[dpdk-dev] [PATCH] drivers/net: do not redefine bool

[Ferruh Yigit]

On 9/20/2018 1:18 AM, Thomas Monjalon wrote:
> When trying to include stdbool.h in DPDK base headers, there are a lot
> of conflicts with drivers which redefine bool/true/false
> in their compatibility layer.
> 
> It is fixed by including stdbool.h in these drivers.
> Some errors with usage of bool type are also fixed in some drivers.
> 
> Note: the driver qede has a surprising mix of bool and int:
> 	(~p_iov->b_pre_fp_hsi & ETH_HSI_VER_MINOR)
> where the first variable is boolean and the version is a number.
> It is replaced by
> 	!p_iov->b_pre_fp_hsi
> 
> Signed-off-by: Thomas Monjalon <thomas at monjalon.net>
> ---
>  drivers/net/cxgbe/cxgbe_compat.h         |  2 +-
>  drivers/net/e1000/base/e1000_osdep.h     |  5 +----
>  drivers/net/fm10k/base/fm10k_osdep.h     |  8 +-------
>  drivers/net/fm10k/fm10k_ethdev.c         |  4 ++--
>  drivers/net/ixgbe/base/ixgbe_osdep.h     |  6 +-----
>  drivers/net/ixgbe/ixgbe_ethdev.c         | 16 +++++++++-------
>  drivers/net/ixgbe/ixgbe_rxtx.c           |  2 +-
>  drivers/net/qede/base/bcm_osal.h         |  6 ++----
>  drivers/net/qede/base/ecore_vf.c         |  3 +--
>  drivers/net/qede/qede_ethdev.c           |  2 +-
>  drivers/net/vmxnet3/base/vmxnet3_osdep.h |  3 ++-
>  11 files changed, 22 insertions(+), 35 deletions(-)

<...>

> @@ -35,6 +35,7 @@
>  #ifndef _E1000_OSDEP_H_
>  #define _E1000_OSDEP_H_
>  
> +#include <stdbool.h>
>  #include <stdint.h>
>  #include <stdio.h>
>  #include <stdarg.h>
> @@ -87,7 +88,6 @@ typedef int64_t		s64;
>  typedef int32_t		s32;
>  typedef int16_t		s16;
>  typedef int8_t		s8;
> -typedef int		bool;
>  
>  #define __le16		u16
>  #define __le32		u32
> @@ -192,7 +192,4 @@ static inline uint16_t e1000_read_addr16(volatile void *addr)
>  #define ETH_ADDR_LEN                  6
>  #endif
>  
> -#define false                         FALSE
> -#define true                          TRUE
> -

It is too much hassle to update Intel base driver code. What would happen if not
include stdbool and keep define for base code updates? Will it break build for
applications?