Attachment 141016 Details for Bug 107531 – A program to reproduce segmentation fault

A program to reproduce segmentation fault

bug.c (text/x-csrc), 1001 bytes, created by Alexander Krotov on 2018-08-09 00:13:44 UTC

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Creator: Alexander Krotov

Created: 2018-08-09 00:13:44 UTC

Size: 1001 bytes

patch

obsolete

>/*
>gcc bug.c -lX11 -lXft -I /usr/include/freetype2 -lfontconfig
>*/
>#include <stdio.h>
>
>#include <X11/Xlib.h>
>#include <X11/Xft/Xft.h>
>
>int main(void) {
>	Display *dpy = XOpenDisplay(NULL);
>	if(dpy == NULL)
>		return 1;
>	int screen = DefaultScreen(dpy);
>
>	char *fontname = "monospace:size=10";
>	XftFont *xfont = XftFontOpenName(dpy, screen, fontname);
>	if(xfont == NULL) {
>		printf("Can't load font pattern");
>		return 1;
>	}
>	FcPattern *pattern = FcNameParse((FcChar8 *) fontname);
>	if (pattern == NULL) {
>		printf("Can't parse name to pattern");
>		return 1;
>	}
>	
>	long utf8codepoint = 0x1F4D3; // notebook emoji
>
>	FcCharSet *fccharset = FcCharSetCreate ();
>	FcCharSetAddChar(fccharset, utf8codepoint);
>	FcPatternAddCharSet(pattern, FC_CHARSET, fccharset);
>	FcPatternAddBool(pattern, FC_SCALABLE, FcTrue);
>
>	FcConfigSubstitute(NULL, pattern, FcMatchPattern);
>	FcDefaultSubstitute(pattern);
>	FcResult result;
>	// drw.c uses XftFontMatch here
>	FcFontMatch (NULL, pattern, &result);
>
>	XCloseDisplay(dpy);
>}

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Attachments on bug 107531: 141016

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