echo-env.cc revision 2d1fdb26e458c4ddc04155c1d421bced3ba90cd0 
1// Helper binary for
2// lit_tests/TestCases/Darwin/unset-insert-libraries-on-exec.cc
3// Prints the environment variable with the given name.
4#include <stdio.h>
5#include <stdlib.h>
6
7int main(int argc, char *argv[]) {
8  if (argc != 2) {
9    printf("Usage: %s ENVNAME\n", argv[0]);
10    exit(1);
11  }
12  const char *value = getenv(argv[1]);
13  if (value) {
14    printf("%s = %s\n", argv[1], value);
15  } else {
16    printf("%s not set.\n", argv[1]);
17  }
18  return 0;
19}
20