+static bool test_capability(const char *parameter) {
+ cap_value_t value;
+ FILE *f;
+ char line[LINE_MAX];
+ unsigned long long capabilities = (unsigned long long) -1;
+
+ /* If it's an invalid capability, we don't have it */
+
+ if (cap_from_name(parameter, &value) < 0)
+ return false;
+
+ /* If it's a valid capability we default to assume
+ * that we have it */
+
+ f = fopen("/proc/self/status", "re");
+ if (!f)
+ return true;
+
+ while (fgets(line, sizeof(line), f)) {
+ truncate_nl(line);
+
+ if (startswith(line, "CapBnd:")) {
+ (void) sscanf(line+7, "%llx", &capabilities);
+ break;
+ }
+ }
+
+ fclose(f);
+
+ return !!(capabilities & (1ULL << value));
+}
+