summaryrefslogtreecommitdiffstats
path: root/tests/ftruncate.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 17:20:00 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 17:20:00 +0000
commit8daa83a594a2e98f39d764422bfbdbc62c9efd44 (patch)
tree4099e8021376c7d8c05bdf8503093d80e9c7bad0 /tests/ftruncate.c
parentInitial commit. (diff)
downloadsamba-8daa83a594a2e98f39d764422bfbdbc62c9efd44.tar.xz
samba-8daa83a594a2e98f39d764422bfbdbc62c9efd44.zip
Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ftruncate.c')
-rw-r--r--tests/ftruncate.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/tests/ftruncate.c b/tests/ftruncate.c
new file mode 100644
index 0000000..4612376
--- /dev/null
+++ b/tests/ftruncate.c
@@ -0,0 +1,31 @@
+/* test whether ftruncte() can extend a file */
+
+#if defined(HAVE_UNISTD_H)
+#include <unistd.h>
+#endif
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#define DATA "conftest.trunc"
+#define LEN 7663
+
+int main(void)
+{
+ int *buf;
+ int fd = open(DATA,O_RDWR|O_CREAT|O_TRUNC,0666);
+
+ if (fd == -1) {
+ exit(1);
+ }
+
+ ftruncate(fd, LEN);
+
+ unlink(DATA);
+
+ if (lseek(fd, 0, SEEK_END) == LEN) {
+ exit(0);
+ }
+ exit(1);
+}