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Diffstat (limited to 'src/unistd/truncate.c')
-rw-r--r--src/unistd/truncate.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/unistd/truncate.c b/src/unistd/truncate.c
new file mode 100644
index 00000000..f75e824e
--- /dev/null
+++ b/src/unistd/truncate.c
@@ -0,0 +1,15 @@
+#include <unistd.h>
+#include "syscall.h"
+#include "libc.h"
+
+int truncate(const char *path, off_t length)
+{
+ if (sizeof(long) == 8)
+ return syscall2(__NR_truncate, (long)path, length);
+ else {
+ union { long long ll; long l[2]; } u = { length };
+ return syscall3(__NR_truncate64, (long)path, u.l[0], u.l[1]);
+ }
+}
+
+LFS64(truncate);