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fixed bug #47625 (Error in compilation of C++ source using netifapi macros) by changing NULL define for __cplusplus

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sg 2016-04-05 21:04:06 +02:00
parent 0731eda0b3
commit 03e9c88488
1 changed files with 4 additions and 0 deletions
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4
src/include/lwip/def.h
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@ -53,8 +53,12 @@ extern "C" {
#define LWIP_ARRAYSIZE(x) (sizeof(x)/sizeof((x)[0]))
#ifndef NULL
#ifdef __cplusplus
#define NULL 0
#else
#define NULL ((void *)0)
#endif
#endif
/* Endianess-optimized shifting of two u8_t to create one u16_t */
#if BYTE_ORDER == LITTLE_ENDIAN