add getopt reset support

[musl] / src / misc / getrusage.c

diff --git a/src/misc/getrusage.c b/src/misc/getrusage.c
index 1b8850f..a5cbd75 100644 (file)
--- a/src/misc/getrusage.c
+++ b/src/misc/getrusage.c
@@ -2,19 +2,7 @@
 #include <string.h>
 #include "syscall.h"
 
-/* this is a huge hack to make up for the kernel's stupid 32bit time_t
- * without having to recopy the whole rusage structure ourselves.. */
-
 int getrusage(int who, struct rusage *ru)
 {
-       struct { long tv_sec, tv_usec; } ktv[2];
-       char *fakeaddr = ((char *)ru + sizeof(struct timeval [2]) - sizeof ktv);
-       if (syscall2(__NR_getrusage, who, (long)fakeaddr) < 0)
-               return -1;
-       memcpy(ktv, fakeaddr, sizeof ktv);
-       ru->ru_utime.tv_sec  = ktv[0].tv_sec;
-       ru->ru_utime.tv_usec = ktv[0].tv_usec;
-       ru->ru_stime.tv_sec  = ktv[1].tv_sec;
-       ru->ru_stime.tv_usec = ktv[1].tv_usec;
-       return 0;
+       return syscall(SYS_getrusage, who, ru);
 }