lib: Add GCC visibility(hidden) pragmas to private header files.

[notmuch] / lib / libsha1.h

diff --git a/lib/libsha1.h b/lib/libsha1.h
index b4dca93bab9026af9f75e69fbcc11838b1c12a49..c1c848fc4431d4e4161f81c1ed17590a91912313 100644 (file)
--- a/lib/libsha1.h
+++ b/lib/libsha1.h
@@ -43,6 +43,8 @@ extern "C"
 
 #include <stdint.h>
 
+#pragma GCC visibility push(hidden)
+
 /* Size of SHA1 digest */
 
 #define SHA1_DIGEST_SIZE 20
@@ -60,6 +62,8 @@ void sha1_hash(const unsigned char data[], unsigned long len, sha1_ctx ctx[1]);
 void sha1_end(unsigned char hval[], sha1_ctx ctx[1]);
 void sha1(unsigned char hval[], const unsigned char data[], unsigned long len);
 
+#pragma GCC visibility pop
+
 #if defined(__cplusplus)
 }
 #endif