1 files changed, 64 insertions, 0 deletions
diff --git a/depends/libcap/libcap/execable.c b/depends/libcap/libcap/execable.c
new file mode 100644
index 0000000..9f7062e
--- /dev/null
+++ b/depends/libcap/libcap/execable.c
@@ -0,0 +1,64 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/capability.h>
+
+#include "execable.h"
+
+static void usage(int status)
+{
+    printf("\nusage: libcap.so [--help|--usage|--summary]\n");
+    exit(status);
+}
+
+static void summary(void)
+{
+    cap_value_t bits = cap_max_bits(), c;
+    cap_mode_t mode = cap_get_mode();
+
+    printf("\nCurrent mode: %s\n", cap_mode_name(mode));
+    printf("Number of cap values known to: this libcap=%d, running kernel=%d\n",
+	   CAP_LAST_CAP+1, bits);
+
+    if (bits > CAP_LAST_CAP+1) {
+	printf("=> Consider upgrading libcap to name:");
+	for (c = CAP_LAST_CAP+1; c < bits; c++) {
+	    printf(" %d", c);
+	}
+    } else if (bits < CAP_LAST_CAP+1) {
+	printf("=> Newer kernels also provide support for:");
+	for (c = bits; c <= CAP_LAST_CAP; c++) {
+	    char *name = cap_to_name(c);
+	    printf(" %s", name);
+	    cap_free(name);
+	}
+    } else {
+	return;
+    }
+    printf("\n");
+}
+
+SO_MAIN(int argc, char **argv)
+{
+    int i;
+    const char *cmd = "This library";
+
+    if (argv != NULL && argv[0] != NULL) {
+	cmd = argv[0];
+    }
+    printf("%s is the shared library version: " LIBRARY_VERSION ".\n"
+	   "See the License file for distribution information.\n"
+	   "More information on this library is available from:\n"
+	   "\n"
+	   "    https://sites.google.com/site/fullycapable/\n", cmd);
+
+    for (i = 1; i < argc; i++) {
+	if (!strcmp(argv[i], "--usage") || !strcmp(argv[i], "--help")) {
+	    usage(0);
+	}
+	if (!strcmp(argv[i], "--summary")) {
+	    summary();
+	    continue;
+	}
+	usage(1);
+    }
+}