libc/test/integration/src/spawn/posix_spawn_test_binary.cpp

   1 #include "test_binary_properties.h"
   2 #include <errno.h>
   3 #include <string.h>
   4 #include <unistd.h>
   5
   6 int main(int argc, char **argv) {
   7   if (argc != 1)
   8     return 5;
   9   constexpr size_t bufsize = sizeof(TEXT);
  10   char buf[bufsize];
  11   ssize_t readsize = bufsize - 1;
  12   ssize_t len = read(CHILD_FD, buf, readsize);
  13   if (len != readsize) {
  14     return 1;
  15   }
  16   buf[readsize] = '\0'; // Null terminator
  17   if (close(CHILD_FD) != 0)
  18     return 2;
  19   if (strcmp(buf, TEXT) != 0)
  20     return 3;
  21   return 0;
  22 }