graphics!

1 files changed, 33 insertions, 0 deletions

diff --git a/src/user/libfont/filist.c b/src/user/libfont/filist.c
new file mode 100644
index 0000000..ae24429
--- /dev/null
+++ b/src/user/libfont/filist.c
@@ -0,0 +1,33 @@
+#include <libfont/fonts.h>
+#include <knob/block.h>
+#include <knob/heap.h>
+
+struct dict_entry {
+  char *name;
+  struct font_info *fi;
+  struct dict_entry *prev;
+} *last_entry = 0;
+
+__attribute__ ((pure))
+struct font_info *find_entry(const char *name) {
+  for (struct dict_entry *i = last_entry; i; i = i->prev)
+    if (strequ(i->name, name))
+      return i->fi;
+  return 0;
+}
+
+struct font_info *new_entry(const char *name) {
+  struct dict_entry *const nde = get_block(sizeof(struct dict_entry));
+  nde->name = strdup(name);
+  nde->fi = get_block(sizeof(struct font_info));
+  nde->prev = last_entry;
+  last_entry = nde;
+  return nde->fi;
+}
+
+void del_last() {//only called when last_entry isn't 0
+  free_block(last_entry->name);
+  free_block(last_entry->fi);
+  free_block(last_entry);
+  last_entry = last_entry->prev;
+}
\ No newline at end of file