X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fcrypt%2Fcrypt.c;h=e6237e397fc757074907fb1684c5cfa14d5083c1;hb=fb10dc288d74442ea85c26b0ac3810f05377cba9;hp=f1e310f6f1ca406c12410c57c3f22b54e3bea0e8;hpb=b9bb8f67bbac9bab5314fb00974ad469476e936e;p=musl

diff --git a/src/crypt/crypt.c b/src/crypt/crypt.c
index f1e310f6..e6237e39 100644
--- a/src/crypt/crypt.c
+++ b/src/crypt/crypt.c
@@ -1,11 +1,14 @@
 #include <unistd.h>
 #include <crypt.h>
 
-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);
 }