What's the deadly bug here, Jow Forums?
Bonus points for exploiting it, you should be able to solve this.
#include
#include
#include
typedef struct note{
char name[50];
char path[50];
} note;
note* notes[100];
char numOfNotes = 0;
void addNewNote(){
char path[] = "/tmp/n_XXXXXX";
FILE *fpt = fdopen(mkstemp(path), "w");
notes[numOfNotes] = (note*) malloc(sizeof(note));
memset(notes[numOfNotes], 0 , sizeof(note));
printf("Name: ");
fflush(stdout);
int c;
while ((c = getchar()) != '\n' && c != EOF) { }
fgets(notes[numOfNotes]->name, 50, stdin);
printf("Content: ");
char* content = malloc(100);
fgets(content, 100, stdin);
fputs(content, fpt);
fclose(fpt);
strcpy(notes[numOfNotes]->path, path);
numOfNotes++;
free(content);
}
void printAllNotes(){
for(int i = 0; i < numOfNotes; i++){
printf("note %d.\n", i);
printf("Name: %s\n", ¬es[i]->name);
puts("Contents:");
char *content = malloc(100);
FILE *fp = fopen(notes[i]->path, "r");
while(fgets(content, 100, fp)){
printf("%s", content);
}
fclose(fp);
free(content);
}
}
int main(int argc, char **argv){
int noteNum;
while(1){
printf("1. Add new note\n");
printf("2. Print all notes\n");
printf("3. Delete a note\n");
int selection;
scanf("%d", &selection);
switch(selection){
case 1:
addNewNote();
break;
case 2:
printAllNotes();
break;
case 3:
printf("Note num: ");
fflush(stdout);
scanf("%d", ¬eNum);
if (noteNum < numOfNotes){
printf("Deleting %d\n", noteNum);
free(notes[noteNum]);
}
break;
}
}
return 0;
}
