test/Runtime/POSIX/Write1.c


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// RUN: %clang %s -emit-llvm %O0opt -c -o %t.bc
// RUN: rm -rf %t.klee-out
// RUN: %klee --output-dir=%t.klee-out --exit-on-error --libc=uclibc --posix-runtime %t.bc --sym-files 1 10 --sym-stdout 2>%t.log

#include <stdio.h>
#include <assert.h>

int main(int argc, char** argv) {
  char buf[32];
  
  FILE* f = fopen("A", "w");
  if (!f)
    klee_silent_exit(0);
  fwrite("Hello", sizeof("Hello"), 1, f);
  fclose(f);
  
  f = fopen("A", "r");
  fread(buf, sizeof("Hello"), 1, f);
  fclose(f);

  assert(memcmp(buf, "Hello", sizeof("Hello")) == 0);

  return 0;
}