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/* Scilab wgnuplib.c */
/* from GNUPLOT - win/wgnuplib.c */
/*
* Copyright (C) 1992 Russell Lang
*
* Permission to use, copy, and distribute this software and its
* documentation for any purpose with or without fee is hereby granted,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation.
*
* Permission to modify the software is granted, but not the right to
* distribute the modified code. Modifications are to be distributed
* as patches to released version.
*
* This software is provided "as is" without express or implied warranty.
*
* AUTHORS
* Russell Lang
*
* Modified for Scilab
* Jean-Philippe Chancelier
*
*/
#ifndef STRICT
#define STRICT
#endif
#include <windows.h>
#include <windowsx.h>
#include <ctype.h>
#include "wgnuplib.h"
#include "wresource.h"
#include "wcommon.h"
HINSTANCE hdllInstance;
LPSTR szParentClass = "wscilab_parent";
LPSTR szTextClass = "wscilab_text";
LPSTR szPauseClass = "wscilab_pause";
LPSTR szGraphClass = "wscilab_graph";
LPSTR szParentGraphClass = "wscilab_parent_graph";
#ifdef __DLL__
int WINAPI
DllMain (HINSTANCE hInstance, DWORD fdwReason, PVOID pvReserved)
{
hdllInstance = hInstance;
return 1;
}
EXPORT int WINAPI
WEP (int nParam)
{
return 1;
}
#else
/** used in winmain **/
void
NoDll (HINSTANCE hInstance)
{
hdllInstance = hInstance;
}
#endif /* __DLL__ */
/********************************************
* checks compatibility between executable
* and dll
********************************************/
EXPORT BOOL WINAPI
CheckWScilabVersion (LPSTR str)
{
char mess[256];
LPSTR version;
version = WSCILABVERSION;
if (lstrcmp (str, version))
{
wsprintf (mess, "Incorrect DLL version\nExpected version %s\nThis is version %s", str, version);
MessageBox (NULL, mess, "WSCILAB.DLL", MB_OK | MB_ICONSTOP | MB_TASKMODAL);
return TRUE;
}
return FALSE; /* Correct version */
}
/********************************************
* checks compatibility between executable
* and dll
********************************************/
void *
LocalAllocPtr (UINT flags, UINT size)
{
HLOCAL hlocal;
hlocal = LocalAlloc (flags, size + 1);
return (char *) LocalLock (hlocal);
}
void
LocalFreePtr (void *ptr)
{
HLOCAL hlocal;
hlocal = LocalHandle (ptr);
LocalUnlock (hlocal);
LocalFree (hlocal);
return;
}
/********************************************
* ascii to int convertion
* Used to read the *.ini files
* returns:
* A pointer to character past int if successful,
* otherwise NULL on failure.
* convert int is stored at pval.
********************************************/
LPSTR
GetLInt (LPSTR str, long int *pval)
{
int loc;
LPSTR loc1;
loc1 = GetInt (str, &loc);
*pval = (long int) loc;
return (loc1);
}
LPSTR
GetInt (LPSTR str, LPINT pval)
{
int val = 0;
BOOL negative = FALSE;
BOOL success = FALSE;
int ch;
if (!str)
return NULL;
while ((ch = *str) != 0 && isspace (ch))
str++;
if (ch == '-')
{
negative = TRUE;
str++;
}
while ((ch = *str) != 0 && isdigit (ch))
{
success = TRUE;
val = val * 10 + (ch - '0');
str++;
}
if (success)
{
if (negative)
val = -val;
*pval = val;
return str;
}
return NULL;
}
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