less_opts = "FRSXMK";
if (jump_to_end)
less_opts = strjoina(less_opts, " +G");
- setenv("LESS", less_opts, 1);
+ if (setenv("LESS", less_opts, 1) < 0)
+ _exit(EXIT_FAILURE);
/* Initialize a good charset for less. This is
* particularly important if we output UTF-8
less_charset = getenv("SYSTEMD_LESSCHARSET");
if (!less_charset && is_locale_utf8())
less_charset = "utf-8";
- if (less_charset)
- setenv("LESSCHARSET", less_charset, 1);
+ if (less_charset &&
+ setenv("LESSCHARSET", less_charset, 1) < 0)
+ _exit(EXIT_FAILURE);
/* Make sure the pager goes away when the parent dies */
if (prctl(PR_SET_PDEATHSIG, SIGTERM) < 0)