Mercurial > vim
view src/xpm_w32.c @ 33920:28e1e956f42c v9.0.2159
patch 9.0.2159: screenpos() may crash with neg. column
Commit: https://github.com/vim/vim/commit/ec54af4e26952d954a4cc009f62c80ea01445d30
Author: zeertzjq <zeertzjq@outlook.com>
Date: Tue Dec 12 16:43:44 2023 +0100
patch 9.0.2159: screenpos() may crash with neg. column
Problem: screenpos() may crash with neg. column
Solution: validate and correct column
closes: #13669
Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
author | Christian Brabandt <cb@256bit.org> |
---|---|
date | Tue, 12 Dec 2023 17:00:08 +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; }