drlink: destroy 功能over

oneface · oneface · commit 700099366a5f · 2018-02-07T17:57:57.000+08:00
diff --git a/002-drlink.c b/002-drlink.c
@@ -104,13 +104,11 @@ static void drlink_delete(drlink_data **drldata, unsigned int loc)
 	}
 
 	if (drlp->next == *drldata && loc == 0) { // head 0 0
-		printf("0\n");
 		free(drlp);
 		*drldata = NULL;
 		return ;
 	}
 	if (loc == 0) { //head 0... 1  1
-		printf("1\n");
 		temp = drlp->prev;
 		temp->next = drlp->next;
 		drlp->next->prev = temp;
@@ -181,9 +179,9 @@ static void drlink_destroy(drlink_data **drldata)
 	}
 
 	do {
+		printf("destroy data '%c'\n", (*drldata)->data);
 		drlink_delete(drldata, 0);
-		printf("2\n");
-	}while(!(*drldata));
+	}while((*drldata) != NULL);
 }
 
 int main()

Original file line number	Diff line number	Diff line change
`@@ -104,13 +104,11 @@ static void drlink_delete(drlink_data **drldata, unsigned int loc)`
`104`	`104`	`}`
`105`	`105`
`106`	`106`	`if (drlp->next == *drldata && loc == 0) { // head 0 0`
`107`		`- printf("0\n");`
`108`	`107`	`free(drlp);`
`109`	`108`	`*drldata = NULL;`
`110`	`109`	`return ;`
`111`	`110`	`}`
`112`	`111`	`if (loc == 0) { //head 0... 1 1`
`113`		`- printf("1\n");`
`114`	`112`	`temp = drlp->prev;`
`115`	`113`	`temp->next = drlp->next;`
`116`	`114`	`drlp->next->prev = temp;`
`@@ -181,9 +179,9 @@ static void drlink_destroy(drlink_data **drldata)`
`181`	`179`	`}`
`182`	`180`
`183`	`181`	`do {`
	`182`	`+ printf("destroy data '%c'\n", (*drldata)->data);`
`184`	`183`	`drlink_delete(drldata, 0);`
`185`		`- printf("2\n");`
`186`		`- }while(!(*drldata));`
	`184`	`+ }while((*drldata) != NULL);`
`187`	`185`	`}`
`188`	`186`
`189`	`187`	`int main()`