fix:消除编译告警

【背景】
 消除编译告警

【修改方案】
 消除编译告警

 re #I3ZC1R

 Change-Id: I594d0f57e4cbbdb246a6bef1c978a38228123a34

 Signed-off-by: x-xiny <1301913191@qq.com>

Change-Id: I1d75cdcdcf9d06ec28e541cdfea77300da7c6bb1

fs/fat/os_adapt/fatfs.c

@@ -238,7 +238,8 @@ static mode_t fatfs_get_mode(BYTE attribute, mode_t fs_mode)
     return fs_mode;
 }
 
-static enum VnodeType fatfstype_2_vnodetype(BYTE type) {
+static enum VnodeType fatfstype_2_vnodetype(BYTE type) 
+{
     switch (type) {
         case AM_ARC:
             return VNODE_TYPE_REG;
@@ -286,7 +287,7 @@ static FRESULT init_cluster(DIR_FILE *pdfp, DIR *dp_new, FATFS *fs, int type, co
     mem_set(dir, 0, SS(fs));
     if (type == AM_LNK && target) {
         /* Write target to symlink */
-        strcpy_s((char *)dir, SS(fs), target);
+        (void)strcpy_s((char *)dir, SS(fs), target);
     } else {
         /* Write the dir cluster */
         mem_set(dir, 0, SS(fs));

fs/include/fs/file.h

@@ -473,7 +473,7 @@ off64_t file_seek64(struct file *filep, off64_t offset, int whence);
  *
  ****************************************************************************/
 
-int files_allocate(struct Vnode *vnode, int oflags, off_t pos,void *priv, int minfd);
+int files_allocate(struct Vnode *vnode, int oflags, off_t pos, void *priv, int minfd);
 
 /****************************************************************************
  * Name: files_close

fs/vfs/operation/fs_file.c

@@ -406,7 +406,7 @@ int CopyFdToProc(int fd, unsigned int targetPid)
         return -ESRCH;
     }
 
-    procFd = AssignProcessFd(fdt, 3);
+    procFd = AssignProcessFd(fdt, 3); // minfd is 3
     if (procFd < 0) {
         if (sem_post(&semId) == -1) {
             PRINT_ERR("sem_post error, errno %d \n", get_errno());