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authorJonathan Reem <[email protected]>2014-10-04 18:18:02 -0700
committerJonathan Reem <[email protected]>2014-10-04 18:18:02 -0700
commitc22b3c5063da942954b0b71b03317bf2da058c7e (patch)
tree9c0399824b008846677b022a1b88b5a1df85bc40 /native
parentMerge pull request #61 from alexcrichton/memcmp (diff)
downloadrust-openssl-c22b3c5063da942954b0b71b03317bf2da058c7e.tar.xz
rust-openssl-c22b3c5063da942954b0b71b03317bf2da058c7e.zip
Add a dummy bn_is_zero C dependency to wrap BN_is_zero
This is necessary because on some architectures BN_is_zero is a CPP macro, so trying to link against it in an `extern "C"` block causes a linker error. This also introduces a build command to Cargo to compile the bn_is_zero wrapper.
Diffstat (limited to 'native')
-rw-r--r--native/bn_is_zero.c4
-rw-r--r--native/bn_is_zero.h1
2 files changed, 5 insertions, 0 deletions
diff --git a/native/bn_is_zero.c b/native/bn_is_zero.c
new file mode 100644
index 00000000..b0a4300b
--- /dev/null
+++ b/native/bn_is_zero.c
@@ -0,0 +1,4 @@
+#include <openssl/bn.h>
+
+int bn_is_zero(BIGNUM *x) { return BN_is_zero(x); }
+
diff --git a/native/bn_is_zero.h b/native/bn_is_zero.h
new file mode 100644
index 00000000..8ec36c35
--- /dev/null
+++ b/native/bn_is_zero.h
@@ -0,0 +1 @@
+int bn_is_zero(BIGNUM *x);