->key);
|
|
}
|
|
|
|
|
|
rc = strncmp(((cw_KTV_t *) v1)->key,((cw_KTV_t *) v2)->key,l1);
|
|
if (rc!=0){
|
|
return rc;
|
|
}
|
|
|
|
d1++;
|
|
d2++;
|
|
i1 = atoi(d1);
|
|
i2 = atoi(d2);
|
|
|
|
rc = i1-i2;
|
|
if (rc != 0)
|
|
return rc;
|
|
|
|
while (isdigit(*d1))
|
|
d1++;
|
|
while (isdigit(*d2))
|
|
d2++;
|
|
|
|
return strcmp(d1,d2);
|
|
|
|
|
|
}
|