commit 328acb8a1b55c9091b173ee2f662126b6352c30f
author Dennis Kempin <denniskempin@chromium.org> Thu Apr 10 13:58:25 2014 -0700
committer chrome-internal-fetch <chrome-internal-fetch@google.com> Wed Apr 16 19:09:47 2014 +0000
tree 1e11032e9e977e9e320510db6124ea2fd7de0dc5
parent a63c82aae9775436e907699f3e2cf6413e13a5dc

Debug Log: Accept path to log file

This change overloads the Dump Debug Log function to optionally
accept a filename to dump the debug log to. This comes in handy
when dealing with multiple devices.

BUG=chromium:362237
TEST=None

Change-Id: I5576c4f61af525eebd80722cb478434c6233938d
Reviewed-on: https://chromium-review.googlesource.com/194145
Reviewed-by: Andrew de los Reyes <adlr@chromium.org>
Commit-Queue: Dennis Kempin <denniskempin@chromium.org>
Tested-by: Dennis Kempin <denniskempin@chromium.org>

include/libevdev/libevdev_event.h

diff --git a/include/libevdev/libevdev_event.h b/include/libevdev/libevdev_event.h
index 496f030..a220519 100755
--- a/include/libevdev/libevdev_event.h
+++ b/include/libevdev/libevdev_event.h
@@ -42,6 +42,7 @@
 void Event_Open(EvdevPtr);
 bool Event_Process(EvdevPtr, struct input_event*);
 void Event_Dump_Debug_Log(void *);
+void Event_Dump_Debug_Log_To(void *, const char*);
 void Event_Clear_Debug_Log(void *);
 
 int Event_Get_Left(EvdevPtr);

src/libevdev_event.c

diff --git a/src/libevdev_event.c b/src/libevdev_event.c
index ef7e342..a633cf1 100755
--- a/src/libevdev_event.c
+++ b/src/libevdev_event.c
@@ -490,14 +490,19 @@
  * Dump the log of input events to disk
  */
 void
-Event_Dump_Debug_Log(void* vinfo)
+Event_Dump_Debug_Log(void* vinfo) {
+    Event_Dump_Debug_Log_To(vinfo, "/var/log/xorg/cmt_input_events.dat");
+}
+
+void
+Event_Dump_Debug_Log_To(void* vinfo, const char* filename)
 {
     EvdevPtr device = (EvdevPtr) vinfo;
     size_t i;
     int ret;
     EventStatePtr evstate = device->evstate;
 
-    FILE* fp = fopen("/var/log/xorg/cmt_input_events.dat", "wb");
+    FILE* fp = fopen(filename, "wb");
     if (!fp) {
         LOG_ERROR(device, "fopen() failed for debug log");
         return;