X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/2e04b8ea0e57e411665aa6a8814ff65db0d4cd2b..d7440db1907ae920928843275dcf260934ce5acb:/h/prototypes.h

diff --git a/h/prototypes.h b/h/prototypes.h
index a5091591..c9dd291e 100644
--- a/h/prototypes.h
+++ b/h/prototypes.h
@@ -451,12 +451,16 @@ int sc_length(void);
 int sc_width(void);
 int build_form (char *, char *, int *, char *, char *, char *, char *,
 		char *, char *);
-int sendsbr (char **, int, char *, char *, struct stat *, int);
+int sendsbr (char **, int, char *, char *, struct stat *, int, const char *);
 int SOprintf (char *, ...);
 int what_now (char *, int, int, char *, char *,
 	int, struct msgs *, char *, int, char *, int);
 int WhatNow(int, char **);
 
+/* Includes trailing NUL */
+
+#define BASE64SIZE(x) ((((x + 2) / 3) * 4) + 1)
+
 /*
  * Copy data from one file to another, converting to base64-encoding.
  *
@@ -470,8 +474,19 @@ int WhatNow(int, char **);
  */
 int writeBase64aux(FILE *in, FILE *out, int crlf);
 
-int writeBase64 (unsigned char *, size_t, unsigned char *);
-int writeBase64raw (unsigned char *, size_t, unsigned char *);
+int writeBase64 (const unsigned char *, size_t, unsigned char *);
+int writeBase64raw (const unsigned char *, size_t, unsigned char *);
+
+/*
+ * first argument:  the string to be decoded
+ * second argument:  the decoded bytes
+ * third argument:  number of decoded bytes
+ * fourth argument:   non-zero for text content, and for which CR's should be skipped
+ * fifth argument:  for an MD5 digest, it can be null
+ */
+int decodeBase64 (const char *, const char **, size_t *, int, unsigned char *);
+
+void hexify (const unsigned char *, size_t, char **);
 
 /*
  * credentials management