src/stdio/__fopen_rb_ca.c

   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 }