zig/libc/mingw/stdio/truncate.c
Andrew Kelley 2bb93784c6
mingw: build and link mingwex.lib
zig can now cross compile hello.c targeting windows
2019-07-10 17:41:34 -04:00

26 lines
532 B
C

#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);
_get_errno(&err);
_close(fd);
_set_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);
_get_errno(&err);
_close(fd);
_set_errno(err);
return ret;
}