From f58d3c5200d5a51a39503c5311422e2fb99d3d20 Mon Sep 17 00:00:00 2001 From: Meco Man <920369182@qq.com> Date: Sun, 5 Feb 2023 18:35:33 -0500 Subject: 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 --- libcpu/arm/AT91SAM7S/serial.c | 4 ++-- libcpu/arm/s3c24x0/rtc.c | 2 +- libcpu/arm/sep4020/serial.c | 4 ++-- libcpu/avr32/uc3/serial.c | 4 ++-- libcpu/blackfin/bf53x/serial.c | 4 ++-- libcpu/ppc/ppc405/serial.c | 4 ++-- libcpu/unicore32/sep6200/serial.c | 4 ++-- libcpu/xilinx/microblaze/serial.c | 4 ++-- 8 files changed, 15 insertions(+), 15 deletions(-) (limited to 'libcpu') 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; diff --git a/libcpu/avr32/uc3/serial.c b/libcpu/avr32/uc3/serial.c index 5228d3e734..aa63ae846f 100644 --- a/libcpu/avr32/uc3/serial.c +++ b/libcpu/avr32/uc3/serial.c @@ -59,7 +59,7 @@ 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; @@ -122,7 +122,7 @@ 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; diff --git a/libcpu/blackfin/bf53x/serial.c b/libcpu/blackfin/bf53x/serial.c index 4a6484a647..f30ce4f203 100644 --- a/libcpu/blackfin/bf53x/serial.c +++ b/libcpu/blackfin/bf53x/serial.c @@ -93,7 +93,7 @@ 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; @@ -151,7 +151,7 @@ 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; diff --git a/libcpu/ppc/ppc405/serial.c b/libcpu/ppc/ppc405/serial.c index 1fc9039769..3112a1823b 100644 --- a/libcpu/ppc/ppc405/serial.c +++ b/libcpu/ppc/ppc405/serial.c @@ -99,7 +99,7 @@ static rt_err_t rt_serial_control(rt_device_t dev, int cmd, void *args) 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_ppc405_serial* device; @@ -156,7 +156,7 @@ static rt_size_t rt_serial_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_ return (rt_size_t)ptr - (rt_size_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) { char *ptr; struct rt_ppc405_serial* device; diff --git a/libcpu/unicore32/sep6200/serial.c b/libcpu/unicore32/sep6200/serial.c index f91834b6a7..d732716619 100644 --- a/libcpu/unicore32/sep6200/serial.c +++ b/libcpu/unicore32/sep6200/serial.c @@ -84,7 +84,7 @@ 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; @@ -142,7 +142,7 @@ 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; diff --git a/libcpu/xilinx/microblaze/serial.c b/libcpu/xilinx/microblaze/serial.c index 1902f11710..ea0070fb23 100755 --- a/libcpu/xilinx/microblaze/serial.c +++ b/libcpu/xilinx/microblaze/serial.c @@ -144,7 +144,7 @@ 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_mb_uart_lite *serial = (struct rt_mb_uart_lite*)dev; @@ -212,7 +212,7 @@ 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_mb_uart_lite *serial = (struct rt_mb_uart_lite*)dev; -- cgit v1.3.1