Files
epics-base/src/gdd/aitConvert.cc
T

143 lines
4.0 KiB
C++

// Author: Jim Kowalkowski
// Date: 2/96
//
// $Id$
//
// $Log$
// Revision 1.5 1997/04/23 17:12:53 jhill
// fixed export of symbols from WIN32 DLL
//
// Revision 1.4 1996/11/02 01:24:39 jhill
// strcpy => styrcpy (shuts up purify)
//
// Revision 1.3 1996/08/22 21:05:37 jbk
// More fixes to make strings and fixed string work better.
//
// Revision 1.2 1996/08/13 15:07:42 jbk
// changes for better string manipulation and fixes for the units field
//
// Revision 1.1 1996/06/25 19:11:28 jbk
// new in EPICS base
//
//
// *Revision 0.4 1996/06/25 18:58:58 jbk
// *more fixes for the aitString management functions and mapping menus
// *Revision 0.3 1996/06/24 03:15:28 jbk
// *name changes and fixes for aitString and fixed string functions
// *Revision 0.2 1996/06/17 15:24:04 jbk
// *many mods, string class corrections.
// *gdd operator= protection.
// *dbmapper uses aitString array for menus now
// *Revision 0.1 1996/05/31 13:15:17 jbk
// *add new stuff
#define AIT_CONVERT_SOURCE 1
#include <stdio.h>
#include <stdlib.h>
#define epicsExportSharedSymbols
#include "aitConvert.h"
extern "C" {
int aitNoConvert(void* /*dest*/,const void* /*src*/,aitIndex /*count*/) {return -1;}
}
#ifdef AIT_CONVERT
#undef AIT_CONVERT
#endif
#ifdef AIT_TO_NET_CONVERT
#undef AIT_TO_NET_CONVERT
#endif
#ifdef AIT_FROM_NET_CONVERT
#undef AIT_FROM_NET_CONVERT
#endif
#ifndef min
#define min(A,B) ((A)<(B)?(A):(B))
#endif
/* put the fixed conversion functions here (ones not generated) */
/* ------- extra string conversion functions --------- */
static int aitConvertStringString(void* d,const void* s,aitIndex c)
{
// does not work - need to be fixed
aitIndex i;
aitString *in=(aitString*)s, *out=(aitString*)d;
for(i=0;i<c;i++) out[i]=in[i];
return 0;
}
static int aitConvertToNetStringString(void* d,const void* s,aitIndex c)
{ return aitConvertStringString(d,s,c);}
static int aitConvertFromNetStringString(void* d,const void* s,aitIndex c)
{ return aitConvertStringString(d,s,c);}
/* ------ all the fixed string conversion functions ------ */
static int aitConvertFixedStringFixedString(void* d,const void* s,aitIndex c)
{
aitUint32 len = c*AIT_FIXED_STRING_SIZE;
memcpy(d,s,len);
return 0;
}
static int aitConvertToNetFixedStringFixedString(void* d,const void* s,aitIndex c)
{ return aitConvertFixedStringFixedString(d,s,c);}
static int aitConvertFromNetFixedStringFixedString(void* d,const void* s,aitIndex c)
{ return aitConvertFixedStringFixedString(d,s,c);}
static int aitConvertStringFixedString(void* d,const void* s,aitIndex c)
{
aitIndex i;
aitString* out = (aitString*)d;
aitFixedString* in = (aitFixedString*)s;
for(i=0;i<c;i++) out[i].copy(in[i].fixed_string);
return 0;
}
static int aitConvertFixedStringString(void* d,const void* s,aitIndex c)
{
aitIndex i;
aitString* in = (aitString*)s;
aitFixedString* out = (aitFixedString*)d;
//
// joh - changed this from strcpy() to stncpy() in order to:
// 1) shut up purify
// 2) guarantee that all fixed strings will be terminated
// 3) guarantee that we will not overflow a fixed string
//
for(i=0;i<c;i++){
strncpy(out[i].fixed_string,in[i].string(),AIT_FIXED_STRING_SIZE);
out[i].fixed_string[AIT_FIXED_STRING_SIZE-1u] = '\0';
}
return 0;
}
static int aitConvertToNetStringFixedString(void* d,const void* s,aitIndex c)
{ return aitConvertStringFixedString(d,s,c); }
static int aitConvertFromNetFixedStringString(void* d,const void* s,aitIndex c)
{ return aitConvertFixedStringString(d,s,c); }
static int aitConvertToNetFixedStringString(void* d,const void* s,aitIndex c)
{ return aitConvertStringFixedString(d,s,c); }
static int aitConvertFromNetStringFixedString(void* d,const void* s,aitIndex c)
{ return aitConvertFixedStringString(d,s,c); }
#define AIT_CONVERT 1
#include "aitConvertGenerated.cc"
#undef AIT_CONVERT
/* include the network byte order functions if needed */
#ifdef AIT_NEED_BYTE_SWAP
#define AIT_TO_NET_CONVERT 1
#include "aitConvertGenerated.cc"
#undef AIT_TO_NET_CONVERT
#define AIT_FROM_NET_CONVERT 1
#include "aitConvertGenerated.cc"
#undef AIT_FROM_NET_CONVERT
#endif