/* vi: set sw=4 ts=4: */ /* * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> * * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. */ #include <sys/syscall.h> #include <stdarg.h> #include <unistd.h> #include <ulimit.h> #include <sys/resource.h> long int ulimit(int cmd, ...) { va_list va; struct rlimit limit; long int result = -1; va_start (va, cmd); switch (cmd) { /* Get limit on file size. */ case UL_GETFSIZE: if (getrlimit(RLIMIT_FSIZE, &limit) == 0) result = limit.rlim_cur / 512; /* bytes to 512 byte blocksize */ break; /* Set limit on file size. */ case UL_SETFSIZE: result = va_arg (va, long int); if ((rlim_t) result > RLIM_INFINITY / 512) { limit.rlim_cur = RLIM_INFINITY; limit.rlim_max = RLIM_INFINITY; } else { limit.rlim_cur = result * 512; limit.rlim_max = result * 512; } result = setrlimit(RLIMIT_FSIZE, &limit); break; case __UL_GETOPENMAX: result = sysconf(_SC_OPEN_MAX); break; default: __set_errno(EINVAL); } va_end (va); return result; }