1 files changed, 29 insertions, 0 deletions
diff --git a/strstorage.c b/strstorage.c
new file mode 100644
index 0000000..3cc98b7
--- /dev/null
+++ b/strstorage.c
@@ -0,0 +1,29 @@
+#include <stdlib.h>
+#include "byte.h"
+#include "strstorage.h"
+
+#define PAGESIZE 4096
+
+const char* strstorage_add(const char* s,size_t n) {
+  static char* page=0;
+  static size_t leftonpage=0;
+  if (leftonpage>=n) {
+copyit:
+    byte_copy(page,n,s);
+    s=page;
+    page+=n;
+    leftonpage-=n;
+  } else {
+    if (n>=PAGESIZE/2) {
+      char* tmp=malloc(n);
+      if (!tmp) return 0;
+      byte_copy(tmp,n,s);
+      s=tmp;
+    } else {
+      if (!(page=malloc(PAGESIZE))) return 0;
+      leftonpage=PAGESIZE;
+      goto copyit;
+    }
+  }
+  return s;
+}