b_getline.c

@@ -0,0 +1,8 @@
+Row *
+b_getline(Row *r, int l) {
+
+	if (l == 1) return r;
+	if (r->n == NULL) return NULL;
+	return b_getline(r->n, l - 1);
+}
+

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;
+}

b_truncate.c

@@ -0,0 +1,10 @@
+void
+b_truncate(Row *row) {
+        Row *n = row->n;
+	row->n = NULL;
+        if (n != NULL) {
+                b_truncate(n);
+                free(n);
+        }
+}
+

buffer.c

@@ -1,27 +0,0 @@
-Row *
-b_getline(Row *r, int l) {
-	if (l == 1) return r;
-	if (r->n == NULL) return NULL;
-	return b_getline(r->n, l - 1);
-}
-
-Row *
-b_insert(Row *r) {
-        Row *new = calloc(1, sizeof(Row));
-        new->n = r->n;
-        new->p = r;
-        r->n = new;
-	return new;
-}
-
-void
-b_truncate(Row *row) {
-        Row *n = row->n;
-	row->n = NULL;
-        if (n != NULL) {
-                b_truncate(n);
-                free(n);
-        }
-}
-
-

c_clipboard.c

@@ -1,5 +1,5 @@
 void
-c_copy(char *c, char **argv) {
+c_copy(char *c) {
 	c += 2;
 	int start = atoi(c);
 	for(; *c != '\0' && *c != ' '; c++);
@@ -23,7 +23,7 @@ c_copy(char *c, char **argv) {
 }
 
 void
-c_paste(char *c, char **argv) {
+c_paste(char *c) {
 	Row *line = b_getline(buffer, atoi(c + 2));
 	if (line == NULL) {puts("invalid line."); return; }
 	if (clipboard == NULL) {puts("empty clipboard"); return; }
@@ -33,4 +33,3 @@ c_paste(char *c, char **argv) {
 	}
 }
 
-

c_delete.c

@@ -1,5 +1,5 @@
 void
-c_delete(char *c, char **argv) {
+c_delete(char *c) {
 	Row *line = b_getline(buffer, atoi(c + 2));
 	Row *prev_line = b_getline(buffer, atoi(c + 2) - 1);
 	if (line == NULL || prev_line == NULL) {puts ("invalid line"); return; }
@@ -10,4 +10,3 @@ c_delete(char *c, char **argv) {
 }
 
 
-

c_indent.c

@@ -1,5 +1,5 @@
 void
-c_indent(char *c, char **argv) {
+c_indent(char *c) {
 	Row *row = b_getline(buffer, atoi(c + 2));
 	if (row == NULL) { puts ("invalid line"); return; }
 
@@ -11,7 +11,7 @@ c_indent(char *c, char **argv) {
 }
 
 void
-c_unindent(char *c, char **argv) {
+c_unindent(char *c) {
 	Row *row = b_getline(buffer, atoi(c + 2));
 	if (row == NULL) { puts ("invalid line"); return; }
 
@@ -22,4 +22,3 @@ c_unindent(char *c, char **argv) {
 }
 
 
-

c_insertline.c

@@ -1,5 +1,5 @@
 void
-c_insertline(char *c, char **argv) {
+c_insertline(char *c) {
         c += 2;
         int line = atoi(c);
         for(; *c != 0 && *c != ' '; c++);
@@ -20,4 +20,3 @@ c_insertline(char *c, char **argv) {
                 r->text[i] = 0;
         }
 }
-

c_open.c

@@ -0,0 +1,21 @@
+void
+c_open(char *file) {
+	FILE *f = fopen(file + 2, "r");
+	if(f == NULL) { puts("couldnt open file."); return; }
+	b_truncate(buffer);
+	Row *row = buffer;
+	while (1) {
+		size_t red = 0;
+		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;
+			}
+		}
+		row = b_insert(row);
+	}
+	fclose(f);
+}
+

c_print.c

@@ -8,16 +8,13 @@ else printf("%c", row->text[i]);
 }
 
 void
-c_print(char *c, char **argv) {
+c_print(char *c) {
         Row *row = buffer;
         int line = 1;
-	if (atoi(c + 2) != 0) line = atoi(c + 2);
-	row = b_getline(buffer, line);
-	if (row == NULL) {puts("invalid line."); return;}
         for (;; line++) {
-		printf("%3.i| ", line);
-		print_with_fixed_tabs(row);
-		puts("");
+printf("%3.i| ", line);
+print_with_fixed_tabs(row);
+puts("");
                 if (row->n == NULL) break;
                 row = row -> n;
         }
@@ -27,5 +24,3 @@ c_print(char *c, char **argv) {
 
 
 
-
-

c_quit.c

@@ -1,6 +1,5 @@
 void
-c_quit(char *b, char **argv) {
+c_quit(char *b) {
 	exit(0);
 }
 
-

c_save.c

@@ -1,26 +1,5 @@
 void
-c_open(char *file, char **argv) {
-	FILE *f = fopen(file + 2, "r");
-	if(f == NULL) { puts("couldnt open file."); return; }
-	b_truncate(buffer);
-	Row *row = buffer;
-	while (1) {
-		size_t red = 0;
-		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;
-			}
-		}
-		row = b_insert(row);
-	}
-	fclose(f);
-}
-
-void
-c_save(char *file, char **argv) {
+c_save(char *file) {
         FILE *f = fopen(file + 2, "w");
         if(f == NULL) { puts("couldnt open file."); return; }
         Row *row = buffer;
@@ -36,5 +15,3 @@ c_save(char *file, char **argv) {
         }
 }
 
-
-

c_writeline.c

@@ -1,5 +1,5 @@
 void
-c_writeline(char *c, char **argv) {
+c_writeline(char *c) {
         c += 2;
         int line = atoi(c);
         for(; *c != 0 && *c != ' '; c++);
@@ -17,4 +17,3 @@ c_writeline(char *c, char **argv) {
 		r->text[i] = 0;
 	}
 }
-

commands.c

@@ -1,4 +1,4 @@
-void (*commands[256])(char *, char **) = {
+void (*commands[256])(char *) = {
 NULL,
 ['O'] = c_open,
 ['w'] = c_writeline,
@@ -15,4 +15,3 @@ NULL,
 
 
 
-

efn.c

@@ -9,14 +9,15 @@
 #include "main.c"
 
 #include "c_quit.c"
+#include "c_open.c"
 
-#include "c_file.c"
-
-#include "buffer.c"
-
+#include "b_truncate.c"
 #include "c_print.c"
+#include "b_insert.c"
 #include "c_writeline.c"
+#include "b_getline.c"
 
+#include "c_save.c"
 #include "c_insertline.c"
 #include "c_indent.c"
 #include "c_delete.c"
@@ -25,5 +26,3 @@
 #include "commands.c"
 
 
-
-

efn.h

@@ -1,18 +1,22 @@
 #include <stdlib.h>
 #include "globals.h"
 
-/*
 extern void (*commands[256])(char *);
-*/
 
+void c_quit(char *);
 
+void c_open(char *);
 #include <string.h>
 void b_truncate(Row *);
+void c_print(char *);
 Row *b_insert(Row *);
 Row *b_getline(Row *, int);
-
-extern void (*commands[256])(char *, char **);
-
+void c_writeline(char *);
+void c_save(char*);
+void c_insertline(char *);
+void c_indent(char *);
+void c_unindent(char *);
+void c_delete(char *);
 
 
 

main.c

@@ -1,4 +1,4 @@
-char **
+void
 parse_command(char *input) {
 	static char com[COM_BUF_SIZE];
 	memcpy(com, input, COM_BUF_SIZE);
@@ -15,7 +15,10 @@ parse_command(char *input) {
 		com[i] = '\0';
 		next_start++;
 	}
-	return &starts[0];
+
+	for (int i = 0; starts[i] != NULL; i++) {
+		puts(starts[i]);
+	}
 }
 
 int
@@ -29,11 +32,10 @@ main(int argc, char **argv) {
                         if (buf[i] == '\n')    
                                 buf[i] = '\0';
 		if (com != NULL) {
-			if (commands[com[0]] != NULL) commands[com[0]](buf, parse_command(com));
+                        if (commands[com[0]] != NULL) commands[com[0]](buf);
                         else puts("invalid command.");
                 }
         }
         return 0;
 }
 
-