Fix for "[ID 20000329.080] quad printing does not work as documented",

[p5sagit/p5-mst-13.2.git] / mg.c

diff --git a/mg.c b/mg.c
index 96d268b..27039fa 100644 (file)
--- a/mg.c
+++ b/mg.c
@@ -386,12 +386,12 @@ Perl_magic_len(pTHX_ SV *sv, MAGIC *mg)
     register I32 paren;
     register I32 i;
     register REGEXP *rx;
+    I32 s1, t1;
 
     switch (*mg->mg_ptr) {
     case '1': case '2': case '3': case '4':
     case '5': case '6': case '7': case '8': case '9': case '&':
        if (PL_curpm && (rx = PL_curpm->op_pmregexp)) {
-           I32 s1, t1;
 
            paren = atoi(mg->mg_ptr);
          getparen:
@@ -400,6 +400,16 @@ Perl_magic_len(pTHX_ SV *sv, MAGIC *mg)
                (t1 = rx->endp[paren]) != -1)
            {
                i = t1 - s1;
+             getlen:
+               if (i > 0 && (PL_curpm->op_pmdynflags & PMdf_UTF8) && !IN_BYTE) {
+                   char *s = rx->subbeg + s1;
+                   char *send = rx->subbeg + t1;
+                   i = 0;
+                   while (s < send) {
+                       s += UTF8SKIP(s);
+                       i++;
+                   }
+               }
                if (i >= 0)
                    return i;
            }
@@ -416,8 +426,11 @@ Perl_magic_len(pTHX_ SV *sv, MAGIC *mg)
        if (PL_curpm && (rx = PL_curpm->op_pmregexp)) {
            if (rx->startp[0] != -1) {
                i = rx->startp[0];
-               if (i >= 0)
-                   return i;
+               if (i > 0) {
+                   s1 = 0;
+                   t1 = i;
+                   goto getlen;
+               }
            }
        }
        return 0;
@@ -425,8 +438,11 @@ Perl_magic_len(pTHX_ SV *sv, MAGIC *mg)
        if (PL_curpm && (rx = PL_curpm->op_pmregexp)) {
            if (rx->endp[0] != -1) {
                i = rx->sublen - rx->endp[0];
-               if (i >= 0)
-                   return i;
+               if (i > 0) {
+                   s1 = rx->endp[0];
+                   t1 = rx->sublen;
+                   goto getlen;
+               }
            }
        }
        return 0;
@@ -565,17 +581,18 @@ Perl_magic_get(pTHX_ SV *sv, MAGIC *mg)
        if (*(mg->mg_ptr+1) == '\0')
            sv_setiv(sv, (IV)((PL_dowarn & G_WARN_ON) ? TRUE : FALSE));
        else if (strEQ(mg->mg_ptr, "\027ARNING_BITS")) {
-           if (PL_compiling.cop_warnings == WARN_NONE ||
-               PL_compiling.cop_warnings == WARN_STD)
+           if (PL_compiling.cop_warnings == pWARN_NONE ||
+               PL_compiling.cop_warnings == pWARN_STD)
            {
                sv_setpvn(sv, WARN_NONEstring, WARNsize) ;
             }
-            else if (PL_compiling.cop_warnings == WARN_ALL) {
+            else if (PL_compiling.cop_warnings == pWARN_ALL) {
                sv_setpvn(sv, WARN_ALLstring, WARNsize) ;
            }    
             else {
                sv_setsv(sv, PL_compiling.cop_warnings);
            }    
+           SvPOK_only(sv);
        }
        else if (strEQ(mg->mg_ptr, "\027IDE_SYSTEM_CALLS"))
            sv_setiv(sv, (IV)PL_widesyscalls);
@@ -1715,23 +1732,30 @@ Perl_magic_set(pTHX_ SV *sv, MAGIC *mg)
            if ( ! (PL_dowarn & G_WARN_ALL_MASK)) {
                if (!SvPOK(sv) && PL_localizing) {
                    sv_setpvn(sv, WARN_NONEstring, WARNsize);
-                   PL_compiling.cop_warnings = WARN_NONE;
+                   PL_compiling.cop_warnings = pWARN_NONE;
                    break;
                }
-                if (memEQ(SvPVX(sv), WARN_ALLstring, WARNsize)) {
-                   PL_compiling.cop_warnings = WARN_ALL;
+                if (isWARN_on(sv, WARN_ALL)) {
+                   PL_compiling.cop_warnings = pWARN_ALL;
                    PL_dowarn |= G_WARN_ONCE ;
                }       
-               else if (memEQ(SvPVX(sv), WARN_NONEstring, WARNsize))
-                   PL_compiling.cop_warnings = WARN_NONE;
-                else {
-                   if (specialWARN(PL_compiling.cop_warnings))
-                       PL_compiling.cop_warnings = newSVsv(sv) ;
-                   else
-                       sv_setsv(PL_compiling.cop_warnings, sv);
-                   if (isWARN_on(PL_compiling.cop_warnings, WARN_ONCE))
-                       PL_dowarn |= G_WARN_ONCE ;
-               }
+               else {
+                   STRLEN len, i;
+                   int accumulate = 0 ;
+                   char * ptr = (char*)SvPV(sv, len) ;
+                   for (i = 0 ; i < len ; ++i) 
+                       accumulate += ptr[i] ;
+                   if (!accumulate)
+                       PL_compiling.cop_warnings = pWARN_NONE;
+                    else {
+                       if (specialWARN(PL_compiling.cop_warnings))
+                           PL_compiling.cop_warnings = newSVsv(sv) ;
+                       else
+                           sv_setsv(PL_compiling.cop_warnings, sv);
+                       if (isWARN_on(PL_compiling.cop_warnings, WARN_ONCE))
+                           PL_dowarn |= G_WARN_ONCE ;
+                   }
+               }
            }
        }
        else if (strEQ(mg->mg_ptr, "\027IDE_SYSTEM_CALLS"))