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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-11-19 22:56:22 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-11-19 23:12:17 +0300 |
| commit | 8feb8efef97a134933620071e0b6384cb3238b4e (patch) | |
| tree | 1b7f3c18e7c8c17292fe84a8b4843fe14a651e97 /tools/perf/util/get_current_dir_name.c | |
| parent | fb50c09e923870a358d68b0d58891bd145b8d7c7 (diff) | |
| download | linux-8feb8efef97a134933620071e0b6384cb3238b4e.tar.xz | |
tools build feature: Check if get_current_dir_name() is available
As the namespace support code will use this, which is not available in
some non _GNU_SOURCE libraries such as Android's bionic used in my
container build tests (r12b and r15c at the moment).
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-x56ypm940pwclwu45d7jfj47@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/get_current_dir_name.c')
| -rw-r--r-- | tools/perf/util/get_current_dir_name.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/tools/perf/util/get_current_dir_name.c b/tools/perf/util/get_current_dir_name.c new file mode 100644 index 000000000000..267aa609a582 --- /dev/null +++ b/tools/perf/util/get_current_dir_name.c @@ -0,0 +1,18 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) 2018, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com> +// +#ifndef HAVE_GET_CURRENT_DIR_NAME +#include "util.h" +#include <unistd.h> +#include <stdlib.h> +#include <stdlib.h> + +/* Android's 'bionic' library, for one, doesn't have this */ + +char *get_current_dir_name(void) +{ + char pwd[PATH_MAX]; + + return getcwd(pwd, sizeof(pwd)) == NULL ? NULL : strdup(pwd); +} +#endif // HAVE_GET_CURRENT_DIR_NAME |