svn commit: r492865 - in head/devel/libserialport: . files
Boris Samorodov
bsam at FreeBSD.org
Wed Feb 13 21:56:11 UTC 2019
Author: bsam
Date: Wed Feb 13 21:56:10 2019
New Revision: 492865
URL: https://svnweb.freebsd.org/changeset/ports/492865
Log:
devel/libserialport: Don't open serial ports when enumerating
PR: 230843
Submitted by: kevans
Added:
head/devel/libserialport/files/
head/devel/libserialport/files/patch-freebsd.c (contents, props changed)
Modified:
head/devel/libserialport/Makefile
Modified: head/devel/libserialport/Makefile
==============================================================================
--- head/devel/libserialport/Makefile Wed Feb 13 21:07:13 2019 (r492864)
+++ head/devel/libserialport/Makefile Wed Feb 13 21:56:10 2019 (r492865)
@@ -3,6 +3,7 @@
PORTNAME= libserialport
PORTVERSION= 0.1.1
+PORTREVISION= 1
CATEGORIES= devel
MASTER_SITES= http://sigrok.org/download/source/libserialport/
Added: head/devel/libserialport/files/patch-freebsd.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/devel/libserialport/files/patch-freebsd.c Wed Feb 13 21:56:10 2019 (r492865)
@@ -0,0 +1,37 @@
+--- freebsd.c.orig 2018-07-17 13:22:11 UTC
++++ freebsd.c
+@@ -327,9 +327,8 @@ SP_PRIV enum sp_return list_ports(struct sp_port ***li
+ DIR *dir;
+ struct dirent entry;
+ struct dirent *result;
+- struct termios tios;
+ char name[PATH_MAX];
+- int fd, ret;
++ int ret;
+
+ DEBUG("Enumerating tty devices");
+ if (!(dir = opendir("/dev")))
+@@ -353,21 +352,10 @@ SP_PRIV enum sp_return list_ports(struct sp_port ***li
+ DEBUG_FMT("Found device %s", name);
+
+ /* Check that we can open tty/cua device in rw mode - we need that. */
+- if ((fd = open(name, O_RDWR | O_NONBLOCK | O_NOCTTY | O_TTY_INIT | O_CLOEXEC)) < 0) {
+- DEBUG("Open failed, skipping");
++ if (access(name, R_OK | W_OK) != 0) {
++ DEBUG("access(2) check failed, skipping");
+ continue;
+ }
+-
+- /* Sanity check if we got a real tty. */
+- if (!isatty(fd)) {
+- close(fd);
+- continue;
+- }
+-
+- ret = tcgetattr(fd, &tios);
+- close(fd);
+- if (ret < 0 || cfgetospeed(&tios) <= 0 || cfgetispeed(&tios) <= 0)
+- continue;
+
+ DEBUG_FMT("Found port %s", name);
+ DBG("%s: %s\n", __func__, entry.d_name);
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