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Text mode wrongly set on pipe file descriptors
[perl5.git] / util.c
diff --git a/util.c b/util.c
index 8dfe417..c5f69ae 100644 (file)
--- a/util.c
+++ b/util.c
@@ -2356,6 +2356,14 @@ Perl_my_popen(pTHX_ const char *cmd, const char *mode)
            PerlProc__exit(1);
        }
 #endif /* defined OS2 */
            PerlProc__exit(1);
        }
 #endif /* defined OS2 */
+
+#ifdef PERLIO_USING_CRLF
+   /* Since we circumvent IO layers when we manipulate low-level
+      filedescriptors directly, need to manually switch to the
+      default, binary, low-level mode; see PerlIOBuf_open(). */
+   PerlLIO_setmode((*mode == 'r'), O_BINARY);
+#endif 
+
        if ((tmpgv = gv_fetchpvs("$", GV_ADD|GV_NOTQUAL, SVt_PV))) {
            SvREADONLY_off(GvSV(tmpgv));
            sv_setiv(GvSV(tmpgv), PerlProc_getpid());
        if ((tmpgv = gv_fetchpvs("$", GV_ADD|GV_NOTQUAL, SVt_PV))) {
            SvREADONLY_off(GvSV(tmpgv));
            sv_setiv(GvSV(tmpgv), PerlProc_getpid());