Avoid potentially empty struct.

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

diff --git a/locale.c b/locale.c
index 2c84ab5..02d546d 100644 (file)
--- a/locale.c
+++ b/locale.c
@@ -216,7 +216,7 @@ Perl_new_collate(pTHX_ char *newcoll)
          SSize_t mult = fb - fa;
          if (mult < 1)
              Perl_croak(aTHX_ "strxfrm() gets absurd");
-         PL_collxfrm_base = (fa > mult) ? (fa - mult) : 0;
+         PL_collxfrm_base = (fa > (Size_t)mult) ? (fa - mult) : 0;
          PL_collxfrm_mult = mult;
        }
     }
@@ -481,6 +481,7 @@ Perl_init_i18nl10n(pTHX_ int printwarn)
             (ibcmp(codeset,  "UTF-8", 5) == 0 ||
              ibcmp(codeset,  "UTF8",  4) == 0))
              wantutf8 = TRUE;
+#if defined(USE_LOCALE)
 #ifdef __GLIBC__
         if (!wantutf8 && language &&
             (ibcmp(language, "UTF-8", 5) == 0 ||
@@ -501,6 +502,7 @@ Perl_init_i18nl10n(pTHX_ int printwarn)
             (ibcmp(lang,     "UTF-8", 5) == 0 ||
              ibcmp(lang,     "UTF8",  4) == 0))
              wantutf8 = TRUE;
+#endif /* USE_LOCALE */
         if (wantutf8)
              PL_wantutf8 = TRUE;
     }
@@ -559,7 +561,7 @@ Perl_mem_collxfrm(pTHX_ const char *s, STRLEN len, STRLEN *xlen)
            xused = strxfrm(xbuf + xout, s + xin, xAlloc - xout);
            if (xused == -1)
                goto bad;
-           if (xused < xAlloc - xout)
+           if ((STRLEN)xused < xAlloc - xout)
                break;
            xAlloc = (2 * xAlloc) + 1;
            Renew(xbuf, xAlloc, char);