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* [newlib-cygwin/main] stdio: set and test stream orientation in low-level input function __srget_r
@ 2023-11-20 20:02 Corinna Vinschen
0 siblings, 0 replies; only message in thread
From: Corinna Vinschen @ 2023-11-20 20:02 UTC (permalink / raw)
To: newlib-cvs
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=c190063f9658153988d735a333a7a3c7aeadc001
commit c190063f9658153988d735a333a7a3c7aeadc001
Author: Corinna Vinschen <corinna@vinschen.de>
AuthorDate: Mon Nov 20 20:47:52 2023 +0100
Commit: Corinna Vinschen <corinna@vinschen.de>
CommitDate: Mon Nov 20 20:59:13 2023 +0100
stdio: set and test stream orientation in low-level input function __srget_r
This allows to set and test orientation correctly if input is only
using macros from stdio.h. Wide-char-oriented functions must call
__srefill_r directly.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
Diff:
---
newlib/libc/stdio/rget.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/newlib/libc/stdio/rget.c b/newlib/libc/stdio/rget.c
index a9a0d2f2f246..38e8b5dd1959 100644
--- a/newlib/libc/stdio/rget.c
+++ b/newlib/libc/stdio/rget.c
@@ -39,6 +39,11 @@ __srget_r (struct _reent *ptr,
we call __srefill_r so we may access the true read buffer. */
CHECK_INIT(ptr, fp);
+ /* Have to set and check orientation here, otherwise the macros in
+ stdio.h never set it. */
+ if (ORIENT (fp, -1) != -1)
+ return EOF;
+
if (__srefill_r (ptr, fp) == 0)
{
fp->_r--;
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2023-11-20 20:02 [newlib-cygwin/main] stdio: set and test stream orientation in low-level input function __srget_r Corinna Vinschen
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