xref: /aosp_15_r20/external/compiler-rt/test/asan/TestCases/Helpers/echo-env.cc (revision 7c3d14c8b49c529e04be81a3ce6f5cc23712e4c6) 
1*7c3d14c8STreehugger Robot // Helper binary for
2*7c3d14c8STreehugger Robot // lit_tests/TestCases/Darwin/unset-insert-libraries-on-exec.cc
3*7c3d14c8STreehugger Robot // Prints the environment variable with the given name.
4*7c3d14c8STreehugger Robot #include <stdio.h>
5*7c3d14c8STreehugger Robot #include <stdlib.h>
6*7c3d14c8STreehugger Robot 
main(int argc,char * argv[])7*7c3d14c8STreehugger Robot int main(int argc, char *argv[]) {
8*7c3d14c8STreehugger Robot   if (argc != 2) {
9*7c3d14c8STreehugger Robot     printf("Usage: %s ENVNAME\n", argv[0]);
10*7c3d14c8STreehugger Robot     exit(1);
11*7c3d14c8STreehugger Robot   }
12*7c3d14c8STreehugger Robot   const char *value = getenv(argv[1]);
13*7c3d14c8STreehugger Robot   if (value) {
14*7c3d14c8STreehugger Robot     printf("%s = %s\n", argv[1], value);
15*7c3d14c8STreehugger Robot   } else {
16*7c3d14c8STreehugger Robot     printf("%s not set.\n", argv[1]);
17*7c3d14c8STreehugger Robot   }
18*7c3d14c8STreehugger Robot   return 0;
19*7c3d14c8STreehugger Robot }
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