try not to call memcpy with length 0 in hash calculations

[apt.git] / apt-pkg / contrib / md5.h

diff --git a/apt-pkg/contrib/md5.h b/apt-pkg/contrib/md5.h
index a16ea4d2d673dd09a73a567b2478b669548552ab..a286f092aa0b6bf1e264b9e541657249bc7a9a85 100644 (file)
--- a/apt-pkg/contrib/md5.h
+++ b/apt-pkg/contrib/md5.h
@@ -48,7 +48,7 @@ class MD5Summation : public SummationImplementation
 
    public:
 
-   bool Add(const unsigned char *inbuf, unsigned long long inlen) APT_OVERRIDE;
+   bool Add(const unsigned char *inbuf, unsigned long long inlen) APT_OVERRIDE APT_NONNULL(2);
    using SummationImplementation::Add;
 
    MD5SumValue Result();