Moving strncat/strcpy calls into scnprintf to easily track number of displayed bytes. It will be used in following patch.
Link: http://lkml.kernel.org/n/[email protected] Signed-off-by: Jiri Olsa <[email protected]> --- tools/perf/util/mem-events.c | 13 +++++++------ tools/perf/util/mem-events.h | 2 +- 2 files changed, 8 insertions(+), 7 deletions(-) diff --git a/tools/perf/util/mem-events.c b/tools/perf/util/mem-events.c index 7a4fb7e8159d..cd8241fea081 100644 --- a/tools/perf/util/mem-events.c +++ b/tools/perf/util/mem-events.c @@ -164,7 +164,7 @@ static const char * const mem_lvl[] = { "Uncached", }; -void perf_mem__lvl_scnprintf(char *out, size_t sz, struct mem_info *mem_info) +int perf_mem__lvl_scnprintf(char *out, size_t sz, struct mem_info *mem_info) { size_t i, l = 0; u64 m = PERF_MEM_LVL_NA; @@ -189,15 +189,16 @@ void perf_mem__lvl_scnprintf(char *out, size_t sz, struct mem_info *mem_info) strcat(out, " or "); l += 4; } - strncat(out, mem_lvl[i], sz - l); - l += strlen(mem_lvl[i]); + l += scnprintf(out + l, sz - l, mem_lvl[i]); } if (*out == '\0') - strcpy(out, "N/A"); + l += scnprintf(out, sz - l, "N/A"); if (hit) - strncat(out, " hit", sz - l); + l += scnprintf(out + l, sz - l, " hit"); if (miss) - strncat(out, " miss", sz - l); + l += scnprintf(out + l, sz - l, " miss"); + + return l; } static const char * const snoop_access[] = { diff --git a/tools/perf/util/mem-events.h b/tools/perf/util/mem-events.h index c6fb8a741fbb..9b7a273aeeee 100644 --- a/tools/perf/util/mem-events.h +++ b/tools/perf/util/mem-events.h @@ -27,7 +27,7 @@ char *perf_mem_events__name(int i); struct mem_info; int perf_mem__tlb_scnprintf(char *out, size_t sz, struct mem_info *mem_info); -void perf_mem__lvl_scnprintf(char *out, size_t sz, struct mem_info *mem_info); +int perf_mem__lvl_scnprintf(char *out, size_t sz, struct mem_info *mem_info); void perf_mem__snp_scnprintf(char *out, size_t sz, struct mem_info *mem_info); void perf_mem__lck_scnprintf(char *out, size_t sz, struct mem_info *mem_info); -- 2.4.3
