Mercurial > vim
view src/xpm_w32.c @ 11997:66b677c77467 v8.0.0879
patch 8.0.0879: crash when shifting with huge number
commit https://github.com/vim/vim/commit/bae5a17a738d1a3b5c51d9aa5d99e228d3911955
Author: Bram Moolenaar <Bram@vim.org>
Date: Sun Aug 6 15:42:06 2017 +0200
patch 8.0.0879: crash when shifting with huge number
Problem: Crash when shifting with huge number.
Solution: Check for overflow. (Dominique Pelle, closes https://github.com/vim/vim/issues/1945)
author | Christian Brabandt <cb@256bit.org> |
---|---|
date | Sun, 06 Aug 2017 15:45:04 +0200 |
parents | 4aead6a9b7a9 |
children | 15539899a112 |
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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; }