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#ifndef lint
static char *RCSid = "$Id: wgnuplib.c%v 3.38.2.74 1993/02/19 01:19:51 woo Exp woo $";
#endif
/* 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
*
* Send your comments or suggestions to
* info-gnuplot@dartmouth.edu.
* This is a mailing list; to join it send a note to
* info-gnuplot-request@dartmouth.edu.
* Send bug reports to
* bug-gnuplot@dartmouth.edu.
*/
#define STRICT
#include <windows.h>
#include <windowsx.h>
#include <ctype.h>
#include "wgnuplib.h"
#include "wresourc.h"
#include "wcommon.h"
HINSTANCE hdllInstance;
LPSTR szParentClass = "wgnuplot_parent";
LPSTR szTextClass = "wgnuplot_text";
LPSTR szPauseClass = "wgnuplot_pause";
LPSTR szGraphClass = "wgnuplot_graph";
/* Window ID */
struct WID {
BOOL used;
HWND hwnd;
void FAR * ptr;
};
struct WID *widptr = NULL;
unsigned int nwid = 0;
HLOCAL hwid = 0;
#ifdef __DLL__
int WDPROC
LibMain(HINSTANCE hInstance, WORD wDataSeg, WORD wHeapSize, LPSTR lpszCmdLine)
{
hdllInstance = hInstance;
return 1;
}
int WDPROC
WEP(int nParam)
{
return 1;
}
BOOL WDPROC
CheckWGNUPLOTVersion(LPSTR str)
{
char mess[256];
LPSTR version;
version = WGNUPLOTVERSION;
if (lstrcmp(str,version)) {
wsprintf(mess,"Incorrect DLL version\nExpected version %s\nThis is version %s",str,version);
MessageBox(NULL, mess , "WGNUPLOT.DLL", MB_OK | MB_ICONSTOP | MB_TASKMODAL);
return TRUE;
}
return FALSE; /* Correct version */
}
#endif /* __DLL__ */
void NEAR *
LocalAllocPtr(UINT flags, UINT size)
{
HLOCAL hlocal;
hlocal = LocalAlloc(flags, size+1);
return (char *)LocalLock(hlocal);
}
void
LocalFreePtr(void NEAR *ptr)
{
HLOCAL hlocal;
hlocal = LocalHandle(ptr);
LocalUnlock(hlocal);
LocalFree(hlocal);
return;
}
/* ascii to int */
/* returns:
* A pointer to character past int if successful,
* otherwise NULL on failure.
* convert int is stored at pval.
*/
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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