Move names_to_pid from pending to lib.
diff --git a/lib/lib.c b/lib/lib.c
index 16c36b0..6a9a0bd 100644
--- a/lib/lib.c
+++ b/lib/lib.c
@@ -710,3 +710,28 @@
else c = '-';
*buf = c;
}
+
+// Execute a callback for each PID that matches a process name from a list.
+void names_to_pid(char **names, int (*callback)(pid_t pid, char *name))
+{
+ DIR *dp;
+ struct dirent *entry;
+
+ if (!(dp = opendir("/proc"))) perror_exit("opendir");
+
+ while ((entry = readdir(dp))) {
+ unsigned u;
+ char *cmd, **curname;
+
+ if (!(u = atoi(entry->d_name))) continue;
+ sprintf(libbuf, "/proc/%u/cmdline", u);
+ if (!(cmd = readfile(libbuf, libbuf, sizeof(libbuf)))) continue;
+
+ for (curname = names; *curname; curname++)
+ if (**curname == '/' ? !strcmp(cmd, *curname)
+ : !strcmp(basename(cmd), basename(*curname)))
+ if (callback(u, *curname)) break;
+ if (*curname) break;
+ }
+ closedir(dp);
+}
