From d23874e4355912a308408d26bdd54b086f11dc4d Mon Sep 17 00:00:00 2001
From: Tomas Pecka <peckato1@fit.cvut.cz>
Date: Wed, 1 Nov 2017 17:30:31 +0100
Subject: [PATCH] Fix stacktrace when /proc not available (closes #91)
---
alib2common/src/debug/simpleStacktrace.cpp | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/alib2common/src/debug/simpleStacktrace.cpp b/alib2common/src/debug/simpleStacktrace.cpp
index 794a41e690..4d1775f416 100644
--- a/alib2common/src/debug/simpleStacktrace.cpp
+++ b/alib2common/src/debug/simpleStacktrace.cpp
@@ -38,7 +38,11 @@ std::string simpleStacktrace(unsigned int max_frames) {
/* Now read the symbolic link */
ret = readlink(linkname, buf, 512);
- buf[ret] = 0;
+ if ( ret < 0 ) {
+ strcpy(buf, "[UNKNOWN]");
+ } else {
+ buf[ret] = 0;
+ }
std::stringstream ss;
ss << "stack trace for process " << buf << " (PID:" << pid << "):"<< std::endl;
@@ -132,3 +136,4 @@ std::string simpleStacktrace(unsigned int max_frames) {
}
} /* namespace ext */
+
--
GitLab