Fix rdar://5843510 don't assert and die when an invalid output
file is specified, print a happy little error message.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49518 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Driver/PrintPreprocessedOutput.cpp b/Driver/PrintPreprocessedOutput.cpp
index 68a2f95..105e99e 100644
--- a/Driver/PrintPreprocessedOutput.cpp
+++ b/Driver/PrintPreprocessedOutput.cpp
@@ -60,8 +60,14 @@
if (!Output.size() || Output == "-")
OutputFILE = stdout;
else {
- OutputFILE = fopen(Output.c_str(), "w+");
OutputFilename = Output;
+ OutputFILE = fopen(Output.c_str(), "w+");
+
+ if (OutputFILE == 0) {
+ fprintf(stderr, "Error opening output file '%s'.\n", Output.c_str());
+ exit(1);
+ }
+
}
assert(OutputFILE && "failed to open output file");
@@ -73,11 +79,13 @@
if (!Output.size() || Output == "-")
OutputFD = STDOUT_FILENO;
else {
- OutputFD = open(Output.c_str(), O_WRONLY|O_CREAT|O_TRUNC, 0644);
OutputFilename = Output;
+ OutputFD = open(Output.c_str(), O_WRONLY|O_CREAT|O_TRUNC, 0644);
+ if (OutputFD < 0) {
+ fprintf(stderr, "Error opening output file '%s'.\n", Output.c_str());
+ exit(1);
+ }
}
-
- assert(OutputFD >= 0 && "failed to open output file");
#endif
}