Fixed

Cargo.lock

@@ -4,4 +4,4 @@ version = 3
 
 [[package]]
 name = "pngrip"
-version = "0.1.0"
+version = "0.1.1"

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "pngrip"
-version = "0.1.0"
+version = "0.1.1"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

src/main.rs

@@ -58,10 +58,13 @@ fn rip_png(path: &Path, destination: &Path) {
     let mut start_pos: usize = 0;
     let mut last_pos: usize = 0;
     let mut end_pos: usize = 0;
-    for i in 0..file_bytes.len()-png_identifier.len() {
+    for i in 0..file_bytes.len()-iend_identifier.len() {
+        if i < file_bytes.len() - png_identifier.len() {
             if file_bytes[i..i + png_identifier.len()] == png_identifier {
                 start_pos = i;
             }
+        }
+
 
         if file_bytes[i..i + iend_identifier.len()] == iend_identifier {
             end_pos = i + iend_identifier.len();
@@ -70,7 +73,6 @@ fn rip_png(path: &Path, destination: &Path) {
         if start_pos < end_pos && start_pos != last_pos {
             last_pos = start_pos;
             image_count += 1;
-            // println!("[INFO] Found PNG at {}->{} ({} bytes)", start_pos, end_pos, end_pos - start_pos);
 
             let mut ripped_image_file;
             let ripped_image_filename = format!("{}_{}.png", filename, image_count);
@@ -94,7 +96,6 @@ fn rip_png(path: &Path, destination: &Path) {
         }
     }
 
-
     println!("[INFO] Ripped {} images from \"{}\" in total", image_count, filename);
 }