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util: modernize get_parent_of_pid() a bit

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Lennart Poettering 2011-04-16 01:45:45 +02:00
parent 9072492933
commit 8480e784f1
1 changed files with 2 additions and 2 deletions
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4
src/util.c
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@ -456,11 +456,11 @@ int get_parent_of_pid(pid_t pid, pid_t *_ppid) {
char fn[PATH_MAX], line[LINE_MAX], *p;
long unsigned ppid;
assert(pid >= 0);
assert(pid > 0);
assert(_ppid);
assert_se(snprintf(fn, sizeof(fn)-1, "/proc/%lu/stat", (unsigned long) pid) < (int) (sizeof(fn)-1));
fn[sizeof(fn)-1] = 0;
char_array_0(fn);
if (!(f = fopen(fn, "r")))
return -errno;