commit: 574cba3bcbca15ed5afc776e3c69c63618149ad8
parent fe421b6954647f181795ccc8fce7046c4316ceef
Author: fosslinux <fosslinux@aussies.space>
Date: Tue, 16 Feb 2021 16:33:10 +1100
Merge pull request #41 from pder/stdio-flush-on-exit
Flush stdio buffers on exit
Diffstat:
2 files changed, 64 insertions(+), 21 deletions(-)
diff --git a/sysa/musl-1.1.24/patches/stdio_flush_on_exit.patch b/sysa/musl-1.1.24/patches/stdio_flush_on_exit.patch
@@ -0,0 +1,64 @@
+SPDX-FileCopyrightText: 2021 Paul Dersey <pdersey@gmail.com>
+
+SPDX-License-Identifier: MIT
+
+Make sure real __stdio_exit() is called on exit and not the dummy
+noop versions. This fixes the issue of truncated output when redirecting
+output to a file or pipe. It also fixes truncated output on programs
+that forget to call fclose()
+diff --git a/src/exit/exit.c b/src/exit/exit.c
+index a6869b37..a4164682 100644
+--- src/exit/exit.c
++++ src/exit/exit.c
+@@ -2,16 +2,6 @@
+ #include <stdint.h>
+ #include "libc.h"
+
+-static void dummy()
+-{
+-}
+-
+-/* atexit.c and __stdio_exit.c override these. the latter is linked
+- * as a consequence of linking either __toread.c or __towrite.c. */
+-weak_alias(dummy, __funcs_on_exit);
+-weak_alias(dummy, __stdio_exit);
+-weak_alias(dummy, _fini);
+-
+ extern weak hidden void (*const __fini_array_start)(void), (*const __fini_array_end)(void);
+
+ static void libc_exit_fini(void)
+diff --git a/src/internal/stdio_impl.h b/src/internal/stdio_impl.h
+index d7398f59..69141813 100644
+--- src/internal/stdio_impl.h
++++ src/internal/stdio_impl.h
+@@ -47,9 +47,9 @@ struct _IO_FILE {
+ struct __locale_struct *locale;
+ };
+
+-extern hidden FILE *volatile __stdin_used;
+-extern hidden FILE *volatile __stdout_used;
+-extern hidden FILE *volatile __stderr_used;
++extern FILE *volatile __stdin_used;
++extern FILE *volatile __stdout_used;
++extern FILE *volatile __stderr_used;
+
+ hidden int __lockfile(FILE *);
+ hidden void __unlockfile(FILE *);
+diff --git a/src/stdio/__stdio_exit.c b/src/stdio/__stdio_exit.c
+index a5e42c67..5947a141 100644
+--- src/stdio/__stdio_exit.c
++++ src/stdio/__stdio_exit.c
+@@ -1,10 +1,5 @@
+ #include "stdio_impl.h"
+
+-static FILE *volatile dummy_file = 0;
+-weak_alias(dummy_file, __stdin_used);
+-weak_alias(dummy_file, __stdout_used);
+-weak_alias(dummy_file, __stderr_used);
+-
+ static void close_file(FILE *f)
+ {
+ if (!f) return;
+--
+2.30.0
+
diff --git a/sysa/musl-1.1.24/patches/stdout_force_line_buffering.patch b/sysa/musl-1.1.24/patches/stdout_force_line_buffering.patch
@@ -1,21 +0,0 @@
-SPDX-FileCopyrightText: 2021 Paul Dersey <pdersey@gmail.com>
-
-SPDX-License-Identifier: MIT
-
-Force writing to stdout to use line buffering. Works around problem
-with pipes and redirecting stdout.
-
---- src/stdio/__stdout_write.c
-+++ src/stdio/__stdout_write.c
-@@ -5,7 +5,6 @@ size_t __stdout_write(FILE *f, const unsigned char *buf, size_t len)
- {
- struct winsize wsz;
- f->write = __stdio_write;
-- if (!(f->flags & F_SVB) && __syscall(SYS_ioctl, f->fd, TIOCGWINSZ, &wsz))
-- f->lbf = -1;
-+ f->lbf = '\n';
- return __stdio_write(f, buf, len);
- }
---
-2.30.0
-