int plus = !!strchr(mode, '+');
/* Check for valid initial mode character */
- if (!strchr("rwa", *mode)) return 0;
+ if (!strchr("rwa", *mode)) {
+ errno = EINVAL;
+ return 0;
+ }
/* Allocate FILE+buffer or fail */
if (!(f=malloc(sizeof *f + UNGET + BUFSIZ))) return 0;
/* Set append mode on fd if opened for append */
if (*mode == 'a') {
- int flags = syscall(SYS_fcntl, fd, F_GETFL, 0);
- syscall(SYS_fcntl, fd, F_SETFL, flags | O_APPEND);
+ int flags = __syscall(SYS_fcntl, fd, F_GETFL);
+ __syscall(SYS_fcntl, fd, F_SETFL, flags | O_APPEND);
}
f->fd = fd;
/* Activate line buffered mode for terminals */
f->lbf = EOF;
- if (!(f->flags & F_NOWR) && !syscall(SYS_ioctl, fd, TCGETS, &tio))
+ if (!(f->flags & F_NOWR) && !__syscall(SYS_ioctl, fd, TCGETS, &tio))
f->lbf = '\n';
/* Initialize op ptrs. No problem if some are unneeded. */
f->seek = __stdio_seek;
f->close = __stdio_close;
+ if (!libc.threaded) f->lock = -1;
+
/* Add new FILE to open file list */
OFLLOCK();
- f->next = ofl_head;
- if (ofl_head) ofl_head->prev = f;
- ofl_head = f;
+ f->next = libc.ofl_head;
+ if (libc.ofl_head) libc.ofl_head->prev = f;
+ libc.ofl_head = f;
OFLUNLOCK();
return f;