X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fcrypt%2Fcrypt_r.c;h=5982c4c9abc7db638b9c949c905ad37a03824f02;hb=4a30ba5ca4072e85e42e84547572e958871952a2;hp=3257e8b936ce7f5cbd08e1d5fc0745c181116570;hpb=93ea998c9c5a29cb34f3171f24f96d3cfe4f9cb6;p=musl

diff --git a/src/crypt/crypt_r.c b/src/crypt/crypt_r.c
index 3257e8b9..5982c4c9 100644
--- a/src/crypt/crypt_r.c
+++ b/src/crypt/crypt_r.c
@@ -11,6 +11,10 @@ char *__crypt_sha512(const char *, const char *, char *);
 
 char *__crypt_r(const char *key, const char *salt, struct crypt_data *data)
 {
+	/* Per the crypt_r API, the caller has provided a pointer to
+	 * struct crypt_data; however, this implementation does not
+	 * use the structure to store any internal state, and treats
+	 * it purely as a char buffer for storing the result. */
 	char *output = (char *)data;
 	if (salt[0] == '$' && salt[1] && salt[2]) {
 		if (salt[1] == '1' && salt[2] == '$')