diff options
| author | Rich Felker <dalias@aerifal.cx> | 2013-04-20 14:07:01 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2013-04-20 14:07:01 -0400 |
| commit | 71ae0c724dd49d493621b367d17079f8cc70443c (patch) | |
| tree | 3d4bf52c1a2d74b773dbd91938198d3f46e7c58d /src/crypt/crypt.c | |
| parent | 5d37b79793b17edcc6fe71b8a7de318276904fd8 (diff) | |
| download | musl-71ae0c724dd49d493621b367d17079f8cc70443c.tar.gz musl-71ae0c724dd49d493621b367d17079f8cc70443c.tar.xz musl-71ae0c724dd49d493621b367d17079f8cc70443c.zip | |
comment potentially-confusing use of struct crypt_data type
Diffstat (limited to 'src/crypt/crypt.c')
| -rw-r--r-- | src/crypt/crypt.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/crypt/crypt.c b/src/crypt/crypt.c index f1e310f6..46500737 100644 --- a/src/crypt/crypt.c +++ b/src/crypt/crypt.c @@ -5,7 +5,12 @@ char *__crypt_r(const char *, const char *, struct crypt_data *); char *crypt(const char *key, const char *salt) { - /* Note: update this size when we add more hash types */ + /* This buffer is sufficiently large for all + * currently-supported hash types. It needs to be updated if + * longer hashes are added. The cast to struct crypt_data * is + * purely to meet the public API requirements of the crypt_r + * function; the implementation of crypt_r uses the object + * purely as a char buffer. */ static char buf[128]; return __crypt_r(key, salt, (struct crypt_data *)buf); } |