slackbuilds/games/joy2key/home_not_set_segfault.patch

35 lines
943 B
Diff

Author: Jonathan Niehof <jtniehof@gmail.com>
Subject: Fix segfault if $HOME not set and -config passed
Bug-Debian: https://bugs.debian.org/716582
Forwarded: https://sourceforge.net/p/joy2key/patches/5/
Last-Update: 2013-07-13
--- a/joy2key.c
+++ b/joy2key.c
@@ -386,6 +386,7 @@
FILE *file;
int rcargc;
char *rcargv[255], line[255];
+ char *homedir;
for(i=1; i<argc; i++)
{
@@ -442,9 +443,15 @@
}
if(strcmp(rcfile,DEFAULT_RCFILE) == 0)
{
- x=strlen(getenv("HOME")) + strlen(rcfile) + 2;
+ homedir=getenv("HOME");
+ if(homedir==NULL)
+ {
+ printf("No home directory; cannot open default rc file\n");
+ exit(1);
+ }
+ x=strlen(homedir) + strlen(rcfile) + 2;
rcfile=(char*)malloc(x);
- sprintf(rcfile, "%s/%s", getenv("HOME"), DEFAULT_RCFILE);
+ sprintf(rcfile, "%s/%s", homedir, DEFAULT_RCFILE);
}
if((file=fopen(rcfile, "r"))==NULL)
{