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util: modernize get_parent_of_pid() a bit
author
Lennart Poettering
<lennart@poettering.net>
Fri, 15 Apr 2011 23:45:45 +0000
(
01:45
+0200)
committer
Lennart Poettering
<lennart@poettering.net>
Sat, 16 Apr 2011 00:03:34 +0000
(
02:03
+0200)
src/util.c
patch
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diff --git
a/src/util.c
b/src/util.c
index 75ad56fecf2f3e45d0bd193b59bde6746b74e365..39c9db72fcc93271fb33efd7412e4548ce423318 100644
(file)
--- a/
src/util.c
+++ b/
src/util.c
@@
-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;