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authorvan Hauser <vh@thc.org>2020-02-19 09:53:46 +0100
committervan Hauser <vh@thc.org>2020-02-19 09:53:46 +0100
commit687b357b2db4155eabaa30195d8d532a6e6b1b62 (patch)
tree61162e436224b7a6d1f8ae87b06c43cc997b0cc6 /llvm_mode/split-switches-pass.so.cc
parent3beee6da772f88f1bd7987b4b2e7c56a53ec3270 (diff)
downloadafl++-687b357b2db4155eabaa30195d8d532a6e6b1b62.tar.gz
isatty for all compilers + AFL_DEBUG
Diffstat (limited to 'llvm_mode/split-switches-pass.so.cc')
-rw-r--r--llvm_mode/split-switches-pass.so.cc4
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm_mode/split-switches-pass.so.cc b/llvm_mode/split-switches-pass.so.cc
index 9101dc26..70ffe7b6 100644
--- a/llvm_mode/split-switches-pass.so.cc
+++ b/llvm_mode/split-switches-pass.so.cc
@@ -491,7 +491,7 @@ bool SplitSwitchesTransform::splitSwitches(Module &M) {
      * less, don't bother with the code below. */
     if (!SI->getNumCases() || bitw <= 8) {
 
-      if (getenv("AFL_QUIET") == NULL) errs() << "skip trivial switch..\n";
+      if (isatty(2) && getenv("AFL_QUIET") == NULL) errs() << "skip trivial switch..\n";
       continue;
 
     }
@@ -556,7 +556,7 @@ bool SplitSwitchesTransform::splitSwitches(Module &M) {
 
 bool SplitSwitchesTransform::runOnModule(Module &M) {
 
-  if (getenv("AFL_QUIET") == NULL)
+  if (isatty(2) && getenv("AFL_QUIET") == NULL)
     llvm::errs() << "Running split-switches-pass by laf.intel@gmail.com\n";
   splitSwitches(M);
   verifyModule(M);