docs: updates for git-based cmpVERSION.pl

[perl5.git] / perlio.c

diff --git a/perlio.c b/perlio.c
index 7da7505..57a61d9 100644 (file)
--- a/perlio.c
+++ b/perlio.c
@@ -807,17 +807,16 @@ PerlIO_find_layer(pTHX_ const char *name, STRLEN len, int load)
            SV * const layer = newSVpvn(name, len);
            CV * const cv    = get_cvs("PerlIO::Layer::NoWarnings", 0);
            ENTER;
-           SAVEINT(PL_in_load_module);
+           SAVEBOOL(PL_in_load_module);
            if (cv) {
                SAVEGENERICSV(PL_warnhook);
                PL_warnhook = MUTABLE_SV((SvREFCNT_inc_simple_NN(cv)));
            }
-           PL_in_load_module++;
+           PL_in_load_module = TRUE;
            /*
             * The two SVs are magically freed by load_module
             */
            Perl_load_module(aTHX_ 0, pkgsv, NULL, layer, NULL);
-           PL_in_load_module--;
            LEAVE;
            return PerlIO_find_layer(aTHX_ name, len, 0);
        }
@@ -4110,7 +4109,7 @@ PerlIOBuf_get_base(pTHX_ PerlIO *f)
     if (!b->buf) {
        if (!b->bufsiz)
            b->bufsiz = 4096;
-       b->buf = Newxz(b->buf,b->bufsiz, STDCHAR);
+       Newxz(b->buf,b->bufsiz, STDCHAR);
        if (!b->buf) {
            b->buf = (STDCHAR *) & b->oneword;
            b->bufsiz = sizeof(b->oneword);
@@ -5157,16 +5156,18 @@ PerlIO_tmpfile(void)
      int fd = -1;
      char tempname[] = "/tmp/PerlIO_XXXXXX";
      const char * const tmpdir = PL_tainting ? NULL : PerlEnv_getenv("TMPDIR");
-     SV * const sv = tmpdir && *tmpdir ? newSVpv(tmpdir, 0) : NULL;
+     SV * sv;
      /*
       * I have no idea how portable mkstemp() is ... NI-S
       */
-     if (sv) {
+     if (tmpdir && *tmpdir) {
         /* if TMPDIR is set and not empty, we try that first */
+        sv = newSVpv(tmpdir, 0);
         sv_catpv(sv, tempname + 4);
         fd = mkstemp(SvPVX(sv));
      }
      if (fd < 0) {
+        sv = NULL;
         /* else we try /tmp */
         fd = mkstemp(tempname);
      }