summaryrefslogtreecommitdiff
path: root/test/unistd/tst-posix_fallocate.c
diff options
context:
space:
mode:
Diffstat (limited to 'test/unistd/tst-posix_fallocate.c')
-rw-r--r--test/unistd/tst-posix_fallocate.c127
1 files changed, 127 insertions, 0 deletions
diff --git a/test/unistd/tst-posix_fallocate.c b/test/unistd/tst-posix_fallocate.c
new file mode 100644
index 000000000..d41c604e8
--- /dev/null
+++ b/test/unistd/tst-posix_fallocate.c
@@ -0,0 +1,127 @@
+#include <fcntl.h>
+#include <sys/stat.h>
+
+#ifndef TST_POSIX_FALLOCATE64
+# define stat64 stat
+# define fstat64 fstat
+# else
+# ifndef O_LARGEFILE
+# error no O_LARGEFILE but you want to test with LFS enabled
+# endif
+#endif
+
+static void do_prepare (void);
+#define PREPARE(argc, argv) do_prepare ()
+static int do_test (void);
+#define TEST_FUNCTION do_test ()
+#include <test-skeleton.c>
+
+static int fd;
+static void
+do_prepare (void)
+{
+ fd = create_temp_file ("tst-posix_fallocate.", NULL);
+ if (fd == -1)
+ {
+ printf ("cannot create temporary file: %m\n");
+ exit (1);
+ }
+}
+
+
+static int
+do_test (void)
+{
+ struct stat64 st;
+
+ if (fstat64 (fd, &st) != 0)
+ {
+ puts ("1st fstat failed");
+ return 1;
+ }
+
+ if (st.st_size != 0)
+ {
+ puts ("file not created with size 0");
+ return 1;
+ }
+
+ if (posix_fallocate (fd, 512, 768) != 0)
+ {
+ puts ("1st posix_fallocate call failed");
+ return 1;
+ }
+
+ if (fstat64 (fd, &st) != 0)
+ {
+ puts ("2nd fstat failed");
+ return 1;
+ }
+
+ if (st.st_size != 512 + 768)
+ {
+ printf ("file size after 1st posix_fallocate call is %llu, expected %u\n",
+ (unsigned long long int) st.st_size, 512u + 768u);
+ return 1;
+ }
+
+ if (posix_fallocate (fd, 0, 1024) != 0)
+ {
+ puts ("2nd posix_fallocate call failed");
+ return 1;
+ }
+
+ if (fstat64 (fd, &st) != 0)
+ {
+ puts ("3rd fstat failed");
+ return 1;
+ }
+
+ if (st.st_size != 512 + 768)
+ {
+ puts ("file size changed in 2nd posix_fallocate");
+ return 1;
+ }
+
+ if (posix_fallocate (fd, 2048, 64) != 0)
+ {
+ puts ("3rd posix_fallocate call failed");
+ return 1;
+ }
+
+ if (fstat64 (fd, &st) != 0)
+ {
+ puts ("4th fstat failed");
+ return 1;
+ }
+
+ if (st.st_size != 2048 + 64)
+ {
+ printf ("file size after 3rd posix_fallocate call is %llu, expected %u\n",
+ (unsigned long long int) st.st_size, 2048u + 64u);
+ return 1;
+ }
+#ifdef TST_POSIX_FALLOCATE64
+ if (posix_fallocate64 (fd, 4097ULL, 4294967295ULL + 2ULL) != 0)
+ {
+ puts ("4th posix_fallocate call failed");
+ return 1;
+ }
+
+ if (fstat64 (fd, &st) != 0)
+ {
+ puts ("5th fstat failed");
+ return 1;
+ }
+
+ if (st.st_size != 4097ULL + 4294967295ULL + 2ULL)
+ {
+ printf ("file size after 4th posix_fallocate call is %llu, expected %llu\n",
+ (unsigned long long int) st.st_size, 4097ULL + 4294967295ULL + 2ULL);
+ return 1;
+ }
+#endif
+ close (fd);
+
+ return 0;
+}