1 files changed, 129 insertions, 0 deletions
diff --git a/sbin/sysinstall/utils.c b/sbin/sysinstall/utils.c
index 24bd0ada9ae9..4f441ecd4713 100644
--- a/sbin/sysinstall/utils.c
+++ b/sbin/sysinstall/utils.c
@@ -13,8 +13,17 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <stdarg.h>
+#include <unistd.h>
+#include <string.h>
 #include <dialog.h>
 #include <ncurses.h>
+#include <errno.h>
+
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <sys/param.h>
+#include <sys/mount.h>
 
 #include "sysinstall.h"
 
@@ -28,6 +37,37 @@ TellEm(char *fmt, ...)
 	vsnprintf(p, 2048, fmt, ap);
 	va_end(ap);
 	dialog_msgbox("Progress", p, 3, 75, 0);
+	free(p);
+}
+
+void
+Fatal(char *fmt, ...)
+{
+	char *p;
+	va_list ap;
+	p = Malloc(2048);
+	va_start(ap,fmt);
+	vsnprintf(p, 2048, fmt, ap);
+	va_end(ap);
+	dialog_msgbox("Fatal", p, 12, 75, 1);
+	free(p);
+	exit(7);
+}
+
+int
+AskAbort(char *fmt, ...)
+{
+	char *p;
+	va_list ap;
+	int i;
+
+	p = Malloc(2048);
+	va_start(ap,fmt);
+	vsnprintf(p, 2048, fmt, ap);
+	va_end(ap);
+	i = dialog_yesno("Abort", p, 12, 75);
+	free(p);
+	return i;
 }
 
 void *
@@ -39,3 +79,92 @@ Malloc(size_t size)
 	}
 	return p;
 }
+
+char *
+StrAlloc(char *str) 
+{
+	char *p;
+
+	p = (char *)Malloc(strlen(str) + 1);
+	strcpy(p,str);
+	return p;
+}
+
+int
+exec(char *cmd, char *args, ...)
+{
+	int pid, w, status;
+	char **argv = NULL;
+	int arg = 0;
+	int no_args = 0;
+	va_list ap;
+	struct stat dummy;
+
+	if (stat(cmd, &dummy) == -1) {
+		sprintf(errmsg, "Executable %s does not exist\n", cmd);
+		return(-1);
+	}
+
+	va_start(ap, args);
+	do {
+		if (arg == no_args) {
+			no_args += 10;
+			if (!(argv = realloc(argv, no_args * sizeof(char *)))) {
+				sprintf(errmsg, "Failed to allocate memory during exec of %s\n", cmd);
+				return(-1);
+			}
+			if (arg == 0)
+				argv[arg++] = (char *)args;
+		}
+	} while ((argv[arg++] = va_arg(ap, char *)));
+	va_end(ap);
+
+	if ((pid = fork()) == 0) {
+		execv(cmd, argv);
+		exit(1);
+	}
+	
+	while ((w = wait(&status)) != pid && w != -1)
+		;
+
+	free(argv);
+	if (w == -1) {
+		sprintf(errmsg, "Child process %s terminated abnormally\n", cmd);
+		return(-1);
+	}
+
+	return(0);
+}
+
+void
+MountUfs(char *device, char *prefix, char *mountpoint, int do_mkdir)
+{
+	struct ufs_args ufsargs;
+	char dbuf[90];
+	char pbuf[90];
+
+	if (prefix)
+		strcpy(pbuf,prefix);
+	else
+		strcpy(pbuf,"");
+
+	strcat(pbuf,mountpoint);
+
+	if(do_mkdir && access(pbuf,R_OK)) {
+		TellEm("mkdir %s",pbuf); 
+		if (mkdir(pbuf,S_IRWXU) == -1) {
+			Fatal("Couldn't create directory %s: %s\n",
+				pbuf,strerror(errno));
+		}
+	}
+
+	strcpy(dbuf,"/dev/");
+	strcat(dbuf,device);
+	
+	TellEm("mount /dev/%s /mnt%s",dbuf,pbuf); 
+	ufsargs.fspec = dbuf;
+	if (mount(MOUNT_UFS,pbuf, 0, (caddr_t) &ufsargs) == -1) {
+		Fatal("Error mounting %s on : %s\n",
+			dbuf, pbuf, strerror(errno));
+	}
+}