187 lines
3.9 KiB
Diff
187 lines
3.9 KiB
Diff
From: Tias Guns <tias@ulyssis.org>
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Date: Tue, 20 Mar 2012 23:45:32 +0000
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Subject: [PATCH] fix microcom, add cfsetspeed syscall from glibc
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based on 'misc-syscalls' by Dan Drown
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http://dan.drown.org/android/src/busybox/
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Signed-off-by: Tias Guns <tias@ulyssis.org>
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---
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libbb/cfsetspeed.c | 165 ++++++++++++++++++++++++++++++++++++++++++++++++++++
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1 file changed, 165 insertions(+)
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create mode 100644 libbb/cfsetspeed.c
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diff --git a/libbb/cfsetspeed.c b/libbb/cfsetspeed.c
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new file mode 100644
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index 0000000..ccf321a
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--- /dev/null
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+++ b/libbb/cfsetspeed.c
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@@ -0,0 +1,165 @@
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+/* Copyright (C) 1992,93,96,97,98,2001 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library; if not, write to the Free
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+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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+ 02111-1307 USA. */
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+
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+//kbuild:lib-$(CONFIG_MICROCOM) += cfsetspeed.o
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+//kbuild:lib-$(CONFIG_GETTY) += cfsetspeed.o
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+
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+#include <termios.h>
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+#include <errno.h>
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+#include <stddef.h>
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+
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+struct speed_struct
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+{
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+ speed_t value;
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+ speed_t internal;
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+};
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+
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+static const struct speed_struct speeds[] =
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+ {
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+#ifdef B0
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+ { 0, B0 },
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+#endif
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+#ifdef B50
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+ { 50, B50 },
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+#endif
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+#ifdef B75
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+ { 75, B75 },
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+#endif
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+#ifdef B110
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+ { 110, B110 },
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+#endif
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+#ifdef B134
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+ { 134, B134 },
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+#endif
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+#ifdef B150
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+ { 150, B150 },
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+#endif
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+#ifdef B200
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+ { 200, B200 },
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+#endif
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+#ifdef B300
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+ { 300, B300 },
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+#endif
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+#ifdef B600
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+ { 600, B600 },
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+#endif
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+#ifdef B1200
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+ { 1200, B1200 },
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+#endif
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+#ifdef B1200
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+ { 1200, B1200 },
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+#endif
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+#ifdef B1800
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+ { 1800, B1800 },
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+#endif
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+#ifdef B2400
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+ { 2400, B2400 },
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+#endif
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+#ifdef B4800
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+ { 4800, B4800 },
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+#endif
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+#ifdef B9600
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+ { 9600, B9600 },
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+#endif
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+#ifdef B19200
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+ { 19200, B19200 },
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+#endif
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+#ifdef B38400
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+ { 38400, B38400 },
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+#endif
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+#ifdef B57600
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+ { 57600, B57600 },
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+#endif
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+#ifdef B76800
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+ { 76800, B76800 },
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+#endif
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+#ifdef B115200
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+ { 115200, B115200 },
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+#endif
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+#ifdef B153600
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+ { 153600, B153600 },
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+#endif
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+#ifdef B230400
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+ { 230400, B230400 },
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+#endif
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+#ifdef B307200
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+ { 307200, B307200 },
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+#endif
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+#ifdef B460800
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+ { 460800, B460800 },
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+#endif
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+#ifdef B500000
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+ { 500000, B500000 },
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+#endif
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+#ifdef B576000
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+ { 576000, B576000 },
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+#endif
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+#ifdef B921600
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+ { 921600, B921600 },
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+#endif
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+#ifdef B1000000
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+ { 1000000, B1000000 },
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+#endif
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+#ifdef B1152000
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+ { 1152000, B1152000 },
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+#endif
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+#ifdef B1500000
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+ { 1500000, B1500000 },
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+#endif
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+#ifdef B2000000
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+ { 2000000, B2000000 },
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+#endif
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+#ifdef B2500000
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+ { 2500000, B2500000 },
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+#endif
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+#ifdef B3000000
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+ { 3000000, B3000000 },
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+#endif
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+#ifdef B3500000
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+ { 3500000, B3500000 },
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+#endif
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+#ifdef B4000000
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+ { 4000000, B4000000 },
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+#endif
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+ };
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+
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+
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+/* Set both the input and output baud rates stored in *TERMIOS_P to SPEED. */
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+int
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+cfsetspeed (struct termios *termios_p, speed_t speed)
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+{
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+ size_t cnt;
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+
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+ for (cnt = 0; cnt < sizeof (speeds) / sizeof (speeds[0]); ++cnt)
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+ if (speed == speeds[cnt].internal)
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+ {
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+ cfsetispeed (termios_p, speed);
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+ cfsetospeed (termios_p, speed);
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+ return 0;
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+ }
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+ else if (speed == speeds[cnt].value)
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+ {
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+ cfsetispeed (termios_p, speeds[cnt].internal);
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+ cfsetospeed (termios_p, speeds[cnt].internal);
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+ return 0;
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+ }
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+
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+ __set_errno (EINVAL);
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+
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+ return -1;
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+}
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--
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1.7.10.4
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