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corrected memory leak issue and added some boundary check

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This commit is contained in:
strawmanbobi
2026-01-13 16:31:37 +08:00
parent 2cad5e71a2
commit 225b30018a
4 changed files with 41 additions and 4 deletions
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2
decoder/src/include/ir_defs.h
View File

@@ -62,7 +62,7 @@ void noprint(const char *fmt, ...);
#else
#define ir_printf noprint
#endif
#define USER_DATA_SIZE 1636
#define USER_DATA_SIZE 2048
// #define USER_DATA_SIZE 4096
#ifdef __cplusplus

7
decoder/src/ir_decode.c
View File

@@ -791,6 +791,13 @@ UINT16 ir_decode_combo(const UINT8 category, const UINT8 sub_category,
return IR_DECODE_FAILED;
}
if (sub_category < SUB_CATEGORY_QUATERNARY ||
sub_category >= SUB_CATEGORY_NEXT)
{
ir_printf("wrong remote sub category : %d\n", sub_category);
return IR_DECODE_FAILED;
}
remote_category = (t_remote_category) category;
if (key_code < 0 || key_code >= KEY_CODE_MAX[remote_category])

12
decoder/src/ir_decode_test.c
View File

@@ -69,6 +69,7 @@ static INT8 decode_as_ac(char *file_name)
int first_time = 1;
int length = 0;
int index = 0;
INT8 ret_val = IR_DECODE_SUCCEEDED;
// get status
UINT8 supported_mode = 0x00;
@@ -101,8 +102,8 @@ static INT8 decode_as_ac(char *file_name)
if (IR_DECODE_FAILED == ir_file_open(REMOTE_CATEGORY_AC, 0, file_name))
{
ir_close();
return IR_DECODE_FAILED;
ret_val = IR_DECODE_FAILED;
goto _exit;
}
do
@@ -246,9 +247,14 @@ static INT8 decode_as_ac(char *file_name)
}
} while (TRUE);
_exit:
ir_close();
return IR_DECODE_SUCCEEDED;
if (NULL != ac_status) {
free(ac_status);
}
return ret_val;
}
static INT8 decode_as_tv(char *file_name, UINT8 ir_hex_encode)

24
decoder/src/ir_tv_control.c
View File

@@ -249,8 +249,16 @@ static void print_ir_time(t_ir_data *data, UINT8 key_index, UINT16 *ir_time)
}
else if (ir_level == IRDA_LEVEL_LOW)
{
if (time_index + 1 > USER_DATA_SIZE) {
ir_printf("time index exceeded\n");
return;
}
ir_time[time_index++] = pcycles->mask;
}
if (time_index + 1 > USER_DATA_SIZE) {
ir_printf("time index exceeded\n");
return;
}
ir_time[time_index++] = pcycles->space;
ir_level = IRDA_LEVEL_LOW;
}
@@ -263,8 +271,16 @@ static void print_ir_time(t_ir_data *data, UINT8 key_index, UINT16 *ir_time)
}
else if (ir_level == IRDA_LEVEL_HIGH)
{
if (time_index + 1 > USER_DATA_SIZE) {
ir_printf("time index exceeded\n");
return;
}
ir_time[time_index++] = pcycles->space;
}
if (time_index + 1 > USER_DATA_SIZE) {
ir_printf("time index exceeded\n");
return;
}
ir_time[time_index++] = pcycles->mask;
ir_level = IRDA_LEVEL_HIGH;
}
@@ -278,6 +294,10 @@ static void print_ir_time(t_ir_data *data, UINT8 key_index, UINT16 *ir_time)
}
else if (ir_level == IRDA_LEVEL_HIGH)
{
if (time_index + 1 > USER_DATA_SIZE) {
ir_printf("time index exceeded\n");
return;
}
ir_time[time_index++] = pcycles->space;
}
ir_level = IRDA_LEVEL_LOW;
@@ -291,6 +311,10 @@ static void print_ir_time(t_ir_data *data, UINT8 key_index, UINT16 *ir_time)
}
else if (ir_level == IRDA_LEVEL_LOW)
{
if (time_index + 1 > USER_DATA_SIZE) {
ir_printf("time index exceeded\n");
return;
}
ir_time[time_index++] = pcycles->mask;
}
ir_level = IRDA_LEVEL_HIGH;