diff options
Diffstat (limited to 'arch/um/kernel/initrd_user.c')
-rw-r--r-- | arch/um/kernel/initrd_user.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/um/kernel/initrd_user.c b/arch/um/kernel/initrd_user.c new file mode 100644 index 000000000000..cb90681e151c --- /dev/null +++ b/arch/um/kernel/initrd_user.c @@ -0,0 +1,46 @@ +/* + * Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com) + * Licensed under the GPL + */ + +#include <unistd.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <errno.h> + +#include "user_util.h" +#include "kern_util.h" +#include "user.h" +#include "initrd.h" +#include "os.h" + +int load_initrd(char *filename, void *buf, int size) +{ + int fd, n; + + fd = os_open_file(filename, of_read(OPENFLAGS()), 0); + if(fd < 0){ + printk("Opening '%s' failed - err = %d\n", filename, -fd); + return(-1); + } + n = os_read_file(fd, buf, size); + if(n != size){ + printk("Read of %d bytes from '%s' failed, err = %d\n", size, + filename, -n); + return(-1); + } + + os_close_file(fd); + return(0); +} + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ |