clang/test/Analysis/std-c-library-functions-POSIX-lookup.c

   1 // RUN: %clang_analyze_cc1 %s \
   2 // RUN:   -analyzer-checker=core \
   3 // RUN:   -analyzer-checker=unix.StdCLibraryFunctions \
   4 // RUN:   -analyzer-config unix.StdCLibraryFunctions:ModelPOSIX=true \
   5 // RUN:   -analyzer-config unix.StdCLibraryFunctions:DisplayLoadedSummaries=true \
   6 // RUN:   -analyzer-checker=debug.ExprInspection \
   7 // RUN:   -analyzer-config eagerly-assume=false \
   8 // RUN:   -triple i686-unknown-linux 2>&1 | FileCheck %s --allow-empty
   9
  10 // We test here the implementation of our summary API with Optional types. In
  11 // this TU we do not provide declaration for any of the functions that have
  12 // summaries. The implementation should be able to handle the nonexistent
  13 // declarations in a way that the summary is not added to the map. We expect no
  14 // crashes (i.e. no optionals should be 'dereferenced') and no output.
  15
  16 // Must have at least one call expression to initialize the summary map.
  17 int bar(void);
  18 void foo(void) {
  19   bar();
  20 }
  21
  22 // CHECK-NOT: Loaded summary for: