FS-2746 --resolve large xmlrpc update thanks garmt

libs/xmlrpc-c/lib/libutil/base64.c

@@ -0,0 +1,49 @@
+#include <string.h>
+
+#include "int.h"
+#include "xmlrpc-c/base64_int.h"
+
+
+
+void
+xmlrpc_base64Encode(const char * const chars,
+                    char *       const base64) {
+
+    /* Conversion table. */
+    static char tbl[64] = {
+        'A','B','C','D','E','F','G','H',
+        'I','J','K','L','M','N','O','P',
+        'Q','R','S','T','U','V','W','X',
+        'Y','Z','a','b','c','d','e','f',
+        'g','h','i','j','k','l','m','n',
+        'o','p','q','r','s','t','u','v',
+        'w','x','y','z','0','1','2','3',
+        '4','5','6','7','8','9','+','/'
+    };
+
+    unsigned int i;
+    uint32_t length;
+    char * p;
+    const char * s;
+    
+    length = strlen(chars);  /* initial value */
+    s = &chars[0];  /* initial value */
+    p = &base64[0];  /* initial value */
+    /* Transform the 3x8 bits to 4x6 bits, as required by base64. */
+    for (i = 0; i < length; i += 3) {
+        *p++ = tbl[s[0] >> 2];
+        *p++ = tbl[((s[0] & 3) << 4) + (s[1] >> 4)];
+        *p++ = tbl[((s[1] & 0xf) << 2) + (s[2] >> 6)];
+        *p++ = tbl[s[2] & 0x3f];
+        s += 3;
+    }
+    
+    /* Pad the result if necessary... */
+    if (i == length + 1)
+        *(p - 1) = '=';
+    else if (i == length + 2)
+        *(p - 1) = *(p - 2) = '=';
+    
+    /* ...and zero-terminate it. */
+    *p = '\0';
+}