added comments, made non-external functions static.

diff --git a/lib/MD5.c b/lib/MD5.c
index 7107b40..cfadea1 100644 (file)
--- a/lib/MD5.c
+++ b/lib/MD5.c
@@ -30,6 +30,8 @@
  * SUCH DAMAGE.
  */
 
+#include <string.h>
+
 #ifndef _NETINET6_MD5_H_
 #define _NETINET6_MD5_H_
 
@@ -65,10 +67,10 @@ typedef struct {
        u_int8_t        md5_buf[MD5_BUFLEN];
 } md5_ctxt;
 
-extern void md5_init(md5_ctxt *);
-extern void md5_loop(md5_ctxt *, const u_int8_t *, u_int);
-extern void md5_pad(md5_ctxt *);
-extern void md5_result(u_int8_t *, md5_ctxt *);
+static void md5_init(md5_ctxt *);
+static void md5_loop(md5_ctxt *, const u_int8_t *, u_int);
+static void md5_pad(md5_ctxt *);
+static void md5_result(u_int8_t *, md5_ctxt *);
 
 /* compatibility */
 #define MD5_CTX                md5_ctxt
@@ -124,7 +126,7 @@ do {                                \
 static char itoa64[] =          /* 0 ... 63 => ascii - 64 */
         "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 
-void
+static void
 _crypt_to64(char *s, u_long v, int n)
 {
         while (--n >= 0) {
@@ -366,7 +368,7 @@ static const u_int8_t md5_paddat[MD5_BUFLEN] = {
 
 static void md5_calc(u_int8_t *, md5_ctxt *);
 
-void md5_init(ctxt)
+static void md5_init(ctxt)
        md5_ctxt *ctxt;
 {
        ctxt->md5_n = 0;
@@ -378,7 +380,7 @@ void md5_init(ctxt)
        bzero(ctxt->md5_buf, sizeof(ctxt->md5_buf));
 }
 
-void md5_loop(ctxt, input, len)
+static void md5_loop(ctxt, input, len)
        md5_ctxt *ctxt;
        const u_int8_t *input;
        u_int len; /* number of bytes */
@@ -406,7 +408,7 @@ void md5_loop(ctxt, input, len)
        }
 }
 
-void md5_pad(ctxt)
+static void md5_pad(ctxt)
        md5_ctxt *ctxt;
 {
        u_int gap;
@@ -445,7 +447,7 @@ void md5_pad(ctxt)
        md5_calc(ctxt->md5_buf, ctxt);
 }
 
-void md5_result(digest, ctxt)
+static void md5_result(digest, ctxt)
        u_int8_t *digest;
        md5_ctxt *ctxt;
 {

diff --git a/lib/MD5.h b/lib/MD5.h
index 9d05cbb..cfe2b75 100644 (file)
--- a/lib/MD5.h
+++ b/lib/MD5.h
@@ -23,5 +23,6 @@
 
 #ifndef __MD5_h__
 #define __MD5_h__
+/* WARNING: crypt_md5 is not reentrant */
 char * crypt_md5(const char *pw, const char *salt);
 #endif