1 files changed, 111 insertions, 0 deletions
diff --git a/storage/maria/unittest/sequence_storage.c b/storage/maria/unittest/sequence_storage.c
new file mode 100644
index 00000000..1e6b3fcb
--- /dev/null
+++ b/storage/maria/unittest/sequence_storage.c
@@ -0,0 +1,111 @@
+/* Copyright (C) 2008 MySQL AB
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; version 2 of the License.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
+
+#include "../maria_def.h"
+#include "sequence_storage.h"
+
+
+/**
+  @brief Initializes the sequence from the sequence file.
+
+  @param seq             Reference on the sequence storage.
+  @param file            Path to the file where to write the sequence
+
+  @retval 0 OK
+  @retval 1 Error
+*/
+
+my_bool seq_storage_reader_init(SEQ_STORAGE *seq, const char *file)
+{
+  FILE *fd;
+  seq->pos= 0;
+  if ((fd= my_fopen(file, O_RDONLY, MYF(MY_WME))) == NULL)
+    return 1;
+  if (my_init_dynamic_array(PSI_NOT_INSTRUMENTED, &seq->seq, sizeof(ulong), 10,
+                            10, MYF(0)))
+    return 1;
+
+  for(;;)
+  {
+    ulong num;
+    char line[22];
+    if (fgets(line, sizeof(line), fd) == NULL)
+      break;
+    num= atol(line);
+    if (insert_dynamic(&seq->seq, (uchar*) &num))
+      return 1;
+  }
+  fclose(fd);
+  return 0;
+}
+
+
+/**
+  @brief Gets next number from the sequence storage
+
+  @param seq             Reference on the sequence storage.
+
+  @return Next number from the sequence.
+*/
+
+ulong seq_storage_next(SEQ_STORAGE *seq)
+{
+  DBUG_ASSERT(seq->seq.elements > 0);
+  DBUG_ASSERT(seq->pos < seq->seq.elements);
+  return (*(dynamic_element(&seq->seq, seq->pos++, ulong *)));
+}
+
+
+/**
+  @brief Frees resources allocated for the storage
+
+  @param seq             Reference on the sequence storage.
+*/
+
+void seq_storage_destroy(SEQ_STORAGE *seq)
+{
+  delete_dynamic(&seq->seq);
+}
+
+
+/**
+  @brief Starts the sequence from beginning
+
+  @param seq             Reference on the sequence storage.
+*/
+
+void seq_storage_rewind(SEQ_STORAGE *seq)
+{
+  seq->pos= 0;
+}
+
+/**
+  @brief Writes a number to the sequence file.
+
+  @param file            Path to the file where to write the sequence
+  @pagem num             Number to be written
+
+  @retval 0 OK
+  @retval 1 Error
+*/
+
+my_bool seq_storage_write(const char *file, ulong num)
+{
+  FILE *fd;
+  return  ((fd= my_fopen(file, O_CREAT | O_APPEND | O_WRONLY, MYF(MY_WME))) ==
+           NULL ||
+           fprintf(fd, "%lu\n", num) < 0 ||
+           fclose(fd) != 0);
+}