Latest changes from me. Over to you Paul...

1 files changed, 77 insertions, 0 deletions

diff --git a/sbin/sysinstall/exec.c b/sbin/sysinstall/exec.c
new file mode 100644
index 000000000000..8f8889d42e2c
--- /dev/null
+++ b/sbin/sysinstall/exec.c
@@ -0,0 +1,77 @@
+/*
+ * ----------------------------------------------------------------------------
+ * "THE BEER-WARE LICENSE" (Revision 42):
+ * <phk@login.dkuug.dk> wrote this file.  As long as you retain this notice you
+ * can do whatever you want with this stuff. If we meet some day, and you think
+ * this stuff is worth it, you can buy me a beer in return.   Poul-Henning Kamp
+ * ----------------------------------------------------------------------------
+ *
+ * $Id: utils.c,v 1.4 1994/10/20 19:30:56 ache Exp $
+ *
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <unistd.h>
+#include <string.h>
+#include <dialog.h>
+#include <errno.h>
+#include <fcntl.h>
+
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <sys/param.h>
+#include <sys/mount.h>
+
+#include "sysinstall.h"
+
+int
+exec(int magic, char *cmd, char *args, ...)
+{
+	int pid, w, status;
+	char *argv[EXEC_MAXARG];
+	int arg = 0;
+	int no_args = 0;
+	va_list ap;
+	struct stat dummy;
+	int i;
+
+	if (stat(cmd, &dummy) == -1) {
+		sprintf(errmsg, "Executable %s does not exist\n", cmd);
+		return(-1);
+	}
+
+	va_start(ap, args);
+	argv[arg++] = (char *)args;
+	do {
+		if (arg >= EXEC_MAXARG) 
+			Fatal("Too many arguments");
+	} while ((argv[arg++] = va_arg(ap, char *)));
+	va_end(ap);
+
+	if ((pid = fork()) == 0) {
+		switch (magic) {
+		case 1:
+			close(0);
+			i = open("/file.list",O_RDONLY);
+			if (i != 0) {
+				perror("/etc/file.list");
+				exit(2);
+			}
+			break;
+		default:
+			break;
+		}
+		execv(cmd, argv);
+		exit(1);
+	}
+	
+	while ((w = wait(&status)) != pid && w != -1)
+		;
+
+	if (w == -1)
+		Fatal("Child process %s terminated abnormally\n", cmd);
+	return(status);
+}