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| author | Werner Koch <[email protected]> | 2019-03-18 18:41:07 +0000 |
|---|---|---|
| committer | Werner Koch <[email protected]> | 2019-03-18 18:41:07 +0000 |
| commit | a52d883fdbe6e0de8cb26f9c6aedf01a7f66cbe7 (patch) | |
| tree | e59dfb41b24a12c314dbd1137637366315ac1453 /common/mischelp.c | |
| parent | kbx: Add framework for a public key daemon. (diff) | |
| parent | speedo: Fix installer build with NSIS-3 (diff) | |
| download | gnupg-a52d883fdbe6e0de8cb26f9c6aedf01a7f66cbe7.tar.gz gnupg-a52d883fdbe6e0de8cb26f9c6aedf01a7f66cbe7.zip | |
Merge branch 'master' into switch-to-gpgk
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Diffstat (limited to 'common/mischelp.c')
| -rw-r--r-- | common/mischelp.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/common/mischelp.c b/common/mischelp.c index 75ba60714..81dd501f8 100644 --- a/common/mischelp.c +++ b/common/mischelp.c @@ -49,6 +49,22 @@ #include "mischelp.h" +void +wipememory (void *ptr, size_t len) +{ +#if defined(HAVE_W32_SYSTEM) && defined(SecureZeroMemory) + SecureZeroMemory (ptr, len); +#elif defined(HAVE_EXPLICIT_BZERO) + explicit_bzero (ptr, len); +#else + /* Prevent compiler from optimizing away the call to memset by accessing + memset through volatile pointer. */ + static void *(*volatile memset_ptr)(void *, int, size_t) = (void *)memset; + memset_ptr (ptr, 0, len); +#endif +} + + /* Check whether the files NAME1 and NAME2 are identical. This is for example achieved by comparing the inode numbers of the files. */ int |