Fix bug for the huge(>2GB) database

Author: RingoD

repair/sqliterk_os.c

@@ -131,7 +131,7 @@ int sqliterkOSRead(sqliterk_file *file,
     return SQLITERK_OK;
 }
 
-int sqliterkOSFileSize(sqliterk_file *file, int *filesize)
+int sqliterkOSFileSize(sqliterk_file *file, size_t *filesize)
 {
     if (!file || file->fd < 0) {
         return SQLITERK_MISUSE;
@@ -141,7 +141,7 @@ int sqliterkOSFileSize(sqliterk_file *file, int *filesize)
         file->error = errno;
         return SQLITERK_IOERR;
     }
-    *filesize = (int) statbuf.st_size;
+    *filesize = (size_t) statbuf.st_size;
     return SQLITERK_OK;
 }
 

repair/sqliterk_os.h

@@ -55,7 +55,7 @@ int sqliterkOSRead(sqliterk_file *file,
                    off_t offset,
                    unsigned char *data,
                    size_t *size);
-int sqliterkOSFileSize(sqliterk_file *file, int *filesize);
+int sqliterkOSFileSize(sqliterk_file *file, size_t *filesize);
 const char *sqliterkOSGetFilePath(sqliterk_file *file);
 
 #endif /* sqliterk_os_h */

repair/sqliterk_pager.c

@@ -247,15 +247,16 @@ static int sqliterkPagerParseHeader(sqliterk_pager *pager, int forcePageSize)
     }
 
     // Assign page count
-    int filesize;
+    size_t filesize;
     rc = sqliterkOSFileSize(pager->file, &filesize);
     if (rc != SQLITERK_OK) {
         sqliterkOSError(rc, "Failed to get size of file '%s': %s",
                         sqliterkOSGetFilePath(pager->file), strerror(errno));
         goto sqliterkPagerParseHeader_End;
     }
 
-    pager->pagecount = (filesize + pager->pagesize - 1) / pager->pagesize;
+    pager->pagecount =
+        (int) ((filesize + pager->pagesize - 1) / pager->pagesize);
     if (pager->pagecount < 1) {
         rc = SQLITERK_DAMAGED;
         sqliterkOSError(rc, "File truncated.");
@@ -602,4 +603,4 @@ unsigned int sqliterkPagerGetIntegrity(sqliterk_pager *pager)
         return 0;
     }
     return pager->integrity;
-}
+}