From 64be24496e66ed26ed4d5af554a7fcef061d6e2d Mon Sep 17 00:00:00 2001
From: bx <bx@tilde.town>
Date: Sat, 2 Apr 2022 14:58:16 +0000
Subject: [PATCH] can now save to file

---
 c_save.c   | 17 +++++++++++++++++
 commands.c |  1 +
 efn.c      |  1 +
 efn.h      |  1 +
 4 files changed, 20 insertions(+)
 create mode 100644 c_save.c

diff --git a/c_save.c b/c_save.c
new file mode 100644
index 0000000..3f978cd
--- /dev/null
+++ b/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;
+        }
+}
+
diff --git a/commands.c b/commands.c
index b766b39..968b80a 100644
--- a/commands.c
+++ b/commands.c
@@ -6,3 +6,4 @@ NULL,
 ['w'] = c_writeline,
 ['q'] = NULL,
 ['Q'] = c_quit,
+['S'] = c_save,
diff --git a/efn.c b/efn.c
index 07c18d9..d499431 100644
--- a/efn.c
+++ b/efn.c
@@ -20,3 +20,4 @@
 #include "c_writeline.c"
 #include "b_getline.c"
 
+#include "c_save.c"
diff --git a/efn.h b/efn.h
index a00a2e6..e118c15 100644
--- a/efn.h
+++ b/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*);