view src/xpm_w32.c @ 26083:a677aa897843 v8.2.3575

patch 8.2.3575: overflow check still fails when sizeof(int) == sizeof(long) Commit: https://github.com/vim/vim/commit/e551ccfb9311eea5252d1c3106ff7a53c762d994 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Nov 2 23:11:00 2021 +0000 patch 8.2.3575: overflow check still fails when sizeof(int) == sizeof(long) Problem: Overflow check still fails when sizeof(int) == sizeof(long). Solution: Use a float to check the result.
author Bram Moolenaar <Bram@vim.org>
date Wed, 03 Nov 2021 00:15:04 +0100
parents 15539899a112
children
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/* vi:set ts=8 sts=4 sw=4 noet:
 *
 * Load XPM image.
 *
 * This function is placed in separate file because Xpm headers conflict with
 * Vim ones :(
 *
 * Written by Sergey Khorev.
 * http://iamphet.nm.ru/vim/index.html
 */

#ifndef WIN32_LEAN_AND_MEAN
# define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>

#include "xpm_w32.h"

// Engage Windows support in libXpm
#define FOR_MSW

#include "xpm.h"

/*
 * Tries to load an Xpm image from the file "filename".
 * Returns -1 on failure.
 * Returns 0 on success and stores image and mask BITMAPS in "hImage" and
 * "hShape".
 */
    int
LoadXpmImage(
    char    *filename,
    HBITMAP *hImage,
    HBITMAP *hShape)
{
    XImage	    *img;  // loaded image
    XImage	    *shp;  // shapeimage
    XpmAttributes   attr;
    int		    res;
    HDC		    hdc = CreateCompatibleDC(NULL);

    attr.valuemask = 0;
    res = XpmReadFileToImage(&hdc, filename, &img, &shp, &attr);
    DeleteDC(hdc);
    if (res < 0)
	return -1;
    if (shp == NULL)
    {
	if (img)
	    XDestroyImage(img);
	return -1;
    }
    *hImage = img->bitmap;
    *hShape = shp->bitmap;
    return 0;
}