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-rw-r--r--perlio.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/perlio.c b/perlio.c
index a508b645fe..4de214dfcb 100644
--- a/perlio.c
+++ b/perlio.c
@@ -2609,7 +2609,7 @@ PerlIOStdio_mode(const char *mode, char *tmode)
while (*mode) {
*tmode++ = *mode++;
}
-#ifdef PERLIO_USING_CRLF
+#if defined(PERLIO_USING_CRLF) || defined(__CYGWIN__)
*tmode++ = 'b';
#endif
*tmode = '\0';
@@ -2710,15 +2710,23 @@ PerlIOStdio_open(pTHX_ PerlIO_funcs *self, PerlIO_list_t *layers,
fd = PerlLIO_open3(path, imode, perm);
}
else {
- FILE *stdio = PerlSIO_fopen(path, mode);
+ FILE *stdio;
+ bool appended = FALSE;
+#ifdef __CYGWIN__
+ /* Cygwin wants its 'b' early. */
+ appended = TRUE;
+ mode = PerlIOStdio_mode(mode, tmode);
+#endif
+ stdio = PerlSIO_fopen(path, mode);
if (stdio) {
PerlIOStdio *s;
if (!f) {
f = PerlIO_allocate(aTHX);
}
- if ((f = PerlIO_push(aTHX_ f, self,
- (mode = PerlIOStdio_mode(mode, tmode)),
- PerlIOArg))) {
+ if (!appended)
+ mode = PerlIOStdio_mode(mode, tmode);
+ f = PerlIO_push(aTHX_ f, self, mode, PerlIOArg);
+ if (f) {
s = PerlIOSelf(f, PerlIOStdio);
s->stdio = stdio;
PerlIOUnix_refcnt_inc(fileno(s->stdio));