#define STRV_MAKE(...) ((char**) ((const char*[]) { __VA_ARGS__, NULL }))
#define STRV_MAKE_EMPTY ((char*[1]) { NULL })
-/* Iterates through a specified list of pointers. Accepts NULL pointers, but uses (void*) -1 as internal marker for EOL. */
-#define FOREACH_POINTER(p, x, ...) \
- for (typeof(p) *_l = (typeof(p)[]) { ({ p = x; }), ##__VA_ARGS__, (void*) -1 }; \
- p != (typeof(p)) (void*) -1; \
+/* Pointers range from NULL to POINTER_MAX */
+#define POINTER_MAX ((void*) UINTPTR_MAX)
+
+/* Iterates through a specified list of pointers. Accepts NULL pointers, but uses POINTER_MAX as internal marker for EOL. */
+#define FOREACH_POINTER(p, x, ...) \
+ for (typeof(p) *_l = (typeof(p)[]) { ({ p = x; }), ##__VA_ARGS__, POINTER_MAX }; \
+ p != (typeof(p)) POINTER_MAX; \
p = *(++_l))
/* Define C11 thread_local attribute even on older gcc compiler
sz = strlen_ptr(first);
va_start(ap, first);
- while ((p = va_arg(ap, char*)) != (const char*) -1)
+ while ((p = va_arg(ap, char*)) != POINTER_MAX)
if (!isempty(p))
sz += 1 + strlen(p);
va_end(ap);
}
va_start(ap, first);
- while ((p = va_arg(ap, char*)) != (const char*) -1) {
+ while ((p = va_arg(ap, char*)) != POINTER_MAX) {
if (isempty(p))
continue;
bool path_equal(const char *a, const char *b) _pure_;
bool path_equal_or_files_same(const char *a, const char *b, int flags);
char* path_join_internal(const char *first, ...);
-#define path_join(x, ...) path_join_internal(x, __VA_ARGS__, (const char*) -1)
+#define path_join(x, ...) path_join_internal(x, __VA_ARGS__, POINTER_MAX)
char* path_simplify(char *path, bool kill_dots);
char **strv_new_ap(const char *x, va_list ap);
#define strv_new(...) strv_new_internal(__VA_ARGS__, NULL)
-#define STRV_IGNORE ((const char *) -1)
+#define STRV_IGNORE ((const char *) POINTER_MAX)
static inline const char* STRV_IFNOTNULL(const char *x) {
return x ? x : STRV_IGNORE;
if (r == PAM_SUCCESS && json) {
/* We determined earlier that this is not a homed user? Then exit early. (We use -1 as
* negative cache indicator) */
- if (json == (void*) -1)
+ if (json == POINTER_MAX)
return PAM_USER_UNKNOWN;
} else {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
user_unknown:
/* Cache this, so that we don't check again */
- r = pam_set_data(handle, homed_field, (void*) -1, NULL);
+ r = pam_set_data(handle, homed_field, POINTER_MAX, NULL);
if (r != PAM_SUCCESS)
pam_syslog(handle, LOG_ERR, "Failed to set PAM user record data '%s' to invalid, ignoring: %s",
homed_field, pam_strerror(handle, r));
assert_se(value = json_variant_by_index(v, i+1));
for (p = table; p->name; p++)
- if (p->name == (const char*) -1 ||
+ if (p->name == POINTER_MAX ||
streq_ptr(json_variant_string(key), p->name))
break;