Upgrade to Digest::MD5 2.18. files.t doesn't

[p5sagit/p5-mst-13.2.git] / ext / Digest / MD5 / MD5.xs

diff --git a/ext/Digest/MD5/MD5.xs b/ext/Digest/MD5/MD5.xs
index 5828df3..4a30550 100644 (file)
--- a/ext/Digest/MD5/MD5.xs
+++ b/ext/Digest/MD5/MD5.xs
@@ -1,3 +1,5 @@
+/* $Id: MD5.xs,v 1.34 2002/05/01 23:30:28 gisle Exp $ */
+
 /* 
  * This library is free software; you can redistribute it and/or
  * modify it under the same terms as Perl itself.
@@ -42,7 +44,27 @@ extern "C" {
 }
 #endif
 
-#ifndef SvPVbyte
+#include "patchlevel.h"
+#if PATCHLEVEL <= 4 && !defined(PL_dowarn)
+   #define PL_dowarn dowarn
+#endif
+
+#ifdef SvPVbyte
+   #if PERL_REVISION == 5 && PERL_VERSION < 7
+       /* SvPVbyte does not work in perl-5.6.1, borrowed version for 5.7.3 */
+       #undef SvPVbyte
+       #define SvPVbyte(sv, lp) \
+         ((SvFLAGS(sv) & (SVf_POK|SVf_UTF8)) == (SVf_POK) \
+          ? ((lp = SvCUR(sv)), SvPVX(sv)) : my_sv_2pvbyte(aTHX_ sv, &lp))
+
+       static char *
+       my_sv_2pvbyte(pTHX_ register SV *sv, STRLEN *lp)
+       {
+          sv_utf8_downgrade(sv,0);
+           return SvPV(sv,*lp);
+       }
+   #endif
+#else
    #define SvPVbyte SvPV
 #endif
 
@@ -80,10 +102,10 @@ extern "C" {
 #ifndef BYTESWAP
 static void u2s(U32 u, U8* s)
 {
-    *s++ = u         & 0xFF;
-    *s++ = (u >>  8) & 0xFF;
-    *s++ = (u >> 16) & 0xFF;
-    *s   = (u >> 24) & 0xFF;
+    *s++ = (U8)(u         & 0xFF);
+    *s++ = (U8)((u >>  8) & 0xFF);
+    *s++ = (U8)((u >> 16) & 0xFF);
+    *s   = (U8)((u >> 24) & 0xFF);
 }
 
 #define s2u(s,u) ((u) =  (U32)(*s)            |  \
@@ -619,14 +641,31 @@ md5(...)
        unsigned char digeststr[16];
     PPCODE:
        MD5Init(&ctx);
-       if (PL_dowarn && items > 1) {
-           data = (unsigned char *)SvPVbyte(ST(0), len);
-           if (len == 11 && memEQ("Digest::MD5", data, 11)) {
-                char *f = (ix == F_BIN) ? "md5" :
-                           (ix == F_HEX) ? "md5_hex" : "md5_base64";
-                warn("&Digest::MD5::%s function probably called as method", f);
-            }
+
+       if (PL_dowarn) {
+            char *msg = 0;
+           if (items == 1) {
+               if (SvROK(ST(0))) {
+                    SV* sv = SvRV(ST(0));
+                   if (SvOBJECT(sv) && strEQ(HvNAME(SvSTASH(sv)), "Digest::MD5"))
+                       msg = "probably called as method";
+                   else
+                       msg = "called with reference argument";
+               }
+           }
+           else if (items > 1) {
+               data = (unsigned char *)SvPVbyte(ST(0), len);
+               if (len == 11 && memEQ("Digest::MD5", data, 11)) {
+                   msg = "probably called as class method";
+               }
+           }
+           if (msg) {
+               char *f = (ix == F_BIN) ? "md5" :
+                          (ix == F_HEX) ? "md5_hex" : "md5_base64";
+               warn("&Digest::MD5::%s function %s", f, msg);
+           }
        }
+
        for (i = 0; i < items; i++) {
            data = (unsigned char *)(SvPVbyte(ST(i), len));
            MD5Update(&ctx, data, len);