*state = (char*) e;
}
- return current;
+ return (char*) current;
}
int get_parent_of_pid(pid_t pid, pid_t *_ppid) {
f = fopen(p, "re");
if (!f)
- return -errno;
+ return errno == ENOENT ? -ESRCH : -errno;
if (!fgets(line, sizeof(line), f)) {
if (ferror(f))
int get_process_comm(pid_t pid, char **name) {
const char *p;
+ int r;
assert(name);
assert(pid >= 0);
else
p = procfs_file_alloca(pid, "comm");
- return read_one_line_file(p, name);
+ r = read_one_line_file(p, name);
+ if (r == -ENOENT)
+ return -ESRCH;
+
+ return r;
}
int get_process_cmdline(pid_t pid, size_t max_length, bool comm_fallback, char **line) {
r = readlink_malloc(p, name);
if (r < 0)
- return r;
+ return r == -ENOENT ? -ESRCH : r;
d = endswith(*name, " (deleted)");
if (d)
assert(r);
k = ttyname_r(fd, path, sizeof(path));
- if (k != 0)
+ if (k > 0)
return -k;
char_array_0(path);
size_t a;
void *q;
+ assert(allocated);
+
if (*allocated >= need)
return *p;
return q;
}
+void* greedy_realloc0(void **p, size_t *allocated, size_t need) {
+ size_t prev = *allocated;
+ uint8_t *q;
+
+ q = greedy_realloc(p, allocated, need);
+ if (!q)
+ return NULL;
+
+ if (*allocated > prev)
+ memset(&q[prev], 0, *allocated - prev);
+
+ return q;
+}
+
bool id128_is_valid(const char *s) {
size_t i, l;