[rtems-tools commit] rtems-exeinfo.cpp: Fix division by zero errors
Joel Sherrill
joel at rtems.org
Tue Jun 29 21:01:07 UTC 2021
Module: rtems-tools
Branch: master
Commit: 7d3b8acf605f64430baa2c0568cf6f99596bc284
Changeset: http://git.rtems.org/rtems-tools/commit/?id=7d3b8acf605f64430baa2c0568cf6f99596bc284
Author: Ryan Long <ryan.long at oarcorp.com>
Date: Mon May 17 11:37:42 2021 -0400
rtems-exeinfo.cpp: Fix division by zero errors
CID 1503008: Division or modulo by zero
CID 1503015: Division or modulo by zero
Closes #4416
---
linkers/rtems-exeinfo.cpp | 20 ++++++++++++++++----
1 file changed, 16 insertions(+), 4 deletions(-)
diff --git a/linkers/rtems-exeinfo.cpp b/linkers/rtems-exeinfo.cpp
index 1e6d4b4..6e92206 100644
--- a/linkers/rtems-exeinfo.cpp
+++ b/linkers/rtems-exeinfo.cpp
@@ -755,6 +755,8 @@ namespace rld
size_t total = 0;
size_t total_size = 0;
size_t inlined_size = 0;
+ double percentage;
+ double percentage_size;
dwarf::functions funcs_inlined;
dwarf::functions funcs_not_inlined;
func_counts counts;
@@ -798,14 +800,24 @@ namespace rld
}
}
+ if ( total == 0 ) {
+ percentage = 0;
+ } else {
+ percentage = (double) ( funcs_inlined.size() * 100 ) / total;
+ }
+
+ if ( total_size == 0 ) {
+ percentage_size = 0;
+ } else {
+ percentage_size = (double) ( inlined_size * 100 ) / total_size;
+ }
+
std::cout << "inlined funcs : " << funcs_inlined.size () << std::endl
<< " total funcs : " << total << std::endl
- << " % inline funcs : " << (funcs_inlined.size () * 100) / total << '%'
- << std::endl
+ << " % inline funcs : " << percentage << '%' << std::endl
<< " total size : " << total_size << std::endl
<< " inline size : " << inlined_size << std::endl
- << " % inline size : " << (inlined_size * 100) / total_size << '%'
- << std::endl;
+ << " % inline size : " << percentage_size << '%' << std::endl;
auto count_compare = [](func_count const & a, func_count const & b) {
return a.size != b.size? a.size < b.size : a.count > b.count;
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