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Subject[PATCH 4.19 170/313] perf header: Fix up argument to ctime()
Date
4.19-stable review patch.  If anyone has any objections, please let me know.

------------------

[ Upstream commit 0afcf29bab35d3785204cd9bd51693b231ad7181 ]

Reducing this noise when cross building to the Android NDK:

util/header.c: In function 'perf_header__fprintf_info':
util/header.c:2710:45: warning: pointer targets in passing argument 1 of 'ctime' differ in signedness [-Wpointer-sign]
fprintf(fp, "# captured on : %s", ctime(&st.st_ctime));
^
In file included from util/../perf.h:5:0,
from util/evlist.h:11,
from util/header.c:22:
/opt/android-ndk-r15c/platforms/android-26/arch-arm/usr/include/time.h:81:14: note: expected 'const time_t *' but argument is of type 'long unsigned int *'
extern char* ctime(const time_t*) __LIBC_ABI_PUBLIC__;
^

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-6bz74zp080yhmtiwb36enso9@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
tools/perf/util/header.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index ac3c59e7da16..bd9226bc5945 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -2636,6 +2636,7 @@ int perf_header__fprintf_info(struct perf_session *session, FILE *fp, bool full)
struct perf_header *header = &session->header;
int fd = perf_data__fd(session->data);
struct stat st;
+ time_t stctime;
int ret, bit;

hd.fp = fp;
@@ -2645,7 +2646,8 @@ int perf_header__fprintf_info(struct perf_session *session, FILE *fp, bool full)
if (ret == -1)
return -1;

- fprintf(fp, "# captured on : %s", ctime(&st.st_ctime));
+ stctime = st.st_ctime;
+ fprintf(fp, "# captured on : %s", ctime(&stctime));

fprintf(fp, "# header version : %u\n", header->version);
fprintf(fp, "# data offset : %" PRIu64 "\n", header->data_offset);
--
2.19.1


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