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dm: use strnlen to replace strlen

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Tracked-On: #2133
Signed-off-by: Shuo A Liu <shuo.a.liu@intel.com>
Reviewed-by: Yonghua Huang <yonghua.huang@intel.com>
This commit is contained in:
Shuo A Liu
2018-12-25 10:33:36 +08:00
committed by wenlingz
parent 3e0b06cfd6
commit b3ad44d4c1
14 changed files with 27 additions and 25 deletions
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14
devicemodel/core/hugetlb.c
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@@ -157,7 +157,7 @@ static int open_hugetlbfs(struct vmctx *ctx, int level)
UUID[12], UUID[13], UUID[14], UUID[15]);
*(path + len) = '\0';
strncat(path, uuid_str, strlen(uuid_str));
strncat(path, uuid_str, strnlen(uuid_str, sizeof(uuid_str)));
printf("open hugetlbfs file %s\n", path);
@@ -347,19 +347,19 @@ static int create_hugetlb_dirs(int level)
}
path = hugetlb_priv[level].mount_path;
len = strlen(path);
if (len >= MAX_PATH_LEN || len == 0) {
len = strnlen(path, MAX_PATH_LEN);
if (len == MAX_PATH_LEN || len == 0) {
perror("invalid path len");
return -EINVAL;
}
memset(tmp_path, '\0', MAX_PATH_LEN);
strncpy(tmp_path, path, MAX_PATH_LEN - 1);
strncpy(tmp_path, path, MAX_PATH_LEN);
if ((tmp_path[len - 1] != '/') && (strlen(tmp_path) < MAX_PATH_LEN - 1))
strcat(tmp_path, "/");
if ((tmp_path[len - 1] != '/') && (len < MAX_PATH_LEN - 1))
tmp_path[len] = '/';
len = strlen(tmp_path);
len = strnlen(tmp_path, MAX_PATH_LEN);
for (i = 1; i < len; i++) {
if (tmp_path[i] == '/') {
tmp_path[i] = 0;