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perf target: Introduce perf_target__parse_uid()

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Add and use the modern perf_target__parse_uid() and get rid of the old
parse_target_uid().

Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1336367344-28071-5-git-send-email-namhyung.kim@lge.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim
2012-05-07 14:09:01 +09:00
committed by Arnaldo Carvalho de Melo
parent 60bbddaaa3
commit dfe78adaac
6 changed files with 42 additions and 39 deletions
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31
tools/perf/util/usage.c
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@@ -82,34 +82,3 @@ void warning(const char *warn, ...)
warn_routine(warn, params);
va_end(params);
}
uid_t parse_target_uid(const char *str)
{
struct passwd pwd, *result;
char buf[1024];
if (str == NULL)
return UINT_MAX;
getpwnam_r(str, &pwd, buf, sizeof(buf), &result);
if (result == NULL) {
char *endptr;
int uid = strtol(str, &endptr, 10);
if (*endptr != '\0') {
ui__error("Invalid user %s\n", str);
return UINT_MAX - 1;
}
getpwuid_r(uid, &pwd, buf, sizeof(buf), &result);
if (result == NULL) {
ui__error("Problems obtaining information for user %s\n",
str);
return UINT_MAX - 1;
}
}
return result->pw_uid;
}