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Add documentation for LWIP_PROVIDE_ERRNO in arch.h
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@ -278,7 +278,7 @@ extern "C" {
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#define PACK_STRUCT_FLD_S(x) PACK_STRUCT_FIELD(x)
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#define PACK_STRUCT_FLD_S(x) PACK_STRUCT_FIELD(x)
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#endif /* PACK_STRUCT_FLD_S */
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#endif /* PACK_STRUCT_FLD_S */
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/** Packed structs support using \#include files before and after struct to be packed.\n
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/** PACK_STRUCT_USE_INCLUDES==1: Packed structs support using \#include files before and after struct to be packed.\n
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* The file included BEFORE the struct is "arch/bpstruct.h".\n
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* The file included BEFORE the struct is "arch/bpstruct.h".\n
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* The file included AFTER the struct is "arch/epstruct.h".\n
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* The file included AFTER the struct is "arch/epstruct.h".\n
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* This can be used to implement struct packing on MS Visual C compilers, see
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* This can be used to implement struct packing on MS Visual C compilers, see
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@ -295,6 +295,14 @@ extern "C" {
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#define LWIP_UNUSED_ARG(x) (void)x
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#define LWIP_UNUSED_ARG(x) (void)x
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#endif /* LWIP_UNUSED_ARG */
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#endif /* LWIP_UNUSED_ARG */
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/** LWIP_PROVIDE_ERRNO==1: Let lwIP provide ERRNO values and the 'errno' variable.
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* If this is disabled, cc.h must either define 'errno', include <errno.h> or
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* define LWIP_ERRNO_INCLUDE to <errno.h> or equivalent.
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*/
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#if defined __DOXYGEN__
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#define LWIP_PROVIDE_ERRNO
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#endif
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/**
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/**
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* @}
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* @}
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*/
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*/
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