Print explicit MuPDF Fitz error

baskerville · Sep 7, 2024 · 13de4b7 · 13de4b7
1 parent a6bf892
commit 13de4b7
Showing 1 changed file with 10 additions and 1 deletion.
diff --git a/crates/core/src/document/pdf.rs b/crates/core/src/document/pdf.rs
@@ -166,7 +166,16 @@ impl Document for PdfDocument {
     }
 
     fn pages_count(&self) -> usize {
-        unsafe { mp_count_pages(self.ctx.0, self.doc) as usize }
+        unsafe {
+            let page_count: i32 = mp_count_pages(self.ctx.0, self.doc);
+
+            if page_count <= 0 {
+                eprintln!("Error: MuPDF Fitz count_pages function returned {}.", page_count);
+                return 0;
+            }
+
+            return page_count as usize;
+        }
     }
 
     fn resolve_location(&mut self, loc: Location) -> Option<usize> {