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basic/cgroup-util: port over to string_contains_word()

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This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2020-07-29 12:01:21 +02:00
parent 46ed9f4ce1
commit ae7ef63f21
1 changed files with 13 additions and 23 deletions
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36
src/basic/cgroup-util.c
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@ -652,14 +652,13 @@ int cg_remove_xattr(const char *controller, const char *path, const char *name)
return 0;
}
int cg_pid_get_path(const char *controller, pid_t pid, char **path) {
int cg_pid_get_path(const char *controller, pid_t pid, char **ret_path) {
_cleanup_fclose_ FILE *f = NULL;
const char *fs, *controller_str;
int unified, r;
size_t cs = 0;
assert(path);
assert(pid >= 0);
assert(ret_path);
if (controller) {
if (!cg_controller_is_valid(controller))
@ -675,8 +674,6 @@ int cg_pid_get_path(const char *controller, pid_t pid, char **path) {
controller_str = SYSTEMD_CGROUP_CONTROLLER_LEGACY;
else
controller_str = controller;
cs = strlen(controller_str);
}
fs = procfs_file_alloca(pid, "cgroup");
@ -688,13 +685,13 @@ int cg_pid_get_path(const char *controller, pid_t pid, char **path) {
for (;;) {
_cleanup_free_ char *line = NULL;
char *e, *p;
char *e;
r = read_line(f, LONG_LINE_MAX, &line);
if (r < 0)
return r;
if (r == 0)
break;
return -ENODATA;
if (unified) {
e = startswith(line, "0:");
@ -706,9 +703,6 @@ int cg_pid_get_path(const char *controller, pid_t pid, char **path) {
continue;
} else {
char *l;
size_t k;
const char *word, *state;
bool found = false;
l = strchr(line, ':');
if (!l)
@ -718,31 +712,27 @@ int cg_pid_get_path(const char *controller, pid_t pid, char **path) {
e = strchr(l, ':');
if (!e)
continue;
*e = 0;
FOREACH_WORD_SEPARATOR(word, k, l, ",", state)
if (k == cs && memcmp(word, controller_str, cs) == 0) {
found = true;
break;
}
if (!found)
r = string_contains_word(l, ",", controller_str);
if (r < 0)
return r;
if (r == 0)
continue;
}
p = strdup(e + 1);
if (!p)
char *path = strdup(e + 1);
if (!path)
return -ENOMEM;
/* Truncate suffix indicating the process is a zombie */
e = endswith(p, " (deleted)");
e = endswith(path, " (deleted)");
if (e)
*e = 0;
*path = p;
*ret_path = path;
return 0;
}
return -ENODATA;
}
int cg_install_release_agent(const char *controller, const char *agent) {