Last time I'm writing this damn program

1 files changed, 28 insertions, 0 deletions

diff --git a/hexbin.c b/hexbin.c
new file mode 100644
index 0000000..d312438
--- /dev/null
+++ b/hexbin.c
@@ -0,0 +1,28 @@
+/*
+ * hexbin.c
+ *
+ * This program takes no arguments, it simply interprets its input as hex
+ * and outputs bytes.
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+
+int main()
+{
+    uint8_t b;
+    char ip[3] = {0};
+
+    while (1)
+    {
+        fread(ip, 1, 2, stdin);
+
+        if (feof(stdin))
+            break;
+
+        sscanf(ip, "%hhx", &b);
+        fwrite(&b, 1, 1, stdout);
+    }
+
+    return 0;
+}