bulk upload of source

1 files changed, 11 insertions, 0 deletions

diff --git a/djb/byte_diff.c b/djb/byte_diff.c
new file mode 100644
index 0000000..6ad0a13
--- /dev/null
+++ b/djb/byte_diff.c
@@ -0,0 +1,11 @@
+int byte_diff(const void* a, unsigned int len, const void* b) /*EXTRACT_INCL*/ {
+  char *x=(char *)a;
+  char *y=(char *)b;
+  unsigned int u=0;
+  char ch=0;
+  for (; u<len; u++) {
+    ch = x[u] - y[u];
+    if (ch) break;
+  }
+  return ch;
+}