err.c File Reference

#include "lwip/err.h"
#include "lwip/def.h"
#include "lwip/sys.h"
#include "lwip/errno.h"

Functions
int	err_to_errno (err_t err)

Variables
static const int	err_to_errno_table []

Detailed Description

Error Management module

Function Documentation

err_to_errno()

int err_to_errno

(

err_t

err

)

{
  if ((err > 0) || (-err >= (err_t)LWIP_ARRAYSIZE(err_to_errno_table))) {
    return EIO;
  }
  return err_to_errno_table[-err];
}

Variable Documentation

err_to_errno_table

const int err_to_errno_table[]

static

Initial value:

= {
  0,             
  ENOMEM,        
  ENOBUFS,       
  EWOULDBLOCK,   
  EHOSTUNREACH,  
  EINPROGRESS,   
  EINVAL,        
  EWOULDBLOCK,   
  EADDRINUSE,    
  EALREADY,      
  EISCONN,       
  ENOTCONN,      
  -1,            
  ECONNABORTED,  
  ECONNRESET,    
  ENOTCONN,      
  EIO            
}

Table to quickly map an lwIP error (err_t) to a socket error by using -err as an index