diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/ulimit.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/ulimit.c | 55 |
1 files changed, 30 insertions, 25 deletions
diff --git a/sysdeps/unix/sysv/linux/ulimit.c b/sysdeps/unix/sysv/linux/ulimit.c index ef224d22ac..58ff111612 100644 --- a/sysdeps/unix/sysv/linux/ulimit.c +++ b/sysdeps/unix/sysv/linux/ulimit.c @@ -16,10 +16,11 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#include <errno.h> +#include <stdarg.h> #include <sysdep.h> -#include <sys/resource.h> #include <unistd.h> -#include <errno.h> +#include <sys/resource.h> /* Function depends on CMD: 1 = Return the limit on the size of a file, in units of 512 bytes. @@ -31,42 +32,46 @@ can open. Returns -1 on errors. */ long int -__ulimit (cmd, newlimit) - int cmd; - long int newlimit; +__ulimit (int cmd, ...) { - int status; + struct rlimit limit; + va_list va; + long int result = -1; + + va_start (va, cmd); switch (cmd) { - case 1: - { - /* Get limit on file size. */ - struct rlimit fsize; - - status = getrlimit (RLIMIT_FSIZE, &fsize); - if (status < 0) - return -1; - + case UL_GETFSIZE: + /* Get limit on file size. */ + if (getrlimit (RLIMIT_FSIZE, &limit) == 0) /* Convert from bytes to 512 byte units. */ - return fsize.rlim_cur / 512; - } - case 2: + result = limit.rlim_cur / 512; + break; + + case UL_SETFSIZE: /* Set limit on file size. */ { - struct rlimit fsize; - fsize.rlim_cur = newlimit * 512; - fsize.rlim_max = newlimit * 512; + long int newlimit = va_arg (va, long int); + + limit.rlim_cur = newlimit * 512; + limit.rlim_max = newlimit * 512; - return setrlimit (RLIMIT_FSIZE, &fsize); + result = setrlimit (RLIMIT_FSIZE, &limit); } - case 4: - return sysconf (_SC_OPEN_MAX); + break; + + case __UL_GETOPENMAX: + result = sysconf (_SC_OPEN_MAX); + break; default: __set_errno (EINVAL); - return -1; } + + va_end (va); + + return result; } weak_alias (__ulimit, ulimit); |