/*
==================================================================================
load
Load the address file.
==================================================================================
*/
void load()
{
struct address *info;
FILE *fp;
fp = fopen("mlist", "rb");
if (!fp) {
printf("Cannot open file.\n");
exit(1);
}
/* free any previously allocated memory */
while (start) {
info = start->next;
free(info);
start = info;
}
/* reset top and bottom pointers */
start = last = NULL;
printf("\nLoading File\n");
while (!feof(fp)) {
info = (struct address *) malloc(sizeof(struct address));
if (!info) {
printf("Out of Memory");
return;
}
if (1 != fread(info, sizeof(struct address), 1, fp)) break;
dls_store(info, &start, &last);
}
fclose(fp);
}
/*
==================================================================================
enter
Enter names and addresses.
==================================================================================
*/
void enter(void)
{
struct address *info;
for (;;) {
info = (struct address *)malloc(sizeof(struct address));
if (!info) {
printf("\nout of memory");
return;
}
inputs("Enter name: ", info->name, 30);
if (!info->name[0]) break; /* stop entering */
inputs("Enter street: ", info->street, 40);
inputs("Enter city: ", info->city, 20);
inputs("Enter state: ", info->state, 3);
inputs("Enter zip: ", info->zip, 10);
dls_store(info, &start, &last);
} /* entry loop */
}
/*将文本插在指定行端部 */
int FileTest::enter(int linenum)
{
struct Line *info;
char t[81];
for(;;) {
/* */
info=(struct Line *)malloc(sizeof(struct Line));
if(!info){
printf("\t! 内存不够！\n");
return(NULL);
}
printf("%d:",linenum);
gets(info->text);
info->num=linenum;
if(*info->text){
if(find(linenum)) patchup(linenum,1);
if(*info->text) m_start=dls_store(info);
}
else break;
linenum++;
}
return(linenum);
}
