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reformatting: cJSON_Duplicate

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Max Bruckner 2016-09-30 10:53:58 +07:00
parent e6fd236f00
commit 9adc6e7fe1
1 changed files with 70 additions and 24 deletions
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66
cJSON.c
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@ -2054,28 +2054,74 @@ cJSON *cJSON_CreateStringArray(const char **strings, int count)
/* Duplication */ /* Duplication */
cJSON *cJSON_Duplicate(cJSON *item, int recurse) cJSON *cJSON_Duplicate(cJSON *item, int recurse)
{ {
cJSON *newitem,*cptr,*nptr=0,*newchild; cJSON *newitem;
cJSON *cptr;
cJSON *nptr = 0;
cJSON *newchild;
/* Bail on bad ptr */ /* Bail on bad ptr */
if (!item) return 0; if (!item)
{
return 0;
}
/* Create new item */ /* Create new item */
newitem = cJSON_New_Item(); newitem = cJSON_New_Item();
if (!newitem) return 0; if (!newitem)
{
return 0;
}
/* Copy over all vars */ /* Copy over all vars */
newitem->type=item->type&(~cJSON_IsReference),newitem->valueint=item->valueint,newitem->valuedouble=item->valuedouble; newitem->type = item->type & (~cJSON_IsReference);
if (item->valuestring) {newitem->valuestring=cJSON_strdup(item->valuestring); if (!newitem->valuestring) {cJSON_Delete(newitem);return 0;}} newitem->valueint = item->valueint;
if (item->string) {newitem->string=cJSON_strdup(item->string); if (!newitem->string) {cJSON_Delete(newitem);return 0;}} newitem->valuedouble = item->valuedouble;
if (item->valuestring)
{
newitem->valuestring = cJSON_strdup(item->valuestring);
if (!newitem->valuestring)
{
cJSON_Delete(newitem);
return 0;
}
}
if (item->string)
{
newitem->string = cJSON_strdup(item->string);
if (!newitem->string)
{
cJSON_Delete(newitem);
return 0;
}
}
/* If non-recursive, then we're done! */ /* If non-recursive, then we're done! */
if (!recurse) return newitem; if (!recurse)
{
return newitem;
}
/* Walk the ->next chain for the child. */ /* Walk the ->next chain for the child. */
cptr = item->child; cptr = item->child;
while (cptr) while (cptr)
{ {
newchild = cJSON_Duplicate(cptr, 1); /* Duplicate (with recurse) each item in the ->next chain */ newchild = cJSON_Duplicate(cptr, 1); /* Duplicate (with recurse) each item in the ->next chain */
if (!newchild) {cJSON_Delete(newitem);return 0;} if (!newchild)
if (nptr) {nptr->next=newchild,newchild->prev=nptr;nptr=newchild;} /* If newitem->child already set, then crosswire ->prev and ->next and move on */ {
else {newitem->child=newchild;nptr=newchild;} /* Set newitem->child and move to it */ cJSON_Delete(newitem);
return 0;
}
if (nptr)
{
/* If newitem->child already set, then crosswire ->prev and ->next and move on */
nptr->next = newchild;
newchild->prev = nptr;
nptr = newchild;
}
else
{
/* Set newitem->child and move to it */
newitem->child = newchild; nptr = newchild;
}
cptr = cptr->next; cptr = cptr->next;
} }
return newitem; return newitem;
} }