va_list aq;
/* As a special trick we ignore all listed strings that equal
- * (const char*) -1. This is supposed to be used with the
+ * STRV_IGNORE. This is supposed to be used with the
* STRV_IFNOTNULL() macro to include possibly NULL strings in
* the string list. */
if (x) {
- n = x == (const char*) -1 ? 0 : 1;
+ n = x == STRV_IGNORE ? 0 : 1;
va_copy(aq, ap);
while ((s = va_arg(aq, const char*))) {
- if (s == (const char*) -1)
+ if (s == STRV_IGNORE)
continue;
n++;
return NULL;
if (x) {
- if (x != (const char*) -1) {
+ if (x != STRV_IGNORE) {
a[i] = strdup(x);
if (!a[i])
goto fail;
while ((s = va_arg(ap, const char*))) {
- if (s == (const char*) -1)
+ if (s == STRV_IGNORE)
continue;
a[i] = strdup(s);
char **strv_new(const char *x, ...) _sentinel_;
char **strv_new_ap(const char *x, va_list ap);
+#define STRV_IGNORE ((const char *) -1)
+
static inline const char* STRV_IFNOTNULL(const char *x) {
- return x ? x : (const char *) -1;
+ return x ? x : STRV_IGNORE;
}
static inline bool strv_isempty(char * const *l) {