fgets: avoid arithmetic overflow when n==INT_MIN is passed

[musl] / src / unistd / ftruncate.c

diff --git a/src/unistd/ftruncate.c b/src/unistd/ftruncate.c
index e0b2f4b..54ff34b 100644 (file)
--- a/src/unistd/ftruncate.c
+++ b/src/unistd/ftruncate.c
@@ -1,15 +1,7 @@
 #include <unistd.h>
 #include "syscall.h"
-#include "libc.h"
 
 int ftruncate(int fd, off_t length)
 {
-       if (sizeof(long) == 8)
-               return syscall2(__NR_ftruncate, fd, length);
-       else {
-               union { long long ll; long l[2]; } u = { length };
-               return syscall3(__NR_ftruncate64, fd, u.l[0], u.l[1]);
-       }
+       return syscall(SYS_ftruncate, fd, __SYSCALL_LL_O(length));
 }
-
-LFS64(ftruncate);