Use the return value from sprintf and avoid a call to strlen

p4raw-id: //depot/perl@25862

diff --git a/sv.c b/sv.c
index 53ef6e0..f189502 100644 (file)
--- a/sv.c
+++ b/sv.c
@@ -9642,8 +9642,11 @@ Perl_sv_vcatpvfn(pTHX_ SV *sv, const char *pat, STRLEN patlen, va_list *args, SV
                   aka precis is 0  */
                if ( c == 'g' && precis) {
                    Gconvert((NV)nv, (int)precis, 0, PL_efloatbuf);
-                   if (*PL_efloatbuf)  /* May return an empty string for digits==0 */
+                   /* May return an empty string for digits==0 */
+                   if (*PL_efloatbuf) {
+                       elen = strlen(PL_efloatbuf);
                        goto float_converted;
+                   }
                } else if ( c == 'f' && !precis) {
                    if ((eptr = F0convert(nv, ebuf + sizeof ebuf, &elen)))
                        break;
@@ -9687,17 +9690,15 @@ Perl_sv_vcatpvfn(pTHX_ SV *sv, const char *pat, STRLEN patlen, va_list *args, SV
                 * where printf() taints but print($float) doesn't.
                 * --jhi */
 #if defined(HAS_LONG_DOUBLE)
-               if (intsize == 'q')
-                   (void)sprintf(PL_efloatbuf, ptr, nv);
-               else
-                   (void)sprintf(PL_efloatbuf, ptr, (double)nv);
+               elen = ((intsize == 'q')
+                       ? my_sprintf(PL_efloatbuf, ptr, nv)
+                       : my_sprintf(PL_efloatbuf, ptr, (double)nv));
 #else
-               (void)sprintf(PL_efloatbuf, ptr, nv);
+               elen = my_sprintf(PL_efloatbuf, ptr, nv);
 #endif
            }
        float_converted:
            eptr = PL_efloatbuf;
-           elen = strlen(PL_efloatbuf);
            break;
 
            /* SPECIAL */