Hi!
> LTP_DATAROOT (test.sh) and tst_dataroot (libltp) define directory
> which holds test data files.
>
> If LTPROOT is defined, it is $LTPROOT/testcases/data/$TCID
> otherwise it's $CWD/datafiles (where CWD is current working
> directory, before any call to tst_tmdir())
...
> 2.1.3 Subexecutables
> ^^^^^^^^^^^^^^^^^^^^
> diff --git a/include/tst_resource.h b/include/tst_resource.h
> index a02a313..94c24b7 100644
> --- a/include/tst_resource.h
> +++ b/include/tst_resource.h
> @@ -41,6 +41,9 @@
>
> #include "test.h"
>
> +void tst_dataroot_init(void);
Do we really need to export this function? The only usage for it IMHO
will be the test for the tst_dataroot() function itself. I would rather
see three tests one for each scenario and keep the test library API as
minimal as possible.
> +const char *tst_dataroot(void);
> +
...
> diff --git a/lib/tst_resource.c b/lib/tst_resource.c
> index 54d4795..7c8deee 100644
> --- a/lib/tst_resource.c
> +++ b/lib/tst_resource.c
> @@ -21,9 +21,61 @@
> * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
> */
>
> +#include <pthread.h>
> #include "tst_resource.h"
> #include "ltp_priv.h"
>
> +#ifndef PATH_MAX
> +#ifdef MAXPATHLEN
> +#define PATH_MAX MAXPATHLEN
> +#else
> +#define PATH_MAX 1024
> +#endif
> +#endif
> +
> +static pthread_mutex_t tmutex = PTHREAD_MUTEX_INITIALIZER;
> +static char dataroot[PATH_MAX];
> +extern char *TCID;
> +
> +void tst_dataroot_init(void)
> +{
> + const char *ltproot = getenv("LTPROOT");
> + char curdir[PATH_MAX];
> + const char *startdir;
> + int ret;
> +
> + /* 1. if LTPROOT is set, use $LTPROOT/testcases/data/$TCID
> + * 2. else if startwd is set by tst_tmdir(), use $STARWD/datafiles
> + * 3. else use $CWD/datafiles */
> + if (ltproot) {
> + ret = snprintf(dataroot, PATH_MAX, "%s/testcases/data/%s",
> + ltproot, TCID);
> + } else {
> + startdir = tst_get_startwd();
> + if (startdir[0] == 0) {
> + if (getcwd(curdir, PATH_MAX) == NULL)
> + tst_brkm(TBROK | TERRNO, NULL,
> + "tst_dataroot getcwd");
> + startdir = curdir;
> + }
> + ret = snprintf(dataroot, PATH_MAX, "%s/datafiles", startdir);
> + }
> +
> + if (ret < 0 || ret >= PATH_MAX)
> + tst_brkm(TBROK, NULL, "tst_dataroot snprintf: %d", ret);
> +}
> +
> +const char *tst_dataroot(void)
> +{
> + if (dataroot[0] == 0) {
> + pthread_mutex_lock(&tmutex);
> + if (dataroot[0] == 0)
> + tst_dataroot_init();
> + pthread_mutex_unlock(&tmutex);
> + }
That is a bit too preemptive but generally fine, but I would use
pthread_once() here instead.
> + return dataroot;
> +}
> +
> static int file_copy(const char *file, const int lineno,
> void (*cleanup_fn)(void), const char *path,
> const char *filename, const char *dest)
> @@ -56,15 +108,15 @@ void tst_resource_copy(const char *file, const int
> lineno,
> dest = ".";
>
> const char *ltproot = getenv("LTPROOT");
> + const char *dataroot = tst_dataroot();
> +
> + /* look for data files in $LTP_DATAROOT, $LTPROOT/testcases/bin
> + * and $CWD */
> + if (file_copy(file, lineno, cleanup_fn, dataroot, filename, dest))
> + return;
>
> if (ltproot != NULL) {
> - /* the data are either in testcases/data or testcases/bin */
> char buf[strlen(ltproot) + 64];
> -
> - snprintf(buf, sizeof(buf), "%s/testcases/data", ltproot);
> -
> - if (file_copy(file, lineno, cleanup_fn, buf, filename, dest))
> - return;
>
> snprintf(buf, sizeof(buf), "%s/testcases/bin", ltproot);
Hmm, maybe we can omit looking into testcases/bin/, since the
directory to store datafiles is well defined now (and there does not
seems to be any testcases that rely on that behavior).
> @@ -72,9 +124,8 @@ void tst_resource_copy(const char *file, const int lineno,
> return;
> }
>
> + /* try directory test started in as last resort */
> const char *startwd = tst_get_startwd();
> -
> - /* try directory test started int first */
> if (file_copy(file, lineno, cleanup_fn, startwd, filename, dest))
> return;
>
> diff --git a/testcases/lib/test.sh b/testcases/lib/test.sh
> index 10282f4..eecbfba 100644
> --- a/testcases/lib/test.sh
> +++ b/testcases/lib/test.sh
> @@ -144,4 +144,7 @@ export TST_TOTAL="$TST_TOTAL"
> # Setup LTPROOT, default to current directory if not set
> if [ -z "$LTPROOT" ]; then
> export LTPROOT="$PWD"
> + export LTP_DATAROOT="$LTPROOT/datafiles"
> +else
> + export LTP_DATAROOT="$LTPROOT/testcases/data/$TCID"
> fi
Otherwise it looks very good.
--
Cyril Hrubis
chru...@suse.cz
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