*/
char *get_charset(void);
-char *getcpy (const char *);
+/* Return malloc'd copy of str, or of "" if NULL, exit on failure. */
+char *getcpy(const char *str);
+
char *get_default_editor(void);
char *getfolder(int);
int pidstatus (int, FILE *, char *);
char *pluspath(char *);
void print_help (char *, struct swit *, int);
+void print_intro (FILE *, int);
void print_sw (const char *, const struct swit *, char *, FILE *);
void print_version (char *);
void push (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.
*
*/
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: non-zero for text content, and for which CR's should be skipped
- * fourth argument: for an MD5 digest, it can be null
+ * encoded - the string to be decoded
+ * decoded - the decoded bytes
+ * len - number of decoded bytes
+ * skip-crs - non-zero for text content, and for which CR's should be
+ * skipped
+ * digest - for an MD5 digest, it can be null
*/
-int decodeBase64 (const char *, const char **, size_t *, int, unsigned char *);
+int decodeBase64 (const char *encoded, unsigned char **decoded, size_t *len,
+ int skip_crs, unsigned char *digest);
+
+void hexify (const unsigned char *, size_t, char **);
/*
* credentials management
int nmh_get_credentials (char *, char *, int, nmh_creds_t);
/*
- * temporary file management
+ * program initialization
+ *
+ * argv0 - argv[0], presumably the program name
+ * read_context - 0: don't read context
+ * - 1: read context, check nmh version, and issue warning message
+ * if non-existent or old
+ * - 2: read context, don't check nmh version
*/
int nmh_init(const char *argv0, int read_context);
+
+/*
+ * temporary file management
+ */
int m_unlink(const char *);
void unregister_for_removal(int remove_files);