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perf config: Introduce perf_config_u8()

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Introduce perf_config_u8() utility function to convert char * input into
u8 destination. We will utilize it in followup patch.

Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Changbin Du <changbin.du@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Taeung Song <treeze.taeung@gmail.com>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Yisheng Xie <xieyisheng1@huawei.com>
Link: http://lore.kernel.org/lkml/20200213064306.160480-5-ravi.bangoria@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ravi Bangoria 2020-02-13 12:13:02 +05:30 committed by Arnaldo Carvalho de Melo
parent 46ccb44269
commit 7b43b69704
2 changed files with 13 additions and 0 deletions
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12
tools/perf/util/config.c
View File

@ -374,6 +374,18 @@ int perf_config_int(int *dest, const char *name, const char *value)
return 0;
}
int perf_config_u8(u8 *dest, const char *name, const char *value)
{
long ret = 0;
if (!perf_parse_long(value, &ret)) {
bad_config(name);
return -1;
}
*dest = ret;
return 0;
}
static int perf_config_bool_or_int(const char *name, const char *value, int *is_bool)
{
int ret;

1
tools/perf/util/config.h
View File

@ -29,6 +29,7 @@ typedef int (*config_fn_t)(const char *, const char *, void *);
int perf_default_config(const char *, const char *, void *);
int perf_config(config_fn_t fn, void *);
int perf_config_int(int *dest, const char *, const char *);
int perf_config_u8(u8 *dest, const char *name, const char *value);
int perf_config_u64(u64 *dest, const char *, const char *);
int perf_config_bool(const char *, const char *);
int config_error_nonbool(const char *);