我有一個函數可以動態地創建一個雙元數組,它存儲一串直到「gata」被引入的單詞。二維數組的動態分配
的問題是,它崩潰,我覺得行
*(*words+*dim-1) = (char*)calloc(MAX_DIM,sizeof(char));
可能是problems.What的一個是錯的這條線?
void read_words(char ***words,int *dim)
{
char buff[100];
*words = (char**)calloc(*dim,*dim*sizeof(char*));
while(strcmp(buff,"gata"))
{
printf("the new word : ");
scanf("%100s", buff);
if(strcmp(buff,"gata"))
{
dim++;
*words = (char**)realloc(words,*dim*sizeof(char*));
if(words == NULL)
{
printf("Memory allocation failed !\n");
exit(0);
}
*(*words+*dim-1) = (char*)calloc(MAX_DIM,sizeof(char));
strcpy(*(*words+*dim-1),buff);
}
}
}
int main()
{
char **words;
int i,dim = 0;
read_words(&words,&dim);
for (i = 0; i < dim; i++)
free(&words[i]);
free(words);
return 0;
}
是**新**存在c? – Fennekin
[請參閱此討論,爲什麼不在'C'中投射'malloc()'和家族的返回值。](http://stackoverflow.com/q/605845/2173917)。 –
@Fennekin有沒有nija編輯?我看不到'新'。 –