add more encoding arrays

[apps/madmutt.git] / lib-lib / str.h

diff --git a/lib-lib/str.h b/lib-lib/str.h
index 973e0be..29b8817 100644 (file)
--- a/lib-lib/str.h
+++ b/lib-lib/str.h
@@ -33,7 +33,26 @@
 #define SHORT_STRING    128
 
 #define NONULL(x) (x?x:"")
-# define ISSPACE(c) isspace((unsigned char)c)
+#define ISSPACE(c) isspace((unsigned char)c)
+
+extern unsigned char const __m_strdigits[128];
+extern signed char const __m_b64digits[128];
+extern char const __m_b64chars[64];
+
+extern char const __m_b36chars_lower[36];
+extern char const __m_b36chars_upper[36];
+
+/****************************************************************************/
+/* char related                                                             */
+/****************************************************************************/
+
+static inline int hexval(int c) {
+    return !(c & ~127) && __m_strdigits[c] < 16 ? __m_strdigits[c] : -1;
+}
+
+static inline int base64val(int c) {
+    return (c & ~127) ? -1 : __m_b64digits[c];
+}
 
 /****************************************************************************/
 /* length related                                                           */