can now save to file

c_save.c

@@ -0,0 +1,17 @@
+void
+c_save(char *file) {
+        FILE *f = fopen(file + 2, "w");
+        if(f == NULL) { puts("couldnt open file."); return; }
+        Row *row = buffer;
+        while (1) {
+                for(int i = 0; i < ROW_SIZE; i++) {
+                        if (row->text[i] == '\0' || row->text[i] == '\n')
+                                break;
+                        fwrite(&row->text[i], 1, 1, f);
+                }
+                fwrite("\n", 1, 1, f);
+                if (row->n == NULL) break;
+                row = row->n;
+        }
+}
+

commands.c

@@ -6,3 +6,4 @@ NULL,
 ['w'] = c_writeline,
 ['q'] = NULL,
 ['Q'] = c_quit,
+['S'] = c_save,

efn.c

@@ -20,3 +20,4 @@
 #include "c_writeline.c"
 #include "b_getline.c"
 
+#include "c_save.c"

efn.h

@@ -12,3 +12,4 @@ void c_print(char *);
 Row *b_insert(Row *);
 Row *b_getline(Row *, int);
 void c_writeline(char *);
+void c_save(char*);