AutoXDR - NFSv4 Example Enum translator

This code translates enumerations into strings and back. It can be used on either the client or server side, but the interface is declared in the client header.

/*
 *  DO NOT EDIT THIS FILE   (nfsv4-enum.c)
 *  
 *  It has been AutoGen-ed  March  1, 2010 at 02:26:41 PM by AutoGen 5.10.1
 *  From the definitions    nfsv4.def
 *  and the template file   autoxdr.tpl
 *
 *  This file has been generated by the AutoXDR AutoGen template suite.
 *
 *  These files are compatible with:
 *  RFC1831 - Remote Procedure Call Protocol Specification Version 2
 *  RFC1832 - External Data Representation Standard
 *  and are intended to be used as a layer on top of the ONC IDL
 *  in conjunction with RPCGEN.
 *
 */
#include <stdio.h>
#include "nfsv4-clhdr.h"
#include "nfsv4.h"

static char const enum_text[224] =
    "`%d' is not in NFS4's %s enumeration\n\0"
    "`%s' is not in NFS4's %s enumeration\n\0"
    "OK\0"
    "successful completion\0"
    "PERM\0"
    "caller is either not privileged or not owner\0"
    "NOENT\0"
    "No such file or directory\0"
    "OMITTED\0"
    "operation omitted\0"
    "status\0"
    "ACCESS4\0";

static char zOops[ 101 ];

typedef struct enum_info {
  int           eid;
  char const*   pz_name;
  char const*   pz_info;
  int           unused;
} enum_info_t;

/*
 *  NFS4's status enumeration conversions
 */
static enum_info_t a_nfs4_status_info[] = {
  {   0, enum_text+ 76, enum_text+ 79, 0 },
  {   1, enum_text+101, enum_text+106, 0 },
  {   2, enum_text+151, enum_text+157, 0 },
  { 256, enum_text+183, enum_text+191, 0 }
};



char const*
info_nfs4_status( nfs4_status eid )
{
  int lo = 0;
  int hi = 3;
  int av = (lo + hi)/2;

  for (;;)
    {
      int c = (int)eid - a_nfs4_status_info[ av ].eid;
      if (c == 0)
        return a_nfs4_status_info[ av ].pz_info;
      if (c < 0)
        hi = av - 1;
      else
        lo = av + 1;

      if (hi < lo)
        break;
      av = (lo + hi)/2;
    }

  snprintf( zOops, 101, enum_text+  0, eid, enum_text+209 );
  return zOops;
}


char const*
name_nfs4_status( nfs4_status eid )
{
  int lo = 0;
  int hi = 3;
  int av = (lo + hi)/2;

  for (;;)
    {
      int c = (int)eid - a_nfs4_status_info[ av ].eid;
      if (c == 0)
        return a_nfs4_status_info[ av ].pz_name;
      if (c < 0)
        hi = av - 1;
      else
        lo = av + 1;

      if (hi < lo)
        break;
      av = (lo + hi)/2;
    }

  snprintf( zOops, 101, enum_text+  0, eid, enum_text+209 );
  return zOops;
}

nfs4_status
nfs4_status_enum( char const* pz_name )
{
  int i = 0;
  do
    {
      char const* pz = a_nfs4_status_info[i].pz_name;
      if ((pz != NULL) && (strcmp( pz, pz_name ) == 0))
        return a_nfs4_status_info[i].eid;
    }
  while (++i < 4);
  fprintf( stderr, enum_text+ 38, pz_name, enum_text+209 );
  return (nfs4_status)-1;
}

char const*
name_nfs4_compound_ops( nfs4_compound_ops op )
{
  static char const * const apz_op_names[] = {
    enum_text+216 };
  int idx = (int)op - 3;
  if ((unsigned)idx > 0)
    return (char const*)NULL;
  return apz_op_names[ idx ];
}