1 /**
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include <sys/mman.h>
17 #include <sys/stat.h>
18 #include "functionalext.h"
19
20 /*
21 * @tc.name : munmap_0100
22 * @tc.desc : Verify that the parameters are valid to unmap the memory
23 * @tc.level : Level 0
24 */
munmap_0100(void)25 void munmap_0100(void)
26 {
27 const char *ptr = "/data/test.txt";
28 const char str[] = "this is a sample!";
29 FILE *fptr = fopen(ptr, "w+");
30 EXPECT_PTRNE("munmap_0100", fptr, NULL);
31
32 struct stat statbuff;
33 fwrite(str, sizeof(char), strlen(str), fptr);
34 fseek(fptr, 0L, SEEK_SET);
35 char *p_map = mmap(NULL, sizeof(char) * 10, PROT_READ | PROT_WRITE, MAP_SHARED, fileno(fptr), 0);
36 fclose(fptr);
37 int data = munmap(p_map, sizeof(char) * 10);
38 EXPECT_EQ("munmap_0100", data, 0);
39 remove(ptr);
40 }
41
main(int argc,char * argv[])42 int main(int argc, char *argv[])
43 {
44 munmap_0100();
45 return t_status;
46 }