simplify block_try function.

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

diff --git a/lib-lib/str.h b/lib-lib/str.h
index 973e0be..55a89b9 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                                                           */
@@ -81,6 +100,11 @@ static inline char *m_strdup(const char *s) {
     return len ? p_dup(s, len + 1) : NULL;
 }
 
+static inline char *m_strreplace(char **p, const char *s) {
+    p_delete(p);
+    return (*p = m_strdup(s));
+}
+
 ssize_t m_strcpy(char *dst, ssize_t n, const char *src);
 ssize_t m_strncpy(char *dst, ssize_t n, const char *src, ssize_t l);