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ruanhaishen
Nodemcu Firmware
Commits
7ae293d5
Commit
7ae293d5
authored
Feb 25, 2015
by
devsaurus
Browse files
set free'd pointer to NULL
parent
2cfb86b5
Changes
1
Hide whitespace changes
Inline
Side-by-side
app/modules/u8g.c
View file @
7ae293d5
...
@@ -1002,7 +1002,10 @@ static int lu8g_close_display( lua_State *L )
...
@@ -1002,7 +1002,10 @@ static int lu8g_close_display( lua_State *L )
// free up allocated page buffer
// free up allocated page buffer
if
(
lud
->
pb
.
buf
!=
NULL
)
if
(
lud
->
pb
.
buf
!=
NULL
)
{
c_free
(
lud
->
pb
.
buf
);
c_free
(
lud
->
pb
.
buf
);
lud
->
pb
.
buf
=
NULL
;
}
return
0
;
return
0
;
}
}
...
@@ -1033,10 +1036,10 @@ static int lu8g_ssd1306_128x64_i2c( lua_State *L )
...
@@ -1033,10 +1036,10 @@ static int lu8g_ssd1306_128x64_i2c( lua_State *L )
// populate and allocate page buffer
// populate and allocate page buffer
// constants taken from u8g_dev_ssd1306_128x64.c:
// constants taken from u8g_dev_ssd1306_128x64.c:
// PAGE_HEIGHT
//
PAGE_HEIGHT
// | Height
//
| Height
// | | WIDTH
//
| | WIDTH
// | | |
//
| | |
lud
->
pb
=
(
u8g_pb_t
){
{
8
,
64
,
0
,
0
,
0
},
128
,
NULL
};
lud
->
pb
=
(
u8g_pb_t
){
{
8
,
64
,
0
,
0
,
0
},
128
,
NULL
};
//
//
if
((
lud
->
pb
.
buf
=
(
void
*
)
c_zalloc
(
lud
->
pb
.
width
))
==
NULL
)
if
((
lud
->
pb
.
buf
=
(
void
*
)
c_zalloc
(
lud
->
pb
.
width
))
==
NULL
)
...
...
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