Sync with libnet 1.16

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

diff --git a/sv.c b/sv.c
index 932438b..4e6d930 100644 (file)
--- a/sv.c
+++ b/sv.c
@@ -9329,6 +9329,13 @@ Perl_sv_vcatpvfn(pTHX_ SV *sv, const char *pat, STRLEN patlen, va_list *args, SV
             p = SvEND(sv);
             *p = '\0';
        }
+       /* Use memchr() instead of strchr(), as eptr is not guaranteed */
+       /* to point to a null-terminated string.                       */
+       if (left && ckWARN(WARN_PRINTF) && memchr(eptr, '\n', elen) && 
+           (PL_op->op_type == OP_PRTF || PL_op->op_type == OP_SPRINTF)) 
+           Perl_warner(aTHX_ packWARN(WARN_PRINTF),
+               "Newline in left-justified string for %sprintf",
+                       (PL_op->op_type == OP_PRTF) ? "" : "s");
        
        have = esignlen + zeros + elen;
        need = (have > width ? have : width);