RT，这是个简单的代码处理数组插入，想在插入时判断此时数组是否将满，如果是就将数组扩大的原来的2倍。
不明白为什么int *newspace=(int*)malloc(size*sizet);有什么错误，如果把size改成一个定值就可以运行且结果正确，难道是malloc的bug?
#include <stdlib.h>//malloc#include <string.h>//memset#include <stdio.h>//printf#define MAXIMUM 100struct SeqList{ int n; int * array; int max;
};typedef struct SeqList *PSeqList;PSeqList createSeqList(int size){
PSeqList ptrSeqList=(PSeqList)malloc(sizeof(struct SeqList)); if(ptrSeqList==NULL){ return NULL;
}
ptrSeqList->n=0;
ptrSeqList->array=(int*)malloc(size*sizeof(int));
ptrSeqList->max=size; return ptrSeqList;
}int insertElement(int pos, int val, PSeqList pSeqList){ if(pSeqList==NULL) return -1;
if(pSeqList->n==pSeqList->max){ int size=pSeqList->n<<1; int sizet=sizeof(int); int *newspace=(int*)malloc(size*sizet); memset((void*)newspace,0,size*sizeof(int)); int i=0; while(i++<pSeqList->max){
newspace[i]=pSeqList->array[i];
} free(pSeqList->array);
pSeqList->array=newspace;
pSeqList->max<<=1;
} if(pSeqList->n==0){
pSeqList->array[0]=val;
pSeqList->n++; return 0;
} int i; for(i=pSeqList->n;i>=pos;--i){
pSeqList->array[i+1]=pSeqList->array[i];
}
pSeqList->n++;
pSeqList->array[pos]=val;
}void printArray(PSeqList ptrSeqList){ printf("n: %d\n",ptrSeqList->n); printf("max: %d\n",ptrSeqList->max); int i=0; for(i;i<ptrSeqList->n;++i){ printf("%d ",ptrSeqList->array[i]);
}
}int main(int argc, char*argv[]){
PSeqList ptrSeqList=createSeqList(5); printArray(ptrSeqList); int i=0; for(i=0;i<10;++i){ insertElement(i,i,ptrSeqList);
} printArray(ptrSeqList); insertElement(5,110,ptrSeqList); printArray(ptrSeqList); return 0;
}