[PATCH] Add i18n support

[Dmitry V. Levin]

On Sat, Apr 01, 2017 at 05:15:55PM +0300, Dmitry V. Levin wrote:
> Let's make a step towards the growing strace userbase all around
> the world and translate something to the language of their choice.
> 
> This change enables translation of error messages corresponding
> to errno codes, e.g.
> 
> $ LANG=fr_FR strace -P /missing rm -f /missing
> newfstatat(AT_FDCWD, "/missing", 0x615478, AT_SYMLINK_NOFOLLOW) = -1 ENOENT (Aucun fichier ou dossier de ce type)
> unlinkat(AT_FDCWD, "/missing", 0)       = -1 ENOENT (Aucun fichier ou dossier de ce type)
> 
> Subsequent changes may extend i18n support further by implementing
> translation of other strings, e.g. syscall names and symbolic constants.
> 
> * strace.c: Include <locale.h>.
> (main): Call setlocale.
> * tests/init.sh: Export LC_ALL=C.
> ---
>  strace.c      | 2 ++
>  tests/init.sh | 1 +
>  2 files changed, 3 insertions(+)
> 
> diff --git a/strace.c b/strace.c
> index 7214e6e..3791c3f 100644
> --- a/strace.c
> +++ b/strace.c
> @@ -39,6 +39,7 @@
>  #include <pwd.h>
>  #include <grp.h>
>  #include <dirent.h>
> +#include <locale.h>
>  #include <sys/utsname.h>
>  #ifdef HAVE_PRCTL
>  # include <sys/prctl.h>
> @@ -2488,6 +2489,7 @@ restart_tracee:
>  int
>  main(int argc, char *argv[])
>  {
> +	setlocale(LC_ALL, "");
>  	init(argc, argv);
>  
>  	exit_code = !nprocs;
> diff --git a/tests/init.sh b/tests/init.sh
> index e190797..f9ce08c 100644
> --- a/tests/init.sh
> +++ b/tests/init.sh
> @@ -25,6 +25,7 @@
>  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
>  # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
>  
> +export LC_ALL=C
>  ME_="${0##*/}"
>  LOG="$ME_.tmp"
>  OUT="$LOG.out"

Applied, thanks!


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