system-linux: add device options used by wpad

[project/netifd.git] / utils.c

diff --git a/utils.c b/utils.c
index ba2695272ac9a1fac486ebdecc6f97544aaf54fb..4f40b4b99baf06fe242d55b5908bb0a15f623327 100644 (file)
--- a/utils.c
+++ b/utils.c
@@ -176,6 +176,8 @@ crc32_file(FILE *fp)
 
 bool check_pid_path(int pid, const char *exe)
 {
+       const char deleted[] = " (deleted)";
+       const int deleted_len = strlen(deleted);
        int proc_exe_len;
        int exe_len = strlen(exe);
 
@@ -191,10 +193,13 @@ bool check_pid_path(int pid, const char *exe)
        proc_exe_len = readlink(proc_exe, proc_exe_buf, exe_len);
 #endif
 
-       if (proc_exe_len != exe_len)
+       if (proc_exe_len == exe_len)
+               return !memcmp(exe, proc_exe_buf, exe_len);
+       else if (proc_exe_len == exe_len + deleted_len)
+               return !memcmp(exe, proc_exe_buf, exe_len) &&
+                       !memcmp(exe + exe_len, deleted, deleted_len);
+       else
                return false;
-
-       return !memcmp(exe, proc_exe_buf, exe_len);
 }
 
 static const char * const uci_validate_name[__BLOBMSG_TYPE_LAST] = {