[LTP] [PATCH] newlib_tests/test_exec.c: Fix compiler error before glibc v2.11

Xiao Yang yangx.jy@cn.fujitsu.com
Thu Aug 23 11:18:41 CEST 2018


On 2018/08/23 17:06, Xiao Yang wrote:
> From: xiao yang <yangx.jy@cn.fujitsu.com>
>
> Before glibc v2.11, execvpe() was not introduced and resulted in
> compiler error, so we replace execvpe() with execve() and update
> test-writing-guidelines.txt.
>
> Signed-off-by: xiao yang <yangx.jy@cn.fujitsu.com>
Hi,

Sorry for the wrong signature.

The correct one:
Signed-off-by: Xiao Yang <yangx.jy@cn.fujitsu.com>

Thanks,
Xiao Yang
> ---
>  doc/test-writing-guidelines.txt | 11 ++++++++---
>  lib/newlib_tests/test_exec.c    | 11 ++++++++---
>  2 files changed, 16 insertions(+), 6 deletions(-)
>
> diff --git a/doc/test-writing-guidelines.txt b/doc/test-writing-guidelines.txt
> index a169724..f62e16e 100644
> --- a/doc/test-writing-guidelines.txt
> +++ b/doc/test-writing-guidelines.txt
> @@ -696,15 +696,20 @@ a non zero exit code.
>  [source,c]
>  -------------------------------------------------------------------------------
>  /* test.c */
> -#define _GNU_SOURCE
> -#include <stdlib.h>
> +#include <unistd.h>
>  #include "tst_test.h"
>  
> +extern char **environ;
> +
>  static void do_test(void)
>  {
>  	char *const argv[] = {"test_exec_child", NULL};
> +	char path[4096];
> +
> +	if (tst_get_path("test_exec_child", path, sizeof(path)))
> +		tst_brk(TCONF, "Couldn't find test_exec_child in $PATH");
>  
> -	execvpe(argv[0], argv, environ);
> +	execve(path, argv, environ);
>  
>  	tst_res(TBROK | TERRNO, "EXEC!");
>  }
> diff --git a/lib/newlib_tests/test_exec.c b/lib/newlib_tests/test_exec.c
> index 8aef621..e70080e 100644
> --- a/lib/newlib_tests/test_exec.c
> +++ b/lib/newlib_tests/test_exec.c
> @@ -24,15 +24,20 @@
>   * $ PATH=$PATH:$PWD ./test_exec
>   */
>  
> -#define _GNU_SOURCE
> -#include <stdlib.h>
> +#include <unistd.h>
>  #include "tst_test.h"
>  
> +extern char **environ;
> +
>  static void do_test(void)
>  {
>  	char *const argv[] = {"test_exec_child", NULL};
> +	char path[4096];
> +
> +	if (tst_get_path("test_exec_child", path, sizeof(path)))
> +		tst_brk(TCONF, "Couldn't find test_exec_child in $PATH");
>  
> -	execvpe(argv[0], argv, environ);
> +	execve(path, argv, environ);
>  
>  	tst_res(TBROK | TERRNO, "EXEC!");
>  }





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