From a123725a12e948d78badb2cb686d38548f1c633b Mon Sep 17 00:00:00 2001
From: Albert Cervin <albert@acervin.com>
Date: Thu, 6 Apr 2023 23:23:46 +0200
Subject: Implement window handling

Also implement searching.

fix undo boundaries

when it checked for other save point, it used && instead of == which
caused it to overwrite other types.

Fix bytes vs chars bug in text_get_region
---
 src/dged/buffers.c | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 src/dged/buffers.c

(limited to 'src/dged/buffers.c')

diff --git a/src/dged/buffers.c b/src/dged/buffers.c
new file mode 100644
index 0000000..38b51b7
--- /dev/null
+++ b/src/dged/buffers.c
@@ -0,0 +1,43 @@
+#include "buffers.h"
+#include "buffer.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+void buffers_init(struct buffers *buffers, uint32_t initial_capacity) {
+  buffers->buffers = calloc(initial_capacity, sizeof(struct buffer));
+  buffers->nbuffers = 0;
+  buffers->capacity = initial_capacity;
+}
+
+struct buffer *buffers_add(struct buffers *buffers, struct buffer buffer) {
+  if (buffers->nbuffers == buffers->capacity) {
+    buffers->capacity *= 2;
+    buffers->buffers =
+        realloc(buffers->buffers, sizeof(struct buffer) * buffers->capacity);
+  }
+
+  buffers->buffers[buffers->nbuffers] = buffer;
+  ++buffers->nbuffers;
+
+  return &buffers->buffers[buffers->nbuffers - 1];
+}
+
+struct buffer *buffers_find(struct buffers *buffers, const char *name) {
+  for (uint32_t bufi = 0; bufi < buffers->nbuffers; ++bufi) {
+    if (strcmp(name, buffers->buffers[bufi].name) == 0) {
+      return &buffers->buffers[bufi];
+    }
+  }
+
+  return NULL;
+}
+
+void buffers_destroy(struct buffers *buffers) {
+  for (uint32_t bufi = 0; bufi < buffers->nbuffers; ++bufi) {
+    buffer_destroy(&buffers->buffers[bufi]);
+  }
+
+  buffers->nbuffers = 0;
+  free(buffers->buffers);
+}
-- 
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