GNU C Library master sources branch roland/env-only created. glibc-2.21-151-g992b0a6

[roland at sourceware dot org]

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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=992b0a67c61a81a1677d56f5bb65b8a268f01a9d

commit 992b0a67c61a81a1677d56f5bb65b8a268f01a9d
Author: Roland McGrath <roland@hack.frob.com>
Date:   Wed Mar 4 13:20:31 2015 -0800

    Avoid re-exec-self in bug-setlocale1.

diff --git a/ChangeLog b/ChangeLog
index a5b8fb7..55b2d78 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2015-03-04  Roland McGrath  <roland@hack.frob.com>
+
+	* Makeconfig (test-wrapper-env-only): New variable.
+	* Rules (make-test-out): If variable $*-ENV-only is nonempty,
+	then use that with $(test-wrapper-env-only) rather than using
+	$(test-wrapper-env) $(run-program-env) $($*-ENV).
+
 2015-03-04  Andreas Schwab  <schwab@suse.de>
 
 	[BZ #17631]
diff --git a/Makeconfig b/Makeconfig
index 509b5bd..4e336a4 100644
--- a/Makeconfig
+++ b/Makeconfig
@@ -611,6 +611,11 @@ endif
 ifndef test-wrapper-env
 test-wrapper-env = $(test-wrapper) env
 endif
+# Likewise, but the program's environment will be empty except for any
+# explicit <variable>=<value> assignments preceding the program name.
+ifndef test-wrapper-env-only
+test-wrapper-env-only = $(test-wrapper) env -i
+endif
 
 # Whether to run test programs built for the library's host system.
 ifndef run-built-tests
diff --git a/Rules b/Rules
index cb4e1fb..829beac 100644
--- a/Rules
+++ b/Rules
@@ -186,9 +186,11 @@ ifneq "$(strip $(tests) $(xtests) $(test-srcs))" ""
 # These are the implicit rules for making test outputs
 # from the test programs and whatever input files are present.
 
-make-test-out = $(test-wrapper-env) \
-		$(run-program-env) \
-		$($*-ENV) $(host-test-program-cmd) $($*-ARGS)
+define make-test-out
+$(if $($*-ENV-only),$(test-wrapper-env-only) $($*-ENV-only),\
+     $(test-wrapper-env) $(run-program-env) $($*-ENV)) \
+$(host-test-program-cmd) $($*-ARGS)
+endef
 $(objpfx)%.out: %.input $(objpfx)%
 	$(make-test-out) > $@ < $(word 1,$^); \
 	$(evaluate-test)
diff --git a/localedata/ChangeLog b/localedata/ChangeLog
index ceb373f..61857f5 100644
--- a/localedata/ChangeLog
+++ b/localedata/ChangeLog
@@ -1,3 +1,14 @@
+2015-03-04  Roland McGrath  <roland@hack.frob.com>
+
+	* bug-setlocale1.c (do_test): Remove argument handling and
+	self-exec'ing logic.  Just expect to be run with the right
+	variables (and nothing else) directly in the environment instead.
+	(TEST_FUNCTION): Don't pass arguments to do_test.
+	* Makefile (bug-setlocale1-ARGS, bug-setlocale1-static-ARGS):
+	Variables removed.
+	(bug-setlocale1-ENV-only, bug-setlocale1-static-ENV-only):
+	New variables.
+
 2015-02-23  Alexandre Oliva <aoliva@redhat.com>
 
 	* unicode-gen/ctype_compatibility.py: Use date ranges in
diff --git a/localedata/Makefile b/localedata/Makefile
index d1218f5..0f67725 100644
--- a/localedata/Makefile
+++ b/localedata/Makefile
@@ -237,8 +237,8 @@ $(objpfx)mtrace-tst-leaks.out: $(objpfx)tst-leaks.out
 	$(common-objpfx)malloc/mtrace $(objpfx)tst-leaks.mtrace > $@; \
 	$(evaluate-test)
 
-bug-setlocale1-ARGS = -- $(host-test-program-cmd)
-bug-setlocale1-static-ARGS = $(bug-setlocale1-ARGS)
+bug-setlocale1-ENV-only = LOCPATH=$(objpfx) LC_CTYPE=de_DE.UTF-8
+bug-setlocale1-static-ENV-only = $(bug-setlocale1-ENV-only)
 
 $(objdir)/iconvdata/gconv-modules:
 	$(MAKE) -C ../iconvdata subdir=iconvdata $@
diff --git a/localedata/bug-setlocale1.c b/localedata/bug-setlocale1.c
index dc7f6f3..546ea7b 100644
--- a/localedata/bug-setlocale1.c
+++ b/localedata/bug-setlocale1.c
@@ -7,44 +7,8 @@
 
 
 static int
-do_test (int argc, char *argv[])
+do_test (void)
 {
-  if (argc > 1)
-    {
-      char *newargv[5];
-      int i;
-      if (argc != 2 && argc != 5)
-	{
-	  printf ("wrong number of arguments (%d)\n", argc);
-	  return 1;
-	}
-
-      for (i = 0; i < (argc == 5 ? 4 : 1); i++)
-	newargv[i] = argv[i + 1];
-      newargv[i] = NULL;
-
-      char *env[3];
-      env[0] = (char *) "LC_CTYPE=de_DE.UTF-8";
-      char *loc = getenv ("LOCPATH");
-      if (loc == NULL || loc[0] == '\0')
-	{
-	  puts ("LOCPATH not set");
-	  return 1;
-	}
-      asprintf (&env[1], "LOCPATH=%s", loc);
-      if (env[1] == NULL)
-	{
-	  puts ("asprintf failed");
-	  return 1;
-	}
-      env[2] = NULL;
-
-      execve (newargv[0], newargv, env);
-
-      puts ("execve returned");
-      return 1;
-    }
-
   int result = 0;
 
   char *a = setlocale (LC_ALL, "");
@@ -128,5 +92,5 @@ do_test (int argc, char *argv[])
   return result;
 }
 
-#define TEST_FUNCTION do_test (argc, argv)
+#define TEST_FUNCTION do_test ()
 #include "../test-skeleton.c"

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