CVS log for src/tests/libexec/ld.elf_so/t_rtld_r_debug.c

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Keyword substitution: kv
Default branch: MAIN

fix a/an grammar in obvious cases

t_dlinfo, t_rtld_r_debug: Audit ATF_REQUIRE/CHECK, sprinkle messages.

Make sure to use ATF_REQUIRE when the subsequent code doesn't work if
the check fails.

rtld tests: Don't use RZ for dlinfo.

Use

	ATF_REQUIRE_EQ_MSG(dlinfo(...), 0, "dlinfo: %s", dlerror())

instead, in order to accurately report the error on failure.  RZ is
only for functions like pthread_create(3) that return zero on success
and errno(3) code on failure, but dlinfo returns -1 on failure and
sets dlerror() to report the nature of the error.

Whitespace

Fix build with clang.

Add new RTLD test file for r_debug

New tests:
 - self
 - dlopen

Both check whether the r_debug structure seems to be well-formed, without
and with a dlopen(3) call.