Small changes

1 files changed, 14 insertions, 18 deletions

diff --git a/src/graph.c b/src/graph.c
index 44ce400..8c19a19 100644
--- a/src/graph.c
+++ b/src/graph.c
@@ -20,7 +20,7 @@ Graph *graph_new(int n) {
 
     graph->num_edges = 0;
     graph->num_vertices = n;
-    
+
     for (int i = 0; i < n; i++) {
         graph->vertices[i].id = i;
         graph->vertices[i].out_neighbours = vector_new();
@@ -47,46 +47,42 @@ Graph *graph_read(const char *filename) {
     FILE *file = fopen(filename, "r");
     if (!file)
         return NULL;
-    
-    char line[1024];
+
+    char line[4096];
+
     if (!fgets(line, sizeof(line), file)) {
         fclose(file);
         return NULL;
     }
-    
+
     int n = atoi(line);
     if (n <= 0) {
         fclose(file);
         return NULL;
     }
-    
+
     Graph *g = graph_new(n);
     if (!g) {
         fclose(file);
         return NULL;
     }
-    
-    for (int i = 0; i < n; i++) {
+
+    for (int row = 0; row < n; row++) {
         if (!fgets(line, sizeof(line), file)) {
-            fprintf(stderr, "Error: Could not read row %d\n", i);
             fclose(file);
             return g;
         }
-        
-        int j = 0;
+
         int col = 0;
-        while (col < n && line[j] != '\0' && line[j] != '\n') {
-            if (line[j] == '1') {
-                graph_add_edge(g, i, col);
-                col++;
-            } else if (line[j] == '0') {
+        for (int i = 0; line[i] != EOF && line[i] != '\n'; i++) {
+            if (line[i] == '0' || line[i] == '1') {
+                if (line[i] == '1')
+                    graph_add_edge(g, row, col);
                 col++;
             }
-            // skip any other characters
-            j++;
         }
     }
-    
+
     fclose(file);
     return g;
 }