X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=utf8.c;h=d73809c1640ba4ecbb66a04f13d10d2bab402a6f;hb=158e3910f3d0bce487277fa0db25247b664ed87c;hp=9d593bdc917b2e1337a7e90054db61d1d035f377;hpb=d1be9408a3c14848d30728674452e191ba5fffaa;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/utf8.c b/utf8.c
index 9d593bd..d73809c 100644
--- a/utf8.c
+++ b/utf8.c
@@ -1344,7 +1344,7 @@ Perl_swash_fetch(pTHX_ SV *sv, U8 *ptr, bool do_utf8)
     U32 off;
     STRLEN slen;
     STRLEN needents;
-    U8 *tmps;
+    U8 *tmps = NULL;
     U32 bit;
     SV *retval;
     U8 tmputf8[2];
@@ -1515,4 +1515,31 @@ Perl_utf8n_to_uvchr(pTHX_ U8 *s, STRLEN curlen, STRLEN *retlen, U32 flags)
     return UNI_TO_NATIVE(uv);
 }
 
+char *
+Perl_pv_uni_display(pTHX_ SV *dsv, U8 *spv, STRLEN len, STRLEN pvlim, UV flags)
+{
+    int truncated = 0;
+    char *s, *e;
 
+    sv_setpvn(dsv, "", 0);
+    for (s = (char *)spv, e = s + len; s < e; s += UTF8SKIP(s)) {
+	 UV u;
+	 if (pvlim && SvCUR(dsv) >= pvlim) {
+	      truncated++;
+	      break;
+	 }
+	 u = utf8_to_uvchr((U8*)s, 0);
+	 Perl_sv_catpvf(aTHX_ dsv, "\\x{%"UVxf"}", u);
+    }
+    if (truncated)
+	 sv_catpvn(dsv, "...", 3);
+    
+    return SvPVX(dsv);
+}
+
+char *
+Perl_sv_uni_display(pTHX_ SV *dsv, SV *ssv, STRLEN pvlim, UV flags)
+{
+  return Perl_pv_uni_display(aTHX_ dsv, (U8*)SvPVX(ssv), SvCUR(ssv),
+			     pvlim, flags);
+}