Prevent duplicate entries from archive

Author: dreamer-coding

code/logic/archive.c

@@ -331,18 +331,33 @@ fossil_io_archive_t* fossil_io_archive_create(const char *path, fossil_io_archiv
 bool fossil_io_archive_get_stats(fossil_io_archive_t *archive, fossil_io_archive_stats_t *stats) {
     if (!archive || !stats) return false;
 
-    stats->total_entries = archive->entry_count;
+    stats->total_entries = 0;
     stats->total_size = 0;
     stats->compressed_size = 0;
-    
+
     for (size_t i = 0; i < archive->entry_count; i++) {
-        stats->total_size += archive->entries[i].size;
-        stats->compressed_size += archive->entries[i].compressed_size;
+        const fossil_io_archive_entry_t *entry = &archive->entries[i];
+        bool duplicate = false;
+
+        // Check if we've seen this entry name before
+        for (size_t j = 0; j < i; j++) {
+            if (strcmp(archive->entries[j].name, entry->name) == 0) {
+                duplicate = true;
+                break;
+            }
+        }
+
+        if (duplicate) continue;
+
+        stats->total_entries++;
+        stats->total_size += entry->size;
+        stats->compressed_size += entry->compressed_size;
     }
-    
-    stats->compression_ratio = stats->total_size > 0 ? 
+
+    stats->compression_ratio = 
+        stats->total_size > 0 ? 
         (double)stats->compressed_size / stats->total_size : 0.0;
-    
+
     return true;
 }