X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=base64.c;h=1453257b501ac87d79d0a2ffa7d5baa77a7d9998;hb=33cddbff323efcbae1503e91e6e65b2733da80c7;hp=03c6db44dde353c8baeefb7c776acf422ad723ce;hpb=3c25e877da7ba4a11e0c9bd5f65f8857cb8f272b;p=~andy%2Ffetchmail

diff --git a/base64.c b/base64.c
index 03c6db44..1453257b 100644
--- a/base64.c
+++ b/base64.c
@@ -25,11 +25,13 @@ static const char base64val[] = {
     BAD, 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,BAD, BAD,BAD,BAD,BAD
 };
-#define DECODE64(c)  (isascii(c) ? base64val[c] : BAD)
+#define DECODE64(c)  (isascii((unsigned char)(c)) ? base64val[c] : BAD)
 
-void to64frombits(unsigned char *out, const unsigned char *in, int inlen)
+void to64frombits(char *out, const void *in_, int inlen)
 /* raw bytes in quasi-big-endian order to base 64 string (NUL-terminated) */
 {
+    const unsigned char *in = (const unsigned char *)in_;
+
     for (; inlen >= 3; inlen -= 3)
     {
 	*out++ = base64digits[in[0] >> 2];
@@ -53,12 +55,13 @@ void to64frombits(unsigned char *out, const unsigned char *in, int inlen)
     *out = '\0';
 }
 
-int from64tobits(char *out, const char *in, int maxlen)
+int from64tobits(void *out_, const char *in, int maxlen)
 /* base 64 to raw bytes in quasi-big-endian order, returning count of bytes */
 /* maxlen limits output buffer size, set to zero to ignore */
 {
     int len = 0;
     register unsigned char digit1, digit2, digit3, digit4;
+    unsigned char *out = (unsigned char *)out_;
 
     if (in[0] == '+' && in[1] == ' ')
 	in += 2;