file loading works right now, added file printing

b_insert.c

@@ -0,0 +1,8 @@
+Row *
+b_insert(Row *r) {
+        Row *new = calloc(1, sizeof(Row));
+        new->n = r->n;
+        new->p = r;
+        r->n = new;
+	return new;
+}

c_open.c

@@ -1,24 +1,21 @@
 void
 c_open(char *file) {
-        file += 2;
+	FILE *f = fopen(file + 2, "r");
-        FILE *f = fopen(file, "r");                  
+	if(f == NULL) { puts("couldnt open file."); return; }
-        if (f == NULL) { 
-		puts("couldnt open file.");
-                return;
-        }        
 	b_truncate(buffer);
 	Row *row = buffer;
-        row->n = NULL;  
 	while (1) {
-                size_t red = fread(&row->text, 1, ROW_SIZE, f);
+		size_t red = 0;
-                if (red < ROW_SIZE) {
+		for (int i = 0; i < ROW_SIZE; i++) {
+			red = fread(&row->text[i], 1, 1, f);
+			if (red != 1) return;
+			if (row->text[i] == '\n') {
+				row->text[i] = 0;
 				break;
-                } else {  
-                        Row *new_row = calloc(1, sizeof(Row));
-                        new_row->p = row;
-                        row->n = new_row;
-                        row = new_row;
 			}
 		}
+		row = b_insert(row);
+	}
+	fclose(f);
 }
 

c_print.c

@@ -0,0 +1,11 @@
+void
+c_print(char *c) {
+        Row *row = buffer;
+        int line = 1;
+        for (;; line++) {
+                printf("%4.4i| %s\n", line, row->text);                    
+                if (row->n == NULL) break;
+                row = row -> n;
+        }
+}
+

commands.c

@@ -2,3 +2,4 @@ void (*commands[256])(char *) = {
 NULL,
 ['q'] = c_quit,
 ['O'] = c_open,
+['P'] = c_print,

efn.c

@@ -15,3 +15,5 @@
 #include "c_open.c"
 
 #include "b_truncate.c"
+#include "c_print.c"
+#include "b_insert.c"

efn.h

@@ -8,3 +8,5 @@ void c_quit(char *);
 void c_open(char *);
 #include <string.h>
 void b_truncate(Row *);
+void c_print(char *);
+Row *b_insert(Row *);