stmhal, file: Seek to end of file if opened in 'a' mode.

dpgeorge · dpgeorge · commit 820896746c99 · 2014-06-11T16:01:52.000+01:00
diff --git a/stmhal/file.c b/stmhal/file.c
@@ -202,6 +202,11 @@ STATIC mp_obj_t file_obj_make_new(mp_obj_t type, uint n_args, uint n_kw, const m
         nlr_raise(mp_obj_new_exception_arg1(&mp_type_OSError, MP_OBJ_NEW_SMALL_INT((machine_int_t)fresult_to_errno_table[res])));
     }
 
+    // for 'a' mode, we must begin at the end of the file
+    if ((mode & FA_OPEN_ALWAYS) != 0) {
+        f_lseek(&o->fp, f_size(&o->fp));
+    }
+
     return o;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -202,6 +202,11 @@ STATIC mp_obj_t file_obj_make_new(mp_obj_t type, uint n_args, uint n_kw, const m`
`202`	`202`	`nlr_raise(mp_obj_new_exception_arg1(&mp_type_OSError, MP_OBJ_NEW_SMALL_INT((machine_int_t)fresult_to_errno_table[res])));`
`203`	`203`	`}`
`204`	`204`
	`205`	`+ // for 'a' mode, we must begin at the end of the file`
	`206`	`+ if ((mode & FA_OPEN_ALWAYS) != 0) {`
	`207`	`+ f_lseek(&o->fp, f_size(&o->fp));`
	`208`	`+ }`
	`209`	`+`
`205`	`210`	`return o;`
`206`	`211`	`}`
`207`	`212`