added musuid

clean.sh

@@ -1,3 +1,3 @@
 #!/bin/sh
 
-rm -f obj/* bin/* mutils.c mutils
+rm -f obj/* bin/* mutils.c mutils musuid

configs/config.h

@@ -4,6 +4,10 @@
 /* (cat tee wc xargs rev split cp) text buffer */
 #define BUF_SIZE 32000
 
+#ifdef _MUSUID_C
+	#define MUTILS_PATH "/bin/mutils"
+#endif
+
 #ifdef _SHRED_C
 	/* source of random (shred) */
 	#define RAND_SOURCE "/dev/urandom"

libmu/mode_to_str.c

@@ -51,4 +51,3 @@ char *mu_mode_2_str(mode_t file_mode) {
 
 	return mode;
 }
-

scripts/build-box.sh

@@ -42,3 +42,4 @@ int main(int argc, char **argv) {
 EOF
 
 echo $CFLAGS | xargs $CC -Iconfigs -Ilibmu mutils.c obj/*.o bin/*.c -o mutils
+echo $CFLAGS | xargs $CC -Iconfigs scripts/musuid.c -o musuid

scripts/musuid.c

@@ -0,0 +1,27 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#define _MUSUID_C
+#include "config.h"
+
+const char *progs[] = {"su", "ping"};
+
+int main(int argc, char **argv) {
+	if (argc == 1) {
+		fputs("musuid: missing operand\n", stderr);
+		return 1;
+	}
+
+	argc--;
+	argv++;
+
+	/* RUN */
+	for (size_t i = 0; i < sizeof(progs) / sizeof(char *); i++)
+		if (!strcmp(argv[0], progs[i]))
+			execv(MUTILS_PATH, argv);
+
+	fprintf(stderr, "musuid: unknown command: %s\n", argv[0]);
+	return 1;
+}