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diff -Naur rejoystick-0.8.1/src/main.c rejoystick-0.8.1.patched/src/main.c
--- rejoystick-0.8.1/src/main.c 2008-03-23 10:38:22.000000000 -0400
+++ rejoystick-0.8.1.patched/src/main.c 2022-03-15 21:28:38.753577677 -0400
@@ -137,12 +137,11 @@
pthread_t sdl_thread;
- char* home;
- char* keyfile;
-
- home = (char*)getenv("HOME");
- keyfile = KEYFILE;
- filename = strcat(home, keyfile);
+ const char * home = getenv("HOME");
+ if(!home) error("HOME not set in environment");
+ filename = malloc(strlen(home) + strlen(KEYFILE) + 1);
+ if(!filename) error("Out of memory");
+ sprintf(filename, "%s%s", home, KEYFILE);
global_argv = argv;
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