[lwip-devel] [bug #27155] 'NULL' undeclared in inet_checksum.c

[Frédéric Bernon]

Follow-up Comment #2, bug #27155 (project lwip):

Perhaps the simplest thing is to add it in your cc.h file (in a first time)
with others standards headers files, like string.h, stdlib.h, etc... After
all, this is the place where some lwip types are defined, like u8_t, s8_t,
u16_t, s16_t, u32_t, s32_t, mem_ptr_t . We could also read in sys_arch.txt :
"This file must either include a system-local <errno.h> which defines the
standard *nix error codes, or it should #define LWIP_PROVIDE_ERRNO to make
lwip/arch.h define the codes which are used throughout."

Of course, it have to be fix in inet_chksum.c, but add these includes in cc.h
will avoid you future problems...



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