base64.h

   1 // converts src[0:slen] to base64 string
   2 char *base64_to(char *dst,const u8 *src,size_t slen);
   3 // calculates length needed to store data converted to base64
   4 #define BASE64_TO_LEN(l) ((((l) + 2) / 3) * 4)
   5 // converts src string from base64
   6 size_t base64_from(u8 *dst,const char *src,size_t slen);
   7 // calculates length needed to store data converted from base64
   8 #define BASE64_FROM_LEN(l) ((l) / 4 * 3)
   9 // validates base64 string and optionally stores length of valid data
  10 // returns 1 if whole string is good, 0 if string contains invalid data
  11 int base64_valid(const char *src,size_t *count);
  12 // aligns data length to something base64 can represent without padding
  13 #define BASE64_DATA_ALIGN(l) ((((l) + 2) / 3) * 3)