--- ./process.c.orig 2009-03-06 02:25:10.000000000 +0100 +++ ./process.c 2013-09-12 10:51:16.000000000 +0200 @@ -2901,9 +2901,9 @@ */ #ifdef IZ_HAVE_UXUIDGID - if (eb_len >= EB_UX3_MINLEN - && z_uidgid != NULL - && (*((EB_HEADSIZE + 0) + ef_buf) == 1) + if ((eb_len >= EB_UX3_MINLEN) + && (z_uidgid != NULL) + && ((*((EB_HEADSIZE + 0) + ef_buf) == 1))) /* only know about version 1 */ { uch uid_size; @@ -2915,10 +2915,10 @@ flags &= ~0x0ff; /* ignore any previous UNIX field */ if ( read_ux3_value((EB_HEADSIZE + 2) + ef_buf, - uid_size, z_uidgid[0]) + uid_size, &z_uidgid[0]) && read_ux3_value((EB_HEADSIZE + uid_size + 3) + ef_buf, - gid_size, z_uidgid[1]) ) + gid_size, &z_uidgid[1]) ) { flags |= EB_UX2_VALID; /* signal success */ }