Pointer problem in C for char*
- by egebilmuh
Hi guys,
i use pointer for holding name and research lab property. But when i print the existing Vertex ,when i print the vertex, i cant see so -called attributes properly.
For example though real value of name is "lancelot" , i see it as wrong such as "asdasdasdasd"
struct vertex {
int value;
char*name;
char* researchLab;
struct vertex *next;
struct edge *list;
};
void GRAPHinsertV(Graph G, int value,char*name,char*researchLab) {
//create new Vertex.
Vertex newV = malloc(sizeof newV);
// set value of new variable to which belongs the person.
newV->value = value;
newV->name=name;
newV->researchLab=researchLab;
newV->next = G->head;
newV->list = NULL;
G->head = newV;
G->V++;
}
/***
The method creates new person.
**/
void createNewPerson(Graph G) {
int id;
char name[30];
char researchLab[30];
// get requeired variables.
printf("Enter id of the person to be added.\n");
scanf("%d",&id);
printf("Enter name of the person to be added.\n");
scanf("%s",name);
printf("Enter researc lab of the person to be added\n");
scanf("%s",researchLab);
// insert the people to the social network.
GRAPHinsertV(G,id,name,researchLab);
}
void ListAllPeople(Graph G)
{
Vertex tmp;
Edge list;
for(tmp = G->head;tmp!=NULL;tmp=tmp->next)
{
fprintf(stdout,"V:%d\t%s\t%s\n",tmp->value,tmp->name,tmp->researchLab);
}
system("pause");
}
