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-rw-r--r--indra/llvfs/tests/lldir_test.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/indra/llvfs/tests/lldir_test.cpp b/indra/llvfs/tests/lldir_test.cpp
index 83ccb277b3..8788bd63e8 100644
--- a/indra/llvfs/tests/lldir_test.cpp
+++ b/indra/llvfs/tests/lldir_test.cpp
@@ -263,7 +263,9 @@ namespace tut
std::string path = dir + delim + file;
LLFILE* handle = LLFile::fopen( path, "w" );
ensure("failed to open test file '"+path+"'", handle != NULL );
- ensure("failed to write to test file '"+path+"'", !fputs("test file", handle) );
+ // Harbison & Steele, 4th ed., p. 366: "If an error occurs, fputs
+ // returns EOF; otherwise, it returns some other, nonnegative value."
+ ensure("failed to write to test file '"+path+"'", fputs("test file", handle) >= 0);
fclose(handle);
return path;
}