X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/f345b9b480296b4b6a8469d6221752893c5d1420..3b2ca65d6c8ffd443caa93bf89b0f9b61d9a4919:/h/prototypes.h

diff --git a/h/prototypes.h b/h/prototypes.h
index 4efd1c54..f06322b5 100644
--- a/h/prototypes.h
+++ b/h/prototypes.h
@@ -167,7 +167,9 @@ char **getarguments (char *, int, char **, int);
  */
 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);
 
@@ -315,12 +317,13 @@ int pidwait (pid_t, 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);
 char *pwd (void);
 char *r1bindex(char *, int);
-void readconfig (struct node **, FILE *, char *, int);
+void readconfig (struct node **, FILE *, const char *, int);
 int refile (char **, char *);
 void ruserpass (char *, char **, char **);
 int remdir (char *);
@@ -451,12 +454,16 @@ 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 +477,21 @@ 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 *);
+
+/*
+ * 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 *encoded, unsigned char **decoded, size_t *len,
+                  int skip_crs, unsigned char *digest);
+
+void hexify (const unsigned char *, size_t, char **);
 
 /*
  * credentials management
@@ -480,8 +500,18 @@ void init_credentials_file ();
 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);