// TODO: split this in two functions: one to retrieve attr and one to
// strcat contents into it.
void attrcatn(attrlist_t al, const char *name, const _char *value, size_t len) {
attr_t *at;
size_t oldlen;
_char *newvalue;
at = setup_access(al, name);
/* a null value would delete the attribute */
if(value==NULL) {
if(at) attrdel(al, at); /* delete if there is no value */
return;
}
/* append the string */
oldlen = at->len;
// kore_log(LOG_DEBUG,"attr realloc from %u to %u for value: %s",
// oldlen, oldlen+len+1, value);
newvalue = kore_realloc(at->value, oldlen+len+1);
if(!newvalue) {
kore_log(LOG_ERR,"attrcatn realloc to size %u",
oldlen+len+1);
return; }
at->len = oldlen+len+1;
strncat(newvalue,value,len);
at->value=newvalue;
}
/*** EXPORTED STUFF ***/
void attrcatn(attrlist_t al, const char *name, const _char *value, size_t len) {
attr_t *at;
size_t oldlen;
_char *newvalue;
at=setup_access(al, name);
/* a null value would delete the attribute */
if(value==NULL) {
if(at) attrdel(al, at); /* delete if there is no value */
return;
}
/* append the string */
oldlen=at->len;
newvalue=realloc(at->value, oldlen+len+1);
if(!newvalue) return;
memcpy(newvalue+oldlen, value, len);
at->value=newvalue;
}
/* set an attribute */
static void attrsetn_internal(attrlist_t al, const char *name, int safe_fl, const _char *value, size_t len)
{
attr_t *at;
at=setup_access(al, name);
/* a null value would delete the attribute */
if(value==NULL) {
if(at) attrdel(al, at); /* delete if there is no value */
return;
}
/* discard the old attribute values */
free(at->value);
at->value=NULL;
/* set the attribute */
if(safe_fl) {
at->len=html_escape_len(value, len);
at->value=malloc(at->len+1);
html_escape(at->value, at->len, value);
} else {
at->len=len;
at->value=malloc(len+1);
memcpy(at->value, value, at->len+1);
}
}