add ftello regression test

diff --git a/src/regression/ftello-unflushed-append.c b/src/regression/ftello-unflushed-append.c
new file mode 100644 (file)
index 0000000..5473719
--- /dev/null
+++ b/src/regression/ftello-unflushed-append.c
@@ -0,0 +1,44 @@
+// commit 3af2edee150484940916eba1984f78c3b965dd05 2014-02-07
+// fix ftello result for append streams with unflushed output
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include "test.h"
+
+#define ASSERT(c) do { \
+       errno = 0; \
+       if (!(c)) \
+               t_error("%s failed (errno: %s)\n", #c, strerror(errno)); \
+} while(0)
+
+int main(void)
+{
+       char tmp[] = "/tmp/testsuite-XXXXXX";
+       int fd;
+       FILE *f;
+       off_t off;
+
+       ASSERT((fd = mkstemp(tmp)) > 2);
+       ASSERT(write(fd, "abcd", 4) == 4);
+       ASSERT(close(fd) == 0);
+
+       ASSERT((fd = open(tmp, O_WRONLY)) > 2);
+       ASSERT(f = fdopen(fd, "a"));
+       if (f) {
+               ASSERT(fwrite("efg", 1, 3, f) == 3);
+               ASSERT((off = ftello(f)) != -1);
+               if (off != 7)
+                       t_error("ftello is broken before flush: got %lld, want 7\n", (long long)off);
+               ASSERT(fflush(f) == 0);
+               ASSERT((off = ftello(f)) != -1);
+               if (off != 7)
+                       t_error("ftello is broken after flush: got %lld, want 7\n", (long long)off);
+               ASSERT(fclose(f) == 0);
+       }
+       if (fd > 2)
+               ASSERT(unlink(tmp) == 0);
+       return t_status;
+}