Return an error if no .dll was instrumented

Metalnem · Jun 21, 2023 · 70ad4bb · 70ad4bb
1 parent 0aeaf10
commit 70ad4bb
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Showing 3 changed files with 11 additions and 1 deletion.
diff --git a/docs/libFuzzer.md b/docs/libFuzzer.md
@@ -16,7 +16,7 @@ clang -fsanitize=fuzzer libfuzzer-dotnet.cc -o libfuzzer-dotnet
 
 **3.** Start fuzzing by running the [fuzz-libfuzzer.ps1] script like this:
 
-```shell
+```powershell
 scripts/fuzz-libfuzzer.ps1 `
     -libFuzzer "libfuzzer-dotnet-windows.exe" `
     -project YourFuzzingProject.csproj `

diff --git a/scripts/fuzz-libfuzzer.ps1 b/scripts/fuzz-libfuzzer.ps1
@@ -33,6 +33,11 @@ $fuzzingTargets = Get-ChildItem $outputDir -Filter *.dll `
 | Where-Object { $_.Name -notin $exclusions } `
 | Where-Object { $_.Name -notlike "System.*.dll" }
 
+if (($fuzzingTargets | Measure-Object).Count -eq 0) {
+    Write-Error "No fuzzing targets found"
+    exit 1
+}
+
 foreach ($fuzzingTarget in $fuzzingTargets) {
     Write-Output "Instrumenting $fuzzingTarget"
     & $command $fuzzingTarget

diff --git a/scripts/fuzz.ps1 b/scripts/fuzz.ps1
@@ -38,6 +38,11 @@ $fuzzingTargets = Get-ChildItem $outputDir -Filter *.dll `
 | Where-Object { $_.Name -notin $exclusions } `
 | Where-Object { $_.Name -notlike "System.*.dll" }
 
+if (($fuzzingTargets | Measure-Object).Count -eq 0) {
+    Write-Error "No fuzzing targets found"
+    exit 1
+}
+
 foreach ($fuzzingTarget in $fuzzingTargets) {
     Write-Output "Instrumenting $fuzzingTarget"
     & $command $fuzzingTarget