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-rw-r--r--extlibs/b64.h68
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diff --git a/extlibs/b64.h b/extlibs/b64.h
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+
+/**
+ * `b64.h' - b64
+ *
+ * copyright (c) 2014 joseph werle
+ */
+
+#ifndef __B64_H
+#define __B64_H 1
+
+/**
+ * Memory allocation functions to use. You can define b64_malloc and
+ * b64_realloc to custom functions if you want.
+ */
+
+#ifndef b64_malloc
+# define b64_malloc(ptr) malloc(ptr)
+#endif
+#ifndef b64_realloc
+# define b64_realloc(ptr, size) realloc(ptr, size)
+#endif
+
+/**
+ * Base64 index table.
+ */
+
+static const char b64_table[] = {
+ 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H',
+ 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P',
+ 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X',
+ 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f',
+ 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
+ 'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
+ 'w', 'x', 'y', 'z', '0', '1', '2', '3',
+ '4', '5', '6', '7', '8', '9', '+', '/'
+};
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Encode `unsigned char *' source with `size_t' size.
+ * Returns a `char *' base64 encoded string.
+ */
+
+char *
+b64_encode (const unsigned char *, size_t);
+
+/**
+ * Dencode `char *' source with `size_t' size.
+ * Returns a `unsigned char *' base64 decoded string.
+ */
+unsigned char *
+b64_decode (const char *, size_t);
+
+/**
+ * Dencode `char *' source with `size_t' size.
+ * Returns a `unsigned char *' base64 decoded string + size of decoded string.
+ */
+unsigned char *
+b64_decode_ex (const char *, size_t, size_t *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif