clang/test/Analysis/weak-dependencies.c

   1 // RUN: %clang_analyze_cc1 %s -verify \
   2 // RUN:   -analyzer-checker=unix.StdCLibraryFunctions \
   3 // RUN:   -analyzer-checker=core
   4
   5 typedef __typeof(sizeof(int)) size_t;
   6
   7 struct FILE;
   8 typedef struct FILE FILE;
   9
  10 size_t fread(void *restrict, size_t, size_t, FILE *restrict) __attribute__((nonnull(1)));
  11
  12 void f(FILE *F) {
  13   int *p = 0;
  14   fread(p, sizeof(int), 5, F); // expected-warning{{Null pointer passed to 1st parameter expecting 'nonnull' [core.NonNullParamChecker]}}
  15 }