Feature: large file support (thanks Scott Schwartz, Chris

  Siebenmann).

1 files changed, 23 insertions, 0 deletions

diff --git a/tripping.c b/tripping.c
index aff7927..a9099ce 100644
--- a/tripping.c
+++ b/tripping.c
@@ -1,7 +1,12 @@
 /* This is an auxiliary test program for rc.  */
 
+#include "config.h"
+
 #include <fcntl.h>
 #include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <unistd.h>
 
 static void out0(void) {
 	putchar('t'); putchar('r');
@@ -14,6 +19,21 @@ static void ctrl_a(void) {
 	puts("a\001ab\002b");
 }
 
+static void large(void) {
+	char c = 'c';
+
+#define LARGE (((off_t)1<<33)+1)
+
+	if (lseek(1, LARGE, SEEK_SET) != LARGE) {
+		perror("lseek");
+		exit(1);
+	}
+	if (write(1, &c, 1) == -1) {
+		perror("write");
+		exit(1);
+	}
+}
+
 static void makenonblock(void) {
 	int flags;
 
@@ -32,6 +52,9 @@ int main(int argc, char **argv) {
 	case 'a':
 		ctrl_a();
 		break;
+	case 'l':
+		large();
+		break;
 	case 'n':
 		makenonblock();
 		break;