checkpassword ... as downloaded

1 files changed, 16 insertions, 0 deletions

diff --git a/checkpasswd/buffer_copy.c b/checkpasswd/buffer_copy.c
new file mode 100644
index 0000000..dc4d4b1
--- /dev/null
+++ b/checkpasswd/buffer_copy.c
@@ -0,0 +1,16 @@
+#include "buffer.h"
+
+int buffer_copy(buffer *bout,buffer *bin)
+{
+  int n;
+  char *x;
+
+  for (;;) {
+    n = buffer_feed(bin);
+    if (n < 0) return -2;
+    if (!n) return 0;
+    x = buffer_PEEK(bin);
+    if (buffer_put(bout,x,n) == -1) return -3;
+    buffer_SEEK(bin,n);
+  }
+}