Fixed the value of map->p_fd_offset when a read() fails or is

abbreviated.

diff --git a/fileio.c b/fileio.c
index 1806209..bef7603 100644 (file)
--- a/fileio.c
+++ b/fileio.c
@@ -232,7 +232,6 @@ char *map_ptr(struct map_struct *map, OFF_T offset, int32 len)
                }
                map->p_fd_offset = read_start;
        }
-       map->p_fd_offset += read_size;
        map->p_offset = window_start;
        map->p_len = window_size;
 
@@ -246,6 +245,7 @@ char *map_ptr(struct map_struct *map, OFF_T offset, int32 len)
                        memset(map->p + read_offset, 0, read_size);
                        break;
                }
+               map->p_fd_offset += nread;
                read_offset += nread;
                read_size -= nread;
        }