move some decoding functions right into the str module, with a bit more

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

diff --git a/lib-lib/str.c b/lib-lib/str.c
index ca0aff7..6bdc25c 100644 (file)
--- a/lib-lib/str.c
+++ b/lib-lib/str.c
@@ -17,4 +17,57 @@
  *  Copyright © 2006 Pierre Habouzit
  */
 
+#include "macros.h"
 #include "str.h"
+
+#define XX 255
+unsigned char const __m_strdigits[128] = {
+    XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX,
+    XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX,
+    XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX,
+     0,  1,  2,  3,  4,  5,  6,  7,  8,  9, XX, XX, XX, XX, XX, XX,
+    XX, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
+    25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, XX, XX, XX, XX, XX,
+    XX, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
+    25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, XX, XX, XX, XX, XX,
+};
+#undef XX
+
+#define XX -1
+signed char const __m_b64digits[128] = {
+    XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX,
+    XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX,
+    XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, 62, XX, XX, XX, 63,
+    52, 53, 54, 55, 56, 57, 58, 59, 60, 61, XX, XX, XX, XX, XX, XX,
+    XX,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14,
+    15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, XX, XX, XX, XX, XX,
+    XX, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
+    41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, XX, XX, XX, XX, XX
+};
+#undef XX
+
+ssize_t m_strcpy(char *dst, ssize_t n, const char *src)
+{
+    ssize_t len = m_strlen(src);
+
+    if (dst && n > 0) {
+        ssize_t dlen = MIN(n - 1, len);
+        memcpy(dst, src, dlen);
+        dst[dlen] = '\0';
+    }
+
+    return len;
+}
+
+ssize_t m_strncpy(char *dst, ssize_t n, const char *src, ssize_t l)
+{
+    ssize_t len = MIN(m_strlen(src), l);
+
+    if (dst && n > 0) {
+        ssize_t dlen = MIN(n - 1, len);
+        memcpy(dst, src, dlen);
+        dst[dlen] = '\0';
+    }
+
+    return len;
+}