zig/lib/libc/mingw/stdio/truncate.c

25 lines
514 B
C
Vendored

#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
int truncate(const char *pathname, _off_t len){
int ret, err;
int fd = _open(pathname,_O_BINARY|_O_RDWR);
if (fd == -1) return fd;
ret = ftruncate(fd,len);
err = errno;
_close(fd);
errno = err;
return ret;
}
int truncate64(const char *pathname, _off64_t len){
int ret, err;
int fd = _open(pathname,_O_BINARY|_O_RDWR);
if (fd == -1) return fd;
ret = ftruncate64(fd,len);
err = errno;
_close(fd);
errno = err;
return ret;
}