Add struct size constantsdevelopment

1 files changed, 5 insertions, 0 deletions

diff --git a/src/zip/structs.rs b/src/zip/structs.rs
index 4b4524f..ccd5687 100644
--- a/src/zip/structs.rs
+++ b/src/zip/structs.rs
@@ -2,8 +2,10 @@ use crate::structs::{ByteOrder, Settings, StructResult, VariantIndexType};
 use serde::{Deserialize, Serialize};
 
 pub const FILE_HEADER_SIGNATURE: [u8; 4] = [0x50, 0x4b, 0x03, 0x04];
+pub const FILE_HEADER_SIZE: usize = 30;
 
 pub const EOCDR_SIGNATURE: [u8; 4] = [0x50, 0x4b, 0x05, 0x06];
+pub const EOCDR_SIZE: usize = 22;
 #[derive(Serialize, Deserialize)]
 pub struct Eocdr {
     pub eocdr_disk: u16,
@@ -16,6 +18,7 @@ pub struct Eocdr {
 }
 
 pub const EOCDR64_LOCATOR_SIGNATURE: [u8; 4] = [0x50, 0x4b, 0x06, 0x07];
+pub const EOCDR64_LOCATOR_SIZE: usize = 20;
 #[derive(Serialize, Deserialize)]
 pub struct Eocdr64Locator {
     pub eocdr64_disk: u32,
@@ -24,6 +27,7 @@ pub struct Eocdr64Locator {
 }
 
 pub const EOCDR64_SIGNATURE: [u8; 4] = [0x50, 0x4b, 0x06, 0x06];
+pub const EOCDR64_SIZE: usize = 56;
 #[derive(Serialize, Deserialize)]
 pub struct Eocdr64 {
     pub eocdr64_size: u64,
@@ -38,6 +42,7 @@ pub struct Eocdr64 {
 }
 
 pub const CDR_SIGNATURE: [u8; 4] = [0x50, 0x4b, 0x01, 0x02];
+pub const CDR_SIZE: usize = 46;
 #[derive(Serialize, Deserialize)]
 pub struct Cdr {
     pub version: u16,