X-Git-Url: https://pd.if.org/git/?p=startuptools;a=blobdiff_plain;f=exec.c;h=bd07905b57dfad9eea220d09565a4ed0fcde053f;hp=94f319f27920e00ae41ea18631b3115c4e076ac2;hb=HEAD;hpb=11c12539d9ee64b816ad2e734b499d7ce1e83ac9

diff --git a/exec.c b/exec.c
index 94f319f..bd07905 100644
--- a/exec.c
+++ b/exec.c
@@ -12,9 +12,14 @@
 
 #include <unistd.h>
 
-void do_exec(int skip, int ac, char *av[]) {
+static void do_exec(int skip, int ac, char *av[]) {
 	int i;
 
+	if (skip >= ac) {
+		fprintf(stderr, "nothing to exec\n");
+		exit(EXIT_FAILURE);
+	}
+
 	for (i=0;i<ac-skip;i++) {
 		av[i] = av[i+skip];
 	}