First commit wtf8(1), tiny UTF-8 inspector

Just committing this first as I know it works, will make it a bit nicer
now.

3 files changed, 36 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..1e7524a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/wtf8
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..d72eba5
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,9 @@
+.PHONY: all clean
+
+CC = clang
+CFLAGS = -std=c99 -Weverything -Wno-padded
+
+all : wtf8
+
+clean :
+	rm -f wtf8
diff --git a/wtf8.c b/wtf8.c
new file mode 100644
index 0000000..b073927
--- /dev/null
+++ b/wtf8.c
@@ -0,0 +1,26 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(int argc, char **argv) {
+    char *p;
+    int c;
+
+    if (argc != 2)
+        exit(EXIT_FAILURE);
+
+    for (p = argv[1]; *p; p++)
+        printf("%02x ", (unsigned char) *p);
+    putchar('\n');
+
+    for (p = argv[1]; *p; ) {
+        for (c = 1; p[c] && (p[c] & 0xC0) == 0x80; c++)
+            printf("   ");
+        putchar(' ');
+        for (; c > 0; c--)
+            putchar(*p++);
+        putchar(' ');
+    }
+    putchar('\n');
+
+    exit(EXIT_SUCCESS);
+}