d8/dff/readlink_8c_source.html

#include <stdarg.h>

#include <stdio.h>

#include <stdlib.h>

#include <sys/io.h>


#include "user/common/syscalls.h"


size_t readlink(const char* path, char* buffer, uint64_t count)

{

    uint64_t result = _syscall_readlink(path, buffer, count);

    if (result == ERR)

    {

        errno = _syscall_errno();

    }

    return result;

}


errno
#define errno
Error number variable.
Definition errno.h:27

readlink
size_t readlink(const char *path, char *buffer, uint64_t count)
System call for reading the target of a symbolic link.
Definition readlink.c:8

ERR
#define ERR
Integer error value.
Definition ERR.h:17

io.h

buffer
EFI_PHYSICAL_ADDRESS buffer
Definition mem.c:15

count
static atomic_long count
Definition main.c:11

stdarg.h

uint64_t
__UINT64_TYPE__ uint64_t
Definition stdint.h:17

stdio.h

stdlib.h

syscalls.h

_syscall_errno
static errno_t _syscall_errno(void)
Definition syscalls.h:113

_syscall_readlink
static uint64_t _syscall_readlink(const char *path, char *buffer, uint64_t size)
Definition syscalls.h:270