diff options
Diffstat (limited to 'components/dfs/src/dfs_file.c')
| -rw-r--r-- | components/dfs/src/dfs_file.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/components/dfs/src/dfs_file.c b/components/dfs/src/dfs_file.c index 32198371d7..f5619e2354 100644 --- a/components/dfs/src/dfs_file.c +++ b/components/dfs/src/dfs_file.c @@ -555,7 +555,7 @@ void ls(const char *pathname) if (pathname == RT_NULL) rt_free(path); } -FINSH_FUNCTION_EXPORT(ls, list directory contents) +FINSH_FUNCTION_EXPORT(ls, list directory contents); void rm(const char *filename) { @@ -564,7 +564,7 @@ void rm(const char *filename) rt_kprintf("Delete %s failed\n", filename); } } -FINSH_FUNCTION_EXPORT(rm, remove files or directories) +FINSH_FUNCTION_EXPORT(rm, remove files or directories); void cat(const char* filename) { @@ -590,7 +590,7 @@ void cat(const char* filename) dfs_file_close(&fd); } -FINSH_FUNCTION_EXPORT(cat, print file) +FINSH_FUNCTION_EXPORT(cat, print file); #define BUF_SZ 4096 static void copyfile(const char *src, const char *dst) @@ -629,7 +629,15 @@ static void copyfile(const char *src, const char *dst) read_bytes = dfs_file_read(&src_fd, block_ptr, BUF_SZ); if (read_bytes > 0) { - dfs_file_write(&fd, block_ptr, read_bytes); + int length; + + length = dfs_file_write(&fd, block_ptr, read_bytes); + if (length != read_bytes) + { + /* write failed. */ + rt_kprintf("Write file data failed, errno=%d\n", length); + break; + } } } while (read_bytes > 0); |