Use a better fallback in case `get_exe_filename` fails

This commit is contained in:
Guldoman 2022-11-13 15:54:08 +01:00
parent 1b1c13e3de
commit 66198eb327
1 changed files with 7 additions and 2 deletions

View File

@ -51,7 +51,7 @@ static void get_exe_filename(char *buf, int sz) {
const int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1 }; const int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1 };
sysctl(mib, 4, buf, &len, NULL, 0); sysctl(mib, 4, buf, &len, NULL, 0);
#else #else
strcpy(buf, "./lite"); *buf = NULL;
#endif #endif
} }
@ -200,7 +200,12 @@ init_lua:
char exename[2048]; char exename[2048];
get_exe_filename(exename, sizeof(exename)); get_exe_filename(exename, sizeof(exename));
if (*exename) {
lua_pushstring(L, exename); lua_pushstring(L, exename);
} else {
// get_exe_filename failed
lua_pushstring(L, argv[0]);
}
lua_setglobal(L, "EXEFILE"); lua_setglobal(L, "EXEFILE");
#ifdef __APPLE__ #ifdef __APPLE__