Added identifier to each check in test-mhlist to help diagnose

[nmh] / sbr / base64.c

diff --git a/sbr/base64.c b/sbr/base64.c
index c3045ab7b21db54e25f4be2382579d140781cdff..5ff9f53c4f91bdea08fdd868d74e8d588d9c0f6b 100644 (file)
--- a/sbr/base64.c
+++ b/sbr/base64.c
@@ -114,3 +114,49 @@ writeBase64 (unsigned char *in, size_t length, unsigned char *out)
 
     return OK;
 }
+
+/* 
+ * Essentially a duplicate of writeBase64, but without line wrapping or
+ * newline termination (note: string IS NUL terminated)
+ */
+
+int
+writeBase64raw (unsigned char *in, size_t length, unsigned char *out)
+{
+    while (1) {
+       unsigned long bits;
+       unsigned char *bp;
+       unsigned int cc;
+       for (cc = 0, bp = in; length > 0 && cc < 3; ++cc, ++bp, --length)
+          /* empty */ ;
+
+       if (cc == 0) {
+           break;
+       } else {
+           bits = (in[0] & 0xff) << 16;
+           if (cc > 1) {
+               bits |= (in[1] & 0xff) << 8;
+               if (cc > 2) {
+                   bits |= in[2] & 0xff;
+               }
+           }
+       }
+
+       for (bp = out + 4; bp > out; bits >>= 6)
+           *--bp = nib2b64[bits & 0x3f];
+       if (cc < 3) {
+           out[3] = '=';
+           if (cc < 2)
+               out[2] = '=';
+           out += 4;
+           break;
+       }
+
+       in += 3;
+       out += 4;
+    }
+
+    *out = '\0';
+
+    return OK;
+}