23 lines
599 B
Diff
23 lines
599 B
Diff
diff --git a/src/extra/ipv4.c b/src/extra/ipv4.c
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index 797bab1..37eae7b 100644
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--- a/src/extra/ipv4.c
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+++ b/src/extra/ipv4.c
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@@ -20,6 +20,17 @@
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#include "internal.h"
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+// on debian linux system netinet/ip.h has this define
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+// on ndk-sysroot there are only in linux/ip.h but include it
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+// introduce an issue on redifinition
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+#define IPTOS_CLASS_MASK 0xe0
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+#define IPTOS_CLASS(class) ((class) & IPTOS_CLASS_MASK)
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+
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+#define IPTOS_PREC(tos) IPTOS_CLASS(tos)
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+
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+#define IPTOS_TOS_MASK 0x1E
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+#define IPTOS_TOS(tos) ((tos) & IPTOS_TOS_MASK)
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+
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/**
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* \defgroup ipv4 IPv4 helper functions
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* @{
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