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| author |   Dave Airlie <airlied@redhat.com> | 2018-09-27 11:06:46 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2018-09-27 11:06:46 +1000 |
| commit | bf78296ab1cb215d0609ac6cff4e43e941e51265 (patch) | |
| tree | a193615b327d9ee538e71ca5f13bbfb4f3db4e6b /tools/lib/bpf/str_error.c | |
| parent | Merge tag 'drm-hisilicon-next-2018-09-26' of github.com:xin3liang/linux into drm-next (diff) | |
| parent | Linux 4.19-rc5 (diff) | |
| download | linux-dev-bf78296ab1cb215d0609ac6cff4e43e941e51265.tar.xz linux-dev-bf78296ab1cb215d0609ac6cff4e43e941e51265.zip | |
BackMerge v4.19-rc5 into drm-next
Sean Paul requested an -rc5 backmerge from some sun4i fixes.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'tools/lib/bpf/str_error.c')
| -rw-r--r-- | tools/lib/bpf/str_error.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/tools/lib/bpf/str_error.c b/tools/lib/bpf/str_error.c new file mode 100644 index 000000000000..b8798114a357 --- /dev/null +++ b/tools/lib/bpf/str_error.c @@ -0,0 +1,18 @@ +// SPDX-License-Identifier: LGPL-2.1 +#undef _GNU_SOURCE +#include <string.h> +#include <stdio.h> +#include "str_error.h" + +/* + * Wrapper to allow for building in non-GNU systems such as Alpine Linux's musl + * libc, while checking strerror_r() return to avoid having to check this in + * all places calling it. + */ +char *str_error(int err, char *dst, int len) +{ + int ret = strerror_r(err, dst, len); + if (ret) + snprintf(dst, len, "ERROR: strerror_r(%d)=%d", err, ret); + return dst; +} |