commit: c2e5a1c01a74f25abfc9019a147b271f7d6cf52b
parent 1eb67e5fd1f6c6131ac7c43a481007045b750f79
Author: Paul Dersey <pdersey@gmail.com>
Date: Thu, 11 Feb 2021 17:13:45 -0500
musl: Force line buffering when writing to stdout
This is a workaround for an issue in which binaries compiled with our
tcc+musl toolchain can fail to write complete output when stdout is
redirected to a file or pipe.
Diffstat:
1 file changed, 21 insertions(+), 0 deletions(-)
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
@@ -0,0 +1,21 @@
+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
+
