diff options
| author | Meco Man <[email protected]> | 2023-02-05 18:35:33 -0500 |
|---|---|---|
| committer | Man, Jianting (Meco) <[email protected]> | 2023-02-07 21:43:57 -0500 |
| commit | f58d3c5200d5a51a39503c5311422e2fb99d3d20 (patch) | |
| tree | cab3ae78ea13bfb649e5087c138bf9a951746a4b /libcpu/arm | |
| parent | 890c1c9264e425f20c2925de4095fb46ca4e74aa (diff) | |
rt_device_write/read return data type as rt_ssize_t
rt_ssize_t can give negative error code, which follows the unix style correctly
Diffstat (limited to 'libcpu/arm')
| -rw-r--r-- | libcpu/arm/AT91SAM7S/serial.c | 4 | ||||
| -rw-r--r-- | libcpu/arm/s3c24x0/rtc.c | 2 | ||||
| -rw-r--r-- | libcpu/arm/sep4020/serial.c | 4 |
3 files changed, 5 insertions, 5 deletions
diff --git a/libcpu/arm/AT91SAM7S/serial.c b/libcpu/arm/AT91SAM7S/serial.c index 583443f4cb..92ed2bac3d 100644 --- a/libcpu/arm/AT91SAM7S/serial.c +++ b/libcpu/arm/AT91SAM7S/serial.c @@ -215,7 +215,7 @@ static rt_err_t rt_serial_close(rt_device_t dev) return RT_EOK; } -static rt_size_t rt_serial_read (rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size) +static rt_ssize_t rt_serial_read (rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size) { rt_uint8_t* ptr; struct rt_at91serial *serial = (struct rt_at91serial*)dev; @@ -283,7 +283,7 @@ static rt_size_t rt_serial_read (rt_device_t dev, rt_off_t pos, void* buffer, rt return 0; } -static rt_size_t rt_serial_write (rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size) +static rt_ssize_t rt_serial_write (rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size) { rt_uint8_t* ptr; struct rt_at91serial *serial = (struct rt_at91serial*)dev; diff --git a/libcpu/arm/s3c24x0/rtc.c b/libcpu/arm/s3c24x0/rtc.c index b7bbba9a55..ba2c45d443 100644 --- a/libcpu/arm/s3c24x0/rtc.c +++ b/libcpu/arm/s3c24x0/rtc.c @@ -119,7 +119,7 @@ static rt_err_t rtc_close(rt_device_t dev) return RT_EOK; } -static rt_size_t rtc_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size) +static rt_ssize_t rtc_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size) { return RT_EOK; } diff --git a/libcpu/arm/sep4020/serial.c b/libcpu/arm/sep4020/serial.c index 9bf1546c08..964403b1e3 100644 --- a/libcpu/arm/sep4020/serial.c +++ b/libcpu/arm/sep4020/serial.c @@ -86,7 +86,7 @@ static rt_err_t rt_serial_close(rt_device_t dev) return RT_EOK; } -static rt_size_t rt_serial_read (rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size) +static rt_ssize_t rt_serial_read (rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size) { rt_uint8_t* ptr; rt_err_t err_code; @@ -144,7 +144,7 @@ static rt_size_t rt_serial_read (rt_device_t dev, rt_off_t pos, void* buffer, rt return (rt_uint32_t)ptr - (rt_uint32_t)buffer; } -static rt_size_t rt_serial_write (rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size) +static rt_ssize_t rt_serial_write (rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size) { rt_uint8_t* ptr; rt_err_t err_code; |