ptrdiff_t len = e - p;
#ifndef HAVE_UNSETENV
-#ifdef HAVE_MINGW
+#ifdef HAVE_WINDOWS
// Windows requires putenv("FOO=") to unset %FOO%
len++;
#endif
#endif
- char var[len + 1];
+ char *var = alloca(len + 1);
strncpy(var, p, len);
var[len] = 0;
#ifdef HAVE_UNSETENV
/* First check if there is a script */
-#ifdef HAVE_MINGW
+#ifdef HAVE_WINDOWS
if(!*scriptextension) {
const char *pathext = getenv("PATHEXT");
size_t pathlen = strlen(pathext);
size_t scriptlen = strlen(scriptname);
- char fullname[scriptlen + pathlen + 1];
+
+ const size_t fullnamelen = scriptlen + pathlen + 1;
+ char *fullname = alloca(fullnamelen);
char *ext = fullname + scriptlen;
- strncpy(fullname, scriptname, sizeof(fullname));
+ strncpy(fullname, scriptname, fullnamelen);
const char *p = pathext;
bool found = false;