lkml.org 
[lkml]   [2023]   [Dec]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    Date
    Subject[PATCH v1 1/6] tools build: Add a feature test for getdents64
    From
    getdents64 may be missing from certain libcs, add a feature test to
    determine when such a libc is being used.

    Signed-off-by: Ian Rogers <irogers@google.com>
    ---
    tools/build/Makefile.feature | 1 +
    tools/build/feature/Makefile | 4 ++++
    tools/build/feature/test-all.c | 5 +++++
    tools/build/feature/test-getdents64.c | 12 ++++++++++++
    4 files changed, 22 insertions(+)
    create mode 100644 tools/build/feature/test-getdents64.c

    diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature
    index 64df118376df..f051d4d8c71c 100644
    --- a/tools/build/Makefile.feature
    +++ b/tools/build/Makefile.feature
    @@ -58,6 +58,7 @@ FEATURE_TESTS_BASIC := \
    pthread-attr-setaffinity-np \
    pthread-barrier \
    reallocarray \
    + getdents64 \
    stackprotector-all \
    timerfd \
    libdw-dwarf-unwind \
    diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
    index 37722e509eb9..5efe89c3b0a6 100644
    --- a/tools/build/feature/Makefile
    +++ b/tools/build/feature/Makefile
    @@ -21,6 +21,7 @@ FILES= \
    test-disassembler-four-args.bin \
    test-disassembler-init-styled.bin \
    test-reallocarray.bin \
    + test-getdents64.bin \
    test-libbfd-liberty.bin \
    test-libbfd-liberty-z.bin \
    test-cplus-demangle.bin \
    @@ -262,6 +263,9 @@ $(OUTPUT)test-disassembler-init-styled.bin:
    $(OUTPUT)test-reallocarray.bin:
    $(BUILD)

    +$(OUTPUT)test-getdents64.bin:
    + $(BUILD)
    +
    $(OUTPUT)test-libbfd-liberty.bin:
    $(CC) $(CFLAGS) -Wall -Werror -o $@ test-libbfd.c -DPACKAGE='"perf"' $(LDFLAGS) -lbfd -ldl -liberty

    diff --git a/tools/build/feature/test-all.c b/tools/build/feature/test-all.c
    index 6f4bf386a3b5..c65096f75032 100644
    --- a/tools/build/feature/test-all.c
    +++ b/tools/build/feature/test-all.c
    @@ -166,6 +166,10 @@
    # include "test-reallocarray.c"
    #undef main

    +#define main main_test_getdents64
    +# include "test-getdents64.c"
    +#undef main
    +
    #define main main_test_disassembler_four_args
    # include "test-disassembler-four-args.c"
    #undef main
    @@ -216,6 +220,7 @@ int main(int argc, char *argv[])
    main_test_setns();
    main_test_libaio();
    main_test_reallocarray();
    + main_test_getdents64();
    main_test_disassembler_four_args();
    main_test_libzstd();

    diff --git a/tools/build/feature/test-getdents64.c b/tools/build/feature/test-getdents64.c
    new file mode 100644
    index 000000000000..f7c9df1e2f05
    --- /dev/null
    +++ b/tools/build/feature/test-getdents64.c
    @@ -0,0 +1,12 @@
    +// SPDX-License-Identifier: GPL-2.0
    +#include <stddef.h>
    +#define _GNU_SOURCE
    +#include <dirent.h>
    +
    +int main(void)
    +{
    + char buf[128];
    + return (int)getdents64(0, buf, sizeof(buf));
    +}
    +
    +#undef _GNU_SOURCE
    --
    2.43.0.rc2.451.g8631bc7472-goog
    \
     
     \ /
      Last update: 2023-12-07 06:07    [W:2.612 / U:0.024 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site