| 1 | #include "stdio_impl.h" |
| 2 | #include <fcntl.h> |
| 3 | #include <string.h> |
| 4 | |
| 5 | FILE *__fopen_rb_ca(const char *filename, FILE *f, unsigned char *buf, size_t len) |
| 6 | { |
| 7 | 	memset(f, 0, sizeof *f); |
| 8 | |
| 9 | 	f->fd = sys_open(filename, O_RDONLY|O_CLOEXEC); |
| 10 | 	if (f->fd < 0) return 0; |
| 11 | 	__syscall(SYS_fcntl, f->fd, F_SETFD, FD_CLOEXEC); |
| 12 | |
| 13 | 	f->flags = F_NOWR | F_PERM; |
| 14 | 	f->buf = buf + UNGET; |
| 15 | 	f->buf_size = len - UNGET; |
| 16 | 	f->read = __stdio_read; |
| 17 | 	f->seek = __stdio_seek; |
| 18 | 	f->close = __stdio_close; |
| 19 | 	f->lock = -1; |
| 20 | |
| 21 | 	return f; |
| 22 | } |