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contrib: Explain explicit header guards
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They were added in dashpay#925 and deserve a comment.
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@real-or-random
real-or-random committed May 6, 2021
1 parent 3c90bdd commit 22a9ea1
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4 changes: 4 additions & 0 deletions contrib/lax_der_parsing.h
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Expand Up @@ -51,6 +51,10 @@
#ifndef SECP256K1_CONTRIB_LAX_DER_PARSING_H
#define SECP256K1_CONTRIB_LAX_DER_PARSING_H

/* #include secp256k1.h only when it hasn't been included yet.
This enables this file to be #included directly in other project
files (such as tests.c) without the need to set an explicit -I flag,
which would be necessary to locate secp256k1.h. */
#ifndef SECP256K1_H
#include <secp256k1.h>
#endif
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4 changes: 4 additions & 0 deletions contrib/lax_der_privatekey_parsing.h
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Expand Up @@ -28,6 +28,10 @@
#ifndef SECP256K1_CONTRIB_BER_PRIVATEKEY_H
#define SECP256K1_CONTRIB_BER_PRIVATEKEY_H

/* #include secp256k1.h only when it hasn't been included yet.
This enables this file to be #included directly in other project
files (such as tests.c) without the need to set an explicit -I flag,
which would be necessary to locate secp256k1.h. */
#ifndef SECP256K1_H
#include <secp256k1.h>
#endif
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