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secp256k1_context_destroy: Allow NULL argument as a no-op

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This commit is contained in:
Luke Dashjr 2015-09-01 01:41:35 +00:00
parent 64b730bc3f
commit 9aac008038
2 changed files with 4 additions and 1 deletions
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2
include/secp256k1.h
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@ -160,7 +160,7 @@ secp256k1_context_t* secp256k1_context_clone(
*/ */
void secp256k1_context_destroy( void secp256k1_context_destroy(
secp256k1_context_t* ctx secp256k1_context_t* ctx
) SECP256K1_ARG_NONNULL(1); );
/** Set a callback function to be called when an illegal argument is passed to /** Set a callback function to be called when an illegal argument is passed to
* an API call. It will only trigger for violations that are mentioned * an API call. It will only trigger for violations that are mentioned

3
src/secp256k1.c
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@ -85,6 +85,9 @@ secp256k1_context_t* secp256k1_context_clone(const secp256k1_context_t* ctx) {
} }
void secp256k1_context_destroy(secp256k1_context_t* ctx) { void secp256k1_context_destroy(secp256k1_context_t* ctx) {
if (!ctx)
return;
secp256k1_ecmult_context_clear(&ctx->ecmult_ctx); secp256k1_ecmult_context_clear(&ctx->ecmult_ctx);
secp256k1_ecmult_gen_context_clear(&ctx->ecmult_gen_ctx); secp256k1_ecmult_gen_context_clear(&ctx->ecmult_gen_ctx);